[INFO] updating cached repository https://github.com/aarroyoc/hexaminas-rs
[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] 6135beaffad90a7c35c8a73b3510f43d202bbc17
[INFO] checking aarroyoc/hexaminas-rs against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarroyoc%2Fhexaminas-rs" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aarroyoc/hexaminas-rs on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aarroyoc/hexaminas-rs
[INFO] finished tweaking git repo https://github.com/aarroyoc/hexaminas-rs
[INFO] tweaked toml for git repo https://github.com/aarroyoc/hexaminas-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/aarroyoc/hexaminas-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d091bd1805b314bcad5d7963bc53e3498b6f432284e858471cb674038a25bf0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d091bd1805b314bcad5d7963bc53e3498b6f432284e858471cb674038a25bf0e"`
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rusttype v0.4.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking dlib v0.4.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking rayon v1.0.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.2
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.1
[INFO] [stderr]     Checking piston-gfx_texture v0.31.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.50.0
[INFO] [stderr]     Checking piston_window v0.77.0
[INFO] [stderr]     Checking hexaminas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `piston_window::character::CharacterCache`
[INFO] [stderr]  --> src/table.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use piston_window::character::CharacterCache;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/main.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |                         let m = table.get_mines_around(pos);
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hex`
[INFO] [stderr]    --> src/table.rs:232:27
[INFO] [stderr]     |
[INFO] [stderr] 232 |     pub fn draw(&mut self,hex: &G2dTexture,glyphs: &mut Glyphs,c: &Context, g: &mut G2d) 
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_hex`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/table.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let mut m: Vec<Mine> = Vec::new();
[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: unused import: `piston_window::character::CharacterCache`
[INFO] [stderr]  --> src/table.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use piston_window::character::CharacterCache;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/main.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |                         let m = table.get_mines_around(pos);
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hex`
[INFO] [stderr]    --> src/table.rs:232:27
[INFO] [stderr]     |
[INFO] [stderr] 232 |     pub fn draw(&mut self,hex: &G2dTexture,glyphs: &mut Glyphs,c: &Context, g: &mut G2d) 
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_hex`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/table.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let mut m: Vec<Mine> = Vec::new();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `"docker" "inspect" "d091bd1805b314bcad5d7963bc53e3498b6f432284e858471cb674038a25bf0e"`
[INFO] running `"docker" "rm" "-f" "d091bd1805b314bcad5d7963bc53e3498b6f432284e858471cb674038a25bf0e"`
[INFO] [stdout] d091bd1805b314bcad5d7963bc53e3498b6f432284e858471cb674038a25bf0e