[INFO] fetching crate regexgrep 1.0.3...
[INFO] checking regexgrep-1.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate regexgrep 1.0.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate regexgrep 1.0.3 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 regexgrep 1.0.3
[INFO] finished tweaking crates.io crate regexgrep 1.0.3
[INFO] tweaked toml for crates.io crate regexgrep 1.0.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate regexgrep 1.0.3 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 regex-syntax v0.6.28
[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ca9b71d3bfe7a367d74ee45da394886f2b35c99d6103cfdf618637e70088e519
[INFO] running `Command { std: "docker" "start" "-a" "ca9b71d3bfe7a367d74ee45da394886f2b35c99d6103cfdf618637e70088e519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9b71d3bfe7a367d74ee45da394886f2b35c99d6103cfdf618637e70088e519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9b71d3bfe7a367d74ee45da394886f2b35c99d6103cfdf618637e70088e519", kill_on_drop: false }`
[INFO] [stdout] ca9b71d3bfe7a367d74ee45da394886f2b35c99d6103cfdf618637e70088e519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c420975768118b23f396602139a7cd001c05c39049c93e301dc0dd6b14dd28fe
[INFO] running `Command { std: "docker" "start" "-a" "c420975768118b23f396602139a7cd001c05c39049c93e301dc0dd6b14dd28fe", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking regexgrep v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "c420975768118b23f396602139a7cd001c05c39049c93e301dc0dd6b14dd28fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c420975768118b23f396602139a7cd001c05c39049c93e301dc0dd6b14dd28fe", kill_on_drop: false }`
[INFO] [stdout] c420975768118b23f396602139a7cd001c05c39049c93e301dc0dd6b14dd28fe
[INFO] checking regexgrep-1.0.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate regexgrep 1.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate regexgrep 1.0.3 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regexgrep 1.0.3
[INFO] finished tweaking crates.io crate regexgrep 1.0.3
[INFO] tweaked toml for crates.io crate regexgrep 1.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate regexgrep 1.0.3 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dedb5662848b27607584d62cc30672fe075cf94bffd2d751c40c2892b8b210c
[INFO] running `Command { std: "docker" "start" "-a" "5dedb5662848b27607584d62cc30672fe075cf94bffd2d751c40c2892b8b210c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dedb5662848b27607584d62cc30672fe075cf94bffd2d751c40c2892b8b210c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dedb5662848b27607584d62cc30672fe075cf94bffd2d751c40c2892b8b210c", kill_on_drop: false }`
[INFO] [stdout] 5dedb5662848b27607584d62cc30672fe075cf94bffd2d751c40c2892b8b210c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddf98f6e0b4f4a3b43b211eae341f280cf6636ca8151ccc8240bf1eac4564156
[INFO] running `Command { std: "docker" "start" "-a" "ddf98f6e0b4f4a3b43b211eae341f280cf6636ca8151ccc8240bf1eac4564156", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking regexgrep v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "ddf98f6e0b4f4a3b43b211eae341f280cf6636ca8151ccc8240bf1eac4564156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf98f6e0b4f4a3b43b211eae341f280cf6636ca8151ccc8240bf1eac4564156", kill_on_drop: false }`
[INFO] [stdout] ddf98f6e0b4f4a3b43b211eae341f280cf6636ca8151ccc8240bf1eac4564156