[INFO] crate softrender 0.1.0 is already in cache
[INFO] extracting crate softrender 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/softrender/0.1.0
[INFO] extracting crate softrender 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/softrender/0.1.0
[INFO] validating manifest of softrender-0.1.0 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 softrender-0.1.0 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 softrender-0.1.0
[INFO] finished frobbing softrender-0.1.0
[INFO] frobbed toml for softrender-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/softrender/0.1.0/Cargo.toml
[INFO] started frobbing softrender-0.1.0
[INFO] finished frobbing softrender-0.1.0
[INFO] frobbed toml for softrender-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/softrender/0.1.0/Cargo.toml
[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 softrender-0.1.0 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-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/softrender/0.1.0:/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] f2bf933d86f938e57befe731f4856d127e43fda1edd0473dcfffce22cb9f1efe
[INFO] running `"docker" "start" "-a" "f2bf933d86f938e57befe731f4856d127e43fda1edd0473dcfffce22cb9f1efe"`
[INFO] [stderr]    Compiling generic-array v0.2.1
[INFO] [stderr]    Compiling alga v0.5.4
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling nalgebra v0.12.3
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::ops::Mul<&_>` for type `geometry::translation::TranslationBase<_, _, _>`:
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.12.3/src/geometry/isometry_ops.rs:68:9
[INFO] [stderr]     |
[INFO] [stderr] 68  | /         impl<$($lives ,)* N, D: DimName, S, R> $Op<$Rhs> for $Lhs
[INFO] [stderr] 69  | |             where N: Real,
[INFO] [stderr] 70  | |                   S: OwnedStorage<N, D, U1>,
[INFO] [stderr] 71  | |                   R: Rotation<PointBase<N, D, S>>,
[INFO] [stderr] ...   |
[INFO] [stderr] 78  | |             }
[INFO] [stderr] 79  | |         }
[INFO] [stderr]     | |         ^
[INFO] [stderr]     | |         |
[INFO] [stderr]     | |_________first implementation here
[INFO] [stderr]     |           conflicting implementation for `geometry::translation::TranslationBase<_, _, _>`
[INFO] [stderr] ...
[INFO] [stderr] 286 | / isometry_binop_impl_all!(
[INFO] [stderr] 287 | |     Mul, mul;
[INFO] [stderr] 288 | |     self: TranslationBase<N, D, S>, right: R, Output = IsometryBase<N, D, S, R>;
[INFO] [stderr] 289 | |     [val val] => IsometryBase::from_parts(self, right);
[INFO] [stderr] ...   |
[INFO] [stderr] 292 | |     [ref ref] => IsometryBase::from_parts(self.clone(), right.clone());
[INFO] [stderr] 293 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: downstream crates may implement trait `alga::linear::Rotation<geometry::point::PointBase<_, _, _>>` for type `&_`
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::ops::Mul<&_>` for type `&geometry::translation::TranslationBase<_, _, _>`:
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.12.3/src/geometry/isometry_ops.rs:68:9
[INFO] [stderr]     |
[INFO] [stderr] 68  | /         impl<$($lives ,)* N, D: DimName, S, R> $Op<$Rhs> for $Lhs
[INFO] [stderr] 69  | |             where N: Real,
[INFO] [stderr] 70  | |                   S: OwnedStorage<N, D, U1>,
[INFO] [stderr] 71  | |                   R: Rotation<PointBase<N, D, S>>,
[INFO] [stderr] ...   |
[INFO] [stderr] 78  | |             }
[INFO] [stderr] 79  | |         }
[INFO] [stderr]     | |         ^
[INFO] [stderr]     | |         |
[INFO] [stderr]     | |_________first implementation here
[INFO] [stderr]     |           conflicting implementation for `&geometry::translation::TranslationBase<_, _, _>`
[INFO] [stderr] ...
[INFO] [stderr] 286 | / isometry_binop_impl_all!(
[INFO] [stderr] 287 | |     Mul, mul;
[INFO] [stderr] 288 | |     self: TranslationBase<N, D, S>, right: R, Output = IsometryBase<N, D, S, R>;
[INFO] [stderr] 289 | |     [val val] => IsometryBase::from_parts(self, right);
[INFO] [stderr] ...   |
[INFO] [stderr] 292 | |     [ref ref] => IsometryBase::from_parts(self.clone(), right.clone());
[INFO] [stderr] 293 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: downstream crates may implement trait `alga::linear::Rotation<geometry::point::PointBase<_, _, _>>` for type `&_`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0119`.
[INFO] [stderr] error: Could not compile `nalgebra`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f2bf933d86f938e57befe731f4856d127e43fda1edd0473dcfffce22cb9f1efe"`
[INFO] running `"docker" "rm" "-f" "f2bf933d86f938e57befe731f4856d127e43fda1edd0473dcfffce22cb9f1efe"`
[INFO] [stdout] f2bf933d86f938e57befe731f4856d127e43fda1edd0473dcfffce22cb9f1efe