[INFO] updating cached repository squiidz/lock
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/squiidz/lock
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/squiidz/lock" "work/ex/beta-1.37-6/sources/1.36.0/gh/squiidz/lock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/squiidz/lock'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/squiidz/lock" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/squiidz/lock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/squiidz/lock'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e818710176c7ff4efe49c87c2b998220e5ff7a4f
[INFO] sha for GitHub repo squiidz/lock: e818710176c7ff4efe49c87c2b998220e5ff7a4f
[INFO] validating manifest of squiidz/lock 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 squiidz/lock 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 squiidz/lock
[INFO] finished frobbing squiidz/lock
[INFO] frobbed toml for squiidz/lock written to work/ex/beta-1.37-6/sources/1.36.0/gh/squiidz/lock/Cargo.toml
[INFO] started frobbing squiidz/lock
[INFO] finished frobbing squiidz/lock
[INFO] frobbed toml for squiidz/lock written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/squiidz/lock/Cargo.toml
[INFO] crate squiidz/lock 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 squiidz/lock 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-6/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/squiidz/lock:/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] 4c3f2a733705e1ded999413154d33a312dbf185db6b3c2c146388e4446b790ab
[INFO] running `"docker" "start" "-a" "4c3f2a733705e1ded999413154d33a312dbf185db6b3c2c146388e4446b790ab"`
[INFO] [stderr]    Compiling quote v0.3.5
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling serde v0.8.17
[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-0.3.19/src/serialize.rs:147:45
[INFO] [stderr]     |
[INFO] [stderr] 147 |                                             &f_name: &str,
[INFO] [stderr]     |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v0.9.2
[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" "4c3f2a733705e1ded999413154d33a312dbf185db6b3c2c146388e4446b790ab"`
[INFO] running `"docker" "rm" "-f" "4c3f2a733705e1ded999413154d33a312dbf185db6b3c2c146388e4446b790ab"`
[INFO] [stdout] 4c3f2a733705e1ded999413154d33a312dbf185db6b3c2c146388e4446b790ab