[INFO] fetching crate awesome-bot 0.2.0...
[INFO] checking awesome-bot-0.2.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate awesome-bot 0.2.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate awesome-bot 0.2.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate awesome-bot 0.2.0
[INFO] finished tweaking crates.io crate awesome-bot 0.2.0
[INFO] tweaked toml for crates.io crate awesome-bot 0.2.0 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded openssl-sys-extras v0.7.14
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded openssl v0.7.14
[INFO] [stderr]   Downloaded phf v0.7.24
[INFO] [stderr]   Downloaded solicit v0.4.4
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded uuid v0.2.3
[INFO] [stderr]   Downloaded unicode-bidi v0.2.6
[INFO] [stderr]   Downloaded url v0.5.10
[INFO] [stderr]   Downloaded mime v0.1.3
[INFO] [stderr]   Downloaded telegram-bot v0.4.2
[INFO] [stderr]   Downloaded buf_redux v0.1.3
[INFO] [stderr]   Downloaded multipart v0.5.1
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded mime_guess v1.5.0
[INFO] [stderr]   Downloaded hyper v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a924cf64ab1c12dc5ddc9ea01ea66e56faabeffecd39f12920e435fa90069a9f
[INFO] running `Command { std: "docker" "start" "-a" "a924cf64ab1c12dc5ddc9ea01ea66e56faabeffecd39f12920e435fa90069a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a924cf64ab1c12dc5ddc9ea01ea66e56faabeffecd39f12920e435fa90069a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a924cf64ab1c12dc5ddc9ea01ea66e56faabeffecd39f12920e435fa90069a9f", kill_on_drop: false }`
[INFO] [stdout] a924cf64ab1c12dc5ddc9ea01ea66e56faabeffecd39f12920e435fa90069a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd035ebb8dafb47ef673236e4da9bf3cb79e1923dc4d19abcd8969a26b04a1e
[INFO] running `Command { std: "docker" "start" "-a" "6fd035ebb8dafb47ef673236e4da9bf3cb79e1923dc4d19abcd8969a26b04a1e", kill_on_drop: false }`
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "6fd035ebb8dafb47ef673236e4da9bf3cb79e1923dc4d19abcd8969a26b04a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd035ebb8dafb47ef673236e4da9bf3cb79e1923dc4d19abcd8969a26b04a1e", kill_on_drop: false }`
[INFO] [stdout] 6fd035ebb8dafb47ef673236e4da9bf3cb79e1923dc4d19abcd8969a26b04a1e