[INFO] cloning repository https://github.com/jeffs/exercism
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffs/exercism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffs%2Fexercism", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffs%2Fexercism'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e1c0f9af6a4f51d7838e13a704777da4b5a6762
[INFO] checking jeffs/exercism against master#e3e432d4d65a55e6db167598e96db2bcb163e316 for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffs%2Fexercism" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffs/exercism on toolchain e3e432d4d65a55e6db167598e96db2bcb163e316
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeffs/exercism
[INFO] finished tweaking git repo https://github.com/jeffs/exercism
[INFO] tweaked toml for git repo https://github.com/jeffs/exercism written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jeffs/exercism 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" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36ebeec78d5b3f145335c26f6fb6ac7bc7f8a1827bd44b44876aed8eaf6af69d
[INFO] running `Command { std: "docker" "start" "-a" "36ebeec78d5b3f145335c26f6fb6ac7bc7f8a1827bd44b44876aed8eaf6af69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36ebeec78d5b3f145335c26f6fb6ac7bc7f8a1827bd44b44876aed8eaf6af69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ebeec78d5b3f145335c26f6fb6ac7bc7f8a1827bd44b44876aed8eaf6af69d", kill_on_drop: false }`
[INFO] [stdout] 36ebeec78d5b3f145335c26f6fb6ac7bc7f8a1827bd44b44876aed8eaf6af69d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24a193411c9314d7a9989ecd74f61cb29a0b4eea0e39d2ebff2025f5d72caf4c
[INFO] running `Command { std: "docker" "start" "-a" "24a193411c9314d7a9989ecd74f61cb29a0b4eea0e39d2ebff2025f5d72caf4c", kill_on_drop: false }`
[INFO] [stderr]     Checking exercism v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `rank` is never used
[INFO] [stdout]   --> src/bin/poker.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Hand {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn rank(&self) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rank` is never used
[INFO] [stdout]   --> src/bin/poker.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Hand {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn rank(&self) -> u8 {
[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 0.12s
[INFO] running `Command { std: "docker" "inspect" "24a193411c9314d7a9989ecd74f61cb29a0b4eea0e39d2ebff2025f5d72caf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a193411c9314d7a9989ecd74f61cb29a0b4eea0e39d2ebff2025f5d72caf4c", kill_on_drop: false }`
[INFO] [stdout] 24a193411c9314d7a9989ecd74f61cb29a0b4eea0e39d2ebff2025f5d72caf4c