[INFO] updating cached repository carolinecullen/Rust-Raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/carolinecullen/Rust-Raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/carolinecullen/Rust-Raytracer" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/carolinecullen/Rust-Raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/carolinecullen/Rust-Raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carolinecullen/Rust-Raytracer" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/carolinecullen/Rust-Raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/carolinecullen/Rust-Raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b8c12bf9d2a142b3800a0378b0d9ee1276a263c
[INFO] sha for GitHub repo carolinecullen/Rust-Raytracer: 3b8c12bf9d2a142b3800a0378b0d9ee1276a263c
[INFO] validating manifest of carolinecullen/Rust-Raytracer on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of carolinecullen/Rust-Raytracer on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing carolinecullen/Rust-Raytracer
[INFO] finished frobbing carolinecullen/Rust-Raytracer
[INFO] frobbed toml for carolinecullen/Rust-Raytracer written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/carolinecullen/Rust-Raytracer/Cargo.toml
[INFO] started frobbing carolinecullen/Rust-Raytracer
[INFO] finished frobbing carolinecullen/Rust-Raytracer
[INFO] frobbed toml for carolinecullen/Rust-Raytracer written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/carolinecullen/Rust-Raytracer/Cargo.toml
[INFO] crate carolinecullen/Rust-Raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking carolinecullen/Rust-Raytracer against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/carolinecullen/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 58a0b78a05118caa0e79ae9b8e87d894f5efdb83030d9e596e61561d3a48bab4
[INFO] running `"docker" "start" "-a" "58a0b78a05118caa0e79ae9b8e87d894f5efdb83030d9e596e61561d3a48bab4"`
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/parser.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn parse_for_elements(contents: &[u8]) {
[INFO] [stderr]    |                       ^^^^^^^^ help: consider prefixing with an underscore: `_contents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_whitespace`
[INFO] [stderr]   --> src/parser.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn is_whitespace(c: u8) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Scene`
[INFO] [stderr]  --> src/scene.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Scene {}
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/parser.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn parse_for_elements(contents: &[u8]) {
[INFO] [stderr]    |                       ^^^^^^^^ help: consider prefixing with an underscore: `_contents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_whitespace`
[INFO] [stderr]   --> src/parser.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn is_whitespace(c: u8) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Scene`
[INFO] [stderr]  --> src/scene.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Scene {}
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `"docker" "inspect" "58a0b78a05118caa0e79ae9b8e87d894f5efdb83030d9e596e61561d3a48bab4"`
[INFO] running `"docker" "rm" "-f" "58a0b78a05118caa0e79ae9b8e87d894f5efdb83030d9e596e61561d3a48bab4"`
[INFO] [stdout] 58a0b78a05118caa0e79ae9b8e87d894f5efdb83030d9e596e61561d3a48bab4