[INFO] cloning repository permil/rust-puyo
[INFO] running `"git" "clone" "--bare" "git://github.com/permil/rust-puyo.git" "work/cache/sources/gh/permil/rust-puyo"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/permil/rust-puyo'...
[INFO] running `"git" "clone" "work/cache/sources/gh/permil/rust-puyo" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/permil/rust-puyo"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/permil/rust-puyo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/permil/rust-puyo" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/permil/rust-puyo"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/permil/rust-puyo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e19bedab9bf3f0c7bd1325910dd49f55d608dce
[INFO] sha for GitHub repo permil/rust-puyo: 8e19bedab9bf3f0c7bd1325910dd49f55d608dce
[INFO] validating manifest of permil/rust-puyo on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of permil/rust-puyo on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing permil/rust-puyo
[INFO] finished frobbing permil/rust-puyo
[INFO] frobbed toml for permil/rust-puyo written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/permil/rust-puyo/Cargo.toml
[INFO] started frobbing permil/rust-puyo
[INFO] finished frobbing permil/rust-puyo
[INFO] frobbed toml for permil/rust-puyo written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/permil/rust-puyo/Cargo.toml
[INFO] crate permil/rust-puyo has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking permil/rust-puyo against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-1/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/permil/rust-puyo:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8cec4da106b921358d21c52b53a05f3ce52a45612ccd8d88310738e381b9e002
[INFO] running `"docker" "start" "-a" "8cec4da106b921358d21c52b53a05f3ce52a45612ccd8d88310738e381b9e002"`
[INFO] [stderr]     Checking num_cpus v1.5.1
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking wayland-kbd v0.8.0
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking winit v0.6.4
[INFO] [stderr]     Checking rayon v0.8.1
[INFO] [stderr]     Checking glutin v0.8.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.37.0
[INFO] [stderr]     Checking piston-gfx_texture v0.25.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.41.0
[INFO] [stderr]     Checking piston_window v0.67.0
[INFO] [stderr]     Checking puyo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:16:25
[INFO] [stderr]    |
[INFO] [stderr] 16 |         if let Some(ref args) = e.render_args() {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]    --> src/field.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let mut column = self.grids[i];
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]    --> src/field.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let mut column = self.grids[i];
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:16:25
[INFO] [stderr]    |
[INFO] [stderr] 16 |         if let Some(ref args) = e.render_args() {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]    --> src/field.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let mut column = self.grids[i];
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]    --> src/field.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let mut column = self.grids[i];
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_column`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.45s
[INFO] running `"docker" "inspect" "8cec4da106b921358d21c52b53a05f3ce52a45612ccd8d88310738e381b9e002"`
[INFO] running `"docker" "rm" "-f" "8cec4da106b921358d21c52b53a05f3ce52a45612ccd8d88310738e381b9e002"`
[INFO] [stdout] 8cec4da106b921358d21c52b53a05f3ce52a45612ccd8d88310738e381b9e002