[INFO] cloning repository https://github.com/TomoProg/rust_osero
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TomoProg/rust_osero" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomoProg%2Frust_osero", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomoProg%2Frust_osero'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2daab48aa5c0a536998c5b6b710f5e03fb4993ee
[INFO] checking TomoProg/rust_osero against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomoProg%2Frust_osero" "/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/TomoProg/rust_osero on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TomoProg/rust_osero
[INFO] finished tweaking git repo https://github.com/TomoProg/rust_osero
[INFO] tweaked toml for git repo https://github.com/TomoProg/rust_osero written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/TomoProg/rust_osero already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] f4f8d73d595ccf5d8ede68f1a7d634fbcd31d9243edb3de1b4925a1948e6dd74
[INFO] running `Command { std: "docker" "start" "-a" "f4f8d73d595ccf5d8ede68f1a7d634fbcd31d9243edb3de1b4925a1948e6dd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f8d73d595ccf5d8ede68f1a7d634fbcd31d9243edb3de1b4925a1948e6dd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f8d73d595ccf5d8ede68f1a7d634fbcd31d9243edb3de1b4925a1948e6dd74", kill_on_drop: false }`
[INFO] [stdout] f4f8d73d595ccf5d8ede68f1a7d634fbcd31d9243edb3de1b4925a1948e6dd74
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 96e843f87c2f5987987faf72e0d35f982c3d2df825cfc294dca8fc98f9c479da
[INFO] running `Command { std: "docker" "start" "-a" "96e843f87c2f5987987faf72e0d35f982c3d2df825cfc294dca8fc98f9c479da", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_osero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "96e843f87c2f5987987faf72e0d35f982c3d2df825cfc294dca8fc98f9c479da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e843f87c2f5987987faf72e0d35f982c3d2df825cfc294dca8fc98f9c479da", kill_on_drop: false }`
[INFO] [stdout] 96e843f87c2f5987987faf72e0d35f982c3d2df825cfc294dca8fc98f9c479da