[INFO] fetching crate mq-workload-generator 0.1.0...
[INFO] checking mq-workload-generator-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mq-workload-generator 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mq-workload-generator 0.1.0 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 mq-workload-generator 0.1.0
[INFO] finished tweaking crates.io crate mq-workload-generator 0.1.0
[INFO] tweaked toml for crates.io crate mq-workload-generator 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mq-workload-generator 0.1.0 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
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bc24165faa20d3d18679fda5fc2d922ec933fb53fc24c13056e8b97c763b614c
[INFO] running `Command { std: "docker" "start" "-a" "bc24165faa20d3d18679fda5fc2d922ec933fb53fc24c13056e8b97c763b614c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc24165faa20d3d18679fda5fc2d922ec933fb53fc24c13056e8b97c763b614c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc24165faa20d3d18679fda5fc2d922ec933fb53fc24c13056e8b97c763b614c", kill_on_drop: false }`
[INFO] [stdout] bc24165faa20d3d18679fda5fc2d922ec933fb53fc24c13056e8b97c763b614c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b75c0beea603c37d6689e7777a587720ef5b5af570e395c613c2fcaced9e6653
[INFO] running `Command { std: "docker" "start" "-a" "b75c0beea603c37d6689e7777a587720ef5b5af570e395c613c2fcaced9e6653", kill_on_drop: false }`
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[INFO] [stderr]     Checking mq-workload-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "b75c0beea603c37d6689e7777a587720ef5b5af570e395c613c2fcaced9e6653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75c0beea603c37d6689e7777a587720ef5b5af570e395c613c2fcaced9e6653", kill_on_drop: false }`
[INFO] [stdout] b75c0beea603c37d6689e7777a587720ef5b5af570e395c613c2fcaced9e6653