[INFO] updating cached repository tobyjsullivan/rust-game-loop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tobyjsullivan/rust-game-loop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tobyjsullivan/rust-game-loop" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tobyjsullivan/rust-game-loop"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tobyjsullivan/rust-game-loop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tobyjsullivan/rust-game-loop" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tobyjsullivan/rust-game-loop"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tobyjsullivan/rust-game-loop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7cb7bfe6f404795db58a89d3c6dcc0f925471584
[INFO] sha for GitHub repo tobyjsullivan/rust-game-loop: 7cb7bfe6f404795db58a89d3c6dcc0f925471584
[INFO] validating manifest of tobyjsullivan/rust-game-loop on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tobyjsullivan/rust-game-loop on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tobyjsullivan/rust-game-loop
[INFO] finished frobbing tobyjsullivan/rust-game-loop
[INFO] frobbed toml for tobyjsullivan/rust-game-loop written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tobyjsullivan/rust-game-loop/Cargo.toml
[INFO] started frobbing tobyjsullivan/rust-game-loop
[INFO] finished frobbing tobyjsullivan/rust-game-loop
[INFO] frobbed toml for tobyjsullivan/rust-game-loop written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tobyjsullivan/rust-game-loop/Cargo.toml
[INFO] crate tobyjsullivan/rust-game-loop already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tobyjsullivan/rust-game-loop against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tobyjsullivan/rust-game-loop:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 904e0a84003d015b8a8cc8b587fa74b56366dfeb95eebcbf79c2da35184ee339
[INFO] running `"docker" "start" "-a" "904e0a84003d015b8a8cc8b587fa74b56366dfeb95eebcbf79c2da35184ee339"`
[INFO] [stderr]     Checking rand_core v0.1.0-pre.0
[INFO] [stderr]    Compiling im v10.0.0
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking rand v0.5.0-pre.0
[INFO] [stderr]     Checking game-loop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/system/controller.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/system/controller.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `frame_count` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut frame_count = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_frame_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prev`
[INFO] [stderr]    --> src/main.rs:162:14
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn next_tile(prev: &Tile) -> Tile {
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_prev`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(duration_extras)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `frame_count` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut frame_count = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_frame_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prev`
[INFO] [stderr]    --> src/main.rs:162:14
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn next_tile(prev: &Tile) -> Tile {
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_prev`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(duration_extras)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `"docker" "inspect" "904e0a84003d015b8a8cc8b587fa74b56366dfeb95eebcbf79c2da35184ee339"`
[INFO] running `"docker" "rm" "-f" "904e0a84003d015b8a8cc8b587fa74b56366dfeb95eebcbf79c2da35184ee339"`
[INFO] [stdout] 904e0a84003d015b8a8cc8b587fa74b56366dfeb95eebcbf79c2da35184ee339