[INFO] updating cached repository Akavall/ProjectEulerRust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Akavall/ProjectEulerRust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Akavall/ProjectEulerRust" "work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/ProjectEulerRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/ProjectEulerRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Akavall/ProjectEulerRust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Akavall/ProjectEulerRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Akavall/ProjectEulerRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db1d655c25c11a92343f9c2b12521bf45165e4d8
[INFO] sha for GitHub repo Akavall/ProjectEulerRust: db1d655c25c11a92343f9c2b12521bf45165e4d8
[INFO] validating manifest of Akavall/ProjectEulerRust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Akavall/ProjectEulerRust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Akavall/ProjectEulerRust
[INFO] finished frobbing Akavall/ProjectEulerRust
[INFO] frobbed toml for Akavall/ProjectEulerRust written to work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/ProjectEulerRust/Cargo.toml
[INFO] started frobbing Akavall/ProjectEulerRust
[INFO] finished frobbing Akavall/ProjectEulerRust
[INFO] frobbed toml for Akavall/ProjectEulerRust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Akavall/ProjectEulerRust/Cargo.toml
[INFO] crate Akavall/ProjectEulerRust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/ProjectEulerRust/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Akavall/ProjectEulerRust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/ProjectEulerRust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0bb8c6ab5f2093b5ccaa6a7be6104a21f1d49dc0bbf8dcfb535f03e7cd894b10
[INFO] running `"docker" "start" "-a" "0bb8c6ab5f2093b5ccaa6a7be6104a21f1d49dc0bbf8dcfb535f03e7cd894b10"`
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `n_primes_under`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | mod n_primes_under;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either n_primes_under.rs or n_primes_under/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 `project_euler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0bb8c6ab5f2093b5ccaa6a7be6104a21f1d49dc0bbf8dcfb535f03e7cd894b10"`
[INFO] running `"docker" "rm" "-f" "0bb8c6ab5f2093b5ccaa6a7be6104a21f1d49dc0bbf8dcfb535f03e7cd894b10"`
[INFO] [stdout] 0bb8c6ab5f2093b5ccaa6a7be6104a21f1d49dc0bbf8dcfb535f03e7cd894b10