[INFO] cloning repository https://github.com/fwilhe2/rustplayground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fwilhe2/rustplayground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwilhe2%2Frustplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwilhe2%2Frustplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e70c1ca4e53434d13aae1078f8c457d8e7c6052
[INFO] testing fwilhe2/rustplayground against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwilhe2%2Frustplayground" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fwilhe2/rustplayground 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 git repo https://github.com/fwilhe2/rustplayground
[INFO] finished tweaking git repo https://github.com/fwilhe2/rustplayground
[INFO] tweaked toml for git repo https://github.com/fwilhe2/rustplayground written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/fwilhe2/rustplayground 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] de499a6d5a65e800e25a35815db5ec18802be42dee065cafd617da196792107a
[INFO] running `Command { std: "docker" "start" "-a" "de499a6d5a65e800e25a35815db5ec18802be42dee065cafd617da196792107a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de499a6d5a65e800e25a35815db5ec18802be42dee065cafd617da196792107a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de499a6d5a65e800e25a35815db5ec18802be42dee065cafd617da196792107a", kill_on_drop: false }`
[INFO] [stdout] de499a6d5a65e800e25a35815db5ec18802be42dee065cafd617da196792107a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c11d3ad1c4f5f4f5369ba53ec03961c97a633b9a9c682c7fa69572e48123e824
[INFO] running `Command { std: "docker" "start" "-a" "c11d3ad1c4f5f4f5369ba53ec03961c97a633b9a9c682c7fa69572e48123e824", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustplayground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `invert2`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn invert2(i: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "c11d3ad1c4f5f4f5369ba53ec03961c97a633b9a9c682c7fa69572e48123e824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11d3ad1c4f5f4f5369ba53ec03961c97a633b9a9c682c7fa69572e48123e824", kill_on_drop: false }`
[INFO] [stdout] c11d3ad1c4f5f4f5369ba53ec03961c97a633b9a9c682c7fa69572e48123e824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e54c3e5afa3db456b90001a25c0f84f2738f6d6685df179a51be593ea4195199
[INFO] running `Command { std: "docker" "start" "-a" "e54c3e5afa3db456b90001a25c0f84f2738f6d6685df179a51be593ea4195199", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustplayground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `invert2`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn invert2(i: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "e54c3e5afa3db456b90001a25c0f84f2738f6d6685df179a51be593ea4195199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54c3e5afa3db456b90001a25c0f84f2738f6d6685df179a51be593ea4195199", kill_on_drop: false }`
[INFO] [stdout] e54c3e5afa3db456b90001a25c0f84f2738f6d6685df179a51be593ea4195199
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] bd1a8fb7cedd994d1b0abdda37a9981bcb38f38f0f081f86d2520a81a441a80f
[INFO] running `Command { std: "docker" "start" "-a" "bd1a8fb7cedd994d1b0abdda37a9981bcb38f38f0f081f86d2520a81a441a80f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `invert2`
[INFO] [stderr]   --> src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn invert2(i: f64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustplayground` (bin "rustplayground" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustplayground-da45b2d757407242)
[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" "bd1a8fb7cedd994d1b0abdda37a9981bcb38f38f0f081f86d2520a81a441a80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1a8fb7cedd994d1b0abdda37a9981bcb38f38f0f081f86d2520a81a441a80f", kill_on_drop: false }`
[INFO] [stdout] bd1a8fb7cedd994d1b0abdda37a9981bcb38f38f0f081f86d2520a81a441a80f