[INFO] updating cached repository https://github.com/prewk/img_diff
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] a97fe31a8d313dca2961a9a1d48496d6248262db
[INFO] checking prewk/img_diff against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprewk%2Fimg_diff" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prewk/img_diff on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/prewk/img_diff
[INFO] finished tweaking git repo https://github.com/prewk/img_diff
[INFO] tweaked toml for git repo https://github.com/prewk/img_diff written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/prewk/img_diff already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c1a5519bb45b592d5b4f8efbf5a92eced906df3158f3376aa761cb584b2841b
[INFO] running `"docker" "start" "-a" "4c1a5519bb45b592d5b4f8efbf5a92eced906df3158f3376aa761cb584b2841b"`
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking png v0.16.2
[INFO] [stderr]     Checking image v0.23.3
[INFO] [stderr]     Checking img_diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `image::GenericImage`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use image::GenericImage;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dimensions` found for enum `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:23:34
[INFO] [stderr]     |
[INFO] [stderr] 23  |     let (width1, height1) = img1.dimensions();
[INFO] [stderr]     |                                  ^^^^^^^^^^ method not found in `image::DynamicImage`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.3/./src/image.rs:545:8
[INFO] [stderr]     |
[INFO] [stderr] 545 |     fn dimensions(&self) -> (u32, u32);
[INFO] [stderr]     |        ----------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<image::DynamicImage>` here
[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 `dimensions` found for enum `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:24:34
[INFO] [stderr]     |
[INFO] [stderr] 24  |     let (width2, height2) = img2.dimensions();
[INFO] [stderr]     |                                  ^^^^^^^^^^ method not found in `image::DynamicImage`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.3/./src/image.rs:545:8
[INFO] [stderr]     |
[INFO] [stderr] 545 |     fn dimensions(&self) -> (u32, u32);
[INFO] [stderr]     |        ----------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<image::DynamicImage>` here
[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 `get_pixel` found for enum `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:34:35
[INFO] [stderr]     |
[INFO] [stderr] 34  |                 let pixel1 = img1.get_pixel(x, y);
[INFO] [stderr]     |                                   ^^^^^^^^^ method not found in `image::DynamicImage`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.3/./src/image.rs:575:8
[INFO] [stderr]     |
[INFO] [stderr] 575 |     fn get_pixel(&self, x: u32, y: u32) -> Self::Pixel;
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<image::DynamicImage>` here
[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 `get_pixel` found for enum `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:35:35
[INFO] [stderr]     |
[INFO] [stderr] 35  |                 let pixel2 = img2.get_pixel(x, y);
[INFO] [stderr]     |                                   ^^^^^^^^^ method not found in `image::DynamicImage`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.3/./src/image.rs:575:8
[INFO] [stderr]     |
[INFO] [stderr] 575 |     fn get_pixel(&self, x: u32, y: u32) -> Self::Pixel;
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<image::DynamicImage>` here
[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 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `img_diff`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `image::GenericImage`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use image::GenericImage;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dimensions` found for enum `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:23:34
[INFO] [stderr]     |
[INFO] [stderr] 23  |     let (width1, height1) = img1.dimensions();
[INFO] [stderr]     |                                  ^^^^^^^^^^ method not found in `image::DynamicImage`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.3/./src/image.rs:545:8
[INFO] [stderr]     |
[INFO] [stderr] 545 |     fn dimensions(&self) -> (u32, u32);
[INFO] [stderr]     |        ----------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<image::DynamicImage>` here
[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 `dimensions` found for enum `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:24:34
[INFO] [stderr]     |
[INFO] [stderr] 24  |     let (width2, height2) = img2.dimensions();
[INFO] [stderr]     |                                  ^^^^^^^^^^ method not found in `image::DynamicImage`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.3/./src/image.rs:545:8
[INFO] [stderr]     |
[INFO] [stderr] 545 |     fn dimensions(&self) -> (u32, u32);
[INFO] [stderr]     |        ----------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<image::DynamicImage>` here
[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 `get_pixel` found for enum `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:34:35
[INFO] [stderr]     |
[INFO] [stderr] 34  |                 let pixel1 = img1.get_pixel(x, y);
[INFO] [stderr]     |                                   ^^^^^^^^^ method not found in `image::DynamicImage`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.3/./src/image.rs:575:8
[INFO] [stderr]     |
[INFO] [stderr] 575 |     fn get_pixel(&self, x: u32, y: u32) -> Self::Pixel;
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<image::DynamicImage>` here
[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 `get_pixel` found for enum `image::DynamicImage` in the current scope
[INFO] [stderr]    --> src/main.rs:35:35
[INFO] [stderr]     |
[INFO] [stderr] 35  |                 let pixel2 = img2.get_pixel(x, y);
[INFO] [stderr]     |                                   ^^^^^^^^^ method not found in `image::DynamicImage`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.3/./src/image.rs:575:8
[INFO] [stderr]     |
[INFO] [stderr] 575 |     fn get_pixel(&self, x: u32, y: u32) -> Self::Pixel;
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<image::DynamicImage>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<image::DynamicImage>` here
[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 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `img_diff`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4c1a5519bb45b592d5b4f8efbf5a92eced906df3158f3376aa761cb584b2841b"`
[INFO] running `"docker" "rm" "-f" "4c1a5519bb45b592d5b4f8efbf5a92eced906df3158f3376aa761cb584b2841b"`
[INFO] [stdout] 4c1a5519bb45b592d5b4f8efbf5a92eced906df3158f3376aa761cb584b2841b
