[INFO] updating cached repository SiegeEngine/mathwrap
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SiegeEngine/mathwrap
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SiegeEngine/mathwrap" "work/ex/beta-1.38-1/sources/1.37.0/gh/SiegeEngine/mathwrap"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/SiegeEngine/mathwrap'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SiegeEngine/mathwrap" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SiegeEngine/mathwrap"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SiegeEngine/mathwrap'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 47a1de79e6bd6fdffaebb851985a08815d9b7a5c
[INFO] sha for GitHub repo SiegeEngine/mathwrap: 47a1de79e6bd6fdffaebb851985a08815d9b7a5c
[INFO] validating manifest of SiegeEngine/mathwrap 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 SiegeEngine/mathwrap 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 SiegeEngine/mathwrap
[INFO] finished frobbing SiegeEngine/mathwrap
[INFO] frobbed toml for SiegeEngine/mathwrap written to work/ex/beta-1.38-1/sources/1.37.0/gh/SiegeEngine/mathwrap/Cargo.toml
[INFO] started frobbing SiegeEngine/mathwrap
[INFO] finished frobbing SiegeEngine/mathwrap
[INFO] frobbed toml for SiegeEngine/mathwrap written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SiegeEngine/mathwrap/Cargo.toml
[INFO] crate SiegeEngine/mathwrap 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing SiegeEngine/mathwrap 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SiegeEngine/mathwrap:/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] 728d9c1b83e9b900431bf5ac6d04b3313434031203f4b9a3f2fa2b2758bd7cd6
[INFO] running `"docker" "start" "-a" "728d9c1b83e9b900431bf5ac6d04b3313434031203f4b9a3f2fa2b2758bd7cd6"`
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling nalgebra v0.14.3
[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-0.14.3/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 mathwrap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.31s
[INFO] running `"docker" "inspect" "728d9c1b83e9b900431bf5ac6d04b3313434031203f4b9a3f2fa2b2758bd7cd6"`
[INFO] running `"docker" "rm" "-f" "728d9c1b83e9b900431bf5ac6d04b3313434031203f4b9a3f2fa2b2758bd7cd6"`
[INFO] [stdout] 728d9c1b83e9b900431bf5ac6d04b3313434031203f4b9a3f2fa2b2758bd7cd6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SiegeEngine/mathwrap:/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] 8ec03311e8bb0dcd1297c1263da0418d85a0311b5185b85c4a53a37d77157616
[INFO] running `"docker" "start" "-a" "8ec03311e8bb0dcd1297c1263da0418d85a0311b5185b85c4a53a37d77157616"`
[INFO] [stderr]    Compiling mathwrap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "8ec03311e8bb0dcd1297c1263da0418d85a0311b5185b85c4a53a37d77157616"`
[INFO] running `"docker" "rm" "-f" "8ec03311e8bb0dcd1297c1263da0418d85a0311b5185b85c4a53a37d77157616"`
[INFO] [stdout] 8ec03311e8bb0dcd1297c1263da0418d85a0311b5185b85c4a53a37d77157616
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SiegeEngine/mathwrap:/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] 0b4aff44c141c938701646a974bb330795a0329d50fac174a68c255f45c4372e
[INFO] running `"docker" "start" "-a" "0b4aff44c141c938701646a974bb330795a0329d50fac174a68c255f45c4372e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mathwrap-5c35eeec051b148f
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test angle::tests::test_assignops ... ok
[INFO] [stdout] test angle::tests::test_cgmath_conversion ... ok
[INFO] [stdout] test angle::tests::test_cycles ... ok
[INFO] [stdout] test angle::tests::test_radians ... ok
[INFO] [stdout] test angle::tests::test_relations ... ok
[INFO] [stdout] test angle::tests::test_degrees ... ok
[INFO] [stdout] test angle::tests::test_normalize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mathwrap
[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" "0b4aff44c141c938701646a974bb330795a0329d50fac174a68c255f45c4372e"`
[INFO] running `"docker" "rm" "-f" "0b4aff44c141c938701646a974bb330795a0329d50fac174a68c255f45c4372e"`
[INFO] [stdout] 0b4aff44c141c938701646a974bb330795a0329d50fac174a68c255f45c4372e