[INFO] updating cached repository dmitmel/pentomino101 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/dmitmel/pentomino101 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/dmitmel/pentomino101" "work/ex/beta-1.38-1/sources/1.37.0/gh/dmitmel/pentomino101"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dmitmel/pentomino101'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/dmitmel/pentomino101" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dmitmel/pentomino101"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dmitmel/pentomino101'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 476d2a5a5da3209e1a2caf6e1b2cb674723a3ba5 [INFO] sha for GitHub repo dmitmel/pentomino101: 476d2a5a5da3209e1a2caf6e1b2cb674723a3ba5 [INFO] validating manifest of dmitmel/pentomino101 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 dmitmel/pentomino101 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 dmitmel/pentomino101 [INFO] finished frobbing dmitmel/pentomino101 [INFO] frobbed toml for dmitmel/pentomino101 written to work/ex/beta-1.38-1/sources/1.37.0/gh/dmitmel/pentomino101/Cargo.toml [INFO] started frobbing dmitmel/pentomino101 [INFO] finished frobbing dmitmel/pentomino101 [INFO] frobbed toml for dmitmel/pentomino101 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dmitmel/pentomino101/Cargo.toml [INFO] crate dmitmel/pentomino101 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] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing dmitmel/pentomino101 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-6/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/dmitmel/pentomino101:/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] 4a6e33229979a36e9e16adf86657bb7dccfd2ffcc9ae9b387534cfad71ac4fef [INFO] running `"docker" "start" "-a" "4a6e33229979a36e9e16adf86657bb7dccfd2ffcc9ae9b387534cfad71ac4fef"` [INFO] [stderr] Compiling libm v0.1.3 [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Compiling num-complex v0.2.2 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling env_logger v0.6.1 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling alga v0.7.2 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Compiling nalgebra v0.16.13 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.13/src/base/cg.rs:291:44 [INFO] [stderr] | [INFO] [stderr] 291 | self[(j, i)] += shift[j] * self[(D::dim() - 1, i)]; [INFO] [stderr] | ---------------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling nalgebra-glm v0.1.3 [INFO] [stderr] Compiling pentomino101 v0.0.0 (/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(duration_float)] [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 `pentomino101`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4a6e33229979a36e9e16adf86657bb7dccfd2ffcc9ae9b387534cfad71ac4fef"` [INFO] running `"docker" "rm" "-f" "4a6e33229979a36e9e16adf86657bb7dccfd2ffcc9ae9b387534cfad71ac4fef"` [INFO] [stdout] 4a6e33229979a36e9e16adf86657bb7dccfd2ffcc9ae9b387534cfad71ac4fef