[INFO] fetching crate prost-serde 0.2.0...
[INFO] testing prost-serde-0.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate prost-serde 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate prost-serde 0.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-serde 0.2.0
[INFO] finished tweaking crates.io crate prost-serde 0.2.0
[INFO] tweaked toml for crates.io crate prost-serde 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54c01a91841e457b73f76979dacf22ed11820cfc1f79c1640d844b254b5f04c0
[INFO] running `Command { std: "docker" "start" "-a" "54c01a91841e457b73f76979dacf22ed11820cfc1f79c1640d844b254b5f04c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54c01a91841e457b73f76979dacf22ed11820cfc1f79c1640d844b254b5f04c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c01a91841e457b73f76979dacf22ed11820cfc1f79c1640d844b254b5f04c0", kill_on_drop: false }`
[INFO] [stdout] 54c01a91841e457b73f76979dacf22ed11820cfc1f79c1640d844b254b5f04c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f4fe02ef7ed4c140b654d5dc654cf470b254c22d764299c8da73f59761c1d5
[INFO] running `Command { std: "docker" "start" "-a" "73f4fe02ef7ed4c140b654d5dc654cf470b254c22d764299c8da73f59761c1d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling prost-serde v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.50s
[INFO] running `Command { std: "docker" "inspect" "73f4fe02ef7ed4c140b654d5dc654cf470b254c22d764299c8da73f59761c1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f4fe02ef7ed4c140b654d5dc654cf470b254c22d764299c8da73f59761c1d5", kill_on_drop: false }`
[INFO] [stdout] 73f4fe02ef7ed4c140b654d5dc654cf470b254c22d764299c8da73f59761c1d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c500d917a631792128a6c052416c78948f15d8cc7dbfa3da6576606aff3b664
[INFO] running `Command { std: "docker" "start" "-a" "7c500d917a631792128a6c052416c78948f15d8cc7dbfa3da6576606aff3b664", kill_on_drop: false }`
[INFO] [stderr]    Compiling prost-helper v0.4.0
[INFO] [stderr]    Compiling prost-serde v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "7c500d917a631792128a6c052416c78948f15d8cc7dbfa3da6576606aff3b664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c500d917a631792128a6c052416c78948f15d8cc7dbfa3da6576606aff3b664", kill_on_drop: false }`
[INFO] [stdout] 7c500d917a631792128a6c052416c78948f15d8cc7dbfa3da6576606aff3b664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8eccec5db6ca17cfb9880bb3352061dbfc07b3e6c70e496869ad46ea10fdfd47
[INFO] running `Command { std: "docker" "start" "-a" "8eccec5db6ca17cfb9880bb3352061dbfc07b3e6c70e496869ad46ea10fdfd47", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prost_serde-97b1493f9aeb57bc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: 'cargo-fmt' is not installed for the toolchain '432e145bd5a974c5b6f4dd9b352891bd7502b69d'
[INFO] [stderr] note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr] help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stdout] test tests::generate_serde_supported_code ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prost-serde
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 16) ... ignored
[INFO] [stdout] test src/lib.rs - (line 36) ... ignored
[INFO] [stdout] test src/lib.rs - (line 9) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8eccec5db6ca17cfb9880bb3352061dbfc07b3e6c70e496869ad46ea10fdfd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eccec5db6ca17cfb9880bb3352061dbfc07b3e6c70e496869ad46ea10fdfd47", kill_on_drop: false }`
[INFO] [stdout] 8eccec5db6ca17cfb9880bb3352061dbfc07b3e6c70e496869ad46ea10fdfd47