[INFO] crate kalman_filter 0.1.2 is already in cache
[INFO] extracting crate kalman_filter 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/kalman_filter/0.1.2
[INFO] extracting crate kalman_filter 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/kalman_filter/0.1.2
[INFO] validating manifest of kalman_filter-0.1.2 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 kalman_filter-0.1.2 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 kalman_filter-0.1.2
[INFO] finished frobbing kalman_filter-0.1.2
[INFO] frobbed toml for kalman_filter-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/kalman_filter/0.1.2/Cargo.toml
[INFO] started frobbing kalman_filter-0.1.2
[INFO] finished frobbing kalman_filter-0.1.2
[INFO] frobbed toml for kalman_filter-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/kalman_filter/0.1.2/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 kalman_filter-0.1.2 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/kalman_filter/0.1.2:/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] f3f3a50722a1440ecac4861c6bda9275f6f3d7cd4b26a4eba7fdf6d241901f6c
[INFO] running `"docker" "start" "-a" "f3f3a50722a1440ecac4861c6bda9275f6f3d7cd4b26a4eba7fdf6d241901f6c"`
[INFO] [stderr]    Compiling alga v0.5.4
[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 kalman_filter v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.24s
[INFO] running `"docker" "inspect" "f3f3a50722a1440ecac4861c6bda9275f6f3d7cd4b26a4eba7fdf6d241901f6c"`
[INFO] running `"docker" "rm" "-f" "f3f3a50722a1440ecac4861c6bda9275f6f3d7cd4b26a4eba7fdf6d241901f6c"`
[INFO] [stdout] f3f3a50722a1440ecac4861c6bda9275f6f3d7cd4b26a4eba7fdf6d241901f6c
[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/kalman_filter/0.1.2:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5dd67cab793fccc310e5d3c0e4df20ec5a74e4481011bb3de9146b1b32f3ba12
[INFO] running `"docker" "start" "-a" "5dd67cab793fccc310e5d3c0e4df20ec5a74e4481011bb3de9146b1b32f3ba12"`
[INFO] [stderr]    Compiling kalman_filter v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "5dd67cab793fccc310e5d3c0e4df20ec5a74e4481011bb3de9146b1b32f3ba12"`
[INFO] running `"docker" "rm" "-f" "5dd67cab793fccc310e5d3c0e4df20ec5a74e4481011bb3de9146b1b32f3ba12"`
[INFO] [stdout] 5dd67cab793fccc310e5d3c0e4df20ec5a74e4481011bb3de9146b1b32f3ba12
[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/kalman_filter/0.1.2:/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" "test" "--frozen"`
[INFO] [stdout] 83232826ce64197cbd7dae2416f9929e293cd02dd131fd1abf7452af92048d50
[INFO] running `"docker" "start" "-a" "83232826ce64197cbd7dae2416f9929e293cd02dd131fd1abf7452af92048d50"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kalman_filter-77fbb643ce76518c
[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 kalman_filter
[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" "83232826ce64197cbd7dae2416f9929e293cd02dd131fd1abf7452af92048d50"`
[INFO] running `"docker" "rm" "-f" "83232826ce64197cbd7dae2416f9929e293cd02dd131fd1abf7452af92048d50"`
[INFO] [stdout] 83232826ce64197cbd7dae2416f9929e293cd02dd131fd1abf7452af92048d50