[INFO] updating cached repository pedrosland/prost-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pedrosland/prost-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pedrosland/prost-test" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/pedrosland/prost-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/pedrosland/prost-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pedrosland/prost-test" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/pedrosland/prost-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/pedrosland/prost-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f1e9d3b664d67e5026572c48f41fc84f454502ee
[INFO] sha for GitHub repo pedrosland/prost-test: f1e9d3b664d67e5026572c48f41fc84f454502ee
[INFO] validating manifest of pedrosland/prost-test on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pedrosland/prost-test on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pedrosland/prost-test
[INFO] finished frobbing pedrosland/prost-test
[INFO] frobbed toml for pedrosland/prost-test written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/pedrosland/prost-test/Cargo.toml
[INFO] started frobbing pedrosland/prost-test
[INFO] finished frobbing pedrosland/prost-test
[INFO] frobbed toml for pedrosland/prost-test written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/pedrosland/prost-test/Cargo.toml
[INFO] crate pedrosland/prost-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pedrosland/prost-test against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/pedrosland/prost-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bcf30f3831bee0061bb619b7617077b4dd1e3c9cd99eca2a89c38471f5bf96fd
[INFO] running `"docker" "start" "-a" "bcf30f3831bee0061bb619b7617077b4dd1e3c9cd99eca2a89c38471f5bf96fd"`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Checking prost-types v0.5.0
[INFO] [stderr]    Compiling proc-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected identifier, found `::`
[INFO] [stderr]    --> /opt/crater/target/debug/build/proc-test-20775fa295928a28/out/google.datastore.v1.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     #[derive(Clone, PartialEq, ::prost::Oneof)]
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                expected identifier
[INFO] [stderr]     |                                while parsing this match expression
[INFO] [stderr] 
[INFO] [stderr] error: proc-macro derive produced unparseable tokens
[INFO] [stderr]    --> /opt/crater/target/debug/build/proc-test-20775fa295928a28/out/google.datastore.v1.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     #[derive(Clone, PartialEq, ::prost::Oneof)]
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `proc-test`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected identifier, found `::`
[INFO] [stderr]    --> /opt/crater/target/debug/build/proc-test-20775fa295928a28/out/google.datastore.v1.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     #[derive(Clone, PartialEq, ::prost::Oneof)]
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                expected identifier
[INFO] [stderr]     |                                while parsing this match expression
[INFO] [stderr] 
[INFO] [stderr] error: proc-macro derive produced unparseable tokens
[INFO] [stderr]    --> /opt/crater/target/debug/build/proc-test-20775fa295928a28/out/google.datastore.v1.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     #[derive(Clone, PartialEq, ::prost::Oneof)]
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `proc-test`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bcf30f3831bee0061bb619b7617077b4dd1e3c9cd99eca2a89c38471f5bf96fd"`
[INFO] running `"docker" "rm" "-f" "bcf30f3831bee0061bb619b7617077b4dd1e3c9cd99eca2a89c38471f5bf96fd"`
[INFO] [stdout] bcf30f3831bee0061bb619b7617077b4dd1e3c9cd99eca2a89c38471f5bf96fd