[INFO] updating cached repository Troinnn/snake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Troinnn/snake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Troinnn/snake" "work/ex/beta-1.38-1/sources/1.37.0/gh/Troinnn/snake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Troinnn/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Troinnn/snake" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Troinnn/snake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Troinnn/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc8f88fc29569d4797ec427fc6bd0bd32249fb1f
[INFO] sha for GitHub repo Troinnn/snake: fc8f88fc29569d4797ec427fc6bd0bd32249fb1f
[INFO] validating manifest of Troinnn/snake on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Troinnn/snake on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Troinnn/snake
[INFO] finished frobbing Troinnn/snake
[INFO] frobbed toml for Troinnn/snake written to work/ex/beta-1.38-1/sources/1.37.0/gh/Troinnn/snake/Cargo.toml
[INFO] started frobbing Troinnn/snake
[INFO] finished frobbing Troinnn/snake
[INFO] frobbed toml for Troinnn/snake written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Troinnn/snake/Cargo.toml
[INFO] crate Troinnn/snake already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Troinnn/snake against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Troinnn/snake:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 778a74fcff09e9f35b37478ced2b33fe3d286e9566870ab99059edab8380f4ce
[INFO] running `"docker" "start" "-a" "778a74fcff09e9f35b37478ced2b33fe3d286e9566870ab99059edab8380f4ce"`
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling rand v0.5.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[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 pistoncore-input v0.21.0
[INFO] [stderr]    Compiling pistoncore-window v0.32.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.53.0
[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 test_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/objects/mod.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         use graphics;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/objects/mod.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:2:1
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/objects/mod.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:2:1
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/objects/mod.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:2:1
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/objects/mod.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let mut tt: graphics::types::Rectangle = graphics::rectangle::square((rect.0 * 20) as f64, (rect.1 * 20) as f64, 20_f64);
[INFO] [stderr]    |                 ----^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `"docker" "inspect" "778a74fcff09e9f35b37478ced2b33fe3d286e9566870ab99059edab8380f4ce"`
[INFO] running `"docker" "rm" "-f" "778a74fcff09e9f35b37478ced2b33fe3d286e9566870ab99059edab8380f4ce"`
[INFO] [stdout] 778a74fcff09e9f35b37478ced2b33fe3d286e9566870ab99059edab8380f4ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Troinnn/snake:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5dddfe8356d2ee268c70f73105c6a304cda8d6994b0ee05b095c066139de4d36
[INFO] running `"docker" "start" "-a" "5dddfe8356d2ee268c70f73105c6a304cda8d6994b0ee05b095c066139de4d36"`
[INFO] [stderr]    Compiling test_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/objects/mod.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         use graphics;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/objects/mod.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:2:1
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/objects/mod.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:2:1
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/objects/mod.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:2:1
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/objects/mod.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let mut tt: graphics::types::Rectangle = graphics::rectangle::square((rect.0 * 20) as f64, (rect.1 * 20) as f64, 20_f64);
[INFO] [stderr]    |                 ----^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "5dddfe8356d2ee268c70f73105c6a304cda8d6994b0ee05b095c066139de4d36"`
[INFO] running `"docker" "rm" "-f" "5dddfe8356d2ee268c70f73105c6a304cda8d6994b0ee05b095c066139de4d36"`
[INFO] [stdout] 5dddfe8356d2ee268c70f73105c6a304cda8d6994b0ee05b095c066139de4d36
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Troinnn/snake:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d396570dc2e1aca2299df969ad0b92762061fc8c4d0d40be740c2d5fe387f683
[INFO] running `"docker" "start" "-a" "d396570dc2e1aca2299df969ad0b92762061fc8c4d0d40be740c2d5fe387f683"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_project-35e2d6f498ddfe66
[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 `"docker" "inspect" "d396570dc2e1aca2299df969ad0b92762061fc8c4d0d40be740c2d5fe387f683"`
[INFO] running `"docker" "rm" "-f" "d396570dc2e1aca2299df969ad0b92762061fc8c4d0d40be740c2d5fe387f683"`
[INFO] [stdout] d396570dc2e1aca2299df969ad0b92762061fc8c4d0d40be740c2d5fe387f683