[INFO] cloning repository https://github.com/termhn/simple-rayn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/termhn/simple-rayn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftermhn%2Fsimple-rayn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftermhn%2Fsimple-rayn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b90cc4c9f966586768170a53feea0f2cdb292b3
[INFO] building termhn/simple-rayn against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftermhn%2Fsimple-rayn" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/termhn/simple-rayn on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/termhn/simple-rayn
[INFO] finished tweaking git repo https://github.com/termhn/simple-rayn
[INFO] tweaked toml for git repo https://github.com/termhn/simple-rayn written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/termhn/simple-rayn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deflate v0.7.18
[INFO] [stderr]   Downloaded gif v0.10.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.15
[INFO] [stderr]   Downloaded num-derive v0.2.2
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded rayon v1.0.2
[INFO] [stderr]   Downloaded inflate v0.4.3
[INFO] [stderr]   Downloaded image v0.19.0
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded vek v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e21c6ca9b6bb378bdbaaf15912c86661e8d9d1bcb2335fda4360c7aad5f1d15b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e21c6ca9b6bb378bdbaaf15912c86661e8d9d1bcb2335fda4360c7aad5f1d15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e21c6ca9b6bb378bdbaaf15912c86661e8d9d1bcb2335fda4360c7aad5f1d15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21c6ca9b6bb378bdbaaf15912c86661e8d9d1bcb2335fda4360c7aad5f1d15b", kill_on_drop: false }`
[INFO] [stdout] e21c6ca9b6bb378bdbaaf15912c86661e8d9d1bcb2335fda4360c7aad5f1d15b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3bbca5da18e909de2436700328021bddf700e871206b3299a38cd37a645c9c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3bbca5da18e909de2436700328021bddf700e871206b3299a38cd37a645c9c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling vek v0.9.4
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1653:31
[INFO] [stdout]      |
[INFO] [stdout] 1653 |                 rows[3][0] += rows[0].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3606 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1654:31
[INFO] [stdout]      |
[INFO] [stdout] 1654 |                 rows[3][1] += rows[1].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3606 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1655:31
[INFO] [stdout]      |
[INFO] [stdout] 1655 |                 rows[3][2] += rows[2].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3606 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1656:31
[INFO] [stdout]      |
[INFO] [stdout] 1656 |                 rows[3][3] += rows[3].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3606 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1653:31
[INFO] [stdout]      |
[INFO] [stdout] 1653 |                 rows[3][0] += rows[0].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3606 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1654:31
[INFO] [stdout]      |
[INFO] [stdout] 1654 |                 rows[3][1] += rows[1].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3606 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1655:31
[INFO] [stdout]      |
[INFO] [stdout] 1655 |                 rows[3][2] += rows[2].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3606 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1656:31
[INFO] [stdout]      |
[INFO] [stdout] 1656 |                 rows[3][3] += rows[3].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3606 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1653:31
[INFO] [stdout]      |
[INFO] [stdout] 1653 |                 rows[3][0] += rows[0].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3628 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1654:31
[INFO] [stdout]      |
[INFO] [stdout] 1654 |                 rows[3][1] += rows[1].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3628 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1655:31
[INFO] [stdout]      |
[INFO] [stdout] 1655 |                 rows[3][2] += rows[2].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3628 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1656:31
[INFO] [stdout]      |
[INFO] [stdout] 1656 |                 rows[3][3] += rows[3].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3628 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1653:31
[INFO] [stdout]      |
[INFO] [stdout] 1653 |                 rows[3][0] += rows[0].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3628 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1654:31
[INFO] [stdout]      |
[INFO] [stdout] 1654 |                 rows[3][1] += rows[1].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3628 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1655:31
[INFO] [stdout]      |
[INFO] [stdout] 1655 |                 rows[3][2] += rows[2].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3628 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.4/src/mat.rs:1656:31
[INFO] [stdout]      |
[INFO] [stdout] 1656 |                 rows[3][3] += rows[3].dot(t);
[INFO] [stdout]      |                 --------------^^^^----------
[INFO] [stdout]      |                 |             |
[INFO] [stdout]      |                 |             immutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow occurs here
[INFO] [stdout]      |                 mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 3628 |     mat_declare_modules!{}
[INFO] [stdout]      |     ---------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vek`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e3bbca5da18e909de2436700328021bddf700e871206b3299a38cd37a645c9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bbca5da18e909de2436700328021bddf700e871206b3299a38cd37a645c9c6", kill_on_drop: false }`
[INFO] [stdout] e3bbca5da18e909de2436700328021bddf700e871206b3299a38cd37a645c9c6
