[INFO] updating cached repository generalelectrix/piston-tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/generalelectrix/piston-tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/generalelectrix/piston-tutorial" "work/ex/beta-1.38-1/sources/1.37.0/gh/generalelectrix/piston-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/generalelectrix/piston-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/generalelectrix/piston-tutorial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/generalelectrix/piston-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/generalelectrix/piston-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1edd802308e988309a8563a8970f0c3f2bd25d8c
[INFO] sha for GitHub repo generalelectrix/piston-tutorial: 1edd802308e988309a8563a8970f0c3f2bd25d8c
[INFO] validating manifest of generalelectrix/piston-tutorial 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 generalelectrix/piston-tutorial 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 generalelectrix/piston-tutorial
[INFO] finished frobbing generalelectrix/piston-tutorial
[INFO] frobbed toml for generalelectrix/piston-tutorial written to work/ex/beta-1.38-1/sources/1.37.0/gh/generalelectrix/piston-tutorial/Cargo.toml
[INFO] started frobbing generalelectrix/piston-tutorial
[INFO] finished frobbing generalelectrix/piston-tutorial
[INFO] frobbed toml for generalelectrix/piston-tutorial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/generalelectrix/piston-tutorial/Cargo.toml
[INFO] crate generalelectrix/piston-tutorial 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/generalelectrix/piston-tutorial/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/PistonDevelopers/sdl2_window`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/PistonDevelopers/sdl2_window`
[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 generalelectrix/piston-tutorial 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/generalelectrix/piston-tutorial:/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] fd4d5c3a10015bf3911db5576037827e1d7177321dbb1c98eee344076fd9a447
[INFO] running `"docker" "start" "-a" "fd4d5c3a10015bf3911db5576037827e1d7177321dbb1c98eee344076fd9a447"`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling freetype-sys v0.4.0
[INFO] [stderr]    Compiling pistoncore-input v0.14.0
[INFO] [stderr]    Compiling piston2d-graphics v0.17.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling pistoncore-window v0.22.1
[INFO] [stderr]    Compiling freetype-rs v0.11.0
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling pistoncore-event_loop v0.25.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling piston v0.25.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling pistoncore-sdl2_window v0.63.0 (https://github.com/PistonDevelopers/sdl2_window#db9d92f7)
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.32.0
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.29.0
[INFO] [stderr]    Compiling spinning-square v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     let start = ((seg as f64 * seg_width) + marquee);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `sdl2_window::Sdl2Window: piston::window::BuildFromWindowSettings` is not satisfied
[INFO] [stderr]   --> src/main.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 |         .build()
[INFO] [stderr]    |          ^^^^^ the trait `piston::window::BuildFromWindowSettings` is not implemented for `sdl2_window::Sdl2Window`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `events` found for type `sdl2_window::Sdl2Window` in the current scope
[INFO] [stderr]   --> src/main.rs:91:29
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mut events = window.events();
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `events` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `sdl2_window::Sdl2Window : piston::event_loop::Events`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::event_loop`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use piston::event_loop::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `spinning-square`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fd4d5c3a10015bf3911db5576037827e1d7177321dbb1c98eee344076fd9a447"`
[INFO] running `"docker" "rm" "-f" "fd4d5c3a10015bf3911db5576037827e1d7177321dbb1c98eee344076fd9a447"`
[INFO] [stdout] fd4d5c3a10015bf3911db5576037827e1d7177321dbb1c98eee344076fd9a447