[INFO] cloning repository https://github.com/d3v1/rustlang-chapter-8-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d3v1/rustlang-chapter-8-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3v1%2Frustlang-chapter-8-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3v1%2Frustlang-chapter-8-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1e9632e6af11d14c22424e59de49d2821784cb2
[INFO] checking d3v1/rustlang-chapter-8-exercises against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3v1%2Frustlang-chapter-8-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/d3v1/rustlang-chapter-8-exercises on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d3v1/rustlang-chapter-8-exercises
[INFO] finished tweaking git repo https://github.com/d3v1/rustlang-chapter-8-exercises
[INFO] tweaked toml for git repo https://github.com/d3v1/rustlang-chapter-8-exercises written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/d3v1/rustlang-chapter-8-exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 358dd6e5467f75da84a01109d5cd8489e65ae03c37cbfea3072d4e94dd39ca53
[INFO] running `Command { std: "docker" "start" "-a" "358dd6e5467f75da84a01109d5cd8489e65ae03c37cbfea3072d4e94dd39ca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "358dd6e5467f75da84a01109d5cd8489e65ae03c37cbfea3072d4e94dd39ca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358dd6e5467f75da84a01109d5cd8489e65ae03c37cbfea3072d4e94dd39ca53", kill_on_drop: false }`
[INFO] [stdout] 358dd6e5467f75da84a01109d5cd8489e65ae03c37cbfea3072d4e94dd39ca53
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2239a0023f68840e1d2162f227f78e681034a7188bc23f7859662b26820ed3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff2239a0023f68840e1d2162f227f78e681034a7188bc23f7859662b26820ed3", kill_on_drop: false }`
[INFO] [stderr]     Checking integers-homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "ff2239a0023f68840e1d2162f227f78e681034a7188bc23f7859662b26820ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2239a0023f68840e1d2162f227f78e681034a7188bc23f7859662b26820ed3", kill_on_drop: false }`
[INFO] [stdout] ff2239a0023f68840e1d2162f227f78e681034a7188bc23f7859662b26820ed3