[INFO] cloning repository https://github.com/leokhachatorians/river
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leokhachatorians/river" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleokhachatorians%2Friver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleokhachatorians%2Friver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e5919d88a4f18b97da349d0081cce82cfeaa960
[INFO] checking leokhachatorians/river against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleokhachatorians%2Friver" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leokhachatorians/river on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leokhachatorians/river
[INFO] finished tweaking git repo https://github.com/leokhachatorians/river
[INFO] tweaked toml for git repo https://github.com/leokhachatorians/river written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/leokhachatorians/river already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 516e501c6c274e67c3d166945741e5aebcb18dcaa6743e47834131c1423df25b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "516e501c6c274e67c3d166945741e5aebcb18dcaa6743e47834131c1423df25b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "516e501c6c274e67c3d166945741e5aebcb18dcaa6743e47834131c1423df25b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516e501c6c274e67c3d166945741e5aebcb18dcaa6743e47834131c1423df25b", kill_on_drop: false }`
[INFO] [stdout] 516e501c6c274e67c3d166945741e5aebcb18dcaa6743e47834131c1423df25b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe9b9a97ab6014853303a7b7510b3791ccf5d1057cc89658f58e8d5a2bb33dc8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe9b9a97ab6014853303a7b7510b3791ccf5d1057cc89658f58e8d5a2bb33dc8", kill_on_drop: false }`
[INFO] [stderr]     Checking river v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let r = ray::Ray::new(v1, v2);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]  --> src/utility.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn cross(u: Vec3, v: Vec3) -> Vec3 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]   --> src/vec3.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn dot(v1: Vec3, v2: Vec3) -> f64 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]   --> src/vec3.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn cross(u: Vec3, v: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unit_vector`
[INFO] [stdout]   --> src/vec3.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn unit_vector(v: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let N = utility::unit_vector(r.at(t) - subtracted_by);
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let r = ray::Ray::new(v1, v2);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vec3.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let mut test_vec = Vec3::new(1.0, 2.0, 3.0);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vec3.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let mut test_vec = Vec3::new(1.0, 2.0, 3.0);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]   --> src/vec3.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn dot(v1: Vec3, v2: Vec3) -> f64 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]   --> src/vec3.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn cross(u: Vec3, v: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unit_vector`
[INFO] [stdout]   --> src/vec3.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn unit_vector(v: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let N = utility::unit_vector(r.at(t) - subtracted_by);
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "fe9b9a97ab6014853303a7b7510b3791ccf5d1057cc89658f58e8d5a2bb33dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9b9a97ab6014853303a7b7510b3791ccf5d1057cc89658f58e8d5a2bb33dc8", kill_on_drop: false }`
[INFO] [stdout] fe9b9a97ab6014853303a7b7510b3791ccf5d1057cc89658f58e8d5a2bb33dc8