[INFO] updating cached repository rimmington/fragile
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rimmington/fragile
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rimmington/fragile" "work/ex/beta-1.38-1/sources/1.37.0/gh/rimmington/fragile"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rimmington/fragile'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rimmington/fragile" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rimmington/fragile"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rimmington/fragile'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5856b391ade10146a91a1ce383e747cb5875e5f8
[INFO] sha for GitHub repo rimmington/fragile: 5856b391ade10146a91a1ce383e747cb5875e5f8
[INFO] validating manifest of rimmington/fragile 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 rimmington/fragile 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 rimmington/fragile
[INFO] finished frobbing rimmington/fragile
[INFO] frobbed toml for rimmington/fragile written to work/ex/beta-1.38-1/sources/1.37.0/gh/rimmington/fragile/Cargo.toml
[INFO] started frobbing rimmington/fragile
[INFO] finished frobbing rimmington/fragile
[INFO] frobbed toml for rimmington/fragile written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rimmington/fragile/Cargo.toml
[INFO] crate rimmington/fragile 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] 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] testing rimmington/fragile against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rimmington/fragile:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ed3f79f69fa2b871da6a95d65e1ab50a4c6fc4aca516f15b4668a3ce0f92cd89
[INFO] running `"docker" "start" "-a" "ed3f79f69fa2b871da6a95d65e1ab50a4c6fc4aca516f15b4668a3ce0f92cd89"`
[INFO] [stderr]    Compiling libc v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.3.4
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling strsim v0.3.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling combine v1.3.0
[INFO] [stderr]    Compiling nix v0.6.0
[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 thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling thread_local v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.5.2
[INFO] [stderr]    Compiling regex v0.1.73
[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" "ed3f79f69fa2b871da6a95d65e1ab50a4c6fc4aca516f15b4668a3ce0f92cd89"`
[INFO] running `"docker" "rm" "-f" "ed3f79f69fa2b871da6a95d65e1ab50a4c6fc4aca516f15b4668a3ce0f92cd89"`
[INFO] [stdout] ed3f79f69fa2b871da6a95d65e1ab50a4c6fc4aca516f15b4668a3ce0f92cd89