[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/beta-1.38-1/sources/1.37.0/gh/pedrosland/prost-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pedrosland/prost-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pedrosland/prost-test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pedrosland/prost-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pedrosland/prost-test on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing pedrosland/prost-test against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6f6fc17e2f0108dd61a65be6c55e2e67bd38ee8504712bb2adebe058f671838f
[INFO] running `"docker" "start" "-a" "6f6fc17e2f0108dd61a65be6c55e2e67bd38ee8504712bb2adebe058f671838f"`
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling tempfile v3.0.7
[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]    Compiling 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-5cc7aa29b8fd076c/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-5cc7aa29b8fd076c/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" "6f6fc17e2f0108dd61a65be6c55e2e67bd38ee8504712bb2adebe058f671838f"`
[INFO] running `"docker" "rm" "-f" "6f6fc17e2f0108dd61a65be6c55e2e67bd38ee8504712bb2adebe058f671838f"`
[INFO] [stdout] 6f6fc17e2f0108dd61a65be6c55e2e67bd38ee8504712bb2adebe058f671838f