[INFO] updating cached repository JoTiger/rustray
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JoTiger/rustray
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JoTiger/rustray" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/JoTiger/rustray"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/JoTiger/rustray'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JoTiger/rustray" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/JoTiger/rustray"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/JoTiger/rustray'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f3b1b9b3a84a3a3692786c96b5d2583a3ad3f9b
[INFO] sha for GitHub repo JoTiger/rustray: 6f3b1b9b3a84a3a3692786c96b5d2583a3ad3f9b
[INFO] validating manifest of JoTiger/rustray 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 JoTiger/rustray 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 JoTiger/rustray
[INFO] finished frobbing JoTiger/rustray
[INFO] frobbed toml for JoTiger/rustray written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/JoTiger/rustray/Cargo.toml
[INFO] started frobbing JoTiger/rustray
[INFO] finished frobbing JoTiger/rustray
[INFO] frobbed toml for JoTiger/rustray written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/JoTiger/rustray/Cargo.toml
[INFO] crate JoTiger/rustray 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 JoTiger/rustray against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/JoTiger/rustray:/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] c31386dfde741ea328a7837d51c7de74cc27c4f1952e181f23dcbed7203c6e6a
[INFO] running `"docker" "start" "-a" "c31386dfde741ea328a7837d51c7de74cc27c4f1952e181f23dcbed7203c6e6a"`
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking ray v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `vec3::dot`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use vec3::dot;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sphere::Sphere`
[INFO] [stderr]  --> src/sample.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use sphere::Sphere;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sample::random_in_unit_sphere`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use sample::random_in_unit_sphere;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:94:14
[INFO] [stderr]    |
[INFO] [stderr] 94 |     for m in (0..500) {
[INFO] [stderr]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:121:14
[INFO] [stderr]     |
[INFO] [stderr] 121 |     for a in (-11..11) {
[INFO] [stderr]     |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:122:18
[INFO] [stderr]     |
[INFO] [stderr] 122 |         for b in (-11..11) {
[INFO] [stderr]     |                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:175:18
[INFO] [stderr]     |
[INFO] [stderr] 175 |         for i in (0..nx) {
[INFO] [stderr]     |                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:177:22
[INFO] [stderr]     |
[INFO] [stderr] 177 |             for s in (0..ns) {
[INFO] [stderr]     |                      ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vec3::dot`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use vec3::dot;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sphere::Sphere`
[INFO] [stderr]  --> src/sample.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use sphere::Sphere;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sample::random_in_unit_sphere`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use sample::random_in_unit_sphere;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:94:14
[INFO] [stderr]    |
[INFO] [stderr] 94 |     for m in (0..500) {
[INFO] [stderr]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:121:14
[INFO] [stderr]     |
[INFO] [stderr] 121 |     for a in (-11..11) {
[INFO] [stderr]     |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:122:18
[INFO] [stderr]     |
[INFO] [stderr] 122 |         for b in (-11..11) {
[INFO] [stderr]     |                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:175:18
[INFO] [stderr]     |
[INFO] [stderr] 175 |         for i in (0..nx) {
[INFO] [stderr]     |                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:177:22
[INFO] [stderr]     |
[INFO] [stderr] 177 |             for s in (0..ns) {
[INFO] [stderr]     |                      ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     for m in (0..500) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `R`
[INFO] [stderr]    --> src/main.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let R = (std::f32::consts::PI / 4.0).cos();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_R`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             for s in (0..ns) {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/main.rs:183:21
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 let p = r.point_at_parameter(2.0);
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/material.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         r_in: &Ray,
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_r_in`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `w`
[INFO] [stderr]   --> src/camera.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     w: Vec3f,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     for m in (0..500) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `R`
[INFO] [stderr]    --> src/main.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let R = (std::f32::consts::PI / 4.0).cos();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_R`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             for s in (0..ns) {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/main.rs:183:21
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 let p = r.point_at_parameter(2.0);
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/material.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         r_in: &Ray,
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_r_in`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R` should have a snake case name
[INFO] [stderr]    --> src/main.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let R = (std::f32::consts::PI / 4.0).cos();
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `r`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `w`
[INFO] [stderr]   --> src/camera.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     w: Vec3f,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R` should have a snake case name
[INFO] [stderr]    --> src/main.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let R = (std::f32::consts::PI / 4.0).cos();
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `r`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `"docker" "inspect" "c31386dfde741ea328a7837d51c7de74cc27c4f1952e181f23dcbed7203c6e6a"`
[INFO] running `"docker" "rm" "-f" "c31386dfde741ea328a7837d51c7de74cc27c4f1952e181f23dcbed7203c6e6a"`
[INFO] [stdout] c31386dfde741ea328a7837d51c7de74cc27c4f1952e181f23dcbed7203c6e6a