[INFO] fetching crate fastmod 0.4.4...
[INFO] checking fastmod-0.4.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate fastmod 0.4.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fastmod 0.4.4 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] started tweaking crates.io crate fastmod 0.4.4
[INFO] finished tweaking crates.io crate fastmod 0.4.4
[INFO] tweaked toml for crates.io crate fastmod 0.4.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate fastmod 0.4.4 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ignore v0.4.21
[INFO] [stderr]   Downloaded grep v0.2.13
[INFO] [stderr]   Downloaded rprompt v1.0.5
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded grep-matcher v0.1.7
[INFO] [stderr]   Downloaded grep-cli v0.1.10
[INFO] [stderr]   Downloaded grep-regex v0.1.12
[INFO] [stderr]   Downloaded memmap2 v0.9.0
[INFO] [stderr]   Downloaded assert_cmd v1.0.8
[INFO] [stderr]   Downloaded grep-printer v0.1.7
[INFO] [stderr]   Downloaded crossterm v0.24.0
[INFO] [stderr]   Downloaded grep-searcher v0.1.13
[INFO] [stderr]   Downloaded bstr v1.8.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6de418fbff0386e7ab8adee8078ea94a2f239ce3c203e255124b6e0c9867e431
[INFO] running `Command { std: "docker" "start" "-a" "6de418fbff0386e7ab8adee8078ea94a2f239ce3c203e255124b6e0c9867e431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6de418fbff0386e7ab8adee8078ea94a2f239ce3c203e255124b6e0c9867e431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de418fbff0386e7ab8adee8078ea94a2f239ce3c203e255124b6e0c9867e431", kill_on_drop: false }`
[INFO] [stdout] 6de418fbff0386e7ab8adee8078ea94a2f239ce3c203e255124b6e0c9867e431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0d7850067072b40c92547d626a6fc830245603269b822d09cf9ed72fbf6e4b6f
[INFO] running `Command { std: "docker" "start" "-a" "0d7850067072b40c92547d626a6fc830245603269b822d09cf9ed72fbf6e4b6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking grep-matcher v0.1.7
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking memmap2 v0.9.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.24.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking bstr v1.8.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking grep-searcher v0.1.13
[INFO] [stderr]     Checking grep-regex v0.1.12
[INFO] [stderr]     Checking grep-cli v0.1.10
[INFO] [stderr]     Checking ignore v0.4.21
[INFO] [stderr]     Checking grep-printer v0.1.7
[INFO] [stderr]     Checking grep v0.2.13
[INFO] [stderr]     Checking fastmod v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.08s
[INFO] running `Command { std: "docker" "inspect" "0d7850067072b40c92547d626a6fc830245603269b822d09cf9ed72fbf6e4b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7850067072b40c92547d626a6fc830245603269b822d09cf9ed72fbf6e4b6f", kill_on_drop: false }`
[INFO] [stdout] 0d7850067072b40c92547d626a6fc830245603269b822d09cf9ed72fbf6e4b6f