[INFO] updating cached repository CasperN/asteroids
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CasperN/asteroids
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CasperN/asteroids" "work/ex/beta-1.38-1/sources/1.37.0/gh/CasperN/asteroids"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/CasperN/asteroids'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CasperN/asteroids" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CasperN/asteroids"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CasperN/asteroids'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e959c986a7be37f8408e27d5d551e507efac5817
[INFO] sha for GitHub repo CasperN/asteroids: e959c986a7be37f8408e27d5d551e507efac5817
[INFO] validating manifest of CasperN/asteroids 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 CasperN/asteroids 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 CasperN/asteroids
[INFO] finished frobbing CasperN/asteroids
[INFO] frobbed toml for CasperN/asteroids written to work/ex/beta-1.38-1/sources/1.37.0/gh/CasperN/asteroids/Cargo.toml
[INFO] started frobbing CasperN/asteroids
[INFO] finished frobbing CasperN/asteroids
[INFO] frobbed toml for CasperN/asteroids written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CasperN/asteroids/Cargo.toml
[INFO] crate CasperN/asteroids 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 CasperN/asteroids 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/CasperN/asteroids:/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] e7761f2887c0b5130347c0eed5b6bc81f24835984776fe60a1db610012c18803
[INFO] running `"docker" "start" "-a" "e7761f2887c0b5130347c0eed5b6bc81f24835984776fe60a1db610012c18803"`
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling asteroids 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(euclidean_division)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(non_modrs_mods)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `div_euc` found for type `f32` in the current scope
[INFO] [stderr]   --> src/collision.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let row = x.div_euc(X_LEN / NUM_CELLS as f32) as usize;
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `div_euc` found for type `f32` in the current scope
[INFO] [stderr]   --> src/collision.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let col = y.div_euc(X_LEN / NUM_CELLS as f32) as usize;
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `mod_euc` found for type `f32` in the current scope
[INFO] [stderr]   --> src/component/momentum.rs:58:33
[INFO] [stderr]    |
[INFO] [stderr] 58 |         self.theta = self.theta.mod_euc(2.0 * PI);
[INFO] [stderr]    |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `mod_euc` found for type `f32` in the current scope
[INFO] [stderr]   --> src/vector_2d.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 |         V2(self.0.mod_euc(xmod), self.1.mod_euc(ymod))
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `mod_euc` found for type `f32` in the current scope
[INFO] [stderr]   --> src/vector_2d.rs:17:41
[INFO] [stderr]    |
[INFO] [stderr] 17 |         V2(self.0.mod_euc(xmod), self.1.mod_euc(ymod))
[INFO] [stderr]    |                                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `asteroids`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e7761f2887c0b5130347c0eed5b6bc81f24835984776fe60a1db610012c18803"`
[INFO] running `"docker" "rm" "-f" "e7761f2887c0b5130347c0eed5b6bc81f24835984776fe60a1db610012c18803"`
[INFO] [stdout] e7761f2887c0b5130347c0eed5b6bc81f24835984776fe60a1db610012c18803