[INFO] updating cached repository YukenK/du-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/YukenK/du-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/YukenK/du-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/YukenK/du-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/YukenK/du-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/YukenK/du-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YukenK/du-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YukenK/du-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 10f4b3c4afee1ccc26c21ee8c10c2c2ebb3a3536
[INFO] sha for GitHub repo YukenK/du-rust: 10f4b3c4afee1ccc26c21ee8c10c2c2ebb3a3536
[INFO] validating manifest of YukenK/du-rust 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 YukenK/du-rust 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 YukenK/du-rust
[INFO] finished frobbing YukenK/du-rust
[INFO] frobbed toml for YukenK/du-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/YukenK/du-rust/Cargo.toml
[INFO] started frobbing YukenK/du-rust
[INFO] finished frobbing YukenK/du-rust
[INFO] frobbed toml for YukenK/du-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YukenK/du-rust/Cargo.toml
[INFO] crate YukenK/du-rust 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 YukenK/du-rust 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/YukenK/du-rust:/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] 405810d0e913e87b1047edc10b22af976221358b333b4731af3878f206f61d57
[INFO] running `"docker" "start" "-a" "405810d0e913e87b1047edc10b22af976221358b333b4731af3878f206f61d57"`
[INFO] [stderr]    Compiling sfml-build v0.2.0 (https://github.com/JeremyLetang/rust-sfml#36d8f5f2)
[INFO] [stderr]    Compiling widestring v0.4.0
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling csfml-system-sys v0.4.0 (https://github.com/JeremyLetang/rust-sfml#36d8f5f2)
[INFO] [stderr]    Compiling csfml-window-sys v0.4.0 (https://github.com/JeremyLetang/rust-sfml#36d8f5f2)
[INFO] [stderr]    Compiling csfml-graphics-sys v0.4.0 (https://github.com/JeremyLetang/rust-sfml#36d8f5f2)
[INFO] [stderr]    Compiling csfml-audio-sys v0.4.0 (https://github.com/JeremyLetang/rust-sfml#36d8f5f2)
[INFO] [stderr]    Compiling sfml v0.14.0 (https://github.com/JeremyLetang/rust-sfml#36d8f5f2)
[INFO] [stderr]    Compiling dragon_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `packet`
[INFO] [stderr]  --> src/lib.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub mod packet;
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either packet.rs or packet/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 `dragon_world`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "405810d0e913e87b1047edc10b22af976221358b333b4731af3878f206f61d57"`
[INFO] running `"docker" "rm" "-f" "405810d0e913e87b1047edc10b22af976221358b333b4731af3878f206f61d57"`
[INFO] [stdout] 405810d0e913e87b1047edc10b22af976221358b333b4731af3878f206f61d57