[INFO] fetching crate contrast-checker 0.1.1...
[INFO] testing contrast-checker-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate contrast-checker 0.1.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate contrast-checker 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate contrast-checker 0.1.1
[INFO] finished tweaking crates.io crate contrast-checker 0.1.1
[INFO] tweaked toml for crates.io crate contrast-checker 0.1.1 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate contrast-checker 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c7fa8ee4051fc9837e2fb35f7489c16f5f72ca5532ce7188932b4662fa683ae
[INFO] running `Command { std: "docker" "start" "-a" "4c7fa8ee4051fc9837e2fb35f7489c16f5f72ca5532ce7188932b4662fa683ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c7fa8ee4051fc9837e2fb35f7489c16f5f72ca5532ce7188932b4662fa683ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7fa8ee4051fc9837e2fb35f7489c16f5f72ca5532ce7188932b4662fa683ae", kill_on_drop: false }`
[INFO] [stdout] 4c7fa8ee4051fc9837e2fb35f7489c16f5f72ca5532ce7188932b4662fa683ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 845856d5e15ce4ab2cfeadab34b3033c04f1bed217b3eb723ed2f2fa5e3d9b4d
[INFO] running `Command { std: "docker" "start" "-a" "845856d5e15ce4ab2cfeadab34b3033c04f1bed217b3eb723ed2f2fa5e3d9b4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling rust-hsluv v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling contrast v0.1.0
[INFO] [stderr]    Compiling contrast-checker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "845856d5e15ce4ab2cfeadab34b3033c04f1bed217b3eb723ed2f2fa5e3d9b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845856d5e15ce4ab2cfeadab34b3033c04f1bed217b3eb723ed2f2fa5e3d9b4d", kill_on_drop: false }`
[INFO] [stdout] 845856d5e15ce4ab2cfeadab34b3033c04f1bed217b3eb723ed2f2fa5e3d9b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba5c90ae7c19ca4d4bfdf8cf01f494c9d1973a36f24f04ede2a0c023159caf4c
[INFO] running `Command { std: "docker" "start" "-a" "ba5c90ae7c19ca4d4bfdf8cf01f494c9d1973a36f24f04ede2a0c023159caf4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling contrast-checker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/contrast_checker-f8ce73793f679d9d)
[INFO] running `Command { std: "docker" "inspect" "ba5c90ae7c19ca4d4bfdf8cf01f494c9d1973a36f24f04ede2a0c023159caf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5c90ae7c19ca4d4bfdf8cf01f494c9d1973a36f24f04ede2a0c023159caf4c", kill_on_drop: false }`
[INFO] [stdout] ba5c90ae7c19ca4d4bfdf8cf01f494c9d1973a36f24f04ede2a0c023159caf4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 705eeff292da748690051101f43f617289364e53cc95a4ca4afb3319dfc89ba8
[INFO] running `Command { std: "docker" "start" "-a" "705eeff292da748690051101f43f617289364e53cc95a4ca4afb3319dfc89ba8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/contrast_checker-f8ce73793f679d9d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "705eeff292da748690051101f43f617289364e53cc95a4ca4afb3319dfc89ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705eeff292da748690051101f43f617289364e53cc95a4ca4afb3319dfc89ba8", kill_on_drop: false }`
[INFO] [stdout] 705eeff292da748690051101f43f617289364e53cc95a4ca4afb3319dfc89ba8