[INFO] updating cached repository cgibson/flux
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cgibson/flux
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cgibson/flux" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/cgibson/flux"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/cgibson/flux'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cgibson/flux" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/cgibson/flux"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/cgibson/flux'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9b82e67d0f72f958c56f4677e99a2554535595f
[INFO] sha for GitHub repo cgibson/flux: b9b82e67d0f72f958c56f4677e99a2554535595f
[INFO] validating manifest of cgibson/flux on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cgibson/flux on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cgibson/flux
[INFO] finished frobbing cgibson/flux
[INFO] frobbed toml for cgibson/flux written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/cgibson/flux/Cargo.toml
[INFO] started frobbing cgibson/flux
[INFO] finished frobbing cgibson/flux
[INFO] frobbed toml for cgibson/flux written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/cgibson/flux/Cargo.toml
[INFO] crate cgibson/flux already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cgibson/flux against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-0/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/cgibson/flux:/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=forbid" "-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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2cf983633c1c79ba580424339ade1d1e2c52d45ae31eb76f953e5b7f12f837ae
[INFO] running `"docker" "start" "-a" "2cf983633c1c79ba580424339ade1d1e2c52d45ae31eb76f953e5b7f12f837ae"`
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking generic-array v0.2.1
[INFO] [stderr]     Checking nalgebra v0.11.2
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking nalgebra v0.16.4
[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-0.11.2/src/core/cg.rs:314:44
[INFO] [stderr]     |
[INFO] [stderr] 314 |                 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] 
[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-0.16.4/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] 
[INFO] [stderr]     Checking nalgebra-glm v0.1.1
[INFO] [stderr]     Checking flux v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `util::math::Ray`
[INFO] [stderr]  --> src/scene/camera.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use util::math::Ray;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimpleSampler`
[INFO] [stderr]   --> src/samplers/ray_sampler.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct SimpleSampler {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimpleRenderer`
[INFO] [stderr]  --> src/renderers/simple_renderer.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct SimpleRenderer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/renderers/simple_renderer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(scene: Scene, camera: Camera) -> SimpleRenderer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::math::Ray`
[INFO] [stderr]  --> src/scene/camera.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use util::math::Ray;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimpleSampler`
[INFO] [stderr]   --> src/samplers/ray_sampler.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct SimpleSampler {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimpleRenderer`
[INFO] [stderr]  --> src/renderers/simple_renderer.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct SimpleRenderer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/renderers/simple_renderer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(scene: Scene, camera: Camera) -> SimpleRenderer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.27s
[INFO] running `"docker" "inspect" "2cf983633c1c79ba580424339ade1d1e2c52d45ae31eb76f953e5b7f12f837ae"`
[INFO] running `"docker" "rm" "-f" "2cf983633c1c79ba580424339ade1d1e2c52d45ae31eb76f953e5b7f12f837ae"`
[INFO] [stdout] 2cf983633c1c79ba580424339ade1d1e2c52d45ae31eb76f953e5b7f12f837ae