[INFO] crate sprs-ldl 0.4.0 is already in cache
[INFO] extracting crate sprs-ldl 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/sprs-ldl/0.4.0
[INFO] extracting crate sprs-ldl 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sprs-ldl/0.4.0
[INFO] validating manifest of sprs-ldl-0.4.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sprs-ldl-0.4.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sprs-ldl-0.4.0
[INFO] finished frobbing sprs-ldl-0.4.0
[INFO] frobbed toml for sprs-ldl-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sprs-ldl/0.4.0/Cargo.toml
[INFO] started frobbing sprs-ldl-0.4.0
[INFO] finished frobbing sprs-ldl-0.4.0
[INFO] frobbed toml for sprs-ldl-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sprs-ldl/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sprs-ldl-0.4.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sprs-ldl/0.4.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 50f1bb1f3fa60203929a903a42903a5a937685194114c91feaf63ff7035b56cc
[INFO] running `"docker" "start" "-a" "50f1bb1f3fa60203929a903a42903a5a937685194114c91feaf63ff7035b56cc"`
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling alga v0.5.4
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling sprs v0.6.4
[INFO] [stderr] warning[E0502]: cannot borrow `indptr` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sprs-0.6.4/src/sparse/triplet_iter.rs:122:26
[INFO] [stderr]     |
[INFO] [stderr] 122 |             indptr[i] += indptr[i - 1];
[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] 
[INFO] [stderr]    Compiling sprs-ldl v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.47s
[INFO] running `"docker" "inspect" "50f1bb1f3fa60203929a903a42903a5a937685194114c91feaf63ff7035b56cc"`
[INFO] running `"docker" "rm" "-f" "50f1bb1f3fa60203929a903a42903a5a937685194114c91feaf63ff7035b56cc"`
[INFO] [stdout] 50f1bb1f3fa60203929a903a42903a5a937685194114c91feaf63ff7035b56cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sprs-ldl/0.4.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 90198a0a8248f243ac815961aca625477cdabc872401348e30dd55cf6ac766f4
[INFO] running `"docker" "start" "-a" "90198a0a8248f243ac815961aca625477cdabc872401348e30dd55cf6ac766f4"`
[INFO] [stderr]    Compiling sprs-ldl v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "90198a0a8248f243ac815961aca625477cdabc872401348e30dd55cf6ac766f4"`
[INFO] running `"docker" "rm" "-f" "90198a0a8248f243ac815961aca625477cdabc872401348e30dd55cf6ac766f4"`
[INFO] [stdout] 90198a0a8248f243ac815961aca625477cdabc872401348e30dd55cf6ac766f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sprs-ldl/0.4.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 577e8f1b0fe6a4439544c4350689c17362745a2be298de5f202e25d432b3f5c5
[INFO] running `"docker" "start" "-a" "577e8f1b0fe6a4439544c4350689c17362745a2be298de5f202e25d432b3f5c5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sprs_ldl-cc4169a342cc6963
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_solve1 ... ok
[INFO] [stdout] test test::test_factor1 ... ok
[INFO] [stdout] test test::permuted_ldl_solve ... ok
[INFO] [stdout] test test::test_factor_solve1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sprs-ldl
[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" "577e8f1b0fe6a4439544c4350689c17362745a2be298de5f202e25d432b3f5c5"`
[INFO] running `"docker" "rm" "-f" "577e8f1b0fe6a4439544c4350689c17362745a2be298de5f202e25d432b3f5c5"`
[INFO] [stdout] 577e8f1b0fe6a4439544c4350689c17362745a2be298de5f202e25d432b3f5c5