[INFO] cloning repository https://github.com/heartyhardy/rust-dfs-fun-stuff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heartyhardy/rust-dfs-fun-stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartyhardy%2Frust-dfs-fun-stuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartyhardy%2Frust-dfs-fun-stuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c59805fd3dc771b46fe92c6a3f5b788cc8b6e13
[INFO] checking heartyhardy/rust-dfs-fun-stuff against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartyhardy%2Frust-dfs-fun-stuff" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heartyhardy/rust-dfs-fun-stuff on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heartyhardy/rust-dfs-fun-stuff
[INFO] finished tweaking git repo https://github.com/heartyhardy/rust-dfs-fun-stuff
[INFO] tweaked toml for git repo https://github.com/heartyhardy/rust-dfs-fun-stuff written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/heartyhardy/rust-dfs-fun-stuff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 463912d0665e7412f42f12732fc3aed573a9a8c20aa567021f15f1bb2e4a9c33
[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" "463912d0665e7412f42f12732fc3aed573a9a8c20aa567021f15f1bb2e4a9c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "463912d0665e7412f42f12732fc3aed573a9a8c20aa567021f15f1bb2e4a9c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463912d0665e7412f42f12732fc3aed573a9a8c20aa567021f15f1bb2e4a9c33", kill_on_drop: false }`
[INFO] [stdout] 463912d0665e7412f42f12732fc3aed573a9a8c20aa567021f15f1bb2e4a9c33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0ff2b21fe1c9e6a304deeab1d42f3408f60e286e4da24c39eb8e36c9c79a07a
[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" "c0ff2b21fe1c9e6a304deeab1d42f3408f60e286e4da24c39eb8e36c9c79a07a", kill_on_drop: false }`
[INFO] [stderr]     Checking dfs-fun-stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "c0ff2b21fe1c9e6a304deeab1d42f3408f60e286e4da24c39eb8e36c9c79a07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ff2b21fe1c9e6a304deeab1d42f3408f60e286e4da24c39eb8e36c9c79a07a", kill_on_drop: false }`
[INFO] [stdout] c0ff2b21fe1c9e6a304deeab1d42f3408f60e286e4da24c39eb8e36c9c79a07a