[INFO] updating cached repository mrobakowski/rust-metaballs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mrobakowski/rust-metaballs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mrobakowski/rust-metaballs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mrobakowski/rust-metaballs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mrobakowski/rust-metaballs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mrobakowski/rust-metaballs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrobakowski/rust-metaballs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrobakowski/rust-metaballs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8a4fb6c36f2f58591c90c5b4e152156bbea55bde
[INFO] sha for GitHub repo mrobakowski/rust-metaballs: 8a4fb6c36f2f58591c90c5b4e152156bbea55bde
[INFO] validating manifest of mrobakowski/rust-metaballs 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 mrobakowski/rust-metaballs 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 mrobakowski/rust-metaballs
[INFO] finished frobbing mrobakowski/rust-metaballs
[INFO] frobbed toml for mrobakowski/rust-metaballs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mrobakowski/rust-metaballs/Cargo.toml
[INFO] started frobbing mrobakowski/rust-metaballs
[INFO] finished frobbing mrobakowski/rust-metaballs
[INFO] frobbed toml for mrobakowski/rust-metaballs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrobakowski/rust-metaballs/Cargo.toml
[INFO] crate mrobakowski/rust-metaballs 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 mrobakowski/rust-metaballs 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-4/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/mrobakowski/rust-metaballs:/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] b4fd8dccb7c624532e0bcd186356ecf378641b51dbecc2dfc61cd6f3d45f5df0
[INFO] running `"docker" "start" "-a" "b4fd8dccb7c624532e0bcd186356ecf378641b51dbecc2dfc61cd6f3d45f5df0"`
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling smallvec v0.6.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling wayland-scanner v0.20.10
[INFO] [stderr]    Compiling tempfile v3.0.2
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling quaternion v0.3.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling approx v0.2.1
[INFO] [stderr]    Compiling piston3d-cam v0.3.0
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling wayland-client v0.20.10
[INFO] [stderr]    Compiling wayland-protocols v0.20.10
[INFO] [stderr]    Compiling alga v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.6.2
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]    Compiling wayland-sys v0.20.10
[INFO] [stderr]    Compiling wayland-commons v0.20.10
[INFO] [stderr]    Compiling nalgebra v0.15.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling winit v0.16.2
[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-0.15.3/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 rust-metaballs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `"docker" "inspect" "b4fd8dccb7c624532e0bcd186356ecf378641b51dbecc2dfc61cd6f3d45f5df0"`
[INFO] running `"docker" "rm" "-f" "b4fd8dccb7c624532e0bcd186356ecf378641b51dbecc2dfc61cd6f3d45f5df0"`
[INFO] [stdout] b4fd8dccb7c624532e0bcd186356ecf378641b51dbecc2dfc61cd6f3d45f5df0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mrobakowski/rust-metaballs:/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] 7920354b90d710b026076951f921df0a0d00fe3c9810541139d5c1aad1fabb02
[INFO] running `"docker" "start" "-a" "7920354b90d710b026076951f921df0a0d00fe3c9810541139d5c1aad1fabb02"`
[INFO] [stderr]    Compiling rust-metaballs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "7920354b90d710b026076951f921df0a0d00fe3c9810541139d5c1aad1fabb02"`
[INFO] running `"docker" "rm" "-f" "7920354b90d710b026076951f921df0a0d00fe3c9810541139d5c1aad1fabb02"`
[INFO] [stdout] 7920354b90d710b026076951f921df0a0d00fe3c9810541139d5c1aad1fabb02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mrobakowski/rust-metaballs:/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] cf0696edb2931ce23243c1d81c27313a073a28affc308edfeb8f0b849fb327a4
[INFO] running `"docker" "start" "-a" "cf0696edb2931ce23243c1d81c27313a073a28affc308edfeb8f0b849fb327a4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_metaballs-d967d0a20a8d3e7b
[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" "cf0696edb2931ce23243c1d81c27313a073a28affc308edfeb8f0b849fb327a4"`
[INFO] running `"docker" "rm" "-f" "cf0696edb2931ce23243c1d81c27313a073a28affc308edfeb8f0b849fb327a4"`
[INFO] [stdout] cf0696edb2931ce23243c1d81c27313a073a28affc308edfeb8f0b849fb327a4