[INFO] updating cached repository brollb/sketch-adventures
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brollb/sketch-adventures
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brollb/sketch-adventures" "work/ex/beta-1.38-1/sources/1.37.0/gh/brollb/sketch-adventures"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brollb/sketch-adventures'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brollb/sketch-adventures" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brollb/sketch-adventures"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brollb/sketch-adventures'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c90e2972a395407b2ac9d449ca696a5f1198bb5a
[INFO] sha for GitHub repo brollb/sketch-adventures: c90e2972a395407b2ac9d449ca696a5f1198bb5a
[INFO] validating manifest of brollb/sketch-adventures 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 brollb/sketch-adventures 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 brollb/sketch-adventures
[INFO] finished frobbing brollb/sketch-adventures
[INFO] frobbed toml for brollb/sketch-adventures written to work/ex/beta-1.38-1/sources/1.37.0/gh/brollb/sketch-adventures/Cargo.toml
[INFO] started frobbing brollb/sketch-adventures
[INFO] finished frobbing brollb/sketch-adventures
[INFO] frobbed toml for brollb/sketch-adventures written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brollb/sketch-adventures/Cargo.toml
[INFO] crate brollb/sketch-adventures 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 brollb/sketch-adventures 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brollb/sketch-adventures:/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] 1b74e61d270107ede4646b4642e0d84fa5255c0e04769e257d6531eb81622fad
[INFO] running `"docker" "start" "-a" "1b74e61d270107ede4646b4642e0d84fa5255c0e04769e257d6531eb81622fad"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling piston2d-graphics v0.24.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-rational v0.1.41
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling glutin v0.10.1
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]    Compiling gl v0.7.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.50.0
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling wayland-window v0.8.0
[INFO] [stderr]    Compiling winit v0.8.3
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.43.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.31.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.48.0
[INFO] [stderr]    Compiling piston_window v0.75.0
[INFO] [stderr]    Compiling sketch-adventures v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(drain_filter)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:66:34
[INFO] [stderr]    |
[INFO] [stderr] 66 |     creations: std::vec::Vec<Box<creations::Creation>>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn creations::Creation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `sketch-adventures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1b74e61d270107ede4646b4642e0d84fa5255c0e04769e257d6531eb81622fad"`
[INFO] running `"docker" "rm" "-f" "1b74e61d270107ede4646b4642e0d84fa5255c0e04769e257d6531eb81622fad"`
[INFO] [stdout] 1b74e61d270107ede4646b4642e0d84fa5255c0e04769e257d6531eb81622fad