[INFO] fetching crate signal-hook-tokio 0.3.1...
[INFO] checking signal-hook-tokio-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate signal-hook-tokio 0.3.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate signal-hook-tokio 0.3.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signal-hook-tokio 0.3.1
[INFO] finished tweaking crates.io crate signal-hook-tokio 0.3.1
[INFO] tweaked toml for crates.io crate signal-hook-tokio 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 75 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding serial_test v0.5.1 (latest: v3.0.0)
[INFO] [stderr]       Adding serial_test_derive v0.5.1 (latest: v3.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9a7427eac52f34a3b1b2ac39878f8603dde6f6e4a98d392877514ebe7cafbb2
[INFO] running `Command { std: "docker" "start" "-a" "c9a7427eac52f34a3b1b2ac39878f8603dde6f6e4a98d392877514ebe7cafbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9a7427eac52f34a3b1b2ac39878f8603dde6f6e4a98d392877514ebe7cafbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a7427eac52f34a3b1b2ac39878f8603dde6f6e4a98d392877514ebe7cafbb2", kill_on_drop: false }`
[INFO] [stdout] c9a7427eac52f34a3b1b2ac39878f8603dde6f6e4a98d392877514ebe7cafbb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638aef875ef002b92f6fe8cf982ccabf14ffd6f39429bf2c51e23559222128d4
[INFO] running `Command { std: "docker" "start" "-a" "638aef875ef002b92f6fe8cf982ccabf14ffd6f39429bf2c51e23559222128d4", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking signal-hook-tokio v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "638aef875ef002b92f6fe8cf982ccabf14ffd6f39429bf2c51e23559222128d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638aef875ef002b92f6fe8cf982ccabf14ffd6f39429bf2c51e23559222128d4", kill_on_drop: false }`
[INFO] [stdout] 638aef875ef002b92f6fe8cf982ccabf14ffd6f39429bf2c51e23559222128d4