[INFO] updating cached repository hemangandhi/ascii-cam
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hemangandhi/ascii-cam
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hemangandhi/ascii-cam" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/hemangandhi/ascii-cam"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/hemangandhi/ascii-cam'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hemangandhi/ascii-cam" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/hemangandhi/ascii-cam"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/hemangandhi/ascii-cam'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25b998ed9f1c0573b08f3e43da6fb06eb4a6699f
[INFO] sha for GitHub repo hemangandhi/ascii-cam: 25b998ed9f1c0573b08f3e43da6fb06eb4a6699f
[INFO] validating manifest of hemangandhi/ascii-cam on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hemangandhi/ascii-cam on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hemangandhi/ascii-cam
[INFO] finished frobbing hemangandhi/ascii-cam
[INFO] frobbed toml for hemangandhi/ascii-cam written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/hemangandhi/ascii-cam/Cargo.toml
[INFO] started frobbing hemangandhi/ascii-cam
[INFO] finished frobbing hemangandhi/ascii-cam
[INFO] frobbed toml for hemangandhi/ascii-cam written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/hemangandhi/ascii-cam/Cargo.toml
[INFO] crate hemangandhi/ascii-cam has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hemangandhi/ascii-cam against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-5/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/hemangandhi/ascii-cam:/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=forbid" "-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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 56baa9d3275f52a9809b22c8701699211aba111f9f456ae5f625fe2925b6abed
[INFO] running `"docker" "start" "-a" "56baa9d3275f52a9809b22c8701699211aba111f9f456ae5f625fe2925b6abed"`
[INFO] [stderr]     Checking ascii-cam v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `carl2`
[INFO] [stderr]    --> src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     let carl2 = & *(filters::gaussian_blur(7.0));
[INFO] [stderr]     |         ^^^^^ help: consider using `_carl2` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `carl2`
[INFO] [stderr]    --> src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     let carl2 = & *(filters::gaussian_blur(7.0));
[INFO] [stderr]     |         ^^^^^ help: consider using `_carl2` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/filters.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type ImageFilter<P: image::Pixel> = Fn(image::ImageBuffer<P, Vec<P::Subpixel>>) -> image::ImageBuffer<P, Vec<P::Subpixel>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(type_alias_bounds)] on by default
[INFO] [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]   --> src/filters.rs:21:70
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type ImageFilter<P: image::Pixel> = Fn(image::ImageBuffer<P, Vec<P::Subpixel>>) -> image::ImageBuffer<P, Vec<P::Subpixel>>;
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]   --> src/filters.rs:21:114
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type ImageFilter<P: image::Pixel> = Fn(image::ImageBuffer<P, Vec<P::Subpixel>>) -> image::ImageBuffer<P, Vec<P::Subpixel>>;
[INFO] [stderr]    |                                                                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/filters.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type ImageFilter<P: image::Pixel> = Fn(image::ImageBuffer<P, Vec<P::Subpixel>>) -> image::ImageBuffer<P, Vec<P::Subpixel>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(type_alias_bounds)] on by default
[INFO] [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]   --> src/filters.rs:21:70
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type ImageFilter<P: image::Pixel> = Fn(image::ImageBuffer<P, Vec<P::Subpixel>>) -> image::ImageBuffer<P, Vec<P::Subpixel>>;
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]   --> src/filters.rs:21:114
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type ImageFilter<P: image::Pixel> = Fn(image::ImageBuffer<P, Vec<P::Subpixel>>) -> image::ImageBuffer<P, Vec<P::Subpixel>>;
[INFO] [stderr]    |                                                                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "56baa9d3275f52a9809b22c8701699211aba111f9f456ae5f625fe2925b6abed"`
[INFO] running `"docker" "rm" "-f" "56baa9d3275f52a9809b22c8701699211aba111f9f456ae5f625fe2925b6abed"`
[INFO] [stdout] 56baa9d3275f52a9809b22c8701699211aba111f9f456ae5f625fe2925b6abed