[INFO] updating cached repository https://github.com/thepowersgang/inverse_fft
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7bca22ec676356a9f16caf40e5415329a9b4b6e4
[INFO] testing thepowersgang/inverse_fft against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthepowersgang%2Finverse_fft" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thepowersgang/inverse_fft on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/thepowersgang/inverse_fft
[INFO] finished tweaking git repo https://github.com/thepowersgang/inverse_fft
[INFO] tweaked toml for git repo https://github.com/thepowersgang/inverse_fft written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/thepowersgang/inverse_fft already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] acd3370b59d7c1cc6e6e85f1875e6e3cd8c13dd57e517bfd9174ee85f367d311
[INFO] running `"docker" "start" "-a" "acd3370b59d7c1cc6e6e85f1875e6e3cd8c13dd57e517bfd9174ee85f367d311"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling env_logger v0.7.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling inv_fft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let legend = (-140.0 .. -25.0);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let frequencies = (10.0 .. 5500.0);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:21:53
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let fs = image_to_frequencies(&image, frequencies, (0.0 .. max_time), legend );
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::std::io::Write`
[INFO] [stderr]   --> src/main.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 |             use ::std::io::Write;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::GenericImage`
[INFO] [stderr]   --> src/main.rs:67:6
[INFO] [stderr]    |
[INFO] [stderr] 67 |     use image::GenericImage;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:166:14
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 for i in (0 .. interpolation_count) {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:174:13
[INFO] [stderr]     |
[INFO] [stderr] 174 |             for i in (start .. end)
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:183:14
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 for j in (0 .. interpolation_count) {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `unwrap` found for type `()` in the current scope
[INFO] [stderr]   --> src/main.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |     env_logger::init().unwrap();
[INFO] [stderr]    |                        ^^^^^^ method not found in `()`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `std::fs::File: std::io::BufRead` is not satisfied
[INFO] [stderr]   --> src/main.rs:72:23
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let pi = image::load(::std::fs::File::open("input.png").unwrap(), image::ImageFormat::PNG).unwrap();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::io::BufRead` is not implemented for `std::fs::File`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.22.3/./src/io/free_functions.rs:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn load<R: BufRead + Seek>(r: R, format: ImageFormat) -> ImageResult<DynamicImage> {
[INFO] [stderr]    |                ------- required by this bound in `image::load`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `width` found for type `image::DynamicImage` in the current scope
[INFO] [stderr]   --> src/main.rs:75:42
[INFO] [stderr]    |
[INFO] [stderr] 75 |         data: ::std::iter::repeat(0).take( (pi.width()*pi.height()) as usize ).collect(),
[INFO] [stderr]    |                                                ^^^^^ method not found in `image::DynamicImage`
[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] 10 | use image::GenericImageView;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `height` found for type `image::DynamicImage` in the current scope
[INFO] [stderr]   --> src/main.rs:75:53
[INFO] [stderr]    |
[INFO] [stderr] 75 |         data: ::std::iter::repeat(0).take( (pi.width()*pi.height()) as usize ).collect(),
[INFO] [stderr]    |                                                           ^^^^^^ method not found in `image::DynamicImage`
[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] 10 | use image::GenericImageView;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `width` found for type `image::DynamicImage` in the current scope
[INFO] [stderr]   --> src/main.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         width: pi.width() as usize,
[INFO] [stderr]    |                   ^^^^^ method not found in `image::DynamicImage`
[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] 10 | 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:79:15
[INFO] [stderr]    |
[INFO] [stderr] 79 |     for px in pi.pixels()
[INFO] [stderr]    |                  ^^^^^^ method not found in `image::DynamicImage`
[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] 10 | use image::GenericImageView;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `width` found for type `image::DynamicImage` in the current scope
[INFO] [stderr]   --> src/main.rs:81:31
[INFO] [stderr]    |
[INFO] [stderr] 81 |         ret.data[ (px.0 + px.1 * pi.width()) as usize ] = px.2.to_luma().data[0];
[INFO] [stderr]    |                                     ^^^^^ method not found in `image::DynamicImage`
[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] 10 | use image::GenericImageView;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::Pixel`
[INFO] [stderr]   --> src/main.rs:68:6
[INFO] [stderr]    |
[INFO] [stderr] 68 |     use image::Pixel;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `inv_fft`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "acd3370b59d7c1cc6e6e85f1875e6e3cd8c13dd57e517bfd9174ee85f367d311"`
[INFO] running `"docker" "rm" "-f" "acd3370b59d7c1cc6e6e85f1875e6e3cd8c13dd57e517bfd9174ee85f367d311"`
[INFO] [stdout] acd3370b59d7c1cc6e6e85f1875e6e3cd8c13dd57e517bfd9174ee85f367d311