[INFO] updating cached repository Delta-Psi/circuit-solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Delta-Psi/circuit-solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Delta-Psi/circuit-solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/Delta-Psi/circuit-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Delta-Psi/circuit-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Delta-Psi/circuit-solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Delta-Psi/circuit-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Delta-Psi/circuit-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be766aa7ff8f32184439758f407ded638590a490
[INFO] sha for GitHub repo Delta-Psi/circuit-solver: be766aa7ff8f32184439758f407ded638590a490
[INFO] validating manifest of Delta-Psi/circuit-solver 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 Delta-Psi/circuit-solver 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 Delta-Psi/circuit-solver
[INFO] finished frobbing Delta-Psi/circuit-solver
[INFO] frobbed toml for Delta-Psi/circuit-solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/Delta-Psi/circuit-solver/Cargo.toml
[INFO] started frobbing Delta-Psi/circuit-solver
[INFO] finished frobbing Delta-Psi/circuit-solver
[INFO] frobbed toml for Delta-Psi/circuit-solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Delta-Psi/circuit-solver/Cargo.toml
[INFO] crate Delta-Psi/circuit-solver 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Delta-Psi/circuit-solver 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-7/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/Delta-Psi/circuit-solver:/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] fe0395bea2afce7694c5c6f0bd2c492807035bf9273d5ac59bf9c39c92a78750
[INFO] running `"docker" "start" "-a" "fe0395bea2afce7694c5c6f0bd2c492807035bf9273d5ac59bf9c39c92a78750"`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling matrixmultiply v0.2.2
[INFO] [stderr]    Compiling strcursor v0.2.5
[INFO] [stderr]    Compiling scan-rules v0.2.0
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling nalgebra v0.17.2
[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-0.17.2/src/base/cg.rs:297:44
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 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 circuit-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.75s
[INFO] running `"docker" "inspect" "fe0395bea2afce7694c5c6f0bd2c492807035bf9273d5ac59bf9c39c92a78750"`
[INFO] running `"docker" "rm" "-f" "fe0395bea2afce7694c5c6f0bd2c492807035bf9273d5ac59bf9c39c92a78750"`
[INFO] [stdout] fe0395bea2afce7694c5c6f0bd2c492807035bf9273d5ac59bf9c39c92a78750
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/Delta-Psi/circuit-solver:/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] 7ec5454513fd8dd1f87509d37e7fe3d217c0bdec68c87e1b1c1b9ec88394c8ee
[INFO] running `"docker" "start" "-a" "7ec5454513fd8dd1f87509d37e7fe3d217c0bdec68c87e1b1c1b9ec88394c8ee"`
[INFO] [stderr]    Compiling circuit-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "7ec5454513fd8dd1f87509d37e7fe3d217c0bdec68c87e1b1c1b9ec88394c8ee"`
[INFO] running `"docker" "rm" "-f" "7ec5454513fd8dd1f87509d37e7fe3d217c0bdec68c87e1b1c1b9ec88394c8ee"`
[INFO] [stdout] 7ec5454513fd8dd1f87509d37e7fe3d217c0bdec68c87e1b1c1b9ec88394c8ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/Delta-Psi/circuit-solver:/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] f057004280b2c949d9f4a2cbca81a1627af9dbfa51c33c385d86207997537788
[INFO] running `"docker" "start" "-a" "f057004280b2c949d9f4a2cbca81a1627af9dbfa51c33c385d86207997537788"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/circuit_solver-3c8c47d9efa1d067
[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" "f057004280b2c949d9f4a2cbca81a1627af9dbfa51c33c385d86207997537788"`
[INFO] running `"docker" "rm" "-f" "f057004280b2c949d9f4a2cbca81a1627af9dbfa51c33c385d86207997537788"`
[INFO] [stdout] f057004280b2c949d9f4a2cbca81a1627af9dbfa51c33c385d86207997537788