[INFO] cloning repository https://github.com/rodrigobotti/rust_the_book_chapter_8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rodrigobotti/rust_the_book_chapter_8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobotti%2Frust_the_book_chapter_8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobotti%2Frust_the_book_chapter_8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ba0d1d6bca87ddff3d3699d427198ac3ff172d6
[INFO] checking rodrigobotti/rust_the_book_chapter_8 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigobotti%2Frust_the_book_chapter_8" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rodrigobotti/rust_the_book_chapter_8 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rodrigobotti/rust_the_book_chapter_8
[INFO] finished tweaking git repo https://github.com/rodrigobotti/rust_the_book_chapter_8
[INFO] tweaked toml for git repo https://github.com/rodrigobotti/rust_the_book_chapter_8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rodrigobotti/rust_the_book_chapter_8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 559f604ae9dbc1fe57636a45c494c74739688f57165bebf02ca50b2db03f5da7
[INFO] running `Command { std: "docker" "start" "-a" "559f604ae9dbc1fe57636a45c494c74739688f57165bebf02ca50b2db03f5da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "559f604ae9dbc1fe57636a45c494c74739688f57165bebf02ca50b2db03f5da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559f604ae9dbc1fe57636a45c494c74739688f57165bebf02ca50b2db03f5da7", kill_on_drop: false }`
[INFO] [stdout] 559f604ae9dbc1fe57636a45c494c74739688f57165bebf02ca50b2db03f5da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32a1581d0a9aa70e0cb46e965b7d3c1bc0e515289aabb8f99c2b0b97aabd4659
[INFO] running `Command { std: "docker" "start" "-a" "32a1581d0a9aa70e0cb46e965b7d3c1bc0e515289aabb8f99c2b0b97aabd4659", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking chapter_eight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "32a1581d0a9aa70e0cb46e965b7d3c1bc0e515289aabb8f99c2b0b97aabd4659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a1581d0a9aa70e0cb46e965b7d3c1bc0e515289aabb8f99c2b0b97aabd4659", kill_on_drop: false }`
[INFO] [stdout] 32a1581d0a9aa70e0cb46e965b7d3c1bc0e515289aabb8f99c2b0b97aabd4659