[INFO] fetching crate contrast-checker 0.1.1...
[INFO] testing contrast-checker-0.1.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate contrast-checker 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate contrast-checker 0.1.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03bded8f8a0a1652c2f8c79e4c64802d3ac59974a85239f61ee97759ae311753
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03bded8f8a0a1652c2f8c79e4c64802d3ac59974a85239f61ee97759ae311753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03bded8f8a0a1652c2f8c79e4c64802d3ac59974a85239f61ee97759ae311753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bded8f8a0a1652c2f8c79e4c64802d3ac59974a85239f61ee97759ae311753", kill_on_drop: false }`
[INFO] [stdout] 03bded8f8a0a1652c2f8c79e4c64802d3ac59974a85239f61ee97759ae311753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f7d9f2413cb248e8f23bb00187d6a947f496018d5834a97205a2214ce785e0b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f7d9f2413cb248e8f23bb00187d6a947f496018d5834a97205a2214ce785e0b", 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 16.30s
[INFO] running `Command { std: "docker" "inspect" "2f7d9f2413cb248e8f23bb00187d6a947f496018d5834a97205a2214ce785e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7d9f2413cb248e8f23bb00187d6a947f496018d5834a97205a2214ce785e0b", kill_on_drop: false }`
[INFO] [stdout] 2f7d9f2413cb248e8f23bb00187d6a947f496018d5834a97205a2214ce785e0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95e8bf4ea9442a19b4f0377d74adcf332d4d8b9919763e4222f0521ac57db76b
[INFO] running `Command { std: "docker" "start" "-a" "95e8bf4ea9442a19b4f0377d74adcf332d4d8b9919763e4222f0521ac57db76b", kill_on_drop: false }`
[INFO] [stderr]    Compiling contrast-checker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "95e8bf4ea9442a19b4f0377d74adcf332d4d8b9919763e4222f0521ac57db76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e8bf4ea9442a19b4f0377d74adcf332d4d8b9919763e4222f0521ac57db76b", kill_on_drop: false }`
[INFO] [stdout] 95e8bf4ea9442a19b4f0377d74adcf332d4d8b9919763e4222f0521ac57db76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e8f3b188622f590e7cd4af06d8260324253b758535e0d793860257a427b3ec4
[INFO] running `Command { std: "docker" "start" "-a" "7e8f3b188622f590e7cd4af06d8260324253b758535e0d793860257a427b3ec4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/contrast_checker-434171aa2692c049
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e8f3b188622f590e7cd4af06d8260324253b758535e0d793860257a427b3ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8f3b188622f590e7cd4af06d8260324253b758535e0d793860257a427b3ec4", kill_on_drop: false }`
[INFO] [stdout] 7e8f3b188622f590e7cd4af06d8260324253b758535e0d793860257a427b3ec4