[INFO] updating cached repository kadtewsd/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kadtewsd/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kadtewsd/mandelbrot" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kadtewsd/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kadtewsd/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kadtewsd/mandelbrot" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kadtewsd/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kadtewsd/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9e9400f88652705d13122f7c043490a57f683d4f
[INFO] sha for GitHub repo kadtewsd/mandelbrot: 9e9400f88652705d13122f7c043490a57f683d4f
[INFO] validating manifest of kadtewsd/mandelbrot 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 kadtewsd/mandelbrot 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 kadtewsd/mandelbrot
[INFO] finished frobbing kadtewsd/mandelbrot
[INFO] frobbed toml for kadtewsd/mandelbrot written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kadtewsd/mandelbrot/Cargo.toml
[INFO] started frobbing kadtewsd/mandelbrot
[INFO] finished frobbing kadtewsd/mandelbrot
[INFO] frobbed toml for kadtewsd/mandelbrot written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kadtewsd/mandelbrot/Cargo.toml
[INFO] crate kadtewsd/mandelbrot 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 kadtewsd/mandelbrot against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kadtewsd/mandelbrot:/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] aeed1b2c0dfaab9b7eae12c8a3067bbe82ca07720c2a1685385c3dbab90e4301
[INFO] running `"docker" "start" "-a" "aeed1b2c0dfaab9b7eae12c8a3067bbe82ca07720c2a1685385c3dbab90e4301"`
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `parse_pair`
[INFO] [stderr]  --> src/parsing/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn parse_pair<T: FromStr>(s: &str, separator: char) -> Option<(T, T)> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render`
[INFO] [stderr]   --> src/rendering/mod.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / fn render(pixels: &mut[u8],
[INFO] [stderr] 5  | |           bounds: (usize, usize),
[INFO] [stderr] 6  | |           upper_left: Complex<f64>,
[INFO] [stderr] 7  | |           lower_right: Complex<f64>) {
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render`
[INFO] [stderr]   --> src/rendering/mod.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / fn render(pixels: &mut[u8],
[INFO] [stderr] 5  | |           bounds: (usize, usize),
[INFO] [stderr] 6  | |           upper_left: Complex<f64>,
[INFO] [stderr] 7  | |           lower_right: Complex<f64>) {
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `"docker" "inspect" "aeed1b2c0dfaab9b7eae12c8a3067bbe82ca07720c2a1685385c3dbab90e4301"`
[INFO] running `"docker" "rm" "-f" "aeed1b2c0dfaab9b7eae12c8a3067bbe82ca07720c2a1685385c3dbab90e4301"`
[INFO] [stdout] aeed1b2c0dfaab9b7eae12c8a3067bbe82ca07720c2a1685385c3dbab90e4301