[INFO] fetching crate recgen-sys 0.1.2...
[INFO] checking recgen-sys-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate recgen-sys 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate recgen-sys 0.1.2 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 recgen-sys 0.1.2
[INFO] finished tweaking crates.io crate recgen-sys 0.1.2
[INFO] tweaked toml for crates.io crate recgen-sys 0.1.2 written to /workspace/builds/worker-4-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 20 packages
[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 cxxbridge-flags v1.0.120
[INFO] [stderr]   Downloaded link-cplusplus v1.0.9
[INFO] [stderr]   Downloaded scratch v1.0.7
[INFO] [stderr]   Downloaded cxx-build v1.0.120
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.120
[INFO] [stderr]   Downloaded cxx v1.0.120
[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] c6d5bb224ea180cff5bc1477cf57c580ce30fef5bb8424bbf645bcedc3be785c
[INFO] running `Command { std: "docker" "start" "-a" "c6d5bb224ea180cff5bc1477cf57c580ce30fef5bb8424bbf645bcedc3be785c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d5bb224ea180cff5bc1477cf57c580ce30fef5bb8424bbf645bcedc3be785c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d5bb224ea180cff5bc1477cf57c580ce30fef5bb8424bbf645bcedc3be785c", kill_on_drop: false }`
[INFO] [stdout] c6d5bb224ea180cff5bc1477cf57c580ce30fef5bb8424bbf645bcedc3be785c
[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] 5ec6021c0019973d9de665271914702ed6a36addc0644f2f44f36a2dbc6e90b6
[INFO] running `Command { std: "docker" "start" "-a" "5ec6021c0019973d9de665271914702ed6a36addc0644f2f44f36a2dbc6e90b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.120
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling cxx v1.0.120
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cxx-build v1.0.120
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.120
[INFO] [stderr]    Compiling recgen-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: recgen-sys@0.1.2: Set environment variable RECGEN_INCL for header files first
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "5ec6021c0019973d9de665271914702ed6a36addc0644f2f44f36a2dbc6e90b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec6021c0019973d9de665271914702ed6a36addc0644f2f44f36a2dbc6e90b6", kill_on_drop: false }`
[INFO] [stdout] 5ec6021c0019973d9de665271914702ed6a36addc0644f2f44f36a2dbc6e90b6