[INFO] fetching crate prost-build 0.8.0...
[INFO] checking prost-build-0.8.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate prost-build 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate prost-build 0.8.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-build 0.8.0
[INFO] finished tweaking crates.io crate prost-build 0.8.0
[INFO] tweaked toml for crates.io crate prost-build 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e46066459b96b75b5858de7957c6bc7a20ae2ba7ed8a9e98ca5d887310c304e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e46066459b96b75b5858de7957c6bc7a20ae2ba7ed8a9e98ca5d887310c304e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e46066459b96b75b5858de7957c6bc7a20ae2ba7ed8a9e98ca5d887310c304e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46066459b96b75b5858de7957c6bc7a20ae2ba7ed8a9e98ca5d887310c304e2", kill_on_drop: false }`
[INFO] [stdout] e46066459b96b75b5858de7957c6bc7a20ae2ba7ed8a9e98ca5d887310c304e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42155190fb648fc4e7b5d2f68836b6fb14e96c0c05bca93cccc6f09942defb84
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "42155190fb648fc4e7b5d2f68836b6fb14e96c0c05bca93cccc6f09942defb84", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling prost-build v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]     Checking prost v0.8.0
[INFO] [stderr]     Checking prost-types v0.8.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "42155190fb648fc4e7b5d2f68836b6fb14e96c0c05bca93cccc6f09942defb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42155190fb648fc4e7b5d2f68836b6fb14e96c0c05bca93cccc6f09942defb84", kill_on_drop: false }`
[INFO] [stdout] 42155190fb648fc4e7b5d2f68836b6fb14e96c0c05bca93cccc6f09942defb84