Since the latest update today, I get these, by doing seemingly random things:

• mining a certain block
• mining a gold block in an ocean monument
• opening a certain chest
• breaking the same chest:

(not really sure how to format this usefully; also I added worldedit here, but the same happens without)
`---- Minecraft Crash Report ----

Time: 8/7/20 7:17 PM
Description: Exception in server tick loop

org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:364)
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:191)
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:178)
at org.spongepowered.asm.mixin.transformer.FabricMixinTransformerProxy.transformClassBytes(FabricMixinTransformerProxy.java:23)
at net.fabricmc.loader.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:157)
at net.fabricmc.loader.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:143)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at net.minecraft.class_2248.method_9576(class_2248.java:469)
at net.minecraft.class_3225.method_14266(class_3225.java:248)
at net.minecraft.class_3225.method_21717(class_3225.java:222)
at net.minecraft.class_3225.method_14263(class_3225.java:197)
at net.minecraft.class_3244.method_12066(class_3244.java:944)
at net.minecraft.class_2846.method_12361(class_2846.java:40)
at net.minecraft.class_2846.method_11054(class_2846.java:10)
at net.minecraft.class_2600.method_11072(class_2600.java:21)
at net.minecraft.class_3738.run(class_3738.java:18)
at net.minecraft.class_1255.method_18859(class_1255.java:144)
at net.minecraft.class_4093.method_18859(class_4093.java:23)
at net.minecraft.server.MinecraftServer.method_24306(MinecraftServer.java:763)
at net.minecraft.server.MinecraftServer.method_18859(MinecraftServer.java:154)
at net.minecraft.class_1255.method_16075(class_1255.java:118)
at net.minecraft.server.MinecraftServer.method_20415(MinecraftServer.java:745)
at net.minecraft.server.MinecraftServer.method_16075(MinecraftServer.java:739)
at net.minecraft.class_1255.method_18857(class_1255.java:127)
at net.minecraft.server.MinecraftServer.method_16208(MinecraftServer.java:724)
at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:676)
at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:256)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [astromine.mixins.json:PiglinBrainMixin] from phase [DEFAULT] in config [astromine.mixins.json] FAILED during APPLY
at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinError(MixinProcessor.java:643)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinApplyError(MixinProcessor.java:595)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:356)
... 27 more
Caused by: org.spongepowered.asm.mixin.injection.throwables.InvalidInjectionException: @at("INVOKE_ASSIGN") on net/minecraft/class_4838::wearsGoldArmorInject with priority 1000 cannot inject into net/minecraft/class_4838::method_24719(Lnet/minecraft/class_1309;)Z merged by net.piglintag.mixin.PiglinBrainMixin with priority 1000 [PREINJECT Applicator Phase -> astromine.mixins.json:PiglinBrainMixin -> Prepare Injections -> -> handler$zkh000$wearsGoldArmorInject(Lnet/minecraft/class_1309;Lorg/spongepowered/asm/mixin/injection/callback/CallbackInfoReturnable;Ljava/lang/Iterable;Ljava/util/Iterator;Lnet/minecraft/class_1799;Lnet/minecraft/class_1792;)V -> Prepare]
at org.spongepowered.asm.mixin.injection.code.Injector.findTargetNodes(Injector.java:293)
at org.spongepowered.asm.mixin.injection.code.Injector.find(Injector.java:240)
at org.spongepowered.asm.mixin.injection.struct.InjectionInfo.prepare(InjectionInfo.java:367)
at org.spongepowered.asm.mixin.transformer.MixinTargetContext.prepareInjections(MixinTargetContext.java:1244)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.prepareInjections(MixinApplicatorStandard.java:1033)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:388)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:320)
at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:345)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:570)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:351)
... 27 more

A detailed walkthrough of the error, its code path and all known details is as follows:

-- System Details --
Details:
Minecraft Version: 1.16.1
Minecraft Version ID: 1.16.1
Operating System: Linux (amd64) version 5.7.12
Java Version: 1.8.0_252, Debian
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Debian
Memory: 2206373216 bytes (2104 MB) / 3867672576 bytes (3688 MB) up to 7635730432 bytes (7282 MB)
CPUs: 8
JVM Flags: 2 total; -Xms512m -Xmx8192m
Fabric Mods:
adabraniummod: Adabranium Mod 1.1.5.1
adorn: Adorn 1.10.0+1.16.1
advancements-enlarger: Advancements Enlarger 0.2.2
adventurez: AdventureZ 1.0.7
amecsapi: Amecs API 1.0.2+1.16-rc1
angerable-patch: Angerable Patch 1.0.0-1.16.1
appleskin: AppleSkin 1.0.11
artifice: Artifice 0.8.0+1.16-rc1
astromine: Astromine 1.5.2
autoconfig1u: Auto Config v1 Updated 3.2.0-unstable
bambootweaks: Bamboo Tweaks unspecified
bebooks: Better Enchanted Books 1.1.1
bedspreads: Bedspreads 1.0.0-1.16.1
bettergraves: Better Graves 0.3.0
blockus: Blockus 1.6.2
blue_endless_jankson: jankson +
boringbackgrounds: Boring Backgrounds 2.1.0-1.16.pre3
bunch-o-trinkets: Bunch O' Trinkets 1.0.1
campanion: Campanion 1.1.13+build.35
cardinal-components: Cardinal Components API 2.4.2
cardinal-components-base: Cardinal Components API (base) 2.4.2
cardinal-components-block: Cardinal Components API (blocks) 2.4.2
cardinal-components-chunk: Cardinal Components API (chunks) 2.4.2
cardinal-components-entity: Cardinal Components API (entities) 2.4.2
cardinal-components-item: Cardinal Components API (items) 2.4.2
cardinal-components-level: Cardinal Components API (world saves) 2.4.2
cardinal-components-util: Cardinal Components API (utilities) 2.4.2
cardinal-components-world: Cardinal Components API (worlds) 2.4.2
cavebiomes: Cave Biomes 0.2.4
chainmail: Chainmail 0.3.0
cherishedworlds: Cherished Worlds 1.0.1-1.16.1
chunkpregen: Fabric Chunk Pregenerator 0.2.2
cinderscapes: Cinderscapes 1.0.7+build.43-1.16.1
cleancut: CleanCut mc1.16-2.1-fabric
cloth-api: Cloth API 1.0.7
cloth-armor-api-v1: Cloth Armor API v1 1.0.7
cloth-basic-math: Cloth Basic Math 0.5.1
cloth-client-events-v0: Cloth Client Events v0 1.0.7
cloth-common-events-v1: Cloth Common Events v1 1.0.7
cloth-config2: Cloth Config v4 4.6.0
cloth-durability-bar-api-v1: Cloth Durability Bar API v1 1.0.7
cloth-scissors-api-v1: Cloth Scissors API v1 1.0.7
cloth-utils-v1: Cloth Utils v1 1.0.7
coderecipes: Programmatic Recipes 0.3.1
com_moandjiezana_toml_toml4j: toml4j 0.7.2
compactstatuseffects: Compact Status Effects 1.2.0
compressedblocks: Compressed Blocks 1.0
controlling: Controlling For Fabric 1.1.2
cotton: Cotton 1.0.5
cotton-cauldron: Cotton Cauldron 1.0.4
cotton-commons: Cotton Commons 1.0.4
cotton-config: Cotton Config 1.0.0-rc.7
cotton-datapack: Cotton Datapack 1.0.5
cotton-logging: Cotton Logging 1.0.0-rc.4
cotton-player-events: Cotton Player Events 1.0.2
couplings: Couplings 1.3.1
craftable_utilities: Craftable Utilities 1.0.1
craftpresence: CraftPresence 1.6.6
creativebuttonmover: Creative Button Mover 0.2.5
crookedcrooks: Crooked Crooks 1.2.1+1.16.1
crusade: Crudade Mod 1.1.2
dankstorage: Dank Storage 1.1c_1.16.1
diggusmaximus: Diggus Maximus 1.3.0-1.16
dishes: Delicious Dishes 1.0.3
dml-refabricated: Deep Mob Learning: Refabricated 0.2.0-beta1
dynamicfps: Dynamic FPS 1.1.4
dynocaps: DynoCaps 1.1.1
ecotones: Ecotones 0.5.1
eggtab: Egg Tab 1.2.0+1.16-fabric
endreborn: End: Rebellion 1.6
expandedstorage: ExpandedStorage 5.3.16
experimentaway: ExperimentAway 1.0.0
ezpas: Ezpas 1.0.4
fabric: Fabric API 0.16.2+build.385-1.16.1
fabric-api-base: Fabric API Base 0.1.3+12a8474cb0
fabric-biomes-v1: Fabric Biomes (v1) 0.2.7+059ea86602
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.4+c6a8ea8902
fabric-command-api-v1: Fabric Command API (v1) 1.0.8+5ce5339802
fabric-commands-v0: Fabric Commands (v0) 0.2.0+52d3083602
fabric-containers-v0: Fabric Containers (v0) 0.1.8+045df74f02
fabric-content-registries-v0: Fabric Content Registries (v0) 0.1.9+059ea86602
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.2+b7f9825d02
fabric-diagonal-panes: Fabric Diagonal Panes 0.3.0
fabric-dimensions-v1: fabric-dimensions-v1 1.0.0+a71b305302
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.3.3+7066030fb0
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.0+16acbe5b02
fabric-furnaces: Fabric Furnaces 1.3.1-1.16.1
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.0+fe81e12502
fabric-item-api-v1: Fabric Item API (v1) 1.0.0+16acbe5b02
fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.0+438f963602
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.1+f404f3be02
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.0+3fa9f7c5b0
fabric-language-kotlin: Fabric Language Kotlin 1.3.71+build.1
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.2.0+e83e061c02
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.0+386eb69e02
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.2+b764ce9902
fabric-models-v0: Fabric Models (v0) 0.1.0+dfdb52d602
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.5+b50ffc7b02
fabric-networking-v0: Fabric Networking (v0) 0.1.10+e00ecb5f02
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.5.6+a2d21ddd02
fabric-object-builders-v0: Fabric Object Builders (v0) 0.6.1+a2d21ddd02
fabric-particles-v1: fabric-particles-v1 0.2.1+0a6f2a7002
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.3.8+7dba2d6c02
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.2.13+eae12eb802
fabric-renderer-indigo: Fabric Renderer - Indigo 0.3.4+34d6c87102
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.0.1+5a0f9a6002
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.3+b7f9825d02
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.8+b7084faa02
fabric-rendering-v0: Fabric Rendering (v0) 1.1.0+5341049002
fabric-rendering-v1: Fabric Rendering (v1) 1.1.2+346247d702
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.2.6+f41e209802
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.0+97324d1102
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 0.2.7+a4c57d8e02
fabric-textures-v0: Fabric Textures (v0) 1.0.4+eae12eb802
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.0+55e0cc5f02
fabricloader: Fabric Loader 0.9.0+build.204
fatxporbs: Fat Experience Orbs 0.0.7
fermion: Fermion 2.1.191
fermion-modkeys: Fermion Modifier Keys 1.8.180-snapshot
fiber: fiber 0.23.0-1
flesh2leather: Flesh2Leather 1.0.0
flonters: Flonters 1.1.0+1.16.1
flora-doubling: Flora Doubling 1.1.2
gameinfo: GameInfo 2.0.0a-experimental-06 1.16.1
givemehats: Give Me Hats! 1.2.8
glassdoor: Glass Doors 1.4.4-1.16
glassential: Glassential 1.16.1-1.1.4
golemsgalore: Golems Galore 0.1.4+mc.1.16.1
hard-hat-steve: Hard Hat Steve 1.1.1
harvest: Harvest 1.2.12
healthoverlay: Health Overlay 3.6.12
horseinfo: Horse Info 0.2.2-1.16.1
iknowwhatimdoing: I Know What I'm Doing 3.0.0
improved-stations: Improved Stations 2.0.2-unstable
indrev: Industrial Revolution 1.4.9-BETA
inmis: Inmis 1.2.0-1.16.1
intotheomega: Into the Omega 1.0.1-beta-1.16.1
inventorysorter: Inventory Sorter 1.7.0-1.16
iron-jetpacks: Iron Jetpacks 0.2.5
jankson: Jankson 3.0.0+j1.2.0
jumploader: Jumploader 2.0.1
jumpoverfences: JumpOverFences 1.16-0.0.3
kibe: Kibe 1.1.12-BETA
ktdatataglib: KtDataTagLib 1.3.4
kubejs: KubeJS 1.1.2
kyrptconfig: Kytpt Config 1.1.0-1.16
libblockattributes_core: LibBlockAttributes (Core) 0.7.1-pre.4
libblockattributes_fluids: LibBlockAttributes (Fluids) 0.7.1-pre.4
libblockattributes_items: LibBlockAttributes (Items) 0.7.1-pre.4
libcd: LibCapableData 2.5.0+1.16.1
libgui: LibGui 2.2.0+1.16.1
library_of_exile: Library of Exile 1.0.1
libstructure: Libstructure 1.3
lightoverlay: Light Overlay 5.4.1
linkart: Linkart unspecified
linkedstorage: Linked Storage 1.3.5-1.16
lithium: Lithium 0.5.1
magna: Magna 1.3.2-1.16.1
mambience: MAmbience 2.1.0-1.16
minecraft: Minecraft 1.16.1
mm: Manningham Mills 2.0
mo_glass: Mo Glass 1.3-MC1.16.1
modmenu: Mod Menu 1.14.5+build.30
moreberries: More Berries 1.3.1
morepaths: More Paths 0.0.2
mostructures: Mo' Structures 1.0.0-pre2+mc.1.16
mousewheelie: Mouse Wheelie 1.5.0+mc1.16.1
netheritehorsearmor: Netherite Horse Armor 0.4.0+1.16.1
ninjaphenix-container-lib: NinjaPhenix's Container Library 1.1.5
notes: Notes 1.0.1
okzoomer: Ok Zoomer 4.0.0-alpha.5+1.16.1
org_codehaus_groovy_groovy: groovy 3.0.3
org_codehaus_groovy_groovy-jsr223: groovy-jsr223 3.0.3
org_jetbrains_annotations: annotations 17.0.0
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 1.3.71
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 1.3.71
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 1.3.71
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 1.3.71
org_jetbrains_kotlinx_kotlinx-coroutines-core: kotlinx-coroutines-core 1.3.5
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.3.5
p3utils: P3NG00's Utilities 0.0.0
packages: Packages 1.0
parchment: Parchment 1.0.2+1.15.2
patchouli: Patchouli 1.16-39-FABRIC
phosphor: Phosphor 0.6.0+build.7
piglintag: PiglinTag 1.0.0
playerabilitylib: Pal 1.2.0
quickshulker: Quick Shulker 1.1.5-1.16
reach-entity-attributes: Reach Entity Attribute 1.0.1
reborncore: Reborn Core 4.3.4+build.64
repurposed_structures: Repurposed Structures 1.4.1
respawnablepets: Respawnable Pets 4
ringsofascension: Rings of Ascension 1.0.5
riverredux: River Redux 0.1.4
roughlyenoughitems: Roughly Enough Items 4.10.5
roughlyenoughresources: Roughly Enough Resources 2.0.2
sandwichable: Sandwichable 1.1.1-snapshot
secretrooms: Secret Rooms 0.9.1+1.16.1
shapes: Shapes 2.0.0+build.10
shulkerboxtooltip: Shulker Box Tootip 2.1.0+1.16.1
simpledrawers: Simple Drawers 1.8.0-1.16.1
simpleteleporters: Simple Teleporters 2.2.0
simplevoidworld: Simple Void World 4.0.0
simplexterrain: Simplex Terrain 0.6.5
slabhelper: Slab Helper 1.3.1
slight-gui-modifications: 'Slight' GUI Modifications 1.2.0
slotlink: slotlink 1.0.3+minecraft-1.16.1
smoothbedrock: Smooth Bedrock (Fabric) 1.2.3
soulbound: Soulbound 1.0.1
spinnery: Spinnery 3.1.13
staffofbuilding: Staff of Building 1.2.0-1.16
static-content: Static Content 1.0.0-1.16.1
staticdata: Static Data 1.1.2
step-height-entity-attribute: Step Height Entity Attribute 1.0.0
stonecutter-tweaks: Stonecutter Tweaks 1.1.0-1.16
structure-helpers: Structure Helpers 2.1.0
structurized: Structurized 1.0.0
survivalisland: Survival Island 0.1.5
tacocraft: TacoCraft 1.3.1+mc.1.16
team_reborn_energy: Energy 0.1.0
techreborn: Tech Reborn 3.4.5+build.88
terraform: Terraform 2.1.7+build.31
terrestria: Terrestria 2.0.4+build.50
trapexpansion: Trap Expansion 1.3.2
traverse: Traverse 2.2.14+build.28
trinkets: Trinkets 2.6.3
tweed: Tweed API 3.0.0-beta.9
universalcomponents: Universal Components 0.7.2+1.16-pre2
vanilla-hammers: Vanilla Hammers 2.0.3-1.16.1
vanillaexcavators: Vanilla Excavators 1.1.0
vanillaplusbiomes: Vanilla Plus Biomes 0.2.2
villagerhats: Villager Hats fabric-1.16-rc1-1.0.0
waila: Hwyla 1.9.22
winged: Winged Mod 1.16-1.2
wolveswitharmor: Wolves With Armor 1.5.1-1.16.1
woods_and_mires: Woods and Mires 1.0.0+1.16.1
worldedit: WorldEdit 7.2.0-beta-02+d10d7d6
wrenchable: Wrenchable 1.0.0+1.16.1
xaerominimap: Xaero's Minimap 20.19.0
xaeroworldmap: Xaero's World Map 1.9.0
Patchouli open book context: n/a
Player Count: 1 / 8; [class_3222['Seegras1'/198, l='ServerLevel[AOF3]', x=-52.53, y=77.00, z=69.66]]
Data Packs: vanilla (incompatible), fabric/crusade, fabric/iron-jetpacks, fabric/kibe (incompatible), fabric/adabraniummod, fabric/villagerhats, fabric/mo_glass, fabric/techreborn, fabric/improved-stations, fabric/fabric-tool-attribute-api-v1, fabric/blockus, fabric/hard-hat-steve (incompatible), fabric/trapexpansion, fabric/expandedstorage, fabric/dishes, fabric/golemsgalore, fabric/linkedstorage, fabric/simpleteleporters, fabric/simplevoidworld, fabric/campanion, fabric/sandwichable, fabric/ecotones, fabric/traverse, fabric/winged, fabric/inmis, linkedstorage:enderstorage, fabric/adorn, fabric/bunch-o-trinkets, fabric/flora-doubling, fabric/glassdoor, fabric/libcd, fabric/secretrooms, fabric/staffofbuilding, fabric/vanilla-hammers, fabric/wolveswitharmor, secretrooms:server_pack, fabric/astromine, fabric/bambootweaks, fabric/cinderscapes, fabric/cotton-commons, fabric/fabric-furnaces, fabric/flonters, fabric/glassential, fabric/harvest, fabric/linkart, fabric/moreberries, fabric/morepaths, fabric/mostructures, fabric/packages, fabric/simpledrawers, fabric/slotlink, fabric/tacocraft, fabric/terrestria, fabric/woods_and_mires, fabric/crookedcrooks, fabric/endreborn, fabric/flesh2leather, fabric/repurposed_structures, fabric/adventurez, fabric/compressedblocks, fabric/indrev, fabric/piglintag, fabric/respawnablepets, fabric/vanillaexcavators, fabric/dml-refabricated, fabric/ezpas, fabric/intotheomega, fabric/netheritehorsearmor, fabric/slabhelper, fabric/bedspreads, fabric/craftable_utilities (incompatible), fabric/dankstorage (incompatible), fabric/structure-helpers
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fabric'`

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