[INFO] fetching crate colo 0.4.1...
[INFO] testing colo-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate colo 0.4.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate colo 0.4.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colo 0.4.1
[INFO] finished tweaking crates.io crate colo 0.4.1
[INFO] tweaked toml for crates.io crate colo 0.4.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate colo 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c4991412a31f88d92bf719a27073dfad62b96b98096fac3afcfd78fc5efd7a0
[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" "4c4991412a31f88d92bf719a27073dfad62b96b98096fac3afcfd78fc5efd7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c4991412a31f88d92bf719a27073dfad62b96b98096fac3afcfd78fc5efd7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4991412a31f88d92bf719a27073dfad62b96b98096fac3afcfd78fc5efd7a0", kill_on_drop: false }`
[INFO] [stdout] 4c4991412a31f88d92bf719a27073dfad62b96b98096fac3afcfd78fc5efd7a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1538c66df5272a7bbda8ef9be955a3b86a8c2ca790efe21dd0ead52c49e207f5
[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" "1538c66df5272a7bbda8ef9be955a3b86a8c2ca790efe21dd0ead52c49e207f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling colo v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling color_space v0.5.3
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling console v0.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.51s
[INFO] running `Command { std: "docker" "inspect" "1538c66df5272a7bbda8ef9be955a3b86a8c2ca790efe21dd0ead52c49e207f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1538c66df5272a7bbda8ef9be955a3b86a8c2ca790efe21dd0ead52c49e207f5", kill_on_drop: false }`
[INFO] [stdout] 1538c66df5272a7bbda8ef9be955a3b86a8c2ca790efe21dd0ead52c49e207f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 932a7acfdd30e2e5d651be99396f82d00bfb103fd281438b3cb229227a83796e
[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" "932a7acfdd30e2e5d651be99396f82d00bfb103fd281438b3cb229227a83796e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling colo v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "932a7acfdd30e2e5d651be99396f82d00bfb103fd281438b3cb229227a83796e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932a7acfdd30e2e5d651be99396f82d00bfb103fd281438b3cb229227a83796e", kill_on_drop: false }`
[INFO] [stdout] 932a7acfdd30e2e5d651be99396f82d00bfb103fd281438b3cb229227a83796e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78a09b7eb39f8b51665b477676b7d0784cd39d615836c5c368fe2957809b4ee5
[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" "78a09b7eb39f8b51665b477676b7d0784cd39d615836c5c368fe2957809b4ee5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/colo-dd757307483a9336
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test color::hex::tests::test_from_rgb ... ok
[INFO] [stdout] test color::tests::test_color_display ... ok
[INFO] [stdout] test color::hex::tests::test_parse ... ok
[INFO] [stdout] test color::hex::tests::test_parse_and_to_hex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78a09b7eb39f8b51665b477676b7d0784cd39d615836c5c368fe2957809b4ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a09b7eb39f8b51665b477676b7d0784cd39d615836c5c368fe2957809b4ee5", kill_on_drop: false }`
[INFO] [stdout] 78a09b7eb39f8b51665b477676b7d0784cd39d615836c5c368fe2957809b4ee5