[INFO] cloning repository https://github.com/ln64-git/voxctl-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ln64-git/voxctl-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fln64-git%2Fvoxctl-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fln64-git%2Fvoxctl-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 264c4e724d6e2e1f13cad42ce91dfe48fa66a07f
[INFO] building ln64-git/voxctl-rust against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fln64-git%2Fvoxctl-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ln64-git/voxctl-rust 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/ln64-git/voxctl-rust
[INFO] finished tweaking git repo https://github.com/ln64-git/voxctl-rust
[INFO] tweaked toml for git repo https://github.com/ln64-git/voxctl-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ln64-git/voxctl-rust 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 }`
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[INFO] [stdout] b9edeb0d8a10ec9f7a31ab4a590266dd838a1c3ceeaf3baeaa16160620323183
[INFO] running `Command { std: "docker" "start" "-a" "b9edeb0d8a10ec9f7a31ab4a590266dd838a1c3ceeaf3baeaa16160620323183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9edeb0d8a10ec9f7a31ab4a590266dd838a1c3ceeaf3baeaa16160620323183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9edeb0d8a10ec9f7a31ab4a590266dd838a1c3ceeaf3baeaa16160620323183", kill_on_drop: false }`
[INFO] [stdout] b9edeb0d8a10ec9f7a31ab4a590266dd838a1c3ceeaf3baeaa16160620323183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b0222c48156d1483bc7740212ea8e0b8f71775c960c43b3af649f3e07d414298
[INFO] running `Command { std: "docker" "start" "-a" "b0222c48156d1483bc7740212ea8e0b8f71775c960c43b3af649f3e07d414298", kill_on_drop: false }`
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[INFO] [stderr]    Compiling voxctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_idle` is never read
[INFO] [stdout]   --> src/_utils/playback.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct PlaybackManager {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 27 |     pub command_queue: VecDeque<PlaybackCommand>,
[INFO] [stdout] 28 |     pub is_idle: AtomicBool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "b0222c48156d1483bc7740212ea8e0b8f71775c960c43b3af649f3e07d414298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0222c48156d1483bc7740212ea8e0b8f71775c960c43b3af649f3e07d414298", kill_on_drop: false }`
[INFO] [stdout] b0222c48156d1483bc7740212ea8e0b8f71775c960c43b3af649f3e07d414298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7d75159aee70e57c8570a0ec49def0352f87d93c738e951f0964422d57d0957b
[INFO] running `Command { std: "docker" "start" "-a" "7d75159aee70e57c8570a0ec49def0352f87d93c738e951f0964422d57d0957b", kill_on_drop: false }`
[INFO] [stderr]    Compiling voxctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_idle` is never read
[INFO] [stdout]   --> src/_utils/playback.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct PlaybackManager {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 27 |     pub command_queue: VecDeque<PlaybackCommand>,
[INFO] [stdout] 28 |     pub is_idle: AtomicBool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "7d75159aee70e57c8570a0ec49def0352f87d93c738e951f0964422d57d0957b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d75159aee70e57c8570a0ec49def0352f87d93c738e951f0964422d57d0957b", kill_on_drop: false }`
[INFO] [stdout] 7d75159aee70e57c8570a0ec49def0352f87d93c738e951f0964422d57d0957b