[INFO] fetching crate prost-serde 0.2.0...
[INFO] testing prost-serde-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate prost-serde 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate prost-serde 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-helper v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2276b0e5a4a5bd5433c50022ec5380cb1619b7c822dee435e5c94c8bbfec928f
[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" "2276b0e5a4a5bd5433c50022ec5380cb1619b7c822dee435e5c94c8bbfec928f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2276b0e5a4a5bd5433c50022ec5380cb1619b7c822dee435e5c94c8bbfec928f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2276b0e5a4a5bd5433c50022ec5380cb1619b7c822dee435e5c94c8bbfec928f", kill_on_drop: false }`
[INFO] [stdout] 2276b0e5a4a5bd5433c50022ec5380cb1619b7c822dee435e5c94c8bbfec928f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a52a66848bb1b759361ff4c411b42ecc717c687e719da8fe4ab6513791e5b2dc
[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" "a52a66848bb1b759361ff4c411b42ecc717c687e719da8fe4ab6513791e5b2dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling prost-serde v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "a52a66848bb1b759361ff4c411b42ecc717c687e719da8fe4ab6513791e5b2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a52a66848bb1b759361ff4c411b42ecc717c687e719da8fe4ab6513791e5b2dc", kill_on_drop: false }`
[INFO] [stdout] a52a66848bb1b759361ff4c411b42ecc717c687e719da8fe4ab6513791e5b2dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b824a53d78134e68f2889d51b9db4c94b9e8e6f072ecc2c6dbcd8bbc2dd4ae9a
[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" "b824a53d78134e68f2889d51b9db4c94b9e8e6f072ecc2c6dbcd8bbc2dd4ae9a", 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 2.51s
[INFO] running `Command { std: "docker" "inspect" "b824a53d78134e68f2889d51b9db4c94b9e8e6f072ecc2c6dbcd8bbc2dd4ae9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b824a53d78134e68f2889d51b9db4c94b9e8e6f072ecc2c6dbcd8bbc2dd4ae9a", kill_on_drop: false }`
[INFO] [stdout] b824a53d78134e68f2889d51b9db4c94b9e8e6f072ecc2c6dbcd8bbc2dd4ae9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 272ce10a7a210ceb3ce69203f0b276f3b4a6ea636c45eed6a306a5645d9ec0aa
[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" "272ce10a7a210ceb3ce69203f0b276f3b4a6ea636c45eed6a306a5645d9ec0aa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prost_serde-4fb79b776e148500)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: 'cargo-fmt' is not installed for the toolchain '1.55.0-x86_64-unknown-linux-gnu'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1.55.0-x86_64-unknown-linux-gnu`
[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 0.66s
[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 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "272ce10a7a210ceb3ce69203f0b276f3b4a6ea636c45eed6a306a5645d9ec0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272ce10a7a210ceb3ce69203f0b276f3b4a6ea636c45eed6a306a5645d9ec0aa", kill_on_drop: false }`
[INFO] [stdout] 272ce10a7a210ceb3ce69203f0b276f3b4a6ea636c45eed6a306a5645d9ec0aa