[INFO] updating cached repository gyscos/subpixel
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gyscos/subpixel
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gyscos/subpixel" "work/ex/beta-1.38-1/sources/1.37.0/gh/gyscos/subpixel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gyscos/subpixel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gyscos/subpixel" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gyscos/subpixel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gyscos/subpixel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2dd295ea87be7f2ac7ca4a093519f0391d5f306
[INFO] sha for GitHub repo gyscos/subpixel: a2dd295ea87be7f2ac7ca4a093519f0391d5f306
[INFO] validating manifest of gyscos/subpixel 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 gyscos/subpixel 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 gyscos/subpixel
[INFO] finished frobbing gyscos/subpixel
[INFO] frobbed toml for gyscos/subpixel written to work/ex/beta-1.38-1/sources/1.37.0/gh/gyscos/subpixel/Cargo.toml
[INFO] started frobbing gyscos/subpixel
[INFO] finished frobbing gyscos/subpixel
[INFO] frobbed toml for gyscos/subpixel written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gyscos/subpixel/Cargo.toml
[INFO] crate gyscos/subpixel 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/gyscos/subpixel/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[INFO] the lockfile is outdated, regenerating it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 gyscos/subpixel 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gyscos/subpixel:/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] bfbc22bcb07e76be97e3841e354926dfcca5fbcb83eb53d06cc4062ea2f01375
[INFO] running `"docker" "start" "-a" "bfbc22bcb07e76be97e3841e354926dfcca5fbcb83eb53d06cc4062ea2f01375"`
[INFO] [stderr]    Compiling subpixel v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `image::GenericImage`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use image::GenericImage;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:99:39
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn parse_pattern(string: &str) -> Box<Pattern> {
[INFO] [stderr]    |                                       ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:121:22
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let pattern: Box<Pattern> = match args.next() {
[INFO] [stderr]     |                      ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `image::Rgba<_>` has no field named `data`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let r = image::Rgba{
[INFO] [stderr]    |             ----------- `image::Rgba<_>` is a tuple struct, use the appropriate syntax: `image::Rgba<_>(/* fields */)`
[INFO] [stderr] 15 |         data: [rgba[0],0,0,rgba[3]],
[INFO] [stderr]    |         ^^^^ field does not exist
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `image::Rgba<_>` has no field named `data`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let g = image::Rgba{
[INFO] [stderr]    |             ----------- `image::Rgba<_>` is a tuple struct, use the appropriate syntax: `image::Rgba<_>(/* fields */)`
[INFO] [stderr] 18 |         data: [0,rgba[1],0,rgba[3]],
[INFO] [stderr]    |         ^^^^ field does not exist
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `image::Rgba<_>` has no field named `data`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let b = image::Rgba{
[INFO] [stderr]    |             ----------- `image::Rgba<_>` is a tuple struct, use the appropriate syntax: `image::Rgba<_>(/* fields */)`
[INFO] [stderr] 21 |         data: [0,0,rgba[2],rgba[3]],
[INFO] [stderr]    |         ^^^^ field does not exist
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `image::Rgba<_>` has no field named `data`
[INFO] [stderr]   --> src/main.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let w = image::Rgba{
[INFO] [stderr]    |                     ----------- `image::Rgba<_>` is a tuple struct, use the appropriate syntax: `image::Rgba<_>(/* fields */)`
[INFO] [stderr] 75 |                 data: [brightness, brightness, brightness, rgb[3]],
[INFO] [stderr]    |                 ^^^^ field does not exist
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `image::Rgba<_>` has no field named `data`
[INFO] [stderr]   --> src/main.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let b = image::Rgba {
[INFO] [stderr]    |                         ----------- `image::Rgba<_>` is a tuple struct, use the appropriate syntax: `image::Rgba<_>(/* fields */)`
[INFO] [stderr] 81 |                     data: [0, 0, brightness, rgb[3]],
[INFO] [stderr]    |                     ^^^^ field does not exist
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dimensions` found for type `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:129:24
[INFO] [stderr]     |
[INFO] [stderr] 129 |     let (w,h) = source.dimensions();
[INFO] [stderr]     |                        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 3   | use image::GenericImageView;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `pixels` found for type `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:145:35
[INFO] [stderr]     |
[INFO] [stderr] 145 |     for (k,(x,y,pixel)) in source.pixels().enumerate() {
[INFO] [stderr]     |                                   ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 3   | use image::GenericImageView;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0560, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0560`.
[INFO] [stderr] error: Could not compile `subpixel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bfbc22bcb07e76be97e3841e354926dfcca5fbcb83eb53d06cc4062ea2f01375"`
[INFO] running `"docker" "rm" "-f" "bfbc22bcb07e76be97e3841e354926dfcca5fbcb83eb53d06cc4062ea2f01375"`
[INFO] [stdout] bfbc22bcb07e76be97e3841e354926dfcca5fbcb83eb53d06cc4062ea2f01375