[INFO] cloning repository https://github.com/asheidan/rusty-mandelbrot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asheidan/rusty-mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasheidan%2Frusty-mandelbrot"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasheidan%2Frusty-mandelbrot'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1827df73d695ca7f1d8c9e8049b150145a8418a
[INFO] checking asheidan/rusty-mandelbrot against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasheidan%2Frusty-mandelbrot" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asheidan/rusty-mandelbrot on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/asheidan/rusty-mandelbrot
[INFO] finished tweaking git repo https://github.com/asheidan/rusty-mandelbrot
[INFO] tweaked toml for git repo https://github.com/asheidan/rusty-mandelbrot written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/asheidan/rusty-mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] e4ccee18858b774587740292eea45ee7a592cfad357b647380c4c760a50e96d6
[INFO] running `"docker" "start" "-a" "e4ccee18858b774587740292eea45ee7a592cfad357b647380c4c760a50e96d6"`
[INFO] [stderr]     Checking rusty-mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ppm.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(file.write(header.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ppm.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         try!(file.write(&self.data));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]  --> src/palette.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 |         0 ... 205 => {
[INFO] [stderr]   |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         205 ... 460 => {
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         460 ... 715 => {
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         715 ... 970 => {
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         970 ... 1125 => {
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |         1125 ... 1175 => {
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:32:14
[INFO] [stderr]    |
[INFO] [stderr] 32 |         1175 ... 1275 => {
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ppm.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(file.write(header.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ppm.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         try!(file.write(&self.data));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]  --> src/palette.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 |         0 ... 205 => {
[INFO] [stderr]   |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         205 ... 460 => {
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         460 ... 715 => {
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         715 ... 970 => {
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         970 ... 1125 => {
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |         1125 ... 1175 => {
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/palette.rs:32:14
[INFO] [stderr]    |
[INFO] [stderr] 32 |         1175 ... 1275 => {
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_pixel`
[INFO] [stderr]   --> src/ppm.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn get_pixel(&self, x: u32, y: u32) -> Option<RGB> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "e4ccee18858b774587740292eea45ee7a592cfad357b647380c4c760a50e96d6"`
[INFO] running `"docker" "rm" "-f" "e4ccee18858b774587740292eea45ee7a592cfad357b647380c4c760a50e96d6"`
[INFO] [stdout] e4ccee18858b774587740292eea45ee7a592cfad357b647380c4c760a50e96d6