[INFO] cloning repository https://github.com/suchapalaver/prost-build-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suchapalaver/prost-build-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuchapalaver%2Fprost-build-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuchapalaver%2Fprost-build-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fd9fd406273d662c03f36da8adc4260d6203927
[INFO] checking suchapalaver/prost-build-example against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuchapalaver%2Fprost-build-example" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suchapalaver/prost-build-example on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suchapalaver/prost-build-example
[INFO] finished tweaking git repo https://github.com/suchapalaver/prost-build-example
[INFO] tweaked toml for git repo https://github.com/suchapalaver/prost-build-example written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/suchapalaver/prost-build-example 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" "+092a284ba0421695f2032c947765429fd7095796" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d137aff0d0bd80f17223a5dc6c8de380d46313d589d4e4d93b2e55da2035a3c
[INFO] running `Command { std: "docker" "start" "-a" "6d137aff0d0bd80f17223a5dc6c8de380d46313d589d4e4d93b2e55da2035a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d137aff0d0bd80f17223a5dc6c8de380d46313d589d4e4d93b2e55da2035a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d137aff0d0bd80f17223a5dc6c8de380d46313d589d4e4d93b2e55da2035a3c", kill_on_drop: false }`
[INFO] [stdout] 6d137aff0d0bd80f17223a5dc6c8de380d46313d589d4e4d93b2e55da2035a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d669b8f95ddf33b209547d0cca661d109d8ee6d1938926fde4f9043e8022dde8
[INFO] running `Command { std: "docker" "start" "-a" "d669b8f95ddf33b209547d0cca661d109d8ee6d1938926fde4f9043e8022dde8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling prost-derive v0.11.0
[INFO] [stderr]    Compiling prost v0.11.0
[INFO] [stderr]    Compiling prost-types v0.11.1
[INFO] [stderr]    Compiling prost-build v0.11.1
[INFO] [stderr]    Compiling snazzy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.92s
[INFO] running `Command { std: "docker" "inspect" "d669b8f95ddf33b209547d0cca661d109d8ee6d1938926fde4f9043e8022dde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d669b8f95ddf33b209547d0cca661d109d8ee6d1938926fde4f9043e8022dde8", kill_on_drop: false }`
[INFO] [stdout] d669b8f95ddf33b209547d0cca661d109d8ee6d1938926fde4f9043e8022dde8