[INFO] cloning repository https://github.com/mdbooth/rustbook-chapter8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdbooth/rustbook-chapter8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdbooth%2Frustbook-chapter8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdbooth%2Frustbook-chapter8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] befefb102f5e76695894e5ec88de57b5f1fe3cb2
[INFO] checking mdbooth/rustbook-chapter8 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdbooth%2Frustbook-chapter8" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdbooth/rustbook-chapter8 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdbooth/rustbook-chapter8
[INFO] finished tweaking git repo https://github.com/mdbooth/rustbook-chapter8
[INFO] tweaked toml for git repo https://github.com/mdbooth/rustbook-chapter8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mdbooth/rustbook-chapter8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac100c57868c6adb1ee5d30f088441efb2ace4749865f72123420bae1f3eff94
[INFO] running `Command { std: "docker" "start" "-a" "ac100c57868c6adb1ee5d30f088441efb2ace4749865f72123420bae1f3eff94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac100c57868c6adb1ee5d30f088441efb2ace4749865f72123420bae1f3eff94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac100c57868c6adb1ee5d30f088441efb2ace4749865f72123420bae1f3eff94", kill_on_drop: false }`
[INFO] [stdout] ac100c57868c6adb1ee5d30f088441efb2ace4749865f72123420bae1f3eff94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e108c95e080f4d71d77b46e42a98e7a477ce64f28b959913d1971f697c4fe2c1
[INFO] running `Command { std: "docker" "start" "-a" "e108c95e080f4d71d77b46e42a98e7a477ce64f28b959913d1971f697c4fe2c1", kill_on_drop: false }`
[INFO] [stderr]     Checking chapter8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "e108c95e080f4d71d77b46e42a98e7a477ce64f28b959913d1971f697c4fe2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e108c95e080f4d71d77b46e42a98e7a477ce64f28b959913d1971f697c4fe2c1", kill_on_drop: false }`
[INFO] [stdout] e108c95e080f4d71d77b46e42a98e7a477ce64f28b959913d1971f697c4fe2c1