[INFO] updating cached repository franleplant/juliaSets.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/franleplant/juliaSets.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/franleplant/juliaSets.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/franleplant/juliaSets.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/franleplant/juliaSets.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/franleplant/juliaSets.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/franleplant/juliaSets.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/franleplant/juliaSets.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2f6378656cfc3a4962dfbf10bdaeee36bd5ed54
[INFO] sha for GitHub repo franleplant/juliaSets.rs: a2f6378656cfc3a4962dfbf10bdaeee36bd5ed54
[INFO] validating manifest of franleplant/juliaSets.rs 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 franleplant/juliaSets.rs 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 franleplant/juliaSets.rs
[INFO] finished frobbing franleplant/juliaSets.rs
[INFO] frobbed toml for franleplant/juliaSets.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/franleplant/juliaSets.rs/Cargo.toml
[INFO] started frobbing franleplant/juliaSets.rs
[INFO] finished frobbing franleplant/juliaSets.rs
[INFO] frobbed toml for franleplant/juliaSets.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/franleplant/juliaSets.rs/Cargo.toml
[INFO] crate franleplant/juliaSets.rs 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 franleplant/juliaSets.rs 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/franleplant/juliaSets.rs:/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] 7e10ad77a68790fcfd0fc9ce18a3446f81eb4547e1b0a112010fb14c1154a993
[INFO] running `"docker" "start" "-a" "7e10ad77a68790fcfd0fc9ce18a3446f81eb4547e1b0a112010fb14c1154a993"`
[INFO] [stderr]    Compiling adler32 v1.0.1
[INFO] [stderr]    Compiling fixedbitset v0.1.7
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling conrod_derive v0.1.0
[INFO] [stderr]    Compiling deflate v0.7.15
[INFO] [stderr]    Compiling petgraph v0.4.5
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling conrod v0.54.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.15.0
[INFO] [stderr]    Compiling fractals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "7e10ad77a68790fcfd0fc9ce18a3446f81eb4547e1b0a112010fb14c1154a993"`
[INFO] running `"docker" "rm" "-f" "7e10ad77a68790fcfd0fc9ce18a3446f81eb4547e1b0a112010fb14c1154a993"`
[INFO] [stdout] 7e10ad77a68790fcfd0fc9ce18a3446f81eb4547e1b0a112010fb14c1154a993
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/franleplant/juliaSets.rs:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 81f08b313c4d4be917339123ec4cf15d9e76865cb9be571ab0a56ba921191407
[INFO] running `"docker" "start" "-a" "81f08b313c4d4be917339123ec4cf15d9e76865cb9be571ab0a56ba921191407"`
[INFO] [stderr]    Compiling fractals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `color_by_index_factory` in this scope
[INFO] [stderr]   --> src/colorizer.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let f = color_by_index_factory(1.0 as f32, 0.0 as f32, 0.7f32, 0.6f32, 0.9f32);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `test_color_by_index_factory`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `fractals`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "81f08b313c4d4be917339123ec4cf15d9e76865cb9be571ab0a56ba921191407"`
[INFO] running `"docker" "rm" "-f" "81f08b313c4d4be917339123ec4cf15d9e76865cb9be571ab0a56ba921191407"`
[INFO] [stdout] 81f08b313c4d4be917339123ec4cf15d9e76865cb9be571ab0a56ba921191407