[INFO] cloning repository https://github.com/shuymn-sandbox/rust-rpn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shuymn-sandbox/rust-rpn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuymn-sandbox%2Frust-rpn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuymn-sandbox%2Frust-rpn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc3dd54d313bb01b657081ddb57a06fc8473c907
[INFO] checking shuymn-sandbox/rust-rpn against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuymn-sandbox%2Frust-rpn" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shuymn-sandbox/rust-rpn on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shuymn-sandbox/rust-rpn
[INFO] finished tweaking git repo https://github.com/shuymn-sandbox/rust-rpn
[INFO] tweaked toml for git repo https://github.com/shuymn-sandbox/rust-rpn written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/shuymn-sandbox/rust-rpn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cfcc0cc8bb46464905dfb45e7b8989797245d83f95dd9d0016ee9a108ac87d6
[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" "5cfcc0cc8bb46464905dfb45e7b8989797245d83f95dd9d0016ee9a108ac87d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cfcc0cc8bb46464905dfb45e7b8989797245d83f95dd9d0016ee9a108ac87d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfcc0cc8bb46464905dfb45e7b8989797245d83f95dd9d0016ee9a108ac87d6", kill_on_drop: false }`
[INFO] [stdout] 5cfcc0cc8bb46464905dfb45e7b8989797245d83f95dd9d0016ee9a108ac87d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa38f1dfbffb9eda157c82045db897b1fb975ac7ad06168faa105320683f86d8
[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" "aa38f1dfbffb9eda157c82045db897b1fb975ac7ad06168faa105320683f86d8", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "aa38f1dfbffb9eda157c82045db897b1fb975ac7ad06168faa105320683f86d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa38f1dfbffb9eda157c82045db897b1fb975ac7ad06168faa105320683f86d8", kill_on_drop: false }`
[INFO] [stdout] aa38f1dfbffb9eda157c82045db897b1fb975ac7ad06168faa105320683f86d8