[INFO] updating cached repository justinmichaud/rust-raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justinmichaud/rust-raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justinmichaud/rust-raytracer" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/justinmichaud/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/justinmichaud/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinmichaud/rust-raytracer" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/justinmichaud/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/justinmichaud/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1d5aafb53f3a39dc93d901a19a0d44e13cb0671
[INFO] sha for GitHub repo justinmichaud/rust-raytracer: a1d5aafb53f3a39dc93d901a19a0d44e13cb0671
[INFO] validating manifest of justinmichaud/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 justinmichaud/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 justinmichaud/rust-raytracer
[INFO] finished frobbing justinmichaud/rust-raytracer
[INFO] frobbed toml for justinmichaud/rust-raytracer written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/justinmichaud/rust-raytracer/Cargo.toml
[INFO] started frobbing justinmichaud/rust-raytracer
[INFO] finished frobbing justinmichaud/rust-raytracer
[INFO] frobbed toml for justinmichaud/rust-raytracer written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/justinmichaud/rust-raytracer/Cargo.toml
[INFO] crate justinmichaud/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 justinmichaud/rust-raytracer against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/justinmichaud/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] 6f3e4c25fe56d8cf4c63b7014ffd2c2d46d7efbcac1390f2aa92d85f49621eeb
[INFO] running `"docker" "start" "-a" "6f3e4c25fe56d8cf4c63b7014ffd2c2d46d7efbcac1390f2aa92d85f49621eeb"`
[INFO] [stderr]    Compiling heapsize v0.4.0
[INFO] [stderr]     Checking deflate v0.7.6
[INFO] [stderr]     Checking rayon-core v1.0.0
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking euclid v0.13.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]     Checking hello_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `incident_from`
[INFO] [stderr]    --> src/world.rs:237:56
[INFO] [stderr]     |
[INFO] [stderr] 237 | fn refract_colour(obj : &WorldObject, at : WorldPoint, incident_from : WorldPoint,
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_incident_from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `incident_from`
[INFO] [stderr]    --> src/world.rs:237:56
[INFO] [stderr]     |
[INFO] [stderr] 237 | fn refract_colour(obj : &WorldObject, at : WorldPoint, incident_from : WorldPoint,
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_incident_from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `contains`
[INFO] [stderr]   --> src/world.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn contains(&self, pos : WorldPoint) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `contains`
[INFO] [stderr]   --> src/world.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn contains(&self, pos : WorldPoint) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `"docker" "inspect" "6f3e4c25fe56d8cf4c63b7014ffd2c2d46d7efbcac1390f2aa92d85f49621eeb"`
[INFO] running `"docker" "rm" "-f" "6f3e4c25fe56d8cf4c63b7014ffd2c2d46d7efbcac1390f2aa92d85f49621eeb"`
[INFO] [stdout] 6f3e4c25fe56d8cf4c63b7014ffd2c2d46d7efbcac1390f2aa92d85f49621eeb