[INFO] cloning repository https://github.com/RyanBrushett/following-a-rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RyanBrushett/following-a-rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanBrushett%2Ffollowing-a-rust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanBrushett%2Ffollowing-a-rust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2355a16d2bab2d1ebe2a579b1ae0ebaa93150ece
[INFO] testing RyanBrushett/following-a-rust-tutorial against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanBrushett%2Ffollowing-a-rust-tutorial" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RyanBrushett/following-a-rust-tutorial on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RyanBrushett/following-a-rust-tutorial
[INFO] finished tweaking git repo https://github.com/RyanBrushett/following-a-rust-tutorial
[INFO] tweaked toml for git repo https://github.com/RyanBrushett/following-a-rust-tutorial written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/RyanBrushett/following-a-rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ab28122626c3fe58a61517e01a448fa473bb07a5947960d9f108ea1fe72d83b
[INFO] running `Command { std: "docker" "start" "-a" "4ab28122626c3fe58a61517e01a448fa473bb07a5947960d9f108ea1fe72d83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ab28122626c3fe58a61517e01a448fa473bb07a5947960d9f108ea1fe72d83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab28122626c3fe58a61517e01a448fa473bb07a5947960d9f108ea1fe72d83b", kill_on_drop: false }`
[INFO] [stdout] 4ab28122626c3fe58a61517e01a448fa473bb07a5947960d9f108ea1fe72d83b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3f29d383bbdc7d917e436ffa82e4c4a4cc5e6cc916a1ba0862b0d2c6034860f
[INFO] running `Command { std: "docker" "start" "-a" "f3f29d383bbdc7d917e436ffa82e4c4a4cc5e6cc916a1ba0862b0d2c6034860f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling following-a-rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.36s
[INFO] running `Command { std: "docker" "inspect" "f3f29d383bbdc7d917e436ffa82e4c4a4cc5e6cc916a1ba0862b0d2c6034860f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f29d383bbdc7d917e436ffa82e4c4a4cc5e6cc916a1ba0862b0d2c6034860f", kill_on_drop: false }`
[INFO] [stdout] f3f29d383bbdc7d917e436ffa82e4c4a4cc5e6cc916a1ba0862b0d2c6034860f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 006c6a14d60a4204dcb8811085b5401f1450ad9b7510683cb2f05598e52c45d1
[INFO] running `Command { std: "docker" "start" "-a" "006c6a14d60a4204dcb8811085b5401f1450ad9b7510683cb2f05598e52c45d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling following-a-rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "006c6a14d60a4204dcb8811085b5401f1450ad9b7510683cb2f05598e52c45d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006c6a14d60a4204dcb8811085b5401f1450ad9b7510683cb2f05598e52c45d1", kill_on_drop: false }`
[INFO] [stdout] 006c6a14d60a4204dcb8811085b5401f1450ad9b7510683cb2f05598e52c45d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d078423850319db1678c3c5cc3fdb048a4987726bf17b46be989b0d2a254e35
[INFO] running `Command { std: "docker" "start" "-a" "1d078423850319db1678c3c5cc3fdb048a4987726bf17b46be989b0d2a254e35", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/following_a_rust_tutorial-b09031d11b68c7d5)
[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" "1d078423850319db1678c3c5cc3fdb048a4987726bf17b46be989b0d2a254e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d078423850319db1678c3c5cc3fdb048a4987726bf17b46be989b0d2a254e35", kill_on_drop: false }`
[INFO] [stdout] 1d078423850319db1678c3c5cc3fdb048a4987726bf17b46be989b0d2a254e35