[INFO] fetching crate rgb 0.8.27...
[INFO] testing rgb-0.8.27 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rgb 0.8.27 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rgb 0.8.27 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgb 0.8.27
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rgb 0.8.27
[INFO] tweaked toml for crates.io crate rgb 0.8.27 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rgb 0.8.27 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e459486f8637d0748afe45713764b9f3e2dbc17efd681c5e9468518aca991f55
[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" "e459486f8637d0748afe45713764b9f3e2dbc17efd681c5e9468518aca991f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e459486f8637d0748afe45713764b9f3e2dbc17efd681c5e9468518aca991f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e459486f8637d0748afe45713764b9f3e2dbc17efd681c5e9468518aca991f55", kill_on_drop: false }`
[INFO] [stdout] e459486f8637d0748afe45713764b9f3e2dbc17efd681c5e9468518aca991f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939d4906aa038ea55fe519d7924cf4a48e667888dd6f6f52cdc12c78b79345b8
[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" "939d4906aa038ea55fe519d7924cf4a48e667888dd6f6f52cdc12c78b79345b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling rgb v0.8.27 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "939d4906aa038ea55fe519d7924cf4a48e667888dd6f6f52cdc12c78b79345b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939d4906aa038ea55fe519d7924cf4a48e667888dd6f6f52cdc12c78b79345b8", kill_on_drop: false }`
[INFO] [stdout] 939d4906aa038ea55fe519d7924cf4a48e667888dd6f6f52cdc12c78b79345b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88cafdb9b4cd5afdfbf6872ca33f577c7362ddffdea23b9ee5576012ce21ed1e
[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" "88cafdb9b4cd5afdfbf6872ca33f577c7362ddffdea23b9ee5576012ce21ed1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling rgb v0.8.27 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.13s
[INFO] running `Command { std: "docker" "inspect" "88cafdb9b4cd5afdfbf6872ca33f577c7362ddffdea23b9ee5576012ce21ed1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cafdb9b4cd5afdfbf6872ca33f577c7362ddffdea23b9ee5576012ce21ed1e", kill_on_drop: false }`
[INFO] [stdout] 88cafdb9b4cd5afdfbf6872ca33f577c7362ddffdea23b9ee5576012ce21ed1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d78a51b9a8b0e1e135d242e432c4ec813560def36f93f47889405b9778c723e3
[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" "d78a51b9a8b0e1e135d242e432c4ec813560def36f93f47889405b9778c723e3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rgb-4b597129a4b53a13)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test alt::gray ... ok
[INFO] [stdout] test internal::convert::array::convert_array ... ok
[INFO] [stdout] test internal::convert::converts ... ok
[INFO] [stdout] test internal::ops::test::test_add ... ok
[INFO] [stdout] test internal::convert::tuple::converts ... ok
[INFO] [stdout] test internal::ops::test::test_mult ... ok
[INFO] [stdout] test internal::rgb::rgb_test::test_fmt ... ok
[INFO] [stdout] test internal::rgb::rgb_test::sanity_check ... ok
[INFO] [stdout] test bytes ... ok
[INFO] [stdout] test internal::ops::test::test_sub_assign ... ok
[INFO] [stdout] test internal::ops::test::test_mult_assign ... ok
[INFO] [stdout] test internal::ops::test::sum ... ok
[INFO] [stdout] test internal::ops::test::test_add_assign ... ok
[INFO] [stdout] test internal::rgba::bgra_test ... ok
[INFO] [stdout] test internal::rgba::rgba_test ... ok
[INFO] [stdout] test sub_floats ... ok
[INFO] [stdout] test internal::ops::test::test_sub ... ok
[INFO] [stdout] test into ... ok
[INFO] [stdout] test rgb_works ... ok
[INFO] [stdout] test rgba_works ... ok
[INFO] [stdout] test internal::ops::test::test_add_overflow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rgb
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/internal/pixel.rs - internal::pixel::ComponentSlice::as_mut_slice (line 17) ... ignored
[INFO] [stdout] test src/internal/pixel.rs - internal::pixel::ComponentBytes (line 28) ... ok
[INFO] [stdout] test src/internal/pixel.rs - internal::pixel::ComponentMap (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d78a51b9a8b0e1e135d242e432c4ec813560def36f93f47889405b9778c723e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78a51b9a8b0e1e135d242e432c4ec813560def36f93f47889405b9778c723e3", kill_on_drop: false }`
[INFO] [stdout] d78a51b9a8b0e1e135d242e432c4ec813560def36f93f47889405b9778c723e3