[INFO] updating cached repository 02alexander/tower-of-hanoi-solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/02alexander/tower-of-hanoi-solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/02alexander/tower-of-hanoi-solver" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/02alexander/tower-of-hanoi-solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/02alexander/tower-of-hanoi-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/02alexander/tower-of-hanoi-solver" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/02alexander/tower-of-hanoi-solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/02alexander/tower-of-hanoi-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 639684ef7467be1f8e15aa02e2a9de99be8f7995
[INFO] sha for GitHub repo 02alexander/tower-of-hanoi-solver: 639684ef7467be1f8e15aa02e2a9de99be8f7995
[INFO] validating manifest of 02alexander/tower-of-hanoi-solver on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 02alexander/tower-of-hanoi-solver on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 02alexander/tower-of-hanoi-solver
[INFO] finished frobbing 02alexander/tower-of-hanoi-solver
[INFO] frobbed toml for 02alexander/tower-of-hanoi-solver written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/02alexander/tower-of-hanoi-solver/Cargo.toml
[INFO] started frobbing 02alexander/tower-of-hanoi-solver
[INFO] finished frobbing 02alexander/tower-of-hanoi-solver
[INFO] frobbed toml for 02alexander/tower-of-hanoi-solver written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/02alexander/tower-of-hanoi-solver/Cargo.toml
[INFO] crate 02alexander/tower-of-hanoi-solver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 02alexander/tower-of-hanoi-solver against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/02alexander/tower-of-hanoi-solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e71ca2e6f9de46b664b35446d07e4f24356ed4eed263660d9ccbe6e2bc279e03
[INFO] running `"docker" "start" "-a" "e71ca2e6f9de46b664b35446d07e4f24356ed4eed263660d9ccbe6e2bc279e03"`
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.53.0
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]     Checking glutin v0.14.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking tower-of-hanoi-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `EventLoop`
[INFO] [stderr]  --> src/main.rs:9:49
[INFO] [stderr]   |
[INFO] [stderr] 9 | use piston::event_loop::{Events, EventSettings, EventLoop};
[INFO] [stderr]   |                                                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::rectangle::Rectangle`
[INFO] [stderr]  --> src/game.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use graphics::rectangle::Rectangle;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::rectangle::Border`
[INFO] [stderr]  --> src/game.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use graphics::rectangle::Border;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::draw_state::DrawState`
[INFO] [stderr]  --> src/game.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use graphics::draw_state::DrawState;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EventLoop`
[INFO] [stderr]  --> src/main.rs:9:49
[INFO] [stderr]   |
[INFO] [stderr] 9 | use piston::event_loop::{Events, EventSettings, EventLoop};
[INFO] [stderr]   |                                                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::rectangle::Rectangle`
[INFO] [stderr]  --> src/game.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use graphics::rectangle::Rectangle;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::rectangle::Border`
[INFO] [stderr]  --> src/game.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use graphics::rectangle::Border;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::draw_state::DrawState`
[INFO] [stderr]  --> src/game.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use graphics::draw_state::DrawState;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.34s
[INFO] running `"docker" "inspect" "e71ca2e6f9de46b664b35446d07e4f24356ed4eed263660d9ccbe6e2bc279e03"`
[INFO] running `"docker" "rm" "-f" "e71ca2e6f9de46b664b35446d07e4f24356ed4eed263660d9ccbe6e2bc279e03"`
[INFO] [stdout] e71ca2e6f9de46b664b35446d07e4f24356ed4eed263660d9ccbe6e2bc279e03