[INFO] cloning repository https://github.com/roebuk/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/roebuk/rust-book-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froebuk%2Frust-book-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froebuk%2Frust-book-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed1ca0fec4682bf21af0cd74ff5b4d6b31a544b8
[INFO] checking roebuk/rust-book-exercises against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froebuk%2Frust-book-exercises" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roebuk/rust-book-exercises on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roebuk/rust-book-exercises
[INFO] finished tweaking git repo https://github.com/roebuk/rust-book-exercises
[INFO] tweaked toml for git repo https://github.com/roebuk/rust-book-exercises written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/roebuk/rust-book-exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8010e8c34f70aa0b34baafbc578af62fbb8f56bc0689aa90d7987c82da370260
[INFO] running `Command { std: "docker" "start" "-a" "8010e8c34f70aa0b34baafbc578af62fbb8f56bc0689aa90d7987c82da370260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8010e8c34f70aa0b34baafbc578af62fbb8f56bc0689aa90d7987c82da370260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8010e8c34f70aa0b34baafbc578af62fbb8f56bc0689aa90d7987c82da370260", kill_on_drop: false }`
[INFO] [stdout] 8010e8c34f70aa0b34baafbc578af62fbb8f56bc0689aa90d7987c82da370260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=forbid" "-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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e96de04cf64eeed4a2d485b7ed704c2c48f244487b760dd35ed5e34a087a6ed
[INFO] running `Command { std: "docker" "start" "-a" "9e96de04cf64eeed4a2d485b7ed704c2c48f244487b760dd35ed5e34a087a6ed", kill_on_drop: false }`
[INFO] [stderr]     Checking rustbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "9e96de04cf64eeed4a2d485b7ed704c2c48f244487b760dd35ed5e34a087a6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e96de04cf64eeed4a2d485b7ed704c2c48f244487b760dd35ed5e34a087a6ed", kill_on_drop: false }`
[INFO] [stdout] 9e96de04cf64eeed4a2d485b7ed704c2c48f244487b760dd35ed5e34a087a6ed