[INFO] fetching crate killswitch 0.4.0...
[INFO] checking killswitch-0.4.0 against master#1716932743a7b3705cbf0c34db0c4e070ed1930d for pr-109119
[INFO] extracting crate killswitch 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate killswitch 0.4.0 on toolchain 1716932743a7b3705cbf0c34db0c4e070ed1930d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1716932743a7b3705cbf0c34db0c4e070ed1930d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate killswitch 0.4.0
[INFO] finished tweaking crates.io crate killswitch 0.4.0
[INFO] tweaked toml for crates.io crate killswitch 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate killswitch 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1716932743a7b3705cbf0c34db0c4e070ed1930d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iana-time-zone v0.1.47
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+1716932743a7b3705cbf0c34db0c4e070ed1930d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23928882cff8498062e0c259985aab5e8e5b9d0758d7a2cc0fc15e2d6440912f
[INFO] running `Command { std: "docker" "start" "-a" "23928882cff8498062e0c259985aab5e8e5b9d0758d7a2cc0fc15e2d6440912f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23928882cff8498062e0c259985aab5e8e5b9d0758d7a2cc0fc15e2d6440912f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23928882cff8498062e0c259985aab5e8e5b9d0758d7a2cc0fc15e2d6440912f", kill_on_drop: false }`
[INFO] [stdout] 23928882cff8498062e0c259985aab5e8e5b9d0758d7a2cc0fc15e2d6440912f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+1716932743a7b3705cbf0c34db0c4e070ed1930d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b09d71600192b747200bee833704949d93e5777526d55183ceb3cb762bf79e0
[INFO] running `Command { std: "docker" "start" "-a" "4b09d71600192b747200bee833704949d93e5777526d55183ceb3cb762bf79e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]     Checking iana-time-zone v0.1.47
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking killswitch v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "4b09d71600192b747200bee833704949d93e5777526d55183ceb3cb762bf79e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b09d71600192b747200bee833704949d93e5777526d55183ceb3cb762bf79e0", kill_on_drop: false }`
[INFO] [stdout] 4b09d71600192b747200bee833704949d93e5777526d55183ceb3cb762bf79e0