[INFO] updating cached repository apg/ray
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/apg/ray
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/apg/ray" "work/ex/beta-1.38-1/sources/1.37.0/gh/apg/ray"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/apg/ray'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/apg/ray" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/apg/ray"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/apg/ray'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33e7efafead267941ffd440731542c9bea9c23fb
[INFO] sha for GitHub repo apg/ray: 33e7efafead267941ffd440731542c9bea9c23fb
[INFO] validating manifest of apg/ray 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 apg/ray 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 apg/ray
[INFO] finished frobbing apg/ray
[INFO] frobbed toml for apg/ray written to work/ex/beta-1.38-1/sources/1.37.0/gh/apg/ray/Cargo.toml
[INFO] started frobbing apg/ray
[INFO] finished frobbing apg/ray
[INFO] frobbed toml for apg/ray written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/apg/ray/Cargo.toml
[INFO] crate apg/ray 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/apg/ray/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[INFO] the lockfile is outdated, regenerating it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 apg/ray 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/apg/ray:/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] 13d6bdc172eb384c9e349b16aafb3480fe7df0f913ceed2a78e212d75290052b
[INFO] running `"docker" "start" "-a" "13d6bdc172eb384c9e349b16aafb3480fe7df0f913ceed2a78e212d75290052b"`
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling ray v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `mag`
[INFO] [stderr]   --> src/math.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn mag(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]   --> src/bin/rayray.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let _ = ImageLuma8(img).save(fout, image::PNG).unwrap();
[INFO] [stderr]    |                             ^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0061`.
[INFO] [stderr] error: Could not compile `ray`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "13d6bdc172eb384c9e349b16aafb3480fe7df0f913ceed2a78e212d75290052b"`
[INFO] running `"docker" "rm" "-f" "13d6bdc172eb384c9e349b16aafb3480fe7df0f913ceed2a78e212d75290052b"`
[INFO] [stdout] 13d6bdc172eb384c9e349b16aafb3480fe7df0f913ceed2a78e212d75290052b