[INFO] updating cached repository https://github.com/edpenington/piston_app
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2f3c97d55d3088e86238a1fa66d543d16a96964
[INFO] checking edpenington/piston_app against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedpenington%2Fpiston_app" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edpenington/piston_app on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/edpenington/piston_app
[INFO] finished tweaking git repo https://github.com/edpenington/piston_app
[INFO] tweaked toml for git repo https://github.com/edpenington/piston_app written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/edpenington/piston_app already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 75256c17dd203ecf5413672e82a608a1d1cf0f4f76c495b9cf7d7dc06196f24d
[INFO] running `"docker" "start" "-a" "75256c17dd203ecf5413672e82a608a1d1cf0f4f76c495b9cf7d7dc06196f24d"`
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking pistoncore-input v0.17.1 (https://github.com/edpenington/piston#c4834177)
[INFO] [stderr]     Checking x11-dl v2.13.0
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[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 piston-gfx_texture v0.22.1
[INFO] [stderr]     Checking piston v0.31.4 (https://github.com/edpenington/piston#c4834177)
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.38.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-client v0.7.8
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking glutin v0.7.4
[INFO] [stderr]     Checking pistoncore-glutin_window v0.35.1
[INFO] [stderr]     Checking piston_window v0.64.0 (https://github.com/edpenington/piston_window#03859cfe)
[INFO] [stderr]     Checking piston_app v0.1.0 (/opt/rustwide/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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "75256c17dd203ecf5413672e82a608a1d1cf0f4f76c495b9cf7d7dc06196f24d"`
[INFO] running `"docker" "rm" "-f" "75256c17dd203ecf5413672e82a608a1d1cf0f4f76c495b9cf7d7dc06196f24d"`
[INFO] [stdout] 75256c17dd203ecf5413672e82a608a1d1cf0f4f76c495b9cf7d7dc06196f24d