[INFO] updating cached repository partkyle-rust-euler/euler042
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/partkyle-rust-euler/euler042
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/partkyle-rust-euler/euler042" "work/ex/beta-1.38-1/sources/1.37.0/gh/partkyle-rust-euler/euler042"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/partkyle-rust-euler/euler042'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/partkyle-rust-euler/euler042" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/partkyle-rust-euler/euler042"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/partkyle-rust-euler/euler042'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90339ebeee7780b9e0543317303f160f9be31bfa
[INFO] sha for GitHub repo partkyle-rust-euler/euler042: 90339ebeee7780b9e0543317303f160f9be31bfa
[INFO] validating manifest of partkyle-rust-euler/euler042 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 partkyle-rust-euler/euler042 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 partkyle-rust-euler/euler042
[INFO] removed path dependency util from partkyle-rust-euler/euler042
[INFO] finished frobbing partkyle-rust-euler/euler042
[INFO] frobbed toml for partkyle-rust-euler/euler042 written to work/ex/beta-1.38-1/sources/1.37.0/gh/partkyle-rust-euler/euler042/Cargo.toml
[INFO] started frobbing partkyle-rust-euler/euler042
[INFO] removed path dependency util from partkyle-rust-euler/euler042
[INFO] finished frobbing partkyle-rust-euler/euler042
[INFO] frobbed toml for partkyle-rust-euler/euler042 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/partkyle-rust-euler/euler042/Cargo.toml
[INFO] crate partkyle-rust-euler/euler042 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/partkyle-rust-euler/euler042/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 partkyle-rust-euler/euler042 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/partkyle-rust-euler/euler042:/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] ea6cf50551d82f51e80c587b73bfa2562fad1f494554ada48ab275c47bf2c123
[INFO] running `"docker" "start" "-a" "ea6cf50551d82f51e80c587b73bfa2562fad1f494554ada48ab275c47bf2c123"`
[INFO] [stderr] warning: dependency (util) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling util v0.1.2
[INFO] [stderr]    Compiling euler042 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `util::sequences`
[INFO] [stderr]  --> src/main.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use util::sequences::triangle;
[INFO] [stderr]   |           ^^^^^^^^^ could not find `sequences` in `util`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `euler042`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ea6cf50551d82f51e80c587b73bfa2562fad1f494554ada48ab275c47bf2c123"`
[INFO] running `"docker" "rm" "-f" "ea6cf50551d82f51e80c587b73bfa2562fad1f494554ada48ab275c47bf2c123"`
[INFO] [stdout] ea6cf50551d82f51e80c587b73bfa2562fad1f494554ada48ab275c47bf2c123