[INFO] fetching crate ttrpc-compiler 0.6.2...
[INFO] checking ttrpc-compiler-0.6.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ttrpc-compiler 0.6.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ttrpc-compiler 0.6.2 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 ttrpc-compiler 0.6.2
[INFO] finished tweaking crates.io crate ttrpc-compiler 0.6.2
[INFO] tweaked toml for crates.io crate ttrpc-compiler 0.6.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ttrpc-compiler 0.6.2 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 prost-derive v0.8.0
[INFO] [stderr]   Downloaded anyhow v1.0.62
[INFO] [stderr]   Downloaded which v4.2.2
[INFO] [stderr]   Downloaded prost v0.8.0
[INFO] [stderr]   Downloaded prost-types v0.8.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.28.0
[INFO] [stderr]   Downloaded prost-build v0.8.0
[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] 76e29b6e644ac81ffd4559733421e5f509e1b9bd5a15e9f752652e03a5eb8908
[INFO] running `Command { std: "docker" "start" "-a" "76e29b6e644ac81ffd4559733421e5f509e1b9bd5a15e9f752652e03a5eb8908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e29b6e644ac81ffd4559733421e5f509e1b9bd5a15e9f752652e03a5eb8908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e29b6e644ac81ffd4559733421e5f509e1b9bd5a15e9f752652e03a5eb8908", kill_on_drop: false }`
[INFO] [stdout] 76e29b6e644ac81ffd4559733421e5f509e1b9bd5a15e9f752652e03a5eb8908
[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] 477a6d8fe36446fe9abcb3a9c7ad4a2eab372856424fdb1d6fe41e43452a25c8
[INFO] running `Command { std: "docker" "start" "-a" "477a6d8fe36446fe9abcb3a9c7ad4a2eab372856424fdb1d6fe41e43452a25c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking protobuf-codegen v2.28.0
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking prost v0.8.0
[INFO] [stderr]     Checking prost-types v0.8.0
[INFO] [stderr]     Checking ttrpc-compiler v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.93s
[INFO] running `Command { std: "docker" "inspect" "477a6d8fe36446fe9abcb3a9c7ad4a2eab372856424fdb1d6fe41e43452a25c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477a6d8fe36446fe9abcb3a9c7ad4a2eab372856424fdb1d6fe41e43452a25c8", kill_on_drop: false }`
[INFO] [stdout] 477a6d8fe36446fe9abcb3a9c7ad4a2eab372856424fdb1d6fe41e43452a25c8