[INFO] updating cached repository https://github.com/02alexander/tower-of-hanoi-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 639684ef7467be1f8e15aa02e2a9de99be8f7995
[INFO] testing 02alexander/tower-of-hanoi-solver against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Ftower-of-hanoi-solver" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/02alexander/tower-of-hanoi-solver on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/02alexander/tower-of-hanoi-solver
[INFO] finished tweaking git repo https://github.com/02alexander/tower-of-hanoi-solver
[INFO] tweaked toml for git repo https://github.com/02alexander/tower-of-hanoi-solver written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/02alexander/tower-of-hanoi-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bc0920342452db4749c40e1232201fb88de17c86126a7d017676ae1d1674304
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0bc0920342452db4749c40e1232201fb88de17c86126a7d017676ae1d1674304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc0920342452db4749c40e1232201fb88de17c86126a7d017676ae1d1674304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc0920342452db4749c40e1232201fb88de17c86126a7d017676ae1d1674304", kill_on_drop: false }`
[INFO] [stdout] 0bc0920342452db4749c40e1232201fb88de17c86126a7d017676ae1d1674304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7a7b9240099a4d09f404278692db599b88e0c30226812125193166ee3cee3a5
[INFO] running `Command { std: "docker" "start" "-a" "f7a7b9240099a4d09f404278692db599b88e0c30226812125193166ee3cee3a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling stb_truetype v0.2.4
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling syn v0.15.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling rusttype v0.4.3
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.12.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.53.0
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling pistoncore-window v0.32.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.37.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.47.0
[INFO] [stderr]    Compiling piston v0.37.0
[INFO] [stderr]    Compiling tower-of-hanoi-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `EventLoop`
[INFO] [stdout]  --> src/main.rs:9:49
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piston::event_loop::{Events, EventSettings, EventLoop};
[INFO] [stdout]   |                                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::rectangle::Rectangle`
[INFO] [stdout]  --> src/game.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use graphics::rectangle::Rectangle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::rectangle::Border`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use graphics::rectangle::Border;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::draw_state::DrawState`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use graphics::draw_state::DrawState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "f7a7b9240099a4d09f404278692db599b88e0c30226812125193166ee3cee3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a7b9240099a4d09f404278692db599b88e0c30226812125193166ee3cee3a5", kill_on_drop: false }`
[INFO] [stdout] f7a7b9240099a4d09f404278692db599b88e0c30226812125193166ee3cee3a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb9bbfd015d76f96402a3caf78eaf6048b29b0e60ef1b5676435c9ca1250a110
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb9bbfd015d76f96402a3caf78eaf6048b29b0e60ef1b5676435c9ca1250a110", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-of-hanoi-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `EventLoop`
[INFO] [stdout]  --> src/main.rs:9:49
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piston::event_loop::{Events, EventSettings, EventLoop};
[INFO] [stdout]   |                                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::rectangle::Rectangle`
[INFO] [stdout]  --> src/game.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use graphics::rectangle::Rectangle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::rectangle::Border`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use graphics::rectangle::Border;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::draw_state::DrawState`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use graphics::draw_state::DrawState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "eb9bbfd015d76f96402a3caf78eaf6048b29b0e60ef1b5676435c9ca1250a110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9bbfd015d76f96402a3caf78eaf6048b29b0e60ef1b5676435c9ca1250a110", kill_on_drop: false }`
[INFO] [stdout] eb9bbfd015d76f96402a3caf78eaf6048b29b0e60ef1b5676435c9ca1250a110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ae26ba60772538f71b7218d599b833ed5d7a9b16fa77736d24521f9a1eaf9b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ae26ba60772538f71b7218d599b833ed5d7a9b16fa77736d24521f9a1eaf9b3", kill_on_drop: false }`
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tower_of_hanoi_solver-e94bf1de69931497
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ae26ba60772538f71b7218d599b833ed5d7a9b16fa77736d24521f9a1eaf9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae26ba60772538f71b7218d599b833ed5d7a9b16fa77736d24521f9a1eaf9b3", kill_on_drop: false }`
[INFO] [stdout] 1ae26ba60772538f71b7218d599b833ed5d7a9b16fa77736d24521f9a1eaf9b3