[INFO] updating cached repository diggsey-rust-meetup/gol [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/diggsey-rust-meetup/gol [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/diggsey-rust-meetup/gol" "work/ex/beta-1.38-1/sources/1.37.0/gh/diggsey-rust-meetup/gol"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/diggsey-rust-meetup/gol'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/diggsey-rust-meetup/gol" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/diggsey-rust-meetup/gol"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/diggsey-rust-meetup/gol'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] be80aa49aee0c12e40312a9f08712ac4d0105269 [INFO] sha for GitHub repo diggsey-rust-meetup/gol: be80aa49aee0c12e40312a9f08712ac4d0105269 [INFO] validating manifest of diggsey-rust-meetup/gol 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 diggsey-rust-meetup/gol 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 diggsey-rust-meetup/gol [INFO] finished frobbing diggsey-rust-meetup/gol [INFO] frobbed toml for diggsey-rust-meetup/gol written to work/ex/beta-1.38-1/sources/1.37.0/gh/diggsey-rust-meetup/gol/Cargo.toml [INFO] started frobbing diggsey-rust-meetup/gol [INFO] finished frobbing diggsey-rust-meetup/gol [INFO] frobbed toml for diggsey-rust-meetup/gol written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/diggsey-rust-meetup/gol/Cargo.toml [INFO] crate diggsey-rust-meetup/gol 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 diggsey-rust-meetup/gol 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/diggsey-rust-meetup/gol:/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] 4459c4a0532fa90958256ff55ac55a33fd36c6e9461d07a2e32f0d36b57f0ab6 [INFO] running `"docker" "start" "-a" "4459c4a0532fa90958256ff55ac55a33fd36c6e9461d07a2e32f0d36b57f0ab6"` [INFO] [stderr] Compiling phf_shared v0.7.19 [INFO] [stderr] Compiling serde v0.8.17 [INFO] [stderr] Compiling gcc v0.3.38 [INFO] [stderr] Compiling sdl2-sys v0.23.0 [INFO] [stderr] Compiling bitflags v0.6.0 [INFO] [stderr] Compiling piston-float v0.2.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling xml-rs v0.3.4 [INFO] [stderr] Compiling x11-dl v2.11.0 [INFO] [stderr] Compiling shared_library v0.1.5 [INFO] [stderr] Compiling semver v0.2.3 [INFO] [stderr] Compiling draw_state v0.6.0 [INFO] [stderr] Compiling vecmath v0.2.0 (https://github.com/PistonDevelopers/vecmath#c0b1954c) [INFO] [stderr] Compiling phf_generator v0.7.19 [INFO] [stderr] Compiling phf v0.7.19 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling phf_codegen v0.7.19 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling tempfile v2.1.4 [INFO] [stderr] Compiling gfx_core v0.5.0 (https://github.com/gfx-rs/gfx#dae247ce) [INFO] [stderr] Compiling target_build_utils v0.1.2 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling cmake v0.1.18 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling sdl2 v0.23.0 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling glfw-sys v3.2.1 [INFO] [stderr] Compiling wayland-scanner v0.7.6 [INFO] [stderr] Compiling gl_generator v0.5.2 [INFO] [stderr] Compiling wayland-client v0.7.6 [INFO] [stderr] Compiling serde_json v0.8.3 [INFO] [stderr] Compiling gfx_gl v0.3.1 [INFO] [stderr] Compiling glutin v0.7.0 [INFO] [stderr] Compiling glfw v0.5.0 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling libloading v0.3.1 [INFO] [stderr] Compiling dlib v0.3.1 [INFO] [stderr] Compiling wayland-sys v0.7.6 [INFO] [stderr] Compiling wayland-kbd v0.6.2 [INFO] [stderr] Compiling wayland-window v0.4.2 [INFO] [stderr] Compiling winit v0.5.5 [INFO] [stderr] Compiling gfx_device_gl v0.12.0 (https://github.com/gfx-rs/gfx#dae247ce) [INFO] [stderr] Compiling gfx v0.13.0 (https://github.com/gfx-rs/gfx#dae247ce) [INFO] [stderr] Compiling gfx_window_sdl v0.4.0 (https://github.com/gfx-rs/gfx#dae247ce) [INFO] [stderr] Compiling gfx_window_glfw v0.12.0 (https://github.com/gfx-rs/gfx#dae247ce) [INFO] [stderr] Compiling gfx_window_glutin v0.13.1 (https://github.com/gfx-rs/gfx#dae247ce) [INFO] [stderr] Compiling gol 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(conservative_impl_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 `gol`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4459c4a0532fa90958256ff55ac55a33fd36c6e9461d07a2e32f0d36b57f0ab6"` [INFO] running `"docker" "rm" "-f" "4459c4a0532fa90958256ff55ac55a33fd36c6e9461d07a2e32f0d36b57f0ab6"` [INFO] [stdout] 4459c4a0532fa90958256ff55ac55a33fd36c6e9461d07a2e32f0d36b57f0ab6