[INFO] cloning repository https://github.com/cdeneau23/rpl_chapter_three
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdeneau23/rpl_chapter_three" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdeneau23%2Frpl_chapter_three", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdeneau23%2Frpl_chapter_three'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfa7adb0845b670069ae73f47c4b64035fbf2ad4
[INFO] checking cdeneau23/rpl_chapter_three against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdeneau23%2Frpl_chapter_three" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdeneau23/rpl_chapter_three on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdeneau23/rpl_chapter_three
[INFO] finished tweaking git repo https://github.com/cdeneau23/rpl_chapter_three
[INFO] tweaked toml for git repo https://github.com/cdeneau23/rpl_chapter_three written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cdeneau23/rpl_chapter_three already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b7d99bb9df8039b289febf0b8c93977da392031a214107582e6b9bef4673f6e
[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" "6b7d99bb9df8039b289febf0b8c93977da392031a214107582e6b9bef4673f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b7d99bb9df8039b289febf0b8c93977da392031a214107582e6b9bef4673f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7d99bb9df8039b289febf0b8c93977da392031a214107582e6b9bef4673f6e", kill_on_drop: false }`
[INFO] [stdout] 6b7d99bb9df8039b289febf0b8c93977da392031a214107582e6b9bef4673f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36713e47ebbc1763b0caa3ed8186408fa76c30c40db8c817dc453ce08682c88a
[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" "36713e47ebbc1763b0caa3ed8186408fa76c30c40db8c817dc453ce08682c88a", kill_on_drop: false }`
[INFO] [stderr]     Checking chapter_three_challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "36713e47ebbc1763b0caa3ed8186408fa76c30c40db8c817dc453ce08682c88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36713e47ebbc1763b0caa3ed8186408fa76c30c40db8c817dc453ce08682c88a", kill_on_drop: false }`
[INFO] [stdout] 36713e47ebbc1763b0caa3ed8186408fa76c30c40db8c817dc453ce08682c88a