[INFO] updating cached repository joek13/craft
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joek13/craft
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joek13/craft" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/joek13/craft"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/joek13/craft'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joek13/craft" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/joek13/craft"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/joek13/craft'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45879c4cbb733c9a0cd3f21e959c97cc59d3874d
[INFO] sha for GitHub repo joek13/craft: 45879c4cbb733c9a0cd3f21e959c97cc59d3874d
[INFO] validating manifest of joek13/craft on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of joek13/craft on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing joek13/craft
[INFO] finished frobbing joek13/craft
[INFO] frobbed toml for joek13/craft written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/joek13/craft/Cargo.toml
[INFO] started frobbing joek13/craft
[INFO] finished frobbing joek13/craft
[INFO] frobbed toml for joek13/craft written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/joek13/craft/Cargo.toml
[INFO] crate joek13/craft already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking joek13/craft against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/joek13/craft:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c36c2db6c1757e5db0b42bfadef825291c10a7460cba19ea05fc9d72e3a8f2bb
[INFO] running `"docker" "start" "-a" "c36c2db6c1757e5db0b42bfadef825291c10a7460cba19ea05fc9d72e3a8f2bb"`
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling glutin v0.11.0
[INFO] [stderr]    Compiling glium v0.19.0
[INFO] [stderr]     Checking winit v0.9.0
[INFO] [stderr]     Checking craft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut world = World::new(&display);
[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: field is never used: `vertices`
[INFO] [stderr]   --> src/world.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     vertices: VertexBuffer<Vertex>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_block`
[INFO] [stderr]   --> src/world.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn get_block(&self, x: usize, y: usize, z: usize) -> Block {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_vertices`
[INFO] [stderr]   --> src/world.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn update_vertices(&mut self) {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLOCK_COLORS`
[INFO] [stderr]   --> src/world.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | / const BLOCK_COLORS: [(f32, f32, f32, f32); 3] = [
[INFO] [stderr] 65 | |     (0.0, 0.0, 0.0, 0.0),
[INFO] [stderr] 66 | |     (0.0, 0.0, 0.0, 1.0),
[INFO] [stderr] 67 | |     (0.0, 1.0, 0.0, 1.0),
[INFO] [stderr] 68 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         target.finish();
[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:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut world = World::new(&display);
[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: field is never used: `vertices`
[INFO] [stderr]   --> src/world.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     vertices: VertexBuffer<Vertex>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_block`
[INFO] [stderr]   --> src/world.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn get_block(&self, x: usize, y: usize, z: usize) -> Block {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_vertices`
[INFO] [stderr]   --> src/world.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn update_vertices(&mut self) {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLOCK_COLORS`
[INFO] [stderr]   --> src/world.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | / const BLOCK_COLORS: [(f32, f32, f32, f32); 3] = [
[INFO] [stderr] 65 | |     (0.0, 0.0, 0.0, 0.0),
[INFO] [stderr] 66 | |     (0.0, 0.0, 0.0, 1.0),
[INFO] [stderr] 67 | |     (0.0, 1.0, 0.0, 1.0),
[INFO] [stderr] 68 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         target.finish();
[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 36.13s
[INFO] running `"docker" "inspect" "c36c2db6c1757e5db0b42bfadef825291c10a7460cba19ea05fc9d72e3a8f2bb"`
[INFO] running `"docker" "rm" "-f" "c36c2db6c1757e5db0b42bfadef825291c10a7460cba19ea05fc9d72e3a8f2bb"`
[INFO] [stdout] c36c2db6c1757e5db0b42bfadef825291c10a7460cba19ea05fc9d72e3a8f2bb