[INFO] fetching crate cargo-mpirun 0.1.8...
[INFO] checking cargo-mpirun-0.1.8 against beta for pr-78714
[INFO] extracting crate cargo-mpirun 0.1.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-mpirun 0.1.8 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 crates.io crate cargo-mpirun 0.1.8
[INFO] finished tweaking crates.io crate cargo-mpirun 0.1.8
[INFO] tweaked toml for crates.io crate cargo-mpirun 0.1.8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cargo-mpirun 0.1.8 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 3d3cc22d4c761b6118f909e46b48a67cc4d4be2deb9c863f35baf3017cb59184
[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" "3d3cc22d4c761b6118f909e46b48a67cc4d4be2deb9c863f35baf3017cb59184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d3cc22d4c761b6118f909e46b48a67cc4d4be2deb9c863f35baf3017cb59184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3cc22d4c761b6118f909e46b48a67cc4d4be2deb9c863f35baf3017cb59184", kill_on_drop: false }`
[INFO] [stdout] 3d3cc22d4c761b6118f909e46b48a67cc4d4be2deb9c863f35baf3017cb59184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] fb4bfa0d9b4d7cf909622c5ddc3c8b456c0e6c3f171866ba71af80639684a1c2
[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" "fb4bfa0d9b4d7cf909622c5ddc3c8b456c0e6c3f171866ba71af80639684a1c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking cargo-mpirun v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.13s
[INFO] running `Command { std: "docker" "inspect" "fb4bfa0d9b4d7cf909622c5ddc3c8b456c0e6c3f171866ba71af80639684a1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4bfa0d9b4d7cf909622c5ddc3c8b456c0e6c3f171866ba71af80639684a1c2", kill_on_drop: false }`
[INFO] [stdout] fb4bfa0d9b4d7cf909622c5ddc3c8b456c0e6c3f171866ba71af80639684a1c2