[INFO] updating cached repository arvsrao/random_tetrahedron
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arvsrao/random_tetrahedron
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arvsrao/random_tetrahedron" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/arvsrao/random_tetrahedron"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/arvsrao/random_tetrahedron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arvsrao/random_tetrahedron" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/arvsrao/random_tetrahedron"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/arvsrao/random_tetrahedron'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a363c6299e35c291256e7ee2164527e9c5925c7
[INFO] sha for GitHub repo arvsrao/random_tetrahedron: 1a363c6299e35c291256e7ee2164527e9c5925c7
[INFO] validating manifest of arvsrao/random_tetrahedron on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arvsrao/random_tetrahedron on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arvsrao/random_tetrahedron
[INFO] finished frobbing arvsrao/random_tetrahedron
[INFO] frobbed toml for arvsrao/random_tetrahedron written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/arvsrao/random_tetrahedron/Cargo.toml
[INFO] started frobbing arvsrao/random_tetrahedron
[INFO] finished frobbing arvsrao/random_tetrahedron
[INFO] frobbed toml for arvsrao/random_tetrahedron written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/arvsrao/random_tetrahedron/Cargo.toml
[INFO] crate arvsrao/random_tetrahedron already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking arvsrao/random_tetrahedron against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/arvsrao/random_tetrahedron:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] def08c92cfd77053d348b6d5b1ca1d07c4e9230d6ddc910ea28b5108fb618318
[INFO] running `"docker" "start" "-a" "def08c92cfd77053d348b6d5b1ca1d07c4e9230d6ddc910ea28b5108fb618318"`
[INFO] [stderr]     Checking random_tetrahedron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     for idx in 0..3 {
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     for idx in 0..N as usize {
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     for idx in 0..3 {
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     for idx in 0..N as usize {
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Vec2f`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Vec2f {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `origin_in_triangle`
[INFO] [stderr]   --> src/main.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn origin_in_triangle(a: &Vec2f, b: &Vec2f, c: &Vec2f) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_triangle`
[INFO] [stderr]   --> src/main.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn generate_triangle() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/main.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let N: f32 = 1000000.0;
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Vec2f`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Vec2f {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `origin_in_triangle`
[INFO] [stderr]   --> src/main.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn origin_in_triangle(a: &Vec2f, b: &Vec2f, c: &Vec2f) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_triangle`
[INFO] [stderr]   --> src/main.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn generate_triangle() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/main.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let N: f32 = 1000000.0;
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "def08c92cfd77053d348b6d5b1ca1d07c4e9230d6ddc910ea28b5108fb618318"`
[INFO] running `"docker" "rm" "-f" "def08c92cfd77053d348b6d5b1ca1d07c4e9230d6ddc910ea28b5108fb618318"`
[INFO] [stdout] def08c92cfd77053d348b6d5b1ca1d07c4e9230d6ddc910ea28b5108fb618318