[INFO] cloning repository polygon/allcolors-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/polygon/allcolors-rs.git" "work/cache/sources/gh/polygon/allcolors-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/polygon/allcolors-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/polygon/allcolors-rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/polygon/allcolors-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/polygon/allcolors-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/polygon/allcolors-rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/polygon/allcolors-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/polygon/allcolors-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ae40304b8936283bbd74dcfd932869fb3a8d888
[INFO] sha for GitHub repo polygon/allcolors-rs: 6ae40304b8936283bbd74dcfd932869fb3a8d888
[INFO] validating manifest of polygon/allcolors-rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of polygon/allcolors-rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing polygon/allcolors-rs
[INFO] finished frobbing polygon/allcolors-rs
[INFO] frobbed toml for polygon/allcolors-rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/polygon/allcolors-rs/Cargo.toml
[INFO] started frobbing polygon/allcolors-rs
[INFO] finished frobbing polygon/allcolors-rs
[INFO] frobbed toml for polygon/allcolors-rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/polygon/allcolors-rs/Cargo.toml
[INFO] crate polygon/allcolors-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking polygon/allcolors-rs against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/polygon/allcolors-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 75ff8396dc4d68b018f3d62da46d87d72f5c0644e933f76aa539352f55915b1d
[INFO] running `"docker" "start" "-a" "75ff8396dc4d68b018f3d62da46d87d72f5c0644e933f76aa539352f55915b1d"`
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking glutin v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking glium v0.20.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking allcolors-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/display.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         thread::sleep_ms(10);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/display.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         thread::sleep_ms(10);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/allcolors.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for mut x in 0..self.width {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/allcolors.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             for mut y in 0..self.height {
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/allcolors.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for mut x in 0..self.width {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/allcolors.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             for mut y in 0..self.height {
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.84s
[INFO] running `"docker" "inspect" "75ff8396dc4d68b018f3d62da46d87d72f5c0644e933f76aa539352f55915b1d"`
[INFO] running `"docker" "rm" "-f" "75ff8396dc4d68b018f3d62da46d87d72f5c0644e933f76aa539352f55915b1d"`
[INFO] [stdout] 75ff8396dc4d68b018f3d62da46d87d72f5c0644e933f76aa539352f55915b1d