[INFO] crate ncollide_math 0.9.1 is already in cache
[INFO] extracting crate ncollide_math 0.9.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/ncollide_math/0.9.1
[INFO] extracting crate ncollide_math 0.9.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ncollide_math/0.9.1
[INFO] validating manifest of ncollide_math-0.9.1 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 ncollide_math-0.9.1 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 ncollide_math-0.9.1
[INFO] finished frobbing ncollide_math-0.9.1
[INFO] frobbed toml for ncollide_math-0.9.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ncollide_math/0.9.1/Cargo.toml
[INFO] started frobbing ncollide_math-0.9.1
[INFO] finished frobbing ncollide_math-0.9.1
[INFO] frobbed toml for ncollide_math-0.9.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ncollide_math/0.9.1/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 ncollide_math-0.9.1 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ncollide_math/0.9.1:/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] 25d1ff9a5a70371b2606e195f88345fc4260f023e6824daad996fbc14b197855
[INFO] running `"docker" "start" "-a" "25d1ff9a5a70371b2606e195f88345fc4260f023e6824daad996fbc14b197855"`
[INFO] [stderr]    Compiling nalgebra v0.14.4
[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-0.14.4/src/core/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 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 ncollide_math v0.9.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.32s
[INFO] running `"docker" "inspect" "25d1ff9a5a70371b2606e195f88345fc4260f023e6824daad996fbc14b197855"`
[INFO] running `"docker" "rm" "-f" "25d1ff9a5a70371b2606e195f88345fc4260f023e6824daad996fbc14b197855"`
[INFO] [stdout] 25d1ff9a5a70371b2606e195f88345fc4260f023e6824daad996fbc14b197855
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ncollide_math/0.9.1:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 360aaa8f07ae415f9a78ea2129559dc2ceb5b5fcb4479fb0f5d123040f52c8f6
[INFO] running `"docker" "start" "-a" "360aaa8f07ae415f9a78ea2129559dc2ceb5b5fcb4479fb0f5d123040f52c8f6"`
[INFO] [stderr]    Compiling ncollide_math v0.9.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "360aaa8f07ae415f9a78ea2129559dc2ceb5b5fcb4479fb0f5d123040f52c8f6"`
[INFO] running `"docker" "rm" "-f" "360aaa8f07ae415f9a78ea2129559dc2ceb5b5fcb4479fb0f5d123040f52c8f6"`
[INFO] [stdout] 360aaa8f07ae415f9a78ea2129559dc2ceb5b5fcb4479fb0f5d123040f52c8f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ncollide_math/0.9.1:/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" "test" "--frozen"`
[INFO] [stdout] a852148cbb4491a0c24af67594302e7c7fbeb8f2dc42ce6776e7c50edb2c8a1a
[INFO] running `"docker" "start" "-a" "a852148cbb4491a0c24af67594302e7c7fbeb8f2dc42ce6776e7c50edb2c8a1a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ncollide_math-7c73225b6a3b4ce9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ncollide_math
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a852148cbb4491a0c24af67594302e7c7fbeb8f2dc42ce6776e7c50edb2c8a1a"`
[INFO] running `"docker" "rm" "-f" "a852148cbb4491a0c24af67594302e7c7fbeb8f2dc42ce6776e7c50edb2c8a1a"`
[INFO] [stdout] a852148cbb4491a0c24af67594302e7c7fbeb8f2dc42ce6776e7c50edb2c8a1a