[INFO] fetching crate cargo-watchdoc 0.2.0...
[INFO] checking cargo-watchdoc-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cargo-watchdoc 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargo-watchdoc 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 cargo-watchdoc 0.2.0
[INFO] finished tweaking crates.io crate cargo-watchdoc 0.2.0
[INFO] tweaked toml for crates.io crate cargo-watchdoc 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-watchdoc 0.2.0 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 proc-macro2 v1.0.68
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[INFO] [stderr]   Downloaded gix-validate v0.7.7
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[INFO] [stderr]   Downloaded tracing-attributes v0.1.26
[INFO] [stderr]   Downloaded cargo-config2 v0.1.12
[INFO] [stderr]   Downloaded cargo-platform v0.1.3
[INFO] [stderr]   Downloaded opener v0.6.1
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[INFO] [stderr]   Downloaded watchexec-signals v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 74bb0a2c3b5914f0192d8296cbcfb8a3cf7ab62e1900e284d6d98c70efad28ce
[INFO] running `Command { std: "docker" "start" "-a" "74bb0a2c3b5914f0192d8296cbcfb8a3cf7ab62e1900e284d6d98c70efad28ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74bb0a2c3b5914f0192d8296cbcfb8a3cf7ab62e1900e284d6d98c70efad28ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bb0a2c3b5914f0192d8296cbcfb8a3cf7ab62e1900e284d6d98c70efad28ce", kill_on_drop: false }`
[INFO] [stdout] 74bb0a2c3b5914f0192d8296cbcfb8a3cf7ab62e1900e284d6d98c70efad28ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 32bfa39987baeb1fd3cb8458c7820d0437f22a221846b00c7144afa55c299436
[INFO] running `Command { std: "docker" "start" "-a" "32bfa39987baeb1fd3cb8458c7820d0437f22a221846b00c7144afa55c299436", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking memchr v2.6.4
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[INFO] [stderr]    Compiling futures-util v0.3.28
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[INFO] [stderr]     Checking cargo_metadata v0.18.0
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[INFO] [stderr]     Checking cargo-config2 v0.1.12
[INFO] [stderr]     Checking watchexec-filterer-ignore v1.2.1
[INFO] [stderr]     Checking watchexec-filterer-globset v1.2.0
[INFO] [stderr]     Checking cargo-watchdoc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.68s
[INFO] running `Command { std: "docker" "inspect" "32bfa39987baeb1fd3cb8458c7820d0437f22a221846b00c7144afa55c299436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bfa39987baeb1fd3cb8458c7820d0437f22a221846b00c7144afa55c299436", kill_on_drop: false }`
[INFO] [stdout] 32bfa39987baeb1fd3cb8458c7820d0437f22a221846b00c7144afa55c299436