[INFO] fetching crate pecho 2.0.1...
[INFO] testing pecho-2.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pecho 2.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pecho 2.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pecho 2.0.1
[INFO] finished tweaking crates.io crate pecho 2.0.1
[INFO] tweaked toml for crates.io crate pecho 2.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate pecho 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70e02719ca4f73c01b3c1350ac7bb483009b9c1fdde0092a26fc4b0ba31ebe67
[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" "70e02719ca4f73c01b3c1350ac7bb483009b9c1fdde0092a26fc4b0ba31ebe67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70e02719ca4f73c01b3c1350ac7bb483009b9c1fdde0092a26fc4b0ba31ebe67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e02719ca4f73c01b3c1350ac7bb483009b9c1fdde0092a26fc4b0ba31ebe67", kill_on_drop: false }`
[INFO] [stdout] 70e02719ca4f73c01b3c1350ac7bb483009b9c1fdde0092a26fc4b0ba31ebe67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 136a2a0c6d884073ef7fb115944e5f18d2ca41aa179cb0c27a6c3cfef849743a
[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" "136a2a0c6d884073ef7fb115944e5f18d2ca41aa179cb0c27a6c3cfef849743a", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling pecho v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `NoMatch`
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     NoMatch,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_color`
[INFO] [stdout]   --> src/utils.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn parse_color(s: &str) -> Result<Color, PechoErr>{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.80s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "136a2a0c6d884073ef7fb115944e5f18d2ca41aa179cb0c27a6c3cfef849743a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136a2a0c6d884073ef7fb115944e5f18d2ca41aa179cb0c27a6c3cfef849743a", kill_on_drop: false }`
[INFO] [stdout] 136a2a0c6d884073ef7fb115944e5f18d2ca41aa179cb0c27a6c3cfef849743a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf87fb3578c620237059ff8ba567e98e61828c7cb6586e799a278a08cd6a27f7
[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" "bf87fb3578c620237059ff8ba567e98e61828c7cb6586e799a278a08cd6a27f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pecho v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `NoMatch`
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     NoMatch,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_color`
[INFO] [stdout]   --> src/utils.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn parse_color(s: &str) -> Result<Color, PechoErr>{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "bf87fb3578c620237059ff8ba567e98e61828c7cb6586e799a278a08cd6a27f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf87fb3578c620237059ff8ba567e98e61828c7cb6586e799a278a08cd6a27f7", kill_on_drop: false }`
[INFO] [stdout] bf87fb3578c620237059ff8ba567e98e61828c7cb6586e799a278a08cd6a27f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d89d27e352da5f0f8dc74229ae7128aa1fbe2242a71b36ac5a1f3dd62366db39
[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" "d89d27e352da5f0f8dc74229ae7128aa1fbe2242a71b36ac5a1f3dd62366db39", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `NoMatch`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/utils.rs:8:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 8 |     NoMatch,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_color`
[INFO] [stderr]   --> src/utils.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn parse_color(s: &str) -> Result<Color, PechoErr>{
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pecho` (bin "pecho" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pecho-8830b66e57e545fc)
[INFO] running `Command { std: "docker" "inspect" "d89d27e352da5f0f8dc74229ae7128aa1fbe2242a71b36ac5a1f3dd62366db39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89d27e352da5f0f8dc74229ae7128aa1fbe2242a71b36ac5a1f3dd62366db39", kill_on_drop: false }`
[INFO] [stdout] d89d27e352da5f0f8dc74229ae7128aa1fbe2242a71b36ac5a1f3dd62366db39