[INFO] cloning repository https://github.com/neurosie/rust-book-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neurosie/rust-book-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneurosie%2Frust-book-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneurosie%2Frust-book-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2beb4cde242af28a5cc99a3a8b264f4b13587cb
[INFO] testing neurosie/rust-book-exercises 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%2Fneurosie%2Frust-book-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/neurosie/rust-book-exercises 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/neurosie/rust-book-exercises
[INFO] finished tweaking git repo https://github.com/neurosie/rust-book-exercises
[INFO] tweaked toml for git repo https://github.com/neurosie/rust-book-exercises written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/neurosie/rust-book-exercises 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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b41232ed6343994dc0f532a368b19479cdafd443585b3afb5ce3c89da521e74
[INFO] running `Command { std: "docker" "start" "-a" "8b41232ed6343994dc0f532a368b19479cdafd443585b3afb5ce3c89da521e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b41232ed6343994dc0f532a368b19479cdafd443585b3afb5ce3c89da521e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b41232ed6343994dc0f532a368b19479cdafd443585b3afb5ce3c89da521e74", kill_on_drop: false }`
[INFO] [stdout] 8b41232ed6343994dc0f532a368b19479cdafd443585b3afb5ce3c89da521e74
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbc764d8aecd69caa5f61ee8c9d0f52fb005b58fdff9dedd312b35963c2d1477
[INFO] running `Command { std: "docker" "start" "-a" "fbc764d8aecd69caa5f61ee8c9d0f52fb005b58fdff9dedd312b35963c2d1477", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "fbc764d8aecd69caa5f61ee8c9d0f52fb005b58fdff9dedd312b35963c2d1477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc764d8aecd69caa5f61ee8c9d0f52fb005b58fdff9dedd312b35963c2d1477", kill_on_drop: false }`
[INFO] [stdout] fbc764d8aecd69caa5f61ee8c9d0f52fb005b58fdff9dedd312b35963c2d1477
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea32ff5f5598ce4c86f93f271d2b1001aa7467a9a8e659b9f54063cdb7532a10
[INFO] running `Command { std: "docker" "start" "-a" "ea32ff5f5598ce4c86f93f271d2b1001aa7467a9a8e659b9f54063cdb7532a10", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "ea32ff5f5598ce4c86f93f271d2b1001aa7467a9a8e659b9f54063cdb7532a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea32ff5f5598ce4c86f93f271d2b1001aa7467a9a8e659b9f54063cdb7532a10", kill_on_drop: false }`
[INFO] [stdout] ea32ff5f5598ce4c86f93f271d2b1001aa7467a9a8e659b9f54063cdb7532a10
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8cebe29b4ae442c70e8abbfa9f2eaf6e7bf3995472c42cff2ef40e14d1ce4e6
[INFO] running `Command { std: "docker" "start" "-a" "f8cebe29b4ae442c70e8abbfa9f2eaf6e7bf3995472c42cff2ef40e14d1ce4e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercises-db937d40f83e16f5)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test blog::tests::basic_post ... ok
[INFO] [stdout] test blog::tests::reject ... ok
[INFO] [stdout] test cacher::tests::slice_size ... ok
[INFO] [stdout] test blog::tests::two_reviews ... ok
[INFO] [stdout] test cacher::tests::tuple_argument ... ok
[INFO] [stdout] test cacher::tests::call_with_different_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exercises
[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" "f8cebe29b4ae442c70e8abbfa9f2eaf6e7bf3995472c42cff2ef40e14d1ce4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8cebe29b4ae442c70e8abbfa9f2eaf6e7bf3995472c42cff2ef40e14d1ce4e6", kill_on_drop: false }`
[INFO] [stdout] f8cebe29b4ae442c70e8abbfa9f2eaf6e7bf3995472c42cff2ef40e14d1ce4e6