[INFO] updating cached repository https://github.com/sieginglion/ray_caster
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db57af9a09143a772adef347eeba8a10872a05cc
[INFO] testing sieginglion/ray_caster against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsieginglion%2Fray_caster" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sieginglion/ray_caster on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sieginglion/ray_caster
[INFO] finished tweaking git repo https://github.com/sieginglion/ray_caster
[INFO] tweaked toml for git repo https://github.com/sieginglion/ray_caster written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sieginglion/ray_caster already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b0de520ab5452baead9513c56d1e76892f6d4eb8dc64bf38b511aecebe24107
[INFO] running `"docker" "start" "-a" "7b0de520ab5452baead9513c56d1e76892f6d4eb8dc64bf38b511aecebe24107"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling ray_caster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `O` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:14
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn intersect(O: [f32; 3], D: [f32; 3], V: &[[f32; 3]; 3]) -> f32 {
[INFO] [stderr]    |              ^ help: convert the identifier to snake case (notice the capitalization): `o`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn intersect(O: [f32; 3], D: [f32; 3], V: &[[f32; 3]; 3]) -> f32 {
[INFO] [stderr]    |                           ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:40
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn intersect(O: [f32; 3], D: [f32; 3], V: &[[f32; 3]; 3]) -> f32 {
[INFO] [stderr]    |                                        ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E_1` should have a snake case name
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let E_1 = subtract(V[1], V[0]);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `e_1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E_2` should have a snake case name
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let E_2 = subtract(V[2], V[0]);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `e_2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `P` should have a snake case name
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let P = cross(D, E_2);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `p`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let T = subtract(O, V[0]);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Q` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let Q = cross(T, E_1);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `q`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `O` should have a snake case name
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn cast(O: &Vec<[[f32; 3]; 3]>, R_0: [f32; 3], D: [f32; 3]) -> f32 {
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R_0` should have a snake case name
[INFO] [stderr]   --> src/main.rs:58:33
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn cast(O: &Vec<[[f32; 3]; 3]>, R_0: [f32; 3], D: [f32; 3]) -> f32 {
[INFO] [stderr]    |                                 ^^^ help: convert the identifier to snake case: `r_0`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/main.rs:58:48
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn cast(O: &Vec<[[f32; 3]; 3]>, R_0: [f32; 3], D: [f32; 3]) -> f32 {
[INFO] [stderr]    |                                                ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V` should have a snake case name
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     for V in O {
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FOV` should have a snake case name
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let FOV: f32 = 60. * 0.0174;
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case (notice the capitalization): `fov`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/threadpool.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             worker.join();
[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: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.08s
[INFO] running `"docker" "inspect" "7b0de520ab5452baead9513c56d1e76892f6d4eb8dc64bf38b511aecebe24107"`
[INFO] running `"docker" "rm" "-f" "7b0de520ab5452baead9513c56d1e76892f6d4eb8dc64bf38b511aecebe24107"`
[INFO] [stdout] 7b0de520ab5452baead9513c56d1e76892f6d4eb8dc64bf38b511aecebe24107
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 367891c59199ede2b0793693d97232e633e63abb8d011e7465b536c1f0f3bd95
[INFO] running `"docker" "start" "-a" "367891c59199ede2b0793693d97232e633e63abb8d011e7465b536c1f0f3bd95"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ray_caster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `O` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:14
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn intersect(O: [f32; 3], D: [f32; 3], V: &[[f32; 3]; 3]) -> f32 {
[INFO] [stderr]    |              ^ help: convert the identifier to snake case (notice the capitalization): `o`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn intersect(O: [f32; 3], D: [f32; 3], V: &[[f32; 3]; 3]) -> f32 {
[INFO] [stderr]    |                           ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:40
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn intersect(O: [f32; 3], D: [f32; 3], V: &[[f32; 3]; 3]) -> f32 {
[INFO] [stderr]    |                                        ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E_1` should have a snake case name
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let E_1 = subtract(V[1], V[0]);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `e_1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E_2` should have a snake case name
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let E_2 = subtract(V[2], V[0]);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `e_2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `P` should have a snake case name
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let P = cross(D, E_2);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `p`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let T = subtract(O, V[0]);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Q` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let Q = cross(T, E_1);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `q`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `O` should have a snake case name
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn cast(O: &Vec<[[f32; 3]; 3]>, R_0: [f32; 3], D: [f32; 3]) -> f32 {
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R_0` should have a snake case name
[INFO] [stderr]   --> src/main.rs:58:33
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn cast(O: &Vec<[[f32; 3]; 3]>, R_0: [f32; 3], D: [f32; 3]) -> f32 {
[INFO] [stderr]    |                                 ^^^ help: convert the identifier to snake case: `r_0`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/main.rs:58:48
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn cast(O: &Vec<[[f32; 3]; 3]>, R_0: [f32; 3], D: [f32; 3]) -> f32 {
[INFO] [stderr]    |                                                ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V` should have a snake case name
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     for V in O {
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FOV` should have a snake case name
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let FOV: f32 = 60. * 0.0174;
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case (notice the capitalization): `fov`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/threadpool.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             worker.join();
[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: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "367891c59199ede2b0793693d97232e633e63abb8d011e7465b536c1f0f3bd95"`
[INFO] running `"docker" "rm" "-f" "367891c59199ede2b0793693d97232e633e63abb8d011e7465b536c1f0f3bd95"`
[INFO] [stdout] 367891c59199ede2b0793693d97232e633e63abb8d011e7465b536c1f0f3bd95
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c309d2bba590117ff9e3df083330d2f4a66159a923f92e98eb47cd2a8c2ca66
[INFO] running `"docker" "start" "-a" "9c309d2bba590117ff9e3df083330d2f4a66159a923f92e98eb47cd2a8c2ca66"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variable `O` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:14
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn intersect(O: [f32; 3], D: [f32; 3], V: &[[f32; 3]; 3]) -> f32 {
[INFO] [stderr]    |              ^ help: convert the identifier to snake case (notice the capitalization): `o`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn intersect(O: [f32; 3], D: [f32; 3], V: &[[f32; 3]; 3]) -> f32 {
[INFO] [stderr]    |                           ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:40
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn intersect(O: [f32; 3], D: [f32; 3], V: &[[f32; 3]; 3]) -> f32 {
[INFO] [stderr]    |                                        ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E_1` should have a snake case name
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let E_1 = subtract(V[1], V[0]);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `e_1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E_2` should have a snake case name
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let E_2 = subtract(V[2], V[0]);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `e_2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `P` should have a snake case name
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let P = cross(D, E_2);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `p`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let T = subtract(O, V[0]);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Q` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let Q = cross(T, E_1);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `q`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `O` should have a snake case name
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn cast(O: &Vec<[[f32; 3]; 3]>, R_0: [f32; 3], D: [f32; 3]) -> f32 {
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R_0` should have a snake case name
[INFO] [stderr]   --> src/main.rs:58:33
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn cast(O: &Vec<[[f32; 3]; 3]>, R_0: [f32; 3], D: [f32; 3]) -> f32 {
[INFO] [stderr]    |                                 ^^^ help: convert the identifier to snake case: `r_0`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/main.rs:58:48
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn cast(O: &Vec<[[f32; 3]; 3]>, R_0: [f32; 3], D: [f32; 3]) -> f32 {
[INFO] [stderr]    |                                                ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V` should have a snake case name
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     for V in O {
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FOV` should have a snake case name
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let FOV: f32 = 60. * 0.0174;
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case (notice the capitalization): `fov`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/threadpool.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             worker.join();
[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: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ray_caster-593411ea9911b0fa
[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" "9c309d2bba590117ff9e3df083330d2f4a66159a923f92e98eb47cd2a8c2ca66"`
[INFO] running `"docker" "rm" "-f" "9c309d2bba590117ff9e3df083330d2f4a66159a923f92e98eb47cd2a8c2ca66"`
[INFO] [stdout] 9c309d2bba590117ff9e3df083330d2f4a66159a923f92e98eb47cd2a8c2ca66