[INFO] updating cached repository McGittyHub/cubes-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/McGittyHub/cubes-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/McGittyHub/cubes-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/McGittyHub/cubes-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/McGittyHub/cubes-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/McGittyHub/cubes-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/McGittyHub/cubes-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/McGittyHub/cubes-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4b078a42c3e27afd3107a171f8b7614319817036 [INFO] sha for GitHub repo McGittyHub/cubes-rs: 4b078a42c3e27afd3107a171f8b7614319817036 [INFO] validating manifest of McGittyHub/cubes-rs 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 McGittyHub/cubes-rs 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 McGittyHub/cubes-rs [INFO] finished frobbing McGittyHub/cubes-rs [INFO] frobbed toml for McGittyHub/cubes-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/McGittyHub/cubes-rs/Cargo.toml [INFO] started frobbing McGittyHub/cubes-rs [INFO] finished frobbing McGittyHub/cubes-rs [INFO] frobbed toml for McGittyHub/cubes-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/McGittyHub/cubes-rs/Cargo.toml [INFO] crate McGittyHub/cubes-rs 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 McGittyHub/cubes-rs against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/McGittyHub/cubes-rs:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 27ad34f50972a62a62418af44f79888670fa0d64b4cda4b4a44669a79127cde0 [INFO] running `"docker" "start" "-a" "27ad34f50972a62a62418af44f79888670fa0d64b4cda4b4a44669a79127cde0"` [INFO] [stderr] Compiling libc v0.2.35 [INFO] [stderr] Compiling x11-dl v2.17.2 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-complex v0.1.41 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling ordered-float v0.5.0 [INFO] [stderr] Compiling gl_generator v0.7.0 [INFO] [stderr] Compiling gfx_core v0.8.0 [INFO] [stderr] Compiling rusttype v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling dlib v0.4.0 [INFO] [stderr] Compiling wayland-sys v0.12.5 [INFO] [stderr] Compiling wayland-client v0.12.5 [INFO] [stderr] Compiling rand v0.3.20 [INFO] [stderr] Compiling memmap v0.6.2 [INFO] [stderr] Compiling shared_library v0.1.8 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling backtrace v0.3.5 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling num-bigint v0.1.41 [INFO] [stderr] Compiling noise v0.4.1 [INFO] [stderr] Compiling wayland-protocols v0.12.5 [INFO] [stderr] Compiling wayland-kbd v0.13.1 [INFO] [stderr] Compiling gfx_gl v0.4.0 [INFO] [stderr] Compiling glutin v0.12.0 [INFO] [stderr] Compiling cgmath v0.16.0 [INFO] [stderr] Compiling num-rational v0.1.40 [INFO] [stderr] Compiling num v0.1.41 [INFO] [stderr] Compiling wayland-window v0.13.2 [INFO] [stderr] Compiling winit v0.10.0 [INFO] [stderr] Compiling collision v0.14.0 [INFO] [stderr] Compiling gfx v0.17.1 [INFO] [stderr] Compiling gfx_device_gl v0.15.0 [INFO] [stderr] Compiling gfx_window_glutin v0.20.0 [INFO] [stderr] Compiling gfx_glyph v0.8.0 [INFO] [stderr] Compiling cubes-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(conservative_impl_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(entry_and_modify)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `cubes-rs`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "27ad34f50972a62a62418af44f79888670fa0d64b4cda4b4a44669a79127cde0"` [INFO] running `"docker" "rm" "-f" "27ad34f50972a62a62418af44f79888670fa0d64b4cda4b4a44669a79127cde0"` [INFO] [stdout] 27ad34f50972a62a62418af44f79888670fa0d64b4cda4b4a44669a79127cde0