[INFO] fetching crate grpc-build-core 0.3.0...
[INFO] checking grpc-build-core-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate grpc-build-core 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate grpc-build-core 0.3.0 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 grpc-build-core 0.3.0
[INFO] finished tweaking crates.io crate grpc-build-core 0.3.0
[INFO] tweaked toml for crates.io crate grpc-build-core 0.3.0 written to /workspace/builds/worker-6-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 14 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 grpc-build-derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5e14a604baad890e50a3704c3b24e8852f23098416e313b782bd0bdf184df1a3
[INFO] running `Command { std: "docker" "start" "-a" "5e14a604baad890e50a3704c3b24e8852f23098416e313b782bd0bdf184df1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e14a604baad890e50a3704c3b24e8852f23098416e313b782bd0bdf184df1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e14a604baad890e50a3704c3b24e8852f23098416e313b782bd0bdf184df1a3", kill_on_drop: false }`
[INFO] [stdout] 5e14a604baad890e50a3704c3b24e8852f23098416e313b782bd0bdf184df1a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e4c11a3c43fc79ef206a46ba5175c2fd21f4c6b52f2cb99e7bb6d577d5a8532c
[INFO] running `Command { std: "docker" "start" "-a" "e4c11a3c43fc79ef206a46ba5175c2fd21f4c6b52f2cb99e7bb6d577d5a8532c", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling grpc-build-derive v0.3.0
[INFO] [stderr]    Compiling prost-derive v0.12.4
[INFO] [stderr]     Checking prost v0.12.4
[INFO] [stderr]     Checking prost-types v0.12.4
[INFO] [stderr]     Checking grpc-build-core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.59s
[INFO] running `Command { std: "docker" "inspect" "e4c11a3c43fc79ef206a46ba5175c2fd21f4c6b52f2cb99e7bb6d577d5a8532c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c11a3c43fc79ef206a46ba5175c2fd21f4c6b52f2cb99e7bb6d577d5a8532c", kill_on_drop: false }`
[INFO] [stdout] e4c11a3c43fc79ef206a46ba5175c2fd21f4c6b52f2cb99e7bb6d577d5a8532c