[INFO] fetching crate xtest-data 1.0.0-beta.4...
[INFO] checking xtest-data-1.0.0-beta.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate xtest-data 1.0.0-beta.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate xtest-data 1.0.0-beta.4 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 xtest-data 1.0.0-beta.4
[INFO] finished tweaking crates.io crate xtest-data 1.0.0-beta.4
[INFO] tweaked toml for crates.io crate xtest-data 1.0.0-beta.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate xtest-data 1.0.0-beta.4 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 tinyjson v2.3.0
[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] 0634756bbb704d9ce53d2e9c310eca6b6e1f8ea5edd23c9ef1d36c42e1d1c93f
[INFO] running `Command { std: "docker" "start" "-a" "0634756bbb704d9ce53d2e9c310eca6b6e1f8ea5edd23c9ef1d36c42e1d1c93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0634756bbb704d9ce53d2e9c310eca6b6e1f8ea5edd23c9ef1d36c42e1d1c93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0634756bbb704d9ce53d2e9c310eca6b6e1f8ea5edd23c9ef1d36c42e1d1c93f", kill_on_drop: false }`
[INFO] [stdout] 0634756bbb704d9ce53d2e9c310eca6b6e1f8ea5edd23c9ef1d36c42e1d1c93f
[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] 6a3dcc3f40280830092864acc10e05eaad568c5d7055a7843c5484d12a1f6740
[INFO] running `Command { std: "docker" "start" "-a" "6a3dcc3f40280830092864acc10e05eaad568c5d7055a7843c5484d12a1f6740", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking tinyjson v2.3.0
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking xtest-data v1.0.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "6a3dcc3f40280830092864acc10e05eaad568c5d7055a7843c5484d12a1f6740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3dcc3f40280830092864acc10e05eaad568c5d7055a7843c5484d12a1f6740", kill_on_drop: false }`
[INFO] [stdout] 6a3dcc3f40280830092864acc10e05eaad568c5d7055a7843c5484d12a1f6740
[INFO] checking xtest-data-1.0.0-beta.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate xtest-data 1.0.0-beta.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate xtest-data 1.0.0-beta.4 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 xtest-data 1.0.0-beta.4
[INFO] finished tweaking crates.io crate xtest-data 1.0.0-beta.4
[INFO] tweaked toml for crates.io crate xtest-data 1.0.0-beta.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate xtest-data 1.0.0-beta.4 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9881e5fb24689e272c0111332a92d0c904812a448d8b899b1acbd1101f42c9a4
[INFO] running `Command { std: "docker" "start" "-a" "9881e5fb24689e272c0111332a92d0c904812a448d8b899b1acbd1101f42c9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9881e5fb24689e272c0111332a92d0c904812a448d8b899b1acbd1101f42c9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9881e5fb24689e272c0111332a92d0c904812a448d8b899b1acbd1101f42c9a4", kill_on_drop: false }`
[INFO] [stdout] 9881e5fb24689e272c0111332a92d0c904812a448d8b899b1acbd1101f42c9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eaaf20f0854b647c30cd84aba113710a044f49756a5fb3025baa28031eebb3d7
[INFO] running `Command { std: "docker" "start" "-a" "eaaf20f0854b647c30cd84aba113710a044f49756a5fb3025baa28031eebb3d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking tinyjson v2.3.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking xtest-data v1.0.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "eaaf20f0854b647c30cd84aba113710a044f49756a5fb3025baa28031eebb3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaaf20f0854b647c30cd84aba113710a044f49756a5fb3025baa28031eebb3d7", kill_on_drop: false }`
[INFO] [stdout] eaaf20f0854b647c30cd84aba113710a044f49756a5fb3025baa28031eebb3d7