[INFO] cloning repository https://github.com/kevr/tusk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevr/tusk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevr%2Ftusk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevr%2Ftusk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5798fcd6a5cb61b9ac13570567d8a55551aa06eb
[INFO] testing kevr/tusk against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevr%2Ftusk" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevr/tusk on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kevr/tusk
[INFO] finished tweaking git repo https://github.com/kevr/tusk
[INFO] tweaked toml for git repo https://github.com/kevr/tusk written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/kevr/tusk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9272fcec5ec2331360545e6d4955b34fbc362dbac664d2271a90621d3978782
[INFO] running `Command { std: "docker" "start" "-a" "f9272fcec5ec2331360545e6d4955b34fbc362dbac664d2271a90621d3978782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9272fcec5ec2331360545e6d4955b34fbc362dbac664d2271a90621d3978782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9272fcec5ec2331360545e6d4955b34fbc362dbac664d2271a90621d3978782", kill_on_drop: false }`
[INFO] [stdout] f9272fcec5ec2331360545e6d4955b34fbc362dbac664d2271a90621d3978782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2169cf09db2ae557ccd628583467b511513cdfab05265d2ac319ee94202297c6
[INFO] running `Command { std: "docker" "start" "-a" "2169cf09db2ae557ccd628583467b511513cdfab05265d2ac319ee94202297c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tusk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `u8_to_str`
[INFO] [stdout]  --> src/string/string.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn u8_to_str(buf: &[u8]) -> &str {
[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 1.54s
[INFO] running `Command { std: "docker" "inspect" "2169cf09db2ae557ccd628583467b511513cdfab05265d2ac319ee94202297c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2169cf09db2ae557ccd628583467b511513cdfab05265d2ac319ee94202297c6", kill_on_drop: false }`
[INFO] [stdout] 2169cf09db2ae557ccd628583467b511513cdfab05265d2ac319ee94202297c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f253eeebbc581d8d208e5da94cc0415d40522fc55bef2a739361cd39e1b392de
[INFO] running `Command { std: "docker" "start" "-a" "f253eeebbc581d8d208e5da94cc0415d40522fc55bef2a739361cd39e1b392de", kill_on_drop: false }`
[INFO] [stderr]    Compiling tusk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "f253eeebbc581d8d208e5da94cc0415d40522fc55bef2a739361cd39e1b392de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f253eeebbc581d8d208e5da94cc0415d40522fc55bef2a739361cd39e1b392de", kill_on_drop: false }`
[INFO] [stdout] f253eeebbc581d8d208e5da94cc0415d40522fc55bef2a739361cd39e1b392de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 873d467a0b7c0751cbfdc849f2438e605d9cb000aaf292b945243f6ef9ef1a1c
[INFO] running `Command { std: "docker" "start" "-a" "873d467a0b7c0751cbfdc849f2438e605d9cb000aaf292b945243f6ef9ef1a1c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tusk-01340e1ec268cd48)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "873d467a0b7c0751cbfdc849f2438e605d9cb000aaf292b945243f6ef9ef1a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873d467a0b7c0751cbfdc849f2438e605d9cb000aaf292b945243f6ef9ef1a1c", kill_on_drop: false }`
[INFO] [stdout] 873d467a0b7c0751cbfdc849f2438e605d9cb000aaf292b945243f6ef9ef1a1c