[INFO] cloning repository https://github.com/strawberry-labs/nano-work-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strawberry-labs/nano-work-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrawberry-labs%2Fnano-work-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrawberry-labs%2Fnano-work-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd0e6cb21081b622f3d16afb8fc88bc548e0f9b1
[INFO] checking strawberry-labs/nano-work-gen against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrawberry-labs%2Fnano-work-gen" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/strawberry-labs/nano-work-gen on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/strawberry-labs/nano-work-gen
[INFO] finished tweaking git repo https://github.com/strawberry-labs/nano-work-gen
[INFO] tweaked toml for git repo https://github.com/strawberry-labs/nano-work-gen written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/strawberry-labs/nano-work-gen 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" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qutex v0.2.6
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[INFO] [stderr]   Downloaded ocl v0.19.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7f07fe589ed4c4d535a407dfcb649ac4b7a355ee2f3b12b2877ecb89847ff58
[INFO] running `Command { std: "docker" "start" "-a" "c7f07fe589ed4c4d535a407dfcb649ac4b7a355ee2f3b12b2877ecb89847ff58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f07fe589ed4c4d535a407dfcb649ac4b7a355ee2f3b12b2877ecb89847ff58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f07fe589ed4c4d535a407dfcb649ac4b7a355ee2f3b12b2877ecb89847ff58", kill_on_drop: false }`
[INFO] [stdout] c7f07fe589ed4c4d535a407dfcb649ac4b7a355ee2f3b12b2877ecb89847ff58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c415c2819535f38a026d57119f5ec8378bbe76f48a70b8391385614f983c870
[INFO] running `Command { std: "docker" "start" "-a" "0c415c2819535f38a026d57119f5ec8378bbe76f48a70b8391385614f983c870", kill_on_drop: false }`
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[INFO] [stderr]     Checking nano-work v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Canceled` is never constructed
[INFO] [stdout]   --> src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | enum WorkError {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 86 |     Canceled,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Canceled` is never constructed
[INFO] [stdout]   --> src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | enum WorkError {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 86 |     Canceled,
[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 26.54s
[INFO] running `Command { std: "docker" "inspect" "0c415c2819535f38a026d57119f5ec8378bbe76f48a70b8391385614f983c870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c415c2819535f38a026d57119f5ec8378bbe76f48a70b8391385614f983c870", kill_on_drop: false }`
[INFO] [stdout] 0c415c2819535f38a026d57119f5ec8378bbe76f48a70b8391385614f983c870