[INFO] cloning repository https://github.com/joeyrosztoczy/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/joeyrosztoczy/rust-book-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyrosztoczy%2Frust-book-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyrosztoczy%2Frust-book-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 99c769183420d26f6a7a7ddc189099cb0eaf5fee [INFO] testing joeyrosztoczy/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%2Fjoeyrosztoczy%2Frust-book-exercises" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joeyrosztoczy/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/joeyrosztoczy/rust-book-exercises [INFO] finished tweaking git repo https://github.com/joeyrosztoczy/rust-book-exercises [INFO] tweaked toml for git repo https://github.com/joeyrosztoczy/rust-book-exercises written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/joeyrosztoczy/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e9168ac6a47bd292113d7865985e2a0a97efe1bfe58b32dd1a17c37629343d3b [INFO] running `Command { std: "docker" "start" "-a" "e9168ac6a47bd292113d7865985e2a0a97efe1bfe58b32dd1a17c37629343d3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9168ac6a47bd292113d7865985e2a0a97efe1bfe58b32dd1a17c37629343d3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9168ac6a47bd292113d7865985e2a0a97efe1bfe58b32dd1a17c37629343d3b", kill_on_drop: false }` [INFO] [stdout] e9168ac6a47bd292113d7865985e2a0a97efe1bfe58b32dd1a17c37629343d3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 24bb75a2f33632708c068891acfa17c878bb48b1e777a18ba22fce0ec9170ea8 [INFO] running `Command { std: "docker" "start" "-a" "24bb75a2f33632708c068891acfa17c878bb48b1e777a18ba22fce0ec9170ea8", kill_on_drop: false }` [INFO] [stderr] Compiling rust-bk-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.39s [INFO] running `Command { std: "docker" "inspect" "24bb75a2f33632708c068891acfa17c878bb48b1e777a18ba22fce0ec9170ea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24bb75a2f33632708c068891acfa17c878bb48b1e777a18ba22fce0ec9170ea8", kill_on_drop: false }` [INFO] [stdout] 24bb75a2f33632708c068891acfa17c878bb48b1e777a18ba22fce0ec9170ea8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0caa2a6a487b5e76880d67fd20e05bba6f152541722bfb17c147c1f8053eb0a3 [INFO] running `Command { std: "docker" "start" "-a" "0caa2a6a487b5e76880d67fd20e05bba6f152541722bfb17c147c1f8053eb0a3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-bk-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "0caa2a6a487b5e76880d67fd20e05bba6f152541722bfb17c147c1f8053eb0a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0caa2a6a487b5e76880d67fd20e05bba6f152541722bfb17c147c1f8053eb0a3", kill_on_drop: false }` [INFO] [stdout] 0caa2a6a487b5e76880d67fd20e05bba6f152541722bfb17c147c1f8053eb0a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 759bf566a4ce669661f525cbc5b6e08739c7e48d5bd8e0fa8a1a44519875b485 [INFO] running `Command { std: "docker" "start" "-a" "759bf566a4ce669661f525cbc5b6e08739c7e48d5bd8e0fa8a1a44519875b485", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_bk_exercises-570e5f2eb6902465) [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" "759bf566a4ce669661f525cbc5b6e08739c7e48d5bd8e0fa8a1a44519875b485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "759bf566a4ce669661f525cbc5b6e08739c7e48d5bd8e0fa8a1a44519875b485", kill_on_drop: false }` [INFO] [stdout] 759bf566a4ce669661f525cbc5b6e08739c7e48d5bd8e0fa8a1a44519875b485