[INFO] cloning repository https://github.com/minus3theta/copl-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minus3theta/copl-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminus3theta%2Fcopl-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminus3theta%2Fcopl-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f990025abc6d6a96e9f2c8561bbcdc9044773467
[INFO] checking minus3theta/copl-solver against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminus3theta%2Fcopl-solver" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minus3theta/copl-solver on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/minus3theta/copl-solver
[INFO] finished tweaking git repo https://github.com/minus3theta/copl-solver
[INFO] tweaked toml for git repo https://github.com/minus3theta/copl-solver written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/minus3theta/copl-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93ee4bf5f5fb4f170e9dbb7b0ffe2e659cf21e3216a99334e8f0022d3079298a
[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" "93ee4bf5f5fb4f170e9dbb7b0ffe2e659cf21e3216a99334e8f0022d3079298a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ee4bf5f5fb4f170e9dbb7b0ffe2e659cf21e3216a99334e8f0022d3079298a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ee4bf5f5fb4f170e9dbb7b0ffe2e659cf21e3216a99334e8f0022d3079298a", kill_on_drop: false }`
[INFO] [stdout] 93ee4bf5f5fb4f170e9dbb7b0ffe2e659cf21e3216a99334e8f0022d3079298a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] cc2f23fce1e8785a17da9370cc3ee721887c71b3b42a0a873462e5926505437e
[INFO] running `Command { std: "docker" "start" "-a" "cc2f23fce1e8785a17da9370cc3ee721887c71b3b42a0a873462e5926505437e", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.8
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling skeptic v0.9.0
[INFO] [stderr]    Compiling combine-language v3.0.2
[INFO] [stderr]     Checking copl-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.56s
[INFO] running `Command { std: "docker" "inspect" "cc2f23fce1e8785a17da9370cc3ee721887c71b3b42a0a873462e5926505437e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2f23fce1e8785a17da9370cc3ee721887c71b3b42a0a873462e5926505437e", kill_on_drop: false }`
[INFO] [stdout] cc2f23fce1e8785a17da9370cc3ee721887c71b3b42a0a873462e5926505437e