[INFO] fetching crate gix-attributes 0.20.0...
[INFO] checking gix-attributes-0.20.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gix-attributes 0.20.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate gix-attributes 0.20.0 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 gix-attributes 0.20.0
[INFO] finished tweaking crates.io crate gix-attributes 0.20.0
[INFO] tweaked toml for crates.io crate gix-attributes 0.20.0 written to /workspace/builds/worker-3-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 43 packages
[INFO] [stderr]       Adding gix-features v0.36.1 (latest: v0.38.1)
[INFO] [stderr]       Adding gix-glob v0.14.1 (latest: v0.16.2)
[INFO] [stderr]       Adding gix-hash v0.13.3 (latest: v0.14.2)
[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 gix-quote v0.4.12
[INFO] [stderr]   Downloaded unicode-bom v2.0.3
[INFO] [stderr]   Downloaded gix-glob v0.14.1
[INFO] [stderr]   Downloaded kstring v2.0.0
[INFO] [stderr]   Downloaded gix-utils v0.1.11
[INFO] [stderr]   Downloaded gix-features v0.36.1
[INFO] [stderr]   Downloaded litrs v0.4.1
[INFO] [stderr]   Downloaded document-features v0.2.8
[INFO] [stderr]   Downloaded faster-hex v0.9.0
[INFO] [stderr]   Downloaded gix-hash v0.13.3
[INFO] [stderr]   Downloaded gix-path v0.10.7
[INFO] [stderr]   Downloaded gix-trace v0.1.8
[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] 785927417e295f130ac99497c0badf6963a08a86c87c1ad38fcc2963157a8c5b
[INFO] running `Command { std: "docker" "start" "-a" "785927417e295f130ac99497c0badf6963a08a86c87c1ad38fcc2963157a8c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "785927417e295f130ac99497c0badf6963a08a86c87c1ad38fcc2963157a8c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785927417e295f130ac99497c0badf6963a08a86c87c1ad38fcc2963157a8c5b", kill_on_drop: false }`
[INFO] [stdout] 785927417e295f130ac99497c0badf6963a08a86c87c1ad38fcc2963157a8c5b
[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] cb6ed679c5c354b5e172fbe32bc3f79f7408baa2e15a369c40ab12992ca0f0fb
[INFO] running `Command { std: "docker" "start" "-a" "cb6ed679c5c354b5e172fbe32bc3f79f7408baa2e15a369c40ab12992ca0f0fb", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking gix-trace v0.1.8
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking unicode-bom v2.0.3
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking faster-hex v0.9.0
[INFO] [stderr]     Checking kstring v2.0.0
[INFO] [stderr]     Checking gix-hash v0.13.3
[INFO] [stderr]     Checking gix-features v0.36.1
[INFO] [stderr]     Checking gix-utils v0.1.11
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking gix-path v0.10.7
[INFO] [stderr]     Checking gix-quote v0.4.12
[INFO] [stderr]     Checking gix-glob v0.14.1
[INFO] [stderr]     Checking gix-attributes v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "cb6ed679c5c354b5e172fbe32bc3f79f7408baa2e15a369c40ab12992ca0f0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6ed679c5c354b5e172fbe32bc3f79f7408baa2e15a369c40ab12992ca0f0fb", kill_on_drop: false }`
[INFO] [stdout] cb6ed679c5c354b5e172fbe32bc3f79f7408baa2e15a369c40ab12992ca0f0fb