[INFO] updating cached repository mwalczyk/spectrum_tracer_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mwalczyk/spectrum_tracer_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/spectrum_tracer_rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/mwalczyk/spectrum_tracer_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mwalczyk/spectrum_tracer_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/spectrum_tracer_rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mwalczyk/spectrum_tracer_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mwalczyk/spectrum_tracer_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50fd3e99de73573a64211dc147d5c346265c7de7
[INFO] sha for GitHub repo mwalczyk/spectrum_tracer_rs: 50fd3e99de73573a64211dc147d5c346265c7de7
[INFO] validating manifest of mwalczyk/spectrum_tracer_rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mwalczyk/spectrum_tracer_rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mwalczyk/spectrum_tracer_rs
[INFO] finished frobbing mwalczyk/spectrum_tracer_rs
[INFO] frobbed toml for mwalczyk/spectrum_tracer_rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/mwalczyk/spectrum_tracer_rs/Cargo.toml
[INFO] started frobbing mwalczyk/spectrum_tracer_rs
[INFO] finished frobbing mwalczyk/spectrum_tracer_rs
[INFO] frobbed toml for mwalczyk/spectrum_tracer_rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mwalczyk/spectrum_tracer_rs/Cargo.toml
[INFO] crate mwalczyk/spectrum_tracer_rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mwalczyk/spectrum_tracer_rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mwalczyk/spectrum_tracer_rs:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a4911579e8d5be2b5b9ad82ddc9c8aa2cedd41d8ed0a31fd783d007a35f302f4
[INFO] running `"docker" "start" "-a" "a4911579e8d5be2b5b9ad82ddc9c8aa2cedd41d8ed0a31fd783d007a35f302f4"`
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `shape::DifferentialGeometry`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use shape::DifferentialGeometry;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shape::Shape`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use shape::Shape;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `material::Material`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use material::Material;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `p` is never read
[INFO] [stderr]   --> src/vector.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let mut p = Vector::origin();
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/material.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let mut scattered: Vector;
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `"docker" "inspect" "a4911579e8d5be2b5b9ad82ddc9c8aa2cedd41d8ed0a31fd783d007a35f302f4"`
[INFO] running `"docker" "rm" "-f" "a4911579e8d5be2b5b9ad82ddc9c8aa2cedd41d8ed0a31fd783d007a35f302f4"`
[INFO] [stdout] a4911579e8d5be2b5b9ad82ddc9c8aa2cedd41d8ed0a31fd783d007a35f302f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mwalczyk/spectrum_tracer_rs:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b7a48e75d87fa131e20062a590758d8d26f75fc35516fe176a1b270b8cbef434
[INFO] running `"docker" "start" "-a" "b7a48e75d87fa131e20062a590758d8d26f75fc35516fe176a1b270b8cbef434"`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `shape::DifferentialGeometry`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use shape::DifferentialGeometry;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0369]: binary operation `==` cannot be applied to type `vector::Vector`
[INFO] [stderr]    --> src/vector.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |       assert_eq!(lhs + rhs,
[INFO] [stderr]     |  _____^
[INFO] [stderr]     | |_____|
[INFO] [stderr]     | |
[INFO] [stderr] 265 | |                Vector {
[INFO] [stderr] 266 | |                    x: 1.0,
[INFO] [stderr] 267 | |                    y: 3.0,
[INFO] [stderr] 268 | |                    z: 5.0,
[INFO] [stderr] 269 | |                });
[INFO] [stderr]     | |                  ^
[INFO] [stderr]     | |__________________|
[INFO] [stderr]     | |__________________vector::Vector
[INFO] [stderr]     |                    vector::Vector
[INFO] [stderr]     |
[INFO] [stderr]     = note: an implementation of `std::cmp::PartialEq` might be missing for `vector::Vector`
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shape::Shape`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use shape::Shape;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `material::Material`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use material::Material;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0369`.
[INFO] [stderr] error: Could not compile `raytracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b7a48e75d87fa131e20062a590758d8d26f75fc35516fe176a1b270b8cbef434"`
[INFO] running `"docker" "rm" "-f" "b7a48e75d87fa131e20062a590758d8d26f75fc35516fe176a1b270b8cbef434"`
[INFO] [stdout] b7a48e75d87fa131e20062a590758d8d26f75fc35516fe176a1b270b8cbef434