[INFO] fetching crate maybe-rayon 0.1.1...
[INFO] checking maybe-rayon-0.1.1 against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118916
[INFO] extracting crate maybe-rayon 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate maybe-rayon 0.1.1 on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maybe-rayon 0.1.1
[INFO] finished tweaking crates.io crate maybe-rayon 0.1.1
[INFO] tweaked toml for crates.io crate maybe-rayon 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e155dfbb8cb95b7e59afe0ca8af318744fa2921baf33bf368aef911ed74d1f
[INFO] running `Command { std: "docker" "start" "-a" "b5e155dfbb8cb95b7e59afe0ca8af318744fa2921baf33bf368aef911ed74d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e155dfbb8cb95b7e59afe0ca8af318744fa2921baf33bf368aef911ed74d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e155dfbb8cb95b7e59afe0ca8af318744fa2921baf33bf368aef911ed74d1f", kill_on_drop: false }`
[INFO] [stdout] b5e155dfbb8cb95b7e59afe0ca8af318744fa2921baf33bf368aef911ed74d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2b8dfc13e00834e73421470990f9c9b8614d1fe9c42fc95dccfb8da8321b8cf
[INFO] running `Command { std: "docker" "start" "-a" "a2b8dfc13e00834e73421470990f9c9b8614d1fe9c42fc95dccfb8da8321b8cf", kill_on_drop: false }`
[INFO] [stderr]     Checking maybe-rayon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "a2b8dfc13e00834e73421470990f9c9b8614d1fe9c42fc95dccfb8da8321b8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b8dfc13e00834e73421470990f9c9b8614d1fe9c42fc95dccfb8da8321b8cf", kill_on_drop: false }`
[INFO] [stdout] a2b8dfc13e00834e73421470990f9c9b8614d1fe9c42fc95dccfb8da8321b8cf
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.