[INFO] updating cached repository mythmon/gameofwar
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mythmon/gameofwar
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mythmon/gameofwar" "work/ex/beta-1.38-1/sources/1.37.0/gh/mythmon/gameofwar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mythmon/gameofwar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mythmon/gameofwar" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mythmon/gameofwar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mythmon/gameofwar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbe7ddd2f3a9ca744260d9c7bd0d646c0f6ee772
[INFO] sha for GitHub repo mythmon/gameofwar: dbe7ddd2f3a9ca744260d9c7bd0d646c0f6ee772
[INFO] validating manifest of mythmon/gameofwar 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 mythmon/gameofwar 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 mythmon/gameofwar
[INFO] finished frobbing mythmon/gameofwar
[INFO] frobbed toml for mythmon/gameofwar written to work/ex/beta-1.38-1/sources/1.37.0/gh/mythmon/gameofwar/Cargo.toml
[INFO] started frobbing mythmon/gameofwar
[INFO] finished frobbing mythmon/gameofwar
[INFO] frobbed toml for mythmon/gameofwar written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mythmon/gameofwar/Cargo.toml
[INFO] crate mythmon/gameofwar 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/mythmon/gameofwar/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[INFO] the lockfile is outdated, regenerating it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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 mythmon/gameofwar 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mythmon/gameofwar:/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] 2a49b21e3f9dd5eca6ca46904cfad86593e7ab587fb5feed565960155edb5164
[INFO] running `"docker" "start" "-a" "2a49b21e3f9dd5eca6ca46904cfad86593e7ab587fb5feed565960155edb5164"`
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling piston-texture v0.3.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.1.0
[INFO] [stderr]    Compiling draw_state v0.2.0
[INFO] [stderr]    Compiling freetype-sys v0.3.1
[INFO] [stderr]    Compiling pistoncore-input v0.8.1
[INFO] [stderr]    Compiling dylib v0.0.1
[INFO] [stderr]    Compiling osmesa-sys v0.0.5
[INFO] [stderr]    Compiling glutin v0.4.9
[INFO] [stderr]    Compiling png v0.4.3
[INFO] [stderr]    Compiling x11-dl v2.3.1
[INFO] [stderr]    Compiling gif v0.7.0
[INFO] [stderr]    Compiling freetype-rs v0.5.0
[INFO] [stderr]    Compiling piston2d-graphics v0.13.1
[INFO] [stderr]    Compiling image v0.6.1
[INFO] [stderr]    Compiling pistoncore-window v0.15.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.18.0
[INFO] [stderr]    Compiling piston v0.18.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.23.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.21.0
[INFO] [stderr]    Compiling gameofwar v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stderr]  --> src/utils/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Zero;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stderr] 
[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(zero_one)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `gameofwar`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2a49b21e3f9dd5eca6ca46904cfad86593e7ab587fb5feed565960155edb5164"`
[INFO] running `"docker" "rm" "-f" "2a49b21e3f9dd5eca6ca46904cfad86593e7ab587fb5feed565960155edb5164"`
[INFO] [stdout] 2a49b21e3f9dd5eca6ca46904cfad86593e7ab587fb5feed565960155edb5164