[INFO] updating cached repository mwalczyk/gray_code_rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mwalczyk/gray_code_rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/gray_code_rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mwalczyk/gray_code_rs"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mwalczyk/gray_code_rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/gray_code_rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mwalczyk/gray_code_rs"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mwalczyk/gray_code_rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5f2f1d79e5be46f0bb24344cc18bdaa3d4d54a2d [INFO] sha for GitHub repo mwalczyk/gray_code_rs: 5f2f1d79e5be46f0bb24344cc18bdaa3d4d54a2d [INFO] validating manifest of mwalczyk/gray_code_rs 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 mwalczyk/gray_code_rs 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 mwalczyk/gray_code_rs [INFO] finished frobbing mwalczyk/gray_code_rs [INFO] frobbed toml for mwalczyk/gray_code_rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mwalczyk/gray_code_rs/Cargo.toml [INFO] started frobbing mwalczyk/gray_code_rs [INFO] finished frobbing mwalczyk/gray_code_rs [INFO] frobbed toml for mwalczyk/gray_code_rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mwalczyk/gray_code_rs/Cargo.toml [INFO] crate mwalczyk/gray_code_rs 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 mwalczyk/gray_code_rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mwalczyk/gray_code_rs:/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] 69f8caae38e934172fc53d39dfb6b82804c4e4fa6208a680472662b1db4c34d9 [INFO] running `"docker" "start" "-a" "69f8caae38e934172fc53d39dfb6b82804c4e4fa6208a680472662b1db4c34d9"` [INFO] [stderr] Checking either v1.3.0 [INFO] [stderr] Checking bitflags v1.0.0 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking coco v0.1.1 [INFO] [stderr] Checking rayon-core v1.2.1 [INFO] [stderr] Checking rayon v0.8.2 [INFO] [stderr] Checking jpeg-decoder v0.1.13 [INFO] [stderr] Checking image v0.17.0 [INFO] [stderr] Checking rust-test v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `orientation` [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let orientation = length; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_orientation` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:41:17 [INFO] [stderr] | [INFO] [stderr] 41 | for (x, y, pixel) in image_buffer.enumerate_pixels_mut() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `HORIZONTAL` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | HORIZONTAL [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `orientation` [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let orientation = length; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_orientation` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:41:17 [INFO] [stderr] | [INFO] [stderr] 41 | for (x, y, pixel) in image_buffer.enumerate_pixels_mut() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `HORIZONTAL` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | HORIZONTAL [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.93s [INFO] running `"docker" "inspect" "69f8caae38e934172fc53d39dfb6b82804c4e4fa6208a680472662b1db4c34d9"` [INFO] running `"docker" "rm" "-f" "69f8caae38e934172fc53d39dfb6b82804c4e4fa6208a680472662b1db4c34d9"` [INFO] [stdout] 69f8caae38e934172fc53d39dfb6b82804c4e4fa6208a680472662b1db4c34d9