[INFO] updating cached repository loovjo/soviet-sim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/loovjo/soviet-sim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/loovjo/soviet-sim" "work/ex/beta-1.38-1/sources/1.37.0/gh/loovjo/soviet-sim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/loovjo/soviet-sim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/loovjo/soviet-sim" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/loovjo/soviet-sim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/loovjo/soviet-sim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c28732f7ed6141ca041cc4e8254795e063cbcfb
[INFO] sha for GitHub repo loovjo/soviet-sim: 4c28732f7ed6141ca041cc4e8254795e063cbcfb
[INFO] validating manifest of loovjo/soviet-sim 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 loovjo/soviet-sim 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 loovjo/soviet-sim
[INFO] finished frobbing loovjo/soviet-sim
[INFO] frobbed toml for loovjo/soviet-sim written to work/ex/beta-1.38-1/sources/1.37.0/gh/loovjo/soviet-sim/Cargo.toml
[INFO] started frobbing loovjo/soviet-sim
[INFO] finished frobbing loovjo/soviet-sim
[INFO] frobbed toml for loovjo/soviet-sim written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/loovjo/soviet-sim/Cargo.toml
[INFO] crate loovjo/soviet-sim 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 loovjo/soviet-sim 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/loovjo/soviet-sim:/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] ef3099bf800bfc5717b4925ff6b998510be40555623a8e12472dcdf7ce7cff7a
[INFO] running `"docker" "start" "-a" "ef3099bf800bfc5717b4925ff6b998510be40555623a8e12472dcdf7ce7cff7a"`
[INFO] [stderr]    Compiling soviet-sim v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(vec_remove_item, nll, const_let)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/key.rs:50:11
[INFO] [stderr]    |
[INFO] [stderr] 50 |         65...90 => Some(Key::Letter(code - b'A')),
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/key.rs:51:11
[INFO] [stderr]    |
[INFO] [stderr] 51 |         48...57 => Some(Key::Digit(code - 48)),
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/entity/mod.rs:159:27
[INFO] [stderr]     |
[INFO] [stderr] 159 |               type Target = Entity;
[INFO] [stderr]     |                             ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] ...
[INFO] [stderr] 182 | / MakeEntityWrapper!(
[INFO] [stderr] 183 | |     Player=WPlayer,
[INFO] [stderr] 184 | |     Josef=WJosef,
[INFO] [stderr] 185 | |     Police=WPolice,
[INFO] [stderr] 186 | |     Bomb=WBomb,
[INFO] [stderr] 187 | |     Bullet=WBullet
[INFO] [stderr] 188 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[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 `soviet-sim`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ef3099bf800bfc5717b4925ff6b998510be40555623a8e12472dcdf7ce7cff7a"`
[INFO] running `"docker" "rm" "-f" "ef3099bf800bfc5717b4925ff6b998510be40555623a8e12472dcdf7ce7cff7a"`
[INFO] [stdout] ef3099bf800bfc5717b4925ff6b998510be40555623a8e12472dcdf7ce7cff7a