[INFO] updating cached repository tylerreisinger/rust-raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tylerreisinger/rust-raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tylerreisinger/rust-raytracer" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/tylerreisinger/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/tylerreisinger/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tylerreisinger/rust-raytracer" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/tylerreisinger/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/tylerreisinger/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 38bcf36c8789f646e77183c4b471e951ebcdb99f
[INFO] sha for GitHub repo tylerreisinger/rust-raytracer: 38bcf36c8789f646e77183c4b471e951ebcdb99f
[INFO] validating manifest of tylerreisinger/rust-raytracer on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tylerreisinger/rust-raytracer on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tylerreisinger/rust-raytracer
[INFO] finished frobbing tylerreisinger/rust-raytracer
[INFO] frobbed toml for tylerreisinger/rust-raytracer written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/tylerreisinger/rust-raytracer/Cargo.toml
[INFO] started frobbing tylerreisinger/rust-raytracer
[INFO] finished frobbing tylerreisinger/rust-raytracer
[INFO] frobbed toml for tylerreisinger/rust-raytracer written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/tylerreisinger/rust-raytracer/Cargo.toml
[INFO] crate tylerreisinger/rust-raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tylerreisinger/rust-raytracer against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/tylerreisinger/rust-raytracer:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c440f55e1d016b67fd8dac363630bfb042256054222dd1f145c59cbd9e5e228d
[INFO] running `"docker" "start" "-a" "c440f55e1d016b67fd8dac363630bfb042256054222dd1f145c59cbd9e5e228d"`
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking deflate v0.7.5
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/geom/sphere.rs:34:43
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let b = 2.0 * ray.direction().dot((ray.origin() - self.origin()));
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `geom::*`
[INFO] [stderr]   --> src/geom/sphere.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     use geom::*;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/geom/sphere.rs:34:43
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let b = 2.0 * ray.direction().dot((ray.origin() - self.origin()));
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.25s
[INFO] running `"docker" "inspect" "c440f55e1d016b67fd8dac363630bfb042256054222dd1f145c59cbd9e5e228d"`
[INFO] running `"docker" "rm" "-f" "c440f55e1d016b67fd8dac363630bfb042256054222dd1f145c59cbd9e5e228d"`
[INFO] [stdout] c440f55e1d016b67fd8dac363630bfb042256054222dd1f145c59cbd9e5e228d