[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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/hemangandhi/ascii-cam"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/hemangandhi/ascii-cam'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hemangandhi/ascii-cam" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/hemangandhi/ascii-cam"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hemangandhi/ascii-cam on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/hemangandhi/ascii-cam/Cargo.toml
[INFO] crate hemangandhi/ascii-cam already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hemangandhi/ascii-cam against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-7/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 50eba6c1039a0515e8f1695cd828c03a3d2c13319662e005f30123e639ebc476
[INFO] running `"docker" "start" "-a" "50eba6c1039a0515e8f1695cd828c03a3d2c13319662e005f30123e639ebc476"`
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling num-derive v0.2.0
[INFO] [stderr]     Checking image v0.19.0
[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 prefixing with an underscore: `_carl2`
[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: 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 prefixing with an underscore: `_carl2`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `"docker" "inspect" "50eba6c1039a0515e8f1695cd828c03a3d2c13319662e005f30123e639ebc476"`
[INFO] running `"docker" "rm" "-f" "50eba6c1039a0515e8f1695cd828c03a3d2c13319662e005f30123e639ebc476"`
[INFO] [stdout] 50eba6c1039a0515e8f1695cd828c03a3d2c13319662e005f30123e639ebc476