[INFO] fetching crate partial-io 0.5.4...
[INFO] checking partial-io-0.5.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate partial-io 0.5.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate partial-io 0.5.4 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] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate partial-io 0.5.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate partial-io 0.5.4
[INFO] tweaked toml for crates.io crate partial-io 0.5.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate partial-io 0.5.4 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-error v2.0.1
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] [stderr]   Downloaded tokio v1.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 67f2d83408260ae1569e11a85c155f485e950444ea45627648db9ff6f1f7d679
[INFO] running `Command { std: "docker" "start" "-a" "67f2d83408260ae1569e11a85c155f485e950444ea45627648db9ff6f1f7d679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67f2d83408260ae1569e11a85c155f485e950444ea45627648db9ff6f1f7d679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f2d83408260ae1569e11a85c155f485e950444ea45627648db9ff6f1f7d679", kill_on_drop: false }`
[INFO] [stdout] 67f2d83408260ae1569e11a85c155f485e950444ea45627648db9ff6f1f7d679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 475a9be8d39b60d67e9a4dc087ace112592d7ffe4d9493d6da2113daf17d838c
[INFO] running `Command { std: "docker" "start" "-a" "475a9be8d39b60d67e9a4dc087ace112592d7ffe4d9493d6da2113daf17d838c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking partial-io v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "475a9be8d39b60d67e9a4dc087ace112592d7ffe4d9493d6da2113daf17d838c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475a9be8d39b60d67e9a4dc087ace112592d7ffe4d9493d6da2113daf17d838c", kill_on_drop: false }`
[INFO] [stdout] 475a9be8d39b60d67e9a4dc087ace112592d7ffe4d9493d6da2113daf17d838c