[INFO] cloning repository https://github.com/emmgame221/teenyat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emmgame221/teenyat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmgame221%2Fteenyat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmgame221%2Fteenyat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb73c5d5f775b2cf38ec425254494f78c05353f1
[INFO] building emmgame221/teenyat against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmgame221%2Fteenyat" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emmgame221/teenyat on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emmgame221/teenyat
[INFO] finished tweaking git repo https://github.com/emmgame221/teenyat
[INFO] tweaked toml for git repo https://github.com/emmgame221/teenyat written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/emmgame221/teenyat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8817fe2e719fb6b947cba79db740987483df2e2fbda4afcb55356e1aefd95ef6
[INFO] running `Command { std: "docker" "start" "-a" "8817fe2e719fb6b947cba79db740987483df2e2fbda4afcb55356e1aefd95ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8817fe2e719fb6b947cba79db740987483df2e2fbda4afcb55356e1aefd95ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8817fe2e719fb6b947cba79db740987483df2e2fbda4afcb55356e1aefd95ef6", kill_on_drop: false }`
[INFO] [stdout] 8817fe2e719fb6b947cba79db740987483df2e2fbda4afcb55356e1aefd95ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f0e0528145ca6a8f8fa4746c5ee0a93b5776bd1225c17cf2f03f4e71e9754be
[INFO] running `Command { std: "docker" "start" "-a" "2f0e0528145ca6a8f8fa4746c5ee0a93b5776bd1225c17cf2f03f4e71e9754be", kill_on_drop: false }`
[INFO] [stderr]    Compiling teenyat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Ax`, `Bx`, `Cx`, `Dx`, `Ex`, and `Fx` are never constructed
[INFO] [stdout]    --> src/arch.rs:263:5
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub enum RegMnem {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 263 |     Ax,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 264 |     R2,
[INFO] [stdout] 265 |     Bx,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 266 |     R3,
[INFO] [stdout] 267 |     Cx,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 268 |     R4,
[INFO] [stdout] 269 |     Dx,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 270 |     R5,
[INFO] [stdout] 271 |     Ex,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 272 |     R6,
[INFO] [stdout] 273 |     Fx,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RegMnem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "2f0e0528145ca6a8f8fa4746c5ee0a93b5776bd1225c17cf2f03f4e71e9754be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0e0528145ca6a8f8fa4746c5ee0a93b5776bd1225c17cf2f03f4e71e9754be", kill_on_drop: false }`
[INFO] [stdout] 2f0e0528145ca6a8f8fa4746c5ee0a93b5776bd1225c17cf2f03f4e71e9754be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6964c8e330a4360a6559c726532e7d186a06b75fe11b3e66fa81c00b454ebea8
[INFO] running `Command { std: "docker" "start" "-a" "6964c8e330a4360a6559c726532e7d186a06b75fe11b3e66fa81c00b454ebea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling teenyat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Ax`, `Bx`, `Cx`, `Dx`, `Ex`, and `Fx` are never constructed
[INFO] [stdout]    --> src/arch.rs:263:5
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub enum RegMnem {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 263 |     Ax,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 264 |     R2,
[INFO] [stdout] 265 |     Bx,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 266 |     R3,
[INFO] [stdout] 267 |     Cx,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 268 |     R4,
[INFO] [stdout] 269 |     Dx,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 270 |     R5,
[INFO] [stdout] 271 |     Ex,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 272 |     R6,
[INFO] [stdout] 273 |     Fx,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RegMnem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "6964c8e330a4360a6559c726532e7d186a06b75fe11b3e66fa81c00b454ebea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6964c8e330a4360a6559c726532e7d186a06b75fe11b3e66fa81c00b454ebea8", kill_on_drop: false }`
[INFO] [stdout] 6964c8e330a4360a6559c726532e7d186a06b75fe11b3e66fa81c00b454ebea8