[INFO] cloning repository tylerreisinger/sprite-atlas
[INFO] running `"git" "clone" "--bare" "git://github.com/tylerreisinger/sprite-atlas.git" "work/cache/sources/gh/tylerreisinger/sprite-atlas"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tylerreisinger/sprite-atlas'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tylerreisinger/sprite-atlas" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tylerreisinger/sprite-atlas"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tylerreisinger/sprite-atlas'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tylerreisinger/sprite-atlas" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tylerreisinger/sprite-atlas"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tylerreisinger/sprite-atlas'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0cd33afe97009c1c5513fa89ec40c272db96ed1f
[INFO] sha for GitHub repo tylerreisinger/sprite-atlas: 0cd33afe97009c1c5513fa89ec40c272db96ed1f
[INFO] validating manifest of tylerreisinger/sprite-atlas on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tylerreisinger/sprite-atlas on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tylerreisinger/sprite-atlas
[INFO] finished frobbing tylerreisinger/sprite-atlas
[INFO] frobbed toml for tylerreisinger/sprite-atlas written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tylerreisinger/sprite-atlas/Cargo.toml
[INFO] started frobbing tylerreisinger/sprite-atlas
[INFO] finished frobbing tylerreisinger/sprite-atlas
[INFO] frobbed toml for tylerreisinger/sprite-atlas written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tylerreisinger/sprite-atlas/Cargo.toml
[INFO] crate tylerreisinger/sprite-atlas already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tylerreisinger/sprite-atlas against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tylerreisinger/sprite-atlas:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b796a970dc5b5b08ea873f2c8ae043d1df93156f2b901990322ac89267e4caf2
[INFO] running `"docker" "start" "-a" "b796a970dc5b5b08ea873f2c8ae043d1df93156f2b901990322ac89267e4caf2"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking texture_atlas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/render.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |     for x in (region.left..region.left+region.width) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/render.rs:40:14
[INFO] [stderr]    |
[INFO] [stderr] 40 |     for y in (region.top..region.top+region.height) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/render.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |     for y in (region.top..region.top+region.height) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/render.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 |         for x in (region.left..region.left+region.width) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/render.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |     for x in (region.left..region.left+region.width) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/render.rs:40:14
[INFO] [stderr]    |
[INFO] [stderr] 40 |     for y in (region.top..region.top+region.height) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/render.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |     for y in (region.top..region.top+region.height) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/render.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 |         for x in (region.left..region.left+region.width) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:46:35
[INFO] [stderr]    |
[INFO] [stderr] 46 |     values.sort_unstable_by_key(|(i, w, h)| u32::MAX - w.max(h));
[INFO] [stderr]    |                                   ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:58:35
[INFO] [stderr]    |
[INFO] [stderr] 58 |     values.sort_unstable_by_key(|(i, w, h)| u32::MAX - w*h/*w.max(h)*/);
[INFO] [stderr]    |                                   ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]    --> src/spatial_tree.rs:144:21
[INFO] [stderr]     |
[INFO] [stderr] 144 |         if let Some(root) = self.root.as_mut() {
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_root`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/spatial_tree.rs:309:19
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/render.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if let Some(v) = &node.value {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_random_test_data`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn generate_random_test_data(n: u32) -> Vec<(u32, u32, u32)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_discrete_test_data`
[INFO] [stderr]   --> src/main.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn generate_discrete_test_data(n: u32, choices: &[u32]) -> Vec<(u32, u32, u32)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:46:35
[INFO] [stderr]    |
[INFO] [stderr] 46 |     values.sort_unstable_by_key(|(i, w, h)| u32::MAX - w.max(h));
[INFO] [stderr]    |                                   ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:58:35
[INFO] [stderr]    |
[INFO] [stderr] 58 |     values.sort_unstable_by_key(|(i, w, h)| u32::MAX - w*h/*w.max(h)*/);
[INFO] [stderr]    |                                   ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]    --> src/spatial_tree.rs:144:21
[INFO] [stderr]     |
[INFO] [stderr] 144 |         if let Some(root) = self.root.as_mut() {
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_root`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/spatial_tree.rs:309:19
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/render.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if let Some(v) = &node.value {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_random_test_data`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn generate_random_test_data(n: u32) -> Vec<(u32, u32, u32)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_discrete_test_data`
[INFO] [stderr]   --> src/main.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn generate_discrete_test_data(n: u32, choices: &[u32]) -> Vec<(u32, u32, u32)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.17s
[INFO] running `"docker" "inspect" "b796a970dc5b5b08ea873f2c8ae043d1df93156f2b901990322ac89267e4caf2"`
[INFO] running `"docker" "rm" "-f" "b796a970dc5b5b08ea873f2c8ae043d1df93156f2b901990322ac89267e4caf2"`
[INFO] [stdout] b796a970dc5b5b08ea873f2c8ae043d1df93156f2b901990322ac89267e4caf2