[INFO] fetching crate comcigan-rs 1.2.5...
[INFO] checking comcigan-rs-1.2.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate comcigan-rs 1.2.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate comcigan-rs 1.2.5 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 comcigan-rs 1.2.5
[INFO] finished tweaking crates.io crate comcigan-rs 1.2.5
[INFO] tweaked toml for crates.io crate comcigan-rs 1.2.5 written to /workspace/builds/worker-0-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 108 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding fancy-regex v0.8.0 (latest: v0.13.0)
[INFO] [stderr]       Adding gloo-net v0.2.6 (latest: v0.5.0)
[INFO] [stderr]       Adding gloo-utils v0.1.7 (latest: v0.2.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.5
[INFO] [stderr]   Downloaded windows-targets v0.52.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.92
[INFO] [stderr]   Downloaded equivalent v1.0.1
[INFO] [stderr]   Downloaded hermit-abi v0.3.9
[INFO] [stderr]   Downloaded tokio-macros v2.2.0
[INFO] [stderr]   Downloaded http-body v0.4.6
[INFO] [stderr]   Downloaded thiserror-impl v1.0.58
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.42
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded bit-set v0.5.3
[INFO] [stderr]   Downloaded async-trait v0.1.79
[INFO] [stderr]   Downloaded bumpalo v3.15.4
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded fancy-regex v0.8.0
[INFO] [stderr]   Downloaded aho-corasick v1.1.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.92
[INFO] [stderr]   Downloaded regex v1.10.4
[INFO] [stderr]   Downloaded regex-syntax v0.8.3
[INFO] [stderr]   Downloaded regex-automata v0.4.6
[INFO] [stderr]   Downloaded web-sys v0.3.69
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.4
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.4
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.4
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.4
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.4
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.5
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.5
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.5
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.5
[INFO] [stderr]   Downloaded windows-sys v0.52.0
[INFO] [stderr]   Downloaded windows-sys v0.48.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.5
[INFO] [stderr]   Downloaded tokio v1.37.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.4
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.4
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.5
[INFO] [stderr]   Downloaded gimli v0.28.1
[INFO] [stderr]   Downloaded object v0.32.2
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.5
[INFO] [stderr]   Downloaded hyper v0.14.28
[INFO] [stderr]   Downloaded hashbrown v0.14.3
[INFO] [stderr]   Downloaded h2 v0.3.26
[INFO] [stderr]   Downloaded serde_json v1.0.115
[INFO] [stderr]   Downloaded js-sys v0.3.69
[INFO] [stderr]   Downloaded indexmap v2.2.6
[INFO] [stderr]   Downloaded tokio-util v0.7.10
[INFO] [stderr]   Downloaded backtrace v0.3.71
[INFO] [stderr]   Downloaded mio v0.8.11
[INFO] [stderr]   Downloaded addr2line v0.21.0
[INFO] [stderr]   Downloaded redox_syscall v0.4.1
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded socket2 v0.5.6
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.92
[INFO] [stderr]   Downloaded rustc-demangle v0.1.23
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded parking_lot_core v0.9.9
[INFO] [stderr]   Downloaded thiserror v1.0.58
[INFO] [stderr]   Downloaded smallvec v1.13.2
[INFO] [stderr]   Downloaded gloo-utils v0.1.7
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]   Downloaded gloo-net v0.2.6
[INFO] [stderr]   Downloaded lock_api v0.4.11
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.92
[INFO] [stderr]   Downloaded httpdate v1.0.3
[INFO] [stderr]   Downloaded scopeguard v1.2.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.1
[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] 969bb69f2580900ef0e56376cda75ac6e9e0a82d28386c2877da2f6da0f60f19
[INFO] running `Command { std: "docker" "start" "-a" "969bb69f2580900ef0e56376cda75ac6e9e0a82d28386c2877da2f6da0f60f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "969bb69f2580900ef0e56376cda75ac6e9e0a82d28386c2877da2f6da0f60f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969bb69f2580900ef0e56376cda75ac6e9e0a82d28386c2877da2f6da0f60f19", kill_on_drop: false }`
[INFO] [stdout] 969bb69f2580900ef0e56376cda75ac6e9e0a82d28386c2877da2f6da0f60f19
[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] 72dac42d42ba433ee31e9bede5fd2e467a25ffd66a1b4ef3c3535f223b2e445a
[INFO] running `Command { std: "docker" "start" "-a" "72dac42d42ba433ee31e9bede5fd2e467a25ffd66a1b4ef3c3535f223b2e445a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking fancy-regex v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking comcigan-rs v1.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.72s
[INFO] running `Command { std: "docker" "inspect" "72dac42d42ba433ee31e9bede5fd2e467a25ffd66a1b4ef3c3535f223b2e445a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72dac42d42ba433ee31e9bede5fd2e467a25ffd66a1b4ef3c3535f223b2e445a", kill_on_drop: false }`
[INFO] [stdout] 72dac42d42ba433ee31e9bede5fd2e467a25ffd66a1b4ef3c3535f223b2e445a