[INFO] fetching crate prost-wkt-build 0.5.0...
[INFO] checking prost-wkt-build-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate prost-wkt-build 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate prost-wkt-build 0.5.0 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 prost-wkt-build 0.5.0
[INFO] finished tweaking crates.io crate prost-wkt-build 0.5.0
[INFO] tweaked toml for crates.io crate prost-wkt-build 0.5.0 written to /workspace/builds/worker-0-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 46 packages
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[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-types v0.12.4
[INFO] [stderr]   Downloaded prost v0.12.4
[INFO] [stderr]   Downloaded prost-build v0.12.4
[INFO] [stderr]   Downloaded multimap v0.10.0
[INFO] [stderr]   Downloaded prost-derive v0.12.4
[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] 2a5a71a1a1e5e4620db0ab99bdbe0c2a9770d0e59cfb92d6f74527553f895190
[INFO] running `Command { std: "docker" "start" "-a" "2a5a71a1a1e5e4620db0ab99bdbe0c2a9770d0e59cfb92d6f74527553f895190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a5a71a1a1e5e4620db0ab99bdbe0c2a9770d0e59cfb92d6f74527553f895190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5a71a1a1e5e4620db0ab99bdbe0c2a9770d0e59cfb92d6f74527553f895190", kill_on_drop: false }`
[INFO] [stdout] 2a5a71a1a1e5e4620db0ab99bdbe0c2a9770d0e59cfb92d6f74527553f895190
[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] 336e2f11e6d95bf5a10055647da05027f193f8e1b1b9c3087f6f1775d2073769
[INFO] running `Command { std: "docker" "start" "-a" "336e2f11e6d95bf5a10055647da05027f193f8e1b1b9c3087f6f1775d2073769", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking multimap v0.10.0
[INFO] [stderr]     Checking heck v0.5.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling prost-derive v0.12.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking prost v0.12.4
[INFO] [stderr]     Checking prost-types v0.12.4
[INFO] [stderr]     Checking prost-build v0.12.4
[INFO] [stderr]     Checking prost-wkt-build v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.52s
[INFO] running `Command { std: "docker" "inspect" "336e2f11e6d95bf5a10055647da05027f193f8e1b1b9c3087f6f1775d2073769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336e2f11e6d95bf5a10055647da05027f193f8e1b1b9c3087f6f1775d2073769", kill_on_drop: false }`
[INFO] [stdout] 336e2f11e6d95bf5a10055647da05027f193f8e1b1b9c3087f6f1775d2073769