[INFO] crate casimir-fdfd 0.2.0 is already in cache
[INFO] extracting crate casimir-fdfd 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/casimir-fdfd/0.2.0
[INFO] extracting crate casimir-fdfd 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/casimir-fdfd/0.2.0
[INFO] validating manifest of casimir-fdfd-0.2.0 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 casimir-fdfd-0.2.0 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 casimir-fdfd-0.2.0
[INFO] finished frobbing casimir-fdfd-0.2.0
[INFO] frobbed toml for casimir-fdfd-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/casimir-fdfd/0.2.0/Cargo.toml
[INFO] started frobbing casimir-fdfd-0.2.0
[INFO] finished frobbing casimir-fdfd-0.2.0
[INFO] frobbed toml for casimir-fdfd-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/casimir-fdfd/0.2.0/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 casimir-fdfd-0.2.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/casimir-fdfd/0.2.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 27039835bb86b5aa5b4263743455cc213a6a0612b92ce378bfc0d39b2ac39d6a
[INFO] running `"docker" "start" "-a" "27039835bb86b5aa5b4263743455cc213a6a0612b92ce378bfc0d39b2ac39d6a"`
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling approx v0.2.1
[INFO] [stderr]    Compiling alga v0.6.0
[INFO] [stderr]    Compiling nalgebra v0.15.3
[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-0.15.3/src/base/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 casimir-fdfd v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.22s
[INFO] running `"docker" "inspect" "27039835bb86b5aa5b4263743455cc213a6a0612b92ce378bfc0d39b2ac39d6a"`
[INFO] running `"docker" "rm" "-f" "27039835bb86b5aa5b4263743455cc213a6a0612b92ce378bfc0d39b2ac39d6a"`
[INFO] [stdout] 27039835bb86b5aa5b4263743455cc213a6a0612b92ce378bfc0d39b2ac39d6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/casimir-fdfd/0.2.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] db5fafaa15b36cdf60175919ccb18465d271ef797ad15a8dcb80eee39b3fcfda
[INFO] running `"docker" "start" "-a" "db5fafaa15b36cdf60175919ccb18465d271ef797ad15a8dcb80eee39b3fcfda"`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling casimir-fdfd v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `"docker" "inspect" "db5fafaa15b36cdf60175919ccb18465d271ef797ad15a8dcb80eee39b3fcfda"`
[INFO] running `"docker" "rm" "-f" "db5fafaa15b36cdf60175919ccb18465d271ef797ad15a8dcb80eee39b3fcfda"`
[INFO] [stdout] db5fafaa15b36cdf60175919ccb18465d271ef797ad15a8dcb80eee39b3fcfda
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/casimir-fdfd/0.2.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2ca01d3daba58f4cd24bb788160a8dbdcac9a50798b7a0b8303f0b19e86749a4
[INFO] running `"docker" "start" "-a" "2ca01d3daba58f4cd24bb788160a8dbdcac9a50798b7a0b8303f0b19e86749a4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/casimir_fdfd-bef3c7566faa662b
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test fields::scalarfield::tests::add_assign_scalar_field_scalar_field ... ok
[INFO] [stdout] test fields::scalarfield::tests::add_scalar_field_scalar_field ... ok
[INFO] [stdout] test config::tests::deserialize ... ok
[INFO] [stdout] test fields::scalarfield::tests::mul_scalar_field_f32 ... ok
[INFO] [stdout] test fields::scalarfield::tests::multiplicative_invert ... ok
[INFO] [stdout] test fields::scalarfield::tests::sub_assign_scalar_field_scalar_field ... ok
[INFO] [stdout] test fields::scalarfield::tests::mul_assign_scalar_field_f32 ... ok
[INFO] [stdout] test fields::scalarfield::tests::index ... ok
[INFO] [stdout] test fields::scalarfield::tests::mul_f32_scalar_field ... ok
[INFO] [stdout] test fields::scalarfield::tests::sub_scalar_field_scalar_field ... ok
[INFO] [stdout] test fields::scalarfield::tests::test_ones_and_properties ... ok
[INFO] [stdout] test fields::scaledvectorfield::tests::test_add_assign_scaled_vector_field ... ok
[INFO] [stdout] test fields::scaledvectorfield::tests::test_mul_f32_vector_field_ref ... ok
[INFO] [stdout] test fields::scaledvectorfield::tests::test_sub_assign_scaled_vector_field ... ok
[INFO] [stdout] test fields::scalarfield::tests::add_scalar_field_scalar_field_different_sizes ... ok
[INFO] [stdout] test fields::scalarfield::tests::add_assign_scalar_field_scalar_field_different_sizes ... ok
[INFO] [stdout] test fields::scalarfield::tests::sub_scalar_field_scalar_field_different_sizes ... ok
[INFO] [stdout] test fields::vectorfield::tests::index ... ok
[INFO] [stdout] test fields::vectorfield::tests::div_vector_field_scalar_field ... ok
[INFO] [stdout] test fields::scaledvectorfield::tests::test_add_assign_scaled_vector_field_different_sizes ... ok
[INFO] [stdout] test fields::vectorfield::tests::mul_f32_vector_field ... ok
[INFO] [stdout] test fields::vectorfield::tests::custom_curl_field_1 ... ok
[INFO] [stdout] test fields::scalarfield::tests::sub_assign_scalar_field_scalar_field_different_sizes ... ok
[INFO] [stdout] test world::boundingbox::tests::test_expanded ... ok
[INFO] [stdout] test fields::vectorfield::tests::mul_vector_field_scalar_field ... ok
[INFO] [stdout] test fields::vectorfield::tests::mul_vector_field_vector_field ... ok
[INFO] [stdout] test fields::vectorfield::tests::neg_vector_field ... ok
[INFO] [stdout] test fields::scaledvectorfield::tests::test_sub_assign_scaled_vector_field_different_sizes ... ok
[INFO] [stdout] test world::boundingbox::tests::test_inside ... ok
[INFO] [stdout] test world::boundingbox::tests::test_inside_not ... ok
[INFO] [stdout] test world::boundingbox::tests::test_intersects ... ok
[INFO] [stdout] test world::material::tests::gold_permittivity ... ok
[INFO] [stdout] test world::material::tests::parse ... ok
[INFO] [stdout] test world::material::tests::parse_invalid ... ok
[INFO] [stdout] test world::shape::tests::test_box_bbox_integer_radius ... ok
[INFO] [stdout] test world::shape::tests::test_sphere_bbox_float_radius ... ok
[INFO] [stdout] test world::shape::tests::test_sphere_bbox_integer_radius ... ok
[INFO] [stdout] test world::material::tests::custom_serde ... ok
[INFO] [stdout] test fields::vectorfield::tests::constant_curl_field ... ok
[INFO] [stdout] test world::boundingbox::tests::test_intersects_not ... ok
[INFO] [stdout] test world::material::tests::custom_permittivity ... ok
[INFO] [stdout] test fields::vectorfield::tests::zero_curl_field ... ok
[INFO] [stdout] test fields::vectorfield::tests::custom_curl_field_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2ca01d3daba58f4cd24bb788160a8dbdcac9a50798b7a0b8303f0b19e86749a4"`
[INFO] running `"docker" "rm" "-f" "2ca01d3daba58f4cd24bb788160a8dbdcac9a50798b7a0b8303f0b19e86749a4"`
[INFO] [stdout] 2ca01d3daba58f4cd24bb788160a8dbdcac9a50798b7a0b8303f0b19e86749a4