[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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/02alexander/tower-of-hanoi-solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/02alexander/tower-of-hanoi-solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 02alexander/tower-of-hanoi-solver on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/02alexander/tower-of-hanoi-solver/Cargo.toml
[INFO] crate 02alexander/tower-of-hanoi-solver has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 02alexander/tower-of-hanoi-solver against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-3/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/02alexander/tower-of-hanoi-solver:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dd29879d6aa621472b10afbaa777e7bd513e3bc168a4371a8943d38fc028f0bb
[INFO] running `"docker" "start" "-a" "dd29879d6aa621472b10afbaa777e7bd513e3bc168a4371a8943d38fc028f0bb"`
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.53.0
[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 5.49s
[INFO] running `"docker" "inspect" "dd29879d6aa621472b10afbaa777e7bd513e3bc168a4371a8943d38fc028f0bb"`
[INFO] running `"docker" "rm" "-f" "dd29879d6aa621472b10afbaa777e7bd513e3bc168a4371a8943d38fc028f0bb"`
[INFO] [stdout] dd29879d6aa621472b10afbaa777e7bd513e3bc168a4371a8943d38fc028f0bb