[INFO] cloning repository https://github.com/sytzez/solfege
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sytzez/solfege" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsytzez%2Fsolfege", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsytzez%2Fsolfege'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f2c020e5ec9792572980793d53bd9ace509dfb3
[INFO] checking sytzez/solfege against master#249595384b4589c71a00d622c4253f62c7f5ddbd for pr-127054
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsytzez%2Fsolfege" "/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/sytzez/solfege on toolchain 249595384b4589c71a00d622c4253f62c7f5ddbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249595384b4589c71a00d622c4253f62c7f5ddbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sytzez/solfege
[INFO] finished tweaking git repo https://github.com/sytzez/solfege
[INFO] tweaked toml for git repo https://github.com/sytzez/solfege written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sytzez/solfege 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" "+249595384b4589c71a00d622c4253f62c7f5ddbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+249595384b4589c71a00d622c4253f62c7f5ddbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a455933ec948dc574d49a2d054c813853df8e8fd6878b6d5aaf2e8060fd3e479
[INFO] running `Command { std: "docker" "start" "-a" "a455933ec948dc574d49a2d054c813853df8e8fd6878b6d5aaf2e8060fd3e479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a455933ec948dc574d49a2d054c813853df8e8fd6878b6d5aaf2e8060fd3e479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a455933ec948dc574d49a2d054c813853df8e8fd6878b6d5aaf2e8060fd3e479", kill_on_drop: false }`
[INFO] [stdout] a455933ec948dc574d49a2d054c813853df8e8fd6878b6d5aaf2e8060fd3e479
[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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+249595384b4589c71a00d622c4253f62c7f5ddbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3672e41d8328192b448bef7171e8659c63fd6ba0bf002606b1eda52a2013c5e
[INFO] running `Command { std: "docker" "start" "-a" "a3672e41d8328192b448bef7171e8659c63fd6ba0bf002606b1eda52a2013c5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking solfege v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Pitch`
[INFO] [stdout]   --> src/pitch/pitch.rs:96:24
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use crate::pitch::{Pitch, PitchClassUtils};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "a3672e41d8328192b448bef7171e8659c63fd6ba0bf002606b1eda52a2013c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3672e41d8328192b448bef7171e8659c63fd6ba0bf002606b1eda52a2013c5e", kill_on_drop: false }`
[INFO] [stdout] a3672e41d8328192b448bef7171e8659c63fd6ba0bf002606b1eda52a2013c5e