[INFO] fetching crate holding_color 0.1.0...
[INFO] testing holding_color-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate holding_color 0.1.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate holding_color 0.1.0 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 holding_color 0.1.0
[INFO] finished tweaking crates.io crate holding_color 0.1.0
[INFO] tweaked toml for crates.io crate holding_color 0.1.0 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] ee3c299c9fc19fc67023c0475dd7e8c169415eee601e9467fdf962a561f872c4
[INFO] running `Command { std: "docker" "start" "-a" "ee3c299c9fc19fc67023c0475dd7e8c169415eee601e9467fdf962a561f872c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee3c299c9fc19fc67023c0475dd7e8c169415eee601e9467fdf962a561f872c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3c299c9fc19fc67023c0475dd7e8c169415eee601e9467fdf962a561f872c4", kill_on_drop: false }`
[INFO] [stdout] ee3c299c9fc19fc67023c0475dd7e8c169415eee601e9467fdf962a561f872c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 7094d855d7e745b11791e8b60449f971a15beb07e005f1452932f32cd2e125bb
[INFO] running `Command { std: "docker" "start" "-a" "7094d855d7e745b11791e8b60449f971a15beb07e005f1452932f32cd2e125bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling holding_color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.84s
[INFO] running `Command { std: "docker" "inspect" "7094d855d7e745b11791e8b60449f971a15beb07e005f1452932f32cd2e125bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7094d855d7e745b11791e8b60449f971a15beb07e005f1452932f32cd2e125bb", kill_on_drop: false }`
[INFO] [stdout] 7094d855d7e745b11791e8b60449f971a15beb07e005f1452932f32cd2e125bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 4a32fd0a48aaa657cf91b5d0560dc68da170b5a60d59ba6ef6d42f1af3fe11c7
[INFO] running `Command { std: "docker" "start" "-a" "4a32fd0a48aaa657cf91b5d0560dc68da170b5a60d59ba6ef6d42f1af3fe11c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling holding_color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "4a32fd0a48aaa657cf91b5d0560dc68da170b5a60d59ba6ef6d42f1af3fe11c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a32fd0a48aaa657cf91b5d0560dc68da170b5a60d59ba6ef6d42f1af3fe11c7", kill_on_drop: false }`
[INFO] [stdout] 4a32fd0a48aaa657cf91b5d0560dc68da170b5a60d59ba6ef6d42f1af3fe11c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] f5ef16ca7f22202f3c420cd80dca05b04f9ac22082447c81b61d27eaa4814175
[INFO] running `Command { std: "docker" "start" "-a" "f5ef16ca7f22202f3c420cd80dca05b04f9ac22082447c81b61d27eaa4814175", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/holding_color-e3dc2447edc1a3d7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests holding_color
[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] [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" "f5ef16ca7f22202f3c420cd80dca05b04f9ac22082447c81b61d27eaa4814175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ef16ca7f22202f3c420cd80dca05b04f9ac22082447c81b61d27eaa4814175", kill_on_drop: false }`
[INFO] [stdout] f5ef16ca7f22202f3c420cd80dca05b04f9ac22082447c81b61d27eaa4814175