[INFO] updating cached repository mandober/rust-linked-list
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mandober/rust-linked-list
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mandober/rust-linked-list" "work/ex/beta-1.38-1/sources/1.37.0/gh/mandober/rust-linked-list"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mandober/rust-linked-list'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mandober/rust-linked-list" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mandober/rust-linked-list"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mandober/rust-linked-list'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 95b82d634e3f92005f39e72bbdf3a9e86e2d4b50
[INFO] sha for GitHub repo mandober/rust-linked-list: 95b82d634e3f92005f39e72bbdf3a9e86e2d4b50
[INFO] validating manifest of mandober/rust-linked-list 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 mandober/rust-linked-list 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 mandober/rust-linked-list
[INFO] finished frobbing mandober/rust-linked-list
[INFO] frobbed toml for mandober/rust-linked-list written to work/ex/beta-1.38-1/sources/1.37.0/gh/mandober/rust-linked-list/Cargo.toml
[INFO] started frobbing mandober/rust-linked-list
[INFO] finished frobbing mandober/rust-linked-list
[INFO] frobbed toml for mandober/rust-linked-list written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mandober/rust-linked-list/Cargo.toml
[INFO] crate mandober/rust-linked-list 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] testing mandober/rust-linked-list 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mandober/rust-linked-list:/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] e22937af08a6e333fbef2860c584abaeba92c9725ca98d9661c7fbd619a8ed51
[INFO] running `"docker" "start" "-a" "e22937af08a6e333fbef2860c584abaeba92c9725ca98d9661c7fbd619a8ed51"`
[INFO] [stderr]    Compiling listone v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `test`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod test;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either test.rs or test/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 `listone`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e22937af08a6e333fbef2860c584abaeba92c9725ca98d9661c7fbd619a8ed51"`
[INFO] running `"docker" "rm" "-f" "e22937af08a6e333fbef2860c584abaeba92c9725ca98d9661c7fbd619a8ed51"`
[INFO] [stdout] e22937af08a6e333fbef2860c584abaeba92c9725ca98d9661c7fbd619a8ed51