[INFO] fetching crate strip-ansi-cli 0.0.0...
[INFO] checking strip-ansi-cli-0.0.0 against beta for pr-78714
[INFO] extracting crate strip-ansi-cli 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate strip-ansi-cli 0.0.0 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 strip-ansi-cli 0.0.0
[INFO] finished tweaking crates.io crate strip-ansi-cli 0.0.0
[INFO] tweaked toml for crates.io crate strip-ansi-cli 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate strip-ansi-cli 0.0.0 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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488f90a1b78979267cf74f952d1ea5d0c9f35477e70da7d3f3d614701eebce7f
[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" "488f90a1b78979267cf74f952d1ea5d0c9f35477e70da7d3f3d614701eebce7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488f90a1b78979267cf74f952d1ea5d0c9f35477e70da7d3f3d614701eebce7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488f90a1b78979267cf74f952d1ea5d0c9f35477e70da7d3f3d614701eebce7f", kill_on_drop: false }`
[INFO] [stdout] 488f90a1b78979267cf74f952d1ea5d0c9f35477e70da7d3f3d614701eebce7f
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50fa272a108f973d97a9c25961c07ad3455df27689a5dcf0a8c55b5c9099c7ff
[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" "50fa272a108f973d97a9c25961c07ad3455df27689a5dcf0a8c55b5c9099c7ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking pipe-trait v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking structopt-utilities v0.0.7
[INFO] [stderr]     Checking strip-ansi-cli v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.02s
[INFO] running `Command { std: "docker" "inspect" "50fa272a108f973d97a9c25961c07ad3455df27689a5dcf0a8c55b5c9099c7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50fa272a108f973d97a9c25961c07ad3455df27689a5dcf0a8c55b5c9099c7ff", kill_on_drop: false }`
[INFO] [stdout] 50fa272a108f973d97a9c25961c07ad3455df27689a5dcf0a8c55b5c9099c7ff