[INFO] updating cached repository happenslol/n3
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/happenslol/n3
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/happenslol/n3" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/happenslol/n3"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/happenslol/n3'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/happenslol/n3" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/happenslol/n3"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/happenslol/n3'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26a3afe6868a9060ef8c311f4179b997f6ec30be
[INFO] sha for GitHub repo happenslol/n3: 26a3afe6868a9060ef8c311f4179b997f6ec30be
[INFO] validating manifest of happenslol/n3 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of happenslol/n3 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing happenslol/n3
[INFO] finished frobbing happenslol/n3
[INFO] frobbed toml for happenslol/n3 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/happenslol/n3/Cargo.toml
[INFO] started frobbing happenslol/n3
[INFO] finished frobbing happenslol/n3
[INFO] frobbed toml for happenslol/n3 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/happenslol/n3/Cargo.toml
[INFO] crate happenslol/n3 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking happenslol/n3 against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/happenslol/n3:/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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 68841ef263f5a95da983087d2bac6754444b25706d34a4fcd96bc135c0aace7a
[INFO] running `"docker" "start" "-a" "68841ef263f5a95da983087d2bac6754444b25706d34a4fcd96bc135c0aace7a"`
[INFO] [stderr]    Compiling serde v0.9.10
[INFO] [stderr]     Checking pistoncore-event_loop v0.31.4
[INFO] [stderr]     Checking piston-gfx_texture v0.22.1
[INFO] [stderr]     Checking piston v0.31.4
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.38.0
[INFO] [stderr]    Compiling serde_json v0.9.8
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling libloading v0.3.2
[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-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[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
[INFO] [stderr]     Checking n3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `dt`
[INFO] [stderr]   --> src/camera.rs:20:30
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn update(&mut self, dt: f64) {
[INFO] [stderr]    |                              ^^ help: consider prefixing with an underscore: `_dt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_tile_offset`
[INFO] [stderr]   --> src/world.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn add_tile_offset(pos: [f64; 2], offset: [i32; 2]) -> [f64; 2] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dt`
[INFO] [stderr]   --> src/camera.rs:20:30
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn update(&mut self, dt: f64) {
[INFO] [stderr]    |                              ^^ help: consider prefixing with an underscore: `_dt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_tile_offset`
[INFO] [stderr]   --> src/world.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn add_tile_offset(pos: [f64; 2], offset: [i32; 2]) -> [f64; 2] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.49s
[INFO] running `"docker" "inspect" "68841ef263f5a95da983087d2bac6754444b25706d34a4fcd96bc135c0aace7a"`
[INFO] running `"docker" "rm" "-f" "68841ef263f5a95da983087d2bac6754444b25706d34a4fcd96bc135c0aace7a"`
[INFO] [stdout] 68841ef263f5a95da983087d2bac6754444b25706d34a4fcd96bc135c0aace7a