[INFO] fetching crate linux-support 0.0.25...
[INFO] checking linux-support-0.0.25 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate linux-support 0.0.25 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate linux-support 0.0.25 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 linux-support 0.0.25
[INFO] finished tweaking crates.io crate linux-support 0.0.25
[INFO] tweaked toml for crates.io crate linux-support 0.0.25 written to /workspace/builds/worker-41/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 serde_bytes v0.11.5
[INFO] [stderr]   Downloaded strum_macros v0.19.4
[INFO] [stderr]   Downloaded strum v0.19.5
[INFO] [stderr]   Downloaded const_fn_assert v0.1.2
[INFO] [stderr]   Downloaded serde-big-array v0.3.2
[INFO] [stderr]   Downloaded streaming-iterator v0.1.5
[INFO] [stderr]   Downloaded raw-cpuid v9.1.1
[INFO] [stderr]   Downloaded terminate v0.2.1
[INFO] [stderr]   Downloaded likely v0.2.0
[INFO] [stderr]   Downloaded swiss-army-knife v0.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 9f6bb70969b92e8e631ebba9105435c6cd0361c28df9ba7351588ee040a11a0f
[INFO] running `Command { std: "docker" "start" "-a" "9f6bb70969b92e8e631ebba9105435c6cd0361c28df9ba7351588ee040a11a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6bb70969b92e8e631ebba9105435c6cd0361c28df9ba7351588ee040a11a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6bb70969b92e8e631ebba9105435c6cd0361c28df9ba7351588ee040a11a0f", kill_on_drop: false }`
[INFO] [stdout] 9f6bb70969b92e8e631ebba9105435c6cd0361c28df9ba7351588ee040a11a0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] d254bd09fea1a1c25cf96b0d72b3a637db48f756bea1c8f76c97ddda4f29be53
[INFO] running `Command { std: "docker" "start" "-a" "d254bd09fea1a1c25cf96b0d72b3a637db48f756bea1c8f76c97ddda4f29be53", 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" "d254bd09fea1a1c25cf96b0d72b3a637db48f756bea1c8f76c97ddda4f29be53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d254bd09fea1a1c25cf96b0d72b3a637db48f756bea1c8f76c97ddda4f29be53", kill_on_drop: false }`
[INFO] [stdout] d254bd09fea1a1c25cf96b0d72b3a637db48f756bea1c8f76c97ddda4f29be53