[INFO] cloning repository https://github.com/choimake/reverse_polish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/choimake/reverse_polish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoimake%2Freverse_polish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoimake%2Freverse_polish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22a229fd49c0ac28a744a5b9f19ac8550e7eda23
[INFO] checking choimake/reverse_polish against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoimake%2Freverse_polish" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/choimake/reverse_polish on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/choimake/reverse_polish
[INFO] finished tweaking git repo https://github.com/choimake/reverse_polish
[INFO] tweaked toml for git repo https://github.com/choimake/reverse_polish written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/choimake/reverse_polish already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba0e0dc596b12ba5f75e5ffd8bba6ce1a8de4c3edb894f4e1000823f2eeb7f32
[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" "ba0e0dc596b12ba5f75e5ffd8bba6ce1a8de4c3edb894f4e1000823f2eeb7f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba0e0dc596b12ba5f75e5ffd8bba6ce1a8de4c3edb894f4e1000823f2eeb7f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0e0dc596b12ba5f75e5ffd8bba6ce1a8de4c3edb894f4e1000823f2eeb7f32", kill_on_drop: false }`
[INFO] [stdout] ba0e0dc596b12ba5f75e5ffd8bba6ce1a8de4c3edb894f4e1000823f2eeb7f32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05b82f80b9a110a2dcff80e9faa026c8b48c89f2bb36c306101cbe22fa3e18a4
[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" "05b82f80b9a110a2dcff80e9faa026c8b48c89f2bb36c306101cbe22fa3e18a4", kill_on_drop: false }`
[INFO] [stderr]     Checking reverse-polish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "05b82f80b9a110a2dcff80e9faa026c8b48c89f2bb36c306101cbe22fa3e18a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b82f80b9a110a2dcff80e9faa026c8b48c89f2bb36c306101cbe22fa3e18a4", kill_on_drop: false }`
[INFO] [stdout] 05b82f80b9a110a2dcff80e9faa026c8b48c89f2bb36c306101cbe22fa3e18a4