[INFO] updating cached repository HarveyHunt/rayblaster
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HarveyHunt/rayblaster
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HarveyHunt/rayblaster" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/HarveyHunt/rayblaster"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/HarveyHunt/rayblaster'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HarveyHunt/rayblaster" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/HarveyHunt/rayblaster"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/HarveyHunt/rayblaster'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4df2b6a49c3ca46b7085ca24fe7591a7bb2152c5
[INFO] sha for GitHub repo HarveyHunt/rayblaster: 4df2b6a49c3ca46b7085ca24fe7591a7bb2152c5
[INFO] validating manifest of HarveyHunt/rayblaster on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of HarveyHunt/rayblaster on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing HarveyHunt/rayblaster
[INFO] finished frobbing HarveyHunt/rayblaster
[INFO] frobbed toml for HarveyHunt/rayblaster written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/HarveyHunt/rayblaster/Cargo.toml
[INFO] started frobbing HarveyHunt/rayblaster
[INFO] finished frobbing HarveyHunt/rayblaster
[INFO] frobbed toml for HarveyHunt/rayblaster written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/HarveyHunt/rayblaster/Cargo.toml
[INFO] crate HarveyHunt/rayblaster has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking HarveyHunt/rayblaster against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-4/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/HarveyHunt/rayblaster:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 902c994d25386e79cb3b6851faba8635afa2ad3e09013e9b36e2991044830481
[INFO] running `"docker" "start" "-a" "902c994d25386e79cb3b6851faba8635afa2ad3e09013e9b36e2991044830481"`
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking cgmath v0.9.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking rayblaster v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `sample_index` is never read
[INFO] [stderr]   --> src/renderer/renderer.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut sample_index = 0;
[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 `prim` is assigned to, but never used
[INFO] [stderr]    --> src/renderer/renderer.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let prim: &Box<Primitive + Sync>;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_prim` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `prim` is never read
[INFO] [stderr]    --> src/renderer/renderer.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 prim = p
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `int`
[INFO] [stderr]    --> src/renderer/renderer.rs:158:19
[INFO] [stderr]     |
[INFO] [stderr] 158 |             Some((int, prim)) => true,
[INFO] [stderr]     |                   ^^^ help: consider using `_int` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prim`
[INFO] [stderr]    --> src/renderer/renderer.rs:158:24
[INFO] [stderr]     |
[INFO] [stderr] 158 |             Some((int, prim)) => true,
[INFO] [stderr]     |                        ^^^^ help: consider using `_prim` instead
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `depth`
[INFO] [stderr]   --> src/renderer/ray.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     depth: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `t`
[INFO] [stderr]   --> src/renderer/ray.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     t: RayType,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `fov`
[INFO] [stderr]   --> src/renderer/renderer.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fov: f64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 | /     save_buffer(image_path,
[INFO] [stderr] 90 | |                 &buffer,
[INFO] [stderr] 91 | |                 width as u32,
[INFO] [stderr] 92 | |                 height as u32,
[INFO] [stderr] 93 | |                 image::RGB(8));
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sample_index` is never read
[INFO] [stderr]   --> src/renderer/renderer.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut sample_index = 0;
[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 `prim` is assigned to, but never used
[INFO] [stderr]    --> src/renderer/renderer.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let prim: &Box<Primitive + Sync>;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_prim` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `prim` is never read
[INFO] [stderr]    --> src/renderer/renderer.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 prim = p
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `int`
[INFO] [stderr]    --> src/renderer/renderer.rs:158:19
[INFO] [stderr]     |
[INFO] [stderr] 158 |             Some((int, prim)) => true,
[INFO] [stderr]     |                   ^^^ help: consider using `_int` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prim`
[INFO] [stderr]    --> src/renderer/renderer.rs:158:24
[INFO] [stderr]     |
[INFO] [stderr] 158 |             Some((int, prim)) => true,
[INFO] [stderr]     |                        ^^^^ help: consider using `_prim` instead
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `depth`
[INFO] [stderr]   --> src/renderer/ray.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     depth: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `t`
[INFO] [stderr]   --> src/renderer/ray.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     t: RayType,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `fov`
[INFO] [stderr]   --> src/renderer/renderer.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fov: f64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 | /     save_buffer(image_path,
[INFO] [stderr] 90 | |                 &buffer,
[INFO] [stderr] 91 | |                 width as u32,
[INFO] [stderr] 92 | |                 height as u32,
[INFO] [stderr] 93 | |                 image::RGB(8));
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.67s
[INFO] running `"docker" "inspect" "902c994d25386e79cb3b6851faba8635afa2ad3e09013e9b36e2991044830481"`
[INFO] running `"docker" "rm" "-f" "902c994d25386e79cb3b6851faba8635afa2ad3e09013e9b36e2991044830481"`
[INFO] [stdout] 902c994d25386e79cb3b6851faba8635afa2ad3e09013e9b36e2991044830481