[INFO] cloning repository https://github.com/jeftenunes/rustlings-resolutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeftenunes/rustlings-resolutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeftenunes%2Frustlings-resolutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeftenunes%2Frustlings-resolutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03a211c264e65904cfcd7c1350109db66006fe33
[INFO] testing jeftenunes/rustlings-resolutions 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%2Fjeftenunes%2Frustlings-resolutions" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeftenunes/rustlings-resolutions 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/jeftenunes/rustlings-resolutions
[INFO] finished tweaking git repo https://github.com/jeftenunes/rustlings-resolutions
[INFO] tweaked toml for git repo https://github.com/jeftenunes/rustlings-resolutions written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jeftenunes/rustlings-resolutions 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 184436de6bdde8840837e2959ae5571cb91797a88446d548f3cb758d2b6316a6
[INFO] running `Command { std: "docker" "start" "-a" "184436de6bdde8840837e2959ae5571cb91797a88446d548f3cb758d2b6316a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "184436de6bdde8840837e2959ae5571cb91797a88446d548f3cb758d2b6316a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184436de6bdde8840837e2959ae5571cb91797a88446d548f3cb758d2b6316a6", kill_on_drop: false }`
[INFO] [stdout] 184436de6bdde8840837e2959ae5571cb91797a88446d548f3cb758d2b6316a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 8a8701565968e531a6a0d6a4b72f66739410d054679d3ca4e7d49c861ba12b31
[INFO] running `Command { std: "docker" "start" "-a" "8a8701565968e531a6a0d6a4b72f66739410d054679d3ca4e7d49c861ba12b31", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "8a8701565968e531a6a0d6a4b72f66739410d054679d3ca4e7d49c861ba12b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8701565968e531a6a0d6a4b72f66739410d054679d3ca4e7d49c861ba12b31", kill_on_drop: false }`
[INFO] [stdout] 8a8701565968e531a6a0d6a4b72f66739410d054679d3ca4e7d49c861ba12b31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3a6ef369fb90719480aab6f0f8cc58e052428f69055c5eb3e160c8ab0793bf27
[INFO] running `Command { std: "docker" "start" "-a" "3a6ef369fb90719480aab6f0f8cc58e052428f69055c5eb3e160c8ab0793bf27", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "3a6ef369fb90719480aab6f0f8cc58e052428f69055c5eb3e160c8ab0793bf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6ef369fb90719480aab6f0f8cc58e052428f69055c5eb3e160c8ab0793bf27", kill_on_drop: false }`
[INFO] [stdout] 3a6ef369fb90719480aab6f0f8cc58e052428f69055c5eb3e160c8ab0793bf27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 8df79fd7042ae25fd61f13f0dd83a152f427bbd2e8f3deee67d830f704d3ba97
[INFO] running `Command { std: "docker" "start" "-a" "8df79fd7042ae25fd61f13f0dd83a152f427bbd2e8f3deee67d830f704d3ba97", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_exercises-4b26402d17f5d0e9)
[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" "8df79fd7042ae25fd61f13f0dd83a152f427bbd2e8f3deee67d830f704d3ba97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df79fd7042ae25fd61f13f0dd83a152f427bbd2e8f3deee67d830f704d3ba97", kill_on_drop: false }`
[INFO] [stdout] 8df79fd7042ae25fd61f13f0dd83a152f427bbd2e8f3deee67d830f704d3ba97