[INFO] fetching crate stow 0.2.0...
[INFO] checking stow-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate stow 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate stow 0.2.0 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 stow 0.2.0
[INFO] finished tweaking crates.io crate stow 0.2.0
[INFO] tweaked toml for crates.io crate stow 0.2.0 written to /workspace/builds/worker-6-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]      Locking 27 packages
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41903d90300d62e02c316b1b22decba2f296cdd1213280a36bb34d0a843314a4
[INFO] running `Command { std: "docker" "start" "-a" "41903d90300d62e02c316b1b22decba2f296cdd1213280a36bb34d0a843314a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41903d90300d62e02c316b1b22decba2f296cdd1213280a36bb34d0a843314a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41903d90300d62e02c316b1b22decba2f296cdd1213280a36bb34d0a843314a4", kill_on_drop: false }`
[INFO] [stdout] 41903d90300d62e02c316b1b22decba2f296cdd1213280a36bb34d0a843314a4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a1b255bd3a42f4413e32d60ec1d76cd89a546aa05fbd9da50f03ebf31c24c2a
[INFO] running `Command { std: "docker" "start" "-a" "5a1b255bd3a42f4413e32d60ec1d76cd89a546aa05fbd9da50f03ebf31c24c2a", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking stow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "5a1b255bd3a42f4413e32d60ec1d76cd89a546aa05fbd9da50f03ebf31c24c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1b255bd3a42f4413e32d60ec1d76cd89a546aa05fbd9da50f03ebf31c24c2a", kill_on_drop: false }`
[INFO] [stdout] 5a1b255bd3a42f4413e32d60ec1d76cd89a546aa05fbd9da50f03ebf31c24c2a