[INFO] cloning repository https://github.com/TomSpencerLondon/rust-crash-course-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TomSpencerLondon/rust-crash-course-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSpencerLondon%2Frust-crash-course-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSpencerLondon%2Frust-crash-course-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4227c747c69fdeb4c277137e8d5b3d741277c473
[INFO] testing TomSpencerLondon/rust-crash-course-exercises against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomSpencerLondon%2Frust-crash-course-exercises" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TomSpencerLondon/rust-crash-course-exercises 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/TomSpencerLondon/rust-crash-course-exercises
[INFO] finished tweaking git repo https://github.com/TomSpencerLondon/rust-crash-course-exercises
[INFO] tweaked toml for git repo https://github.com/TomSpencerLondon/rust-crash-course-exercises written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TomSpencerLondon/rust-crash-course-exercises 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1a0289939d9ec5d2e450caf1f6721b616614abd314f942a1089389a6804ecd14
[INFO] running `Command { std: "docker" "start" "-a" "1a0289939d9ec5d2e450caf1f6721b616614abd314f942a1089389a6804ecd14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a0289939d9ec5d2e450caf1f6721b616614abd314f942a1089389a6804ecd14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0289939d9ec5d2e450caf1f6721b616614abd314f942a1089389a6804ecd14", kill_on_drop: false }`
[INFO] [stdout] 1a0289939d9ec5d2e450caf1f6721b616614abd314f942a1089389a6804ecd14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9e2bda6aaf1705e090c57f4e5abefee059e48e4b8dead50813fc335bfd934656
[INFO] running `Command { std: "docker" "start" "-a" "9e2bda6aaf1705e090c57f4e5abefee059e48e4b8dead50813fc335bfd934656", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_crash_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "9e2bda6aaf1705e090c57f4e5abefee059e48e4b8dead50813fc335bfd934656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2bda6aaf1705e090c57f4e5abefee059e48e4b8dead50813fc335bfd934656", kill_on_drop: false }`
[INFO] [stdout] 9e2bda6aaf1705e090c57f4e5abefee059e48e4b8dead50813fc335bfd934656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 43f400da9234eaa141c214698e01ec28931f4c3d5c2c9c7a2d321442626e9bbe
[INFO] running `Command { std: "docker" "start" "-a" "43f400da9234eaa141c214698e01ec28931f4c3d5c2c9c7a2d321442626e9bbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_crash_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "43f400da9234eaa141c214698e01ec28931f4c3d5c2c9c7a2d321442626e9bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f400da9234eaa141c214698e01ec28931f4c3d5c2c9c7a2d321442626e9bbe", kill_on_drop: false }`
[INFO] [stdout] 43f400da9234eaa141c214698e01ec28931f4c3d5c2c9c7a2d321442626e9bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 57b8aee167c079160c4851b13bb427636b5a4878c1f3e569ac8fac7c97b510bd
[INFO] running `Command { std: "docker" "start" "-a" "57b8aee167c079160c4851b13bb427636b5a4878c1f3e569ac8fac7c97b510bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_crash_course-2bfb1bd2068bd518)
[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" "57b8aee167c079160c4851b13bb427636b5a4878c1f3e569ac8fac7c97b510bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b8aee167c079160c4851b13bb427636b5a4878c1f3e569ac8fac7c97b510bd", kill_on_drop: false }`
[INFO] [stdout] 57b8aee167c079160c4851b13bb427636b5a4878c1f3e569ac8fac7c97b510bd