[INFO] fetching crate broadway 0.1.0...
[INFO] checking broadway-0.1.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate broadway 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate broadway 0.1.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate broadway 0.1.0
[INFO] finished tweaking crates.io crate broadway 0.1.0
[INFO] tweaked toml for crates.io crate broadway 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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] 0d402a8e75ce3a04a5d7a52bff36f1c9bb3c682c0616495224bc0772472d838d
[INFO] running `Command { std: "docker" "start" "-a" "0d402a8e75ce3a04a5d7a52bff36f1c9bb3c682c0616495224bc0772472d838d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d402a8e75ce3a04a5d7a52bff36f1c9bb3c682c0616495224bc0772472d838d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d402a8e75ce3a04a5d7a52bff36f1c9bb3c682c0616495224bc0772472d838d", kill_on_drop: false }`
[INFO] [stdout] 0d402a8e75ce3a04a5d7a52bff36f1c9bb3c682c0616495224bc0772472d838d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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] 5f8bab62d7c5f120ddc11060b11f4af3032c35070d5b59d20419a0408986435e
[INFO] running `Command { std: "docker" "start" "-a" "5f8bab62d7c5f120ddc11060b11f4af3032c35070d5b59d20419a0408986435e", kill_on_drop: false }`
[INFO] [stderr]     Checking broadway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "5f8bab62d7c5f120ddc11060b11f4af3032c35070d5b59d20419a0408986435e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8bab62d7c5f120ddc11060b11f4af3032c35070d5b59d20419a0408986435e", kill_on_drop: false }`
[INFO] [stdout] 5f8bab62d7c5f120ddc11060b11f4af3032c35070d5b59d20419a0408986435e