[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#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshuymn-sandbox%2Frust-rpn" "/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/shuymn-sandbox/rust-rpn on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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-5/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" "+c724b67e1b474262917a5154d74e7072267593fe" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc15053ffecd1cbaad54730b7d5ce294333bd2163e52f377d9920fec91bdbbc7
[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" "dc15053ffecd1cbaad54730b7d5ce294333bd2163e52f377d9920fec91bdbbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc15053ffecd1cbaad54730b7d5ce294333bd2163e52f377d9920fec91bdbbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc15053ffecd1cbaad54730b7d5ce294333bd2163e52f377d9920fec91bdbbc7", kill_on_drop: false }`
[INFO] [stdout] dc15053ffecd1cbaad54730b7d5ce294333bd2163e52f377d9920fec91bdbbc7
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 060ba00b0a8fb65585128dbafb221084eefcebaaac1eef00d794f063a870544b
[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" "060ba00b0a8fb65585128dbafb221084eefcebaaac1eef00d794f063a870544b", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "060ba00b0a8fb65585128dbafb221084eefcebaaac1eef00d794f063a870544b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060ba00b0a8fb65585128dbafb221084eefcebaaac1eef00d794f063a870544b", kill_on_drop: false }`
[INFO] [stdout] 060ba00b0a8fb65585128dbafb221084eefcebaaac1eef00d794f063a870544b