[INFO] fetching crate contrast-checker 0.1.1...
[INFO] testing contrast-checker-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate contrast-checker 0.1.1 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate contrast-checker 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate contrast-checker 0.1.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb8ea9fc379f7d75ce3e1324d0039876a7e3fcddaef169fa6a04889a0f1d3fb6
[INFO] running `Command { std: "docker" "start" "-a" "cb8ea9fc379f7d75ce3e1324d0039876a7e3fcddaef169fa6a04889a0f1d3fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb8ea9fc379f7d75ce3e1324d0039876a7e3fcddaef169fa6a04889a0f1d3fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8ea9fc379f7d75ce3e1324d0039876a7e3fcddaef169fa6a04889a0f1d3fb6", kill_on_drop: false }`
[INFO] [stdout] cb8ea9fc379f7d75ce3e1324d0039876a7e3fcddaef169fa6a04889a0f1d3fb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 361b7ac6b473f42f53e202c58fd3e42993a559e9ef4e05f6de4d54a7999fe2e6
[INFO] running `Command { std: "docker" "start" "-a" "361b7ac6b473f42f53e202c58fd3e42993a559e9ef4e05f6de4d54a7999fe2e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling rust-hsluv v0.1.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[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` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "361b7ac6b473f42f53e202c58fd3e42993a559e9ef4e05f6de4d54a7999fe2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361b7ac6b473f42f53e202c58fd3e42993a559e9ef4e05f6de4d54a7999fe2e6", kill_on_drop: false }`
[INFO] [stdout] 361b7ac6b473f42f53e202c58fd3e42993a559e9ef4e05f6de4d54a7999fe2e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d66e1c9b204ec81a0f6d8d87d35a4405048eb02465d04ff5c070c2bcaecd936
[INFO] running `Command { std: "docker" "start" "-a" "4d66e1c9b204ec81a0f6d8d87d35a4405048eb02465d04ff5c070c2bcaecd936", kill_on_drop: false }`
[INFO] [stderr]    Compiling contrast-checker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "4d66e1c9b204ec81a0f6d8d87d35a4405048eb02465d04ff5c070c2bcaecd936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d66e1c9b204ec81a0f6d8d87d35a4405048eb02465d04ff5c070c2bcaecd936", kill_on_drop: false }`
[INFO] [stdout] 4d66e1c9b204ec81a0f6d8d87d35a4405048eb02465d04ff5c070c2bcaecd936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f286e7b7c81fb1270783d1208202470b3f3a099ea356b3da2cff68303be75bf
[INFO] running `Command { std: "docker" "start" "-a" "2f286e7b7c81fb1270783d1208202470b3f3a099ea356b3da2cff68303be75bf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/contrast_checker-5e1fe399f38c1fe0)
[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" "2f286e7b7c81fb1270783d1208202470b3f3a099ea356b3da2cff68303be75bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f286e7b7c81fb1270783d1208202470b3f3a099ea356b3da2cff68303be75bf", kill_on_drop: false }`
[INFO] [stdout] 2f286e7b7c81fb1270783d1208202470b3f3a099ea356b3da2cff68303be75bf