[INFO] updating cached repository laucia/euler-project
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/laucia/euler-project
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/laucia/euler-project" "work/ex/beta-1.38-1/sources/1.37.0/gh/laucia/euler-project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/laucia/euler-project'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/laucia/euler-project" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/laucia/euler-project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/laucia/euler-project'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fffeb6e3bc76a1c6e944d9b0fc70ba730242af5f
[INFO] sha for GitHub repo laucia/euler-project: fffeb6e3bc76a1c6e944d9b0fc70ba730242af5f
[INFO] validating manifest of laucia/euler-project 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 laucia/euler-project 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 laucia/euler-project
[INFO] removed path dependency algorithm from laucia/euler-project
[INFO] finished frobbing laucia/euler-project
[INFO] frobbed toml for laucia/euler-project written to work/ex/beta-1.38-1/sources/1.37.0/gh/laucia/euler-project/Cargo.toml
[INFO] started frobbing laucia/euler-project
[INFO] removed path dependency algorithm from laucia/euler-project
[INFO] finished frobbing laucia/euler-project
[INFO] frobbed toml for laucia/euler-project written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/laucia/euler-project/Cargo.toml
[INFO] crate laucia/euler-project 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/laucia/euler-project/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[INFO] the lockfile is outdated, regenerating it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] [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] testing laucia/euler-project 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-6/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/laucia/euler-project:/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] f3182bb5972df87301f1a52483b17a87cf8a5ce6c49e723042d3f39d5a3b23f7
[INFO] running `"docker" "start" "-a" "f3182bb5972df87301f1a52483b17a87cf8a5ce6c49e723042d3f39d5a3b23f7"`
[INFO] [stderr] warning: dependency (algorithm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling algorithm v0.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling euler v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `algorithm::fibonacci`
[INFO] [stderr]  --> src/bin/2.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use algorithm::fibonacci::fibonacci;
[INFO] [stderr]   |                ^^^^^^^^^ could not find `fibonacci` in `algorithm`
[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 `euler`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `algorithm::prime`
[INFO] [stderr]  --> src/bin/10.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use algorithm::prime::primer;
[INFO] [stderr]   |                ^^^^^ could not find `prime` in `algorithm`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `algorithm::prime`
[INFO] [stderr]  --> src/bin/3.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use algorithm::prime::prime_factorization;
[INFO] [stderr]   |                ^^^^^ could not find `prime` in `algorithm`
[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 `euler`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `euler`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f3182bb5972df87301f1a52483b17a87cf8a5ce6c49e723042d3f39d5a3b23f7"`
[INFO] running `"docker" "rm" "-f" "f3182bb5972df87301f1a52483b17a87cf8a5ce6c49e723042d3f39d5a3b23f7"`
[INFO] [stdout] f3182bb5972df87301f1a52483b17a87cf8a5ce6c49e723042d3f39d5a3b23f7