[INFO] updating cached repository John-Steidley/roller
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/John-Steidley/roller
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/John-Steidley/roller" "work/ex/beta-1.37-6/sources/1.36.0/gh/John-Steidley/roller"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/John-Steidley/roller'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/John-Steidley/roller" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/John-Steidley/roller"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/John-Steidley/roller'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13d8d7143e8f476e22002b8c700ed0c1c9bf48b1
[INFO] sha for GitHub repo John-Steidley/roller: 13d8d7143e8f476e22002b8c700ed0c1c9bf48b1
[INFO] validating manifest of John-Steidley/roller on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of John-Steidley/roller on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing John-Steidley/roller
[INFO] finished frobbing John-Steidley/roller
[INFO] frobbed toml for John-Steidley/roller written to work/ex/beta-1.37-6/sources/1.36.0/gh/John-Steidley/roller/Cargo.toml
[INFO] started frobbing John-Steidley/roller
[INFO] finished frobbing John-Steidley/roller
[INFO] frobbed toml for John-Steidley/roller written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/John-Steidley/roller/Cargo.toml
[INFO] crate John-Steidley/roller already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing John-Steidley/roller against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/John-Steidley/roller:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f7a33746df168def80385b10689a3a4189d98a1d6a6a22444fa8e60865b5220d
[INFO] running `"docker" "start" "-a" "f7a33746df168def80385b10689a3a4189d98a1d6a6a22444fa8e60865b5220d"`
[INFO] [stderr]    Compiling libc v0.2.4
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling rustc-serialize v0.3.16
[INFO] [stderr]    Compiling regex-syntax v0.2.2
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr] error[E0642]: patterns aren't allowed in methods without bodies
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.16/src/serialize.rs:145:45
[INFO] [stderr]     |
[INFO] [stderr] 145 |                                             &f_name: &str,
[INFO] [stderr]     |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling memchr v0.1.7
[INFO] [stderr]    Compiling aho-corasick v0.4.0
[INFO] [stderr]    Compiling time v0.1.34
[INFO] [stderr]    Compiling rand v0.3.12
[INFO] [stderr]    Compiling rust-crypto v0.2.34
[INFO] [stderr]    Compiling regex v0.1.44
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0642`.
[INFO] [stderr] error: Could not compile `rustc-serialize`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f7a33746df168def80385b10689a3a4189d98a1d6a6a22444fa8e60865b5220d"`
[INFO] running `"docker" "rm" "-f" "f7a33746df168def80385b10689a3a4189d98a1d6a6a22444fa8e60865b5220d"`
[INFO] [stdout] f7a33746df168def80385b10689a3a4189d98a1d6a6a22444fa8e60865b5220d