[INFO] updating cached repository iPTF14hls/rust_sorting_algorithms
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iPTF14hls/rust_sorting_algorithms
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iPTF14hls/rust_sorting_algorithms" "work/ex/beta-1.38-1/sources/1.37.0/gh/iPTF14hls/rust_sorting_algorithms"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iPTF14hls/rust_sorting_algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iPTF14hls/rust_sorting_algorithms" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iPTF14hls/rust_sorting_algorithms"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iPTF14hls/rust_sorting_algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa220b5d409221d7e4b5b3663360ae30037aa5c1
[INFO] sha for GitHub repo iPTF14hls/rust_sorting_algorithms: fa220b5d409221d7e4b5b3663360ae30037aa5c1
[INFO] validating manifest of iPTF14hls/rust_sorting_algorithms 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 iPTF14hls/rust_sorting_algorithms 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 iPTF14hls/rust_sorting_algorithms
[INFO] finished frobbing iPTF14hls/rust_sorting_algorithms
[INFO] frobbed toml for iPTF14hls/rust_sorting_algorithms written to work/ex/beta-1.38-1/sources/1.37.0/gh/iPTF14hls/rust_sorting_algorithms/Cargo.toml
[INFO] started frobbing iPTF14hls/rust_sorting_algorithms
[INFO] finished frobbing iPTF14hls/rust_sorting_algorithms
[INFO] frobbed toml for iPTF14hls/rust_sorting_algorithms written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iPTF14hls/rust_sorting_algorithms/Cargo.toml
[INFO] crate iPTF14hls/rust_sorting_algorithms 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] 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 iPTF14hls/rust_sorting_algorithms 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-7/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/iPTF14hls/rust_sorting_algorithms:/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] 9bc3c3649809844043a968ed16db981dea2a5cfdc67ad8883eb63088f8fd0b5f
[INFO] running `"docker" "start" "-a" "9bc3c3649809844043a968ed16db981dea2a5cfdc67ad8883eb63088f8fd0b5f"`
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling merge_sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `ts`
[INFO] [stderr]  --> src/lib.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod ts;
[INFO] [stderr]   |         ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either ts.rs or ts/mod.rs inside the directory "src"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `merge_sort`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9bc3c3649809844043a968ed16db981dea2a5cfdc67ad8883eb63088f8fd0b5f"`
[INFO] running `"docker" "rm" "-f" "9bc3c3649809844043a968ed16db981dea2a5cfdc67ad8883eb63088f8fd0b5f"`
[INFO] [stdout] 9bc3c3649809844043a968ed16db981dea2a5cfdc67ad8883eb63088f8fd0b5f