[INFO] cloning repository https://github.com/dovidmoshecrow/Nqueens_algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dovidmoshecrow/Nqueens_algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovidmoshecrow%2FNqueens_algorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovidmoshecrow%2FNqueens_algorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c25e571db84032b2a923bb9c7b45f28fd3f33bf
[INFO] checking dovidmoshecrow/Nqueens_algorithm against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovidmoshecrow%2FNqueens_algorithm" "/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/dovidmoshecrow/Nqueens_algorithm on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dovidmoshecrow/Nqueens_algorithm
[INFO] finished tweaking git repo https://github.com/dovidmoshecrow/Nqueens_algorithm
[INFO] tweaked toml for git repo https://github.com/dovidmoshecrow/Nqueens_algorithm written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dovidmoshecrow/Nqueens_algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f8973f862d97fce3de4e641c036d2a3727caf3fa2cb87cd34efb4f0b9d0473c
[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" "0f8973f862d97fce3de4e641c036d2a3727caf3fa2cb87cd34efb4f0b9d0473c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f8973f862d97fce3de4e641c036d2a3727caf3fa2cb87cd34efb4f0b9d0473c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8973f862d97fce3de4e641c036d2a3727caf3fa2cb87cd34efb4f0b9d0473c", kill_on_drop: false }`
[INFO] [stdout] 0f8973f862d97fce3de4e641c036d2a3727caf3fa2cb87cd34efb4f0b9d0473c
[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" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c7ba2df410ac8d7701d6e53de23b438beaed01ba014fc907dbee6ea407aa52f
[INFO] running `Command { std: "docker" "start" "-a" "3c7ba2df410ac8d7701d6e53de23b438beaed01ba014fc907dbee6ea407aa52f", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking queen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "3c7ba2df410ac8d7701d6e53de23b438beaed01ba014fc907dbee6ea407aa52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7ba2df410ac8d7701d6e53de23b438beaed01ba014fc907dbee6ea407aa52f", kill_on_drop: false }`
[INFO] [stdout] 3c7ba2df410ac8d7701d6e53de23b438beaed01ba014fc907dbee6ea407aa52f