[INFO] cloning repository edpenington/piston_app
[INFO] running `"git" "clone" "--bare" "git://github.com/edpenington/piston_app.git" "work/cache/sources/gh/edpenington/piston_app"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/edpenington/piston_app'...
[INFO] running `"git" "clone" "work/cache/sources/gh/edpenington/piston_app" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/edpenington/piston_app"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/edpenington/piston_app'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/edpenington/piston_app" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/edpenington/piston_app"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/edpenington/piston_app'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2f3c97d55d3088e86238a1fa66d543d16a96964
[INFO] sha for GitHub repo edpenington/piston_app: c2f3c97d55d3088e86238a1fa66d543d16a96964
[INFO] validating manifest of edpenington/piston_app on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of edpenington/piston_app on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing edpenington/piston_app
[INFO] finished frobbing edpenington/piston_app
[INFO] frobbed toml for edpenington/piston_app written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/edpenington/piston_app/Cargo.toml
[INFO] started frobbing edpenington/piston_app
[INFO] finished frobbing edpenington/piston_app
[INFO] frobbed toml for edpenington/piston_app written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/edpenington/piston_app/Cargo.toml
[INFO] crate edpenington/piston_app already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/edpenington/piston`
[INFO] [stderr]     Updating git repository `https://github.com/edpenington/piston_window`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking edpenington/piston_app against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/edpenington/piston_app:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 98d8c5c401599da4d4816fa8e09b7b9ce4f3d9a5bd6805701493e6fd130bae6c
[INFO] running `"docker" "start" "-a" "98d8c5c401599da4d4816fa8e09b7b9ce4f3d9a5bd6805701493e6fd130bae6c"`
[INFO] [stderr]     Checking gfx_core v0.6.0
[INFO] [stderr]     Checking pistoncore-input v0.17.1
[INFO] [stderr]     Checking pistoncore-input v0.17.1 (https://github.com/edpenington/piston#c4834177)
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]     Checking pistoncore-window v0.26.2
[INFO] [stderr]     Checking pistoncore-window v0.26.2 (https://github.com/edpenington/piston#c4834177)
[INFO] [stderr]     Checking pistoncore-event_loop v0.31.4 (https://github.com/edpenington/piston#c4834177)
[INFO] [stderr]     Checking pistoncore-event_loop v0.31.4
[INFO] [stderr]     Checking pistoncore-glutin_window v0.35.1
[INFO] [stderr]     Checking piston v0.31.4 (https://github.com/edpenington/piston#c4834177)
[INFO] [stderr]     Checking piston v0.31.4
[INFO] [stderr]     Checking gfx v0.14.1
[INFO] [stderr]     Checking gfx_device_gl v0.13.0
[INFO] [stderr]     Checking piston-gfx_texture v0.22.1
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.38.0
[INFO] [stderr]     Checking piston_window v0.64.0 (https://github.com/edpenington/piston_window#03859cfe)
[INFO] [stderr]     Checking piston_app v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `piston::*`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use piston::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::*`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use piston::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `should_quit`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     should_quit: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `should_quit`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     should_quit: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.72s
[INFO] running `"docker" "inspect" "98d8c5c401599da4d4816fa8e09b7b9ce4f3d9a5bd6805701493e6fd130bae6c"`
[INFO] running `"docker" "rm" "-f" "98d8c5c401599da4d4816fa8e09b7b9ce4f3d9a5bd6805701493e6fd130bae6c"`
[INFO] [stdout] 98d8c5c401599da4d4816fa8e09b7b9ce4f3d9a5bd6805701493e6fd130bae6c