[INFO] updating cached repository https://github.com/yavrib/piston-trials
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 147f9d4aee840dccc533283576b8c4323b639049
[INFO] checking yavrib/piston-trials against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyavrib%2Fpiston-trials" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yavrib/piston-trials on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yavrib/piston-trials
[INFO] finished tweaking git repo https://github.com/yavrib/piston-trials
[INFO] tweaked toml for git repo https://github.com/yavrib/piston-trials written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/yavrib/piston-trials already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78516cb065f5c3dab0179157d67bd308e14407fe3a924eb4e38cf73ae50f090d
[INFO] running `"docker" "start" "-a" "78516cb065f5c3dab0179157d67bd308e14407fe3a924eb4e38cf73ae50f090d"`
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling syn v0.15.8
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking smithay-client-toolkit v0.3.0
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.48.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.52.0
[INFO] [stderr]     Checking piston_window v0.81.0
[INFO] [stderr]     Checking shapes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut distance_x = dest_x - x;
[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/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut distance_y = dest_y - y;
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 | /             text::Text::new_color([0.0, 0.0, 0.0, 1.0], 32).draw(
[INFO] [stderr] 115 | |                 &message,
[INFO] [stderr] 116 | |                 &mut glyphs,
[INFO] [stderr] 117 | |                 &c.draw_state,
[INFO] [stderr] 118 | |                 transform, g
[INFO] [stderr] 119 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut distance_x = dest_x - x;
[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/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut distance_y = dest_y - y;
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 | /             text::Text::new_color([0.0, 0.0, 0.0, 1.0], 32).draw(
[INFO] [stderr] 115 | |                 &message,
[INFO] [stderr] 116 | |                 &mut glyphs,
[INFO] [stderr] 117 | |                 &c.draw_state,
[INFO] [stderr] 118 | |                 transform, g
[INFO] [stderr] 119 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `"docker" "inspect" "78516cb065f5c3dab0179157d67bd308e14407fe3a924eb4e38cf73ae50f090d"`
[INFO] running `"docker" "rm" "-f" "78516cb065f5c3dab0179157d67bd308e14407fe3a924eb4e38cf73ae50f090d"`
[INFO] [stdout] 78516cb065f5c3dab0179157d67bd308e14407fe3a924eb4e38cf73ae50f090d