[INFO] updating cached repository https://github.com/aarroyoc/hexaminas-rs
[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] 6135beaffad90a7c35c8a73b3510f43d202bbc17
[INFO] checking aarroyoc/hexaminas-rs against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarroyoc%2Fhexaminas-rs" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aarroyoc/hexaminas-rs on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "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 work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aarroyoc/hexaminas-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cafe892328a1a9bbf5c6c731f1c1266da1a5d758fb2a89abb71f5c0d9f96d112
[INFO] running `"docker" "start" "-a" "cafe892328a1a9bbf5c6c731f1c1266da1a5d758fb2a89abb71f5c0d9f96d112"`
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]     Checking rusttype v0.4.1
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking piston-gfx_texture v0.31.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.50.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking gfx_device_gl v0.15.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.2
[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 14s
[INFO] running `"docker" "inspect" "cafe892328a1a9bbf5c6c731f1c1266da1a5d758fb2a89abb71f5c0d9f96d112"`
[INFO] running `"docker" "rm" "-f" "cafe892328a1a9bbf5c6c731f1c1266da1a5d758fb2a89abb71f5c0d9f96d112"`
[INFO] [stdout] cafe892328a1a9bbf5c6c731f1c1266da1a5d758fb2a89abb71f5c0d9f96d112