[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/beta-1.38-1/sources/1.37.0/gh/arvsrao/random_tetrahedron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/arvsrao/random_tetrahedron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arvsrao/random_tetrahedron" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arvsrao/random_tetrahedron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arvsrao/random_tetrahedron on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing arvsrao/random_tetrahedron against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f9053602d0213f94a6fe5f7ecd9bdd8e0a56a04ac6eb535ab11abd8abd75160b
[INFO] running `"docker" "start" "-a" "f9053602d0213f94a6fe5f7ecd9bdd8e0a56a04ac6eb535ab11abd8abd75160b"`
[INFO] [stderr]    Compiling 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: 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 1.11s
[INFO] running `"docker" "inspect" "f9053602d0213f94a6fe5f7ecd9bdd8e0a56a04ac6eb535ab11abd8abd75160b"`
[INFO] running `"docker" "rm" "-f" "f9053602d0213f94a6fe5f7ecd9bdd8e0a56a04ac6eb535ab11abd8abd75160b"`
[INFO] [stdout] f9053602d0213f94a6fe5f7ecd9bdd8e0a56a04ac6eb535ab11abd8abd75160b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 776585bad649f785833139f86b48f95a0505707acce0fe4b258cb036ec1d1edc
[INFO] running `"docker" "start" "-a" "776585bad649f785833139f86b48f95a0505707acce0fe4b258cb036ec1d1edc"`
[INFO] [stderr]    Compiling 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: 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 0.77s
[INFO] running `"docker" "inspect" "776585bad649f785833139f86b48f95a0505707acce0fe4b258cb036ec1d1edc"`
[INFO] running `"docker" "rm" "-f" "776585bad649f785833139f86b48f95a0505707acce0fe4b258cb036ec1d1edc"`
[INFO] [stdout] 776585bad649f785833139f86b48f95a0505707acce0fe4b258cb036ec1d1edc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ef8001ca22f9ebf2da2969b7a99fd48d17d98b9647becdca5c9c187f28a69899
[INFO] running `"docker" "start" "-a" "ef8001ca22f9ebf2da2969b7a99fd48d17d98b9647becdca5c9c187f28a69899"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/random_tetrahedron-f4aa84eea839ef70
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ef8001ca22f9ebf2da2969b7a99fd48d17d98b9647becdca5c9c187f28a69899"`
[INFO] running `"docker" "rm" "-f" "ef8001ca22f9ebf2da2969b7a99fd48d17d98b9647becdca5c9c187f28a69899"`
[INFO] [stdout] ef8001ca22f9ebf2da2969b7a99fd48d17d98b9647becdca5c9c187f28a69899