[INFO] cloning repository https://github.com/0ry/ray
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0ry/ray" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0ry%2Fray", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0ry%2Fray'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bab8a3566b2adc725a7fe706430fd57b839ea20
[INFO] testing 0ry/ray against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0ry%2Fray" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0ry/ray on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0ry/ray
[INFO] finished tweaking git repo https://github.com/0ry/ray
[INFO] tweaked toml for git repo https://github.com/0ry/ray written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/0ry/ray already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79c22a464bcf7d5f0395ff33cf6b8195cc9543ecdd3dc942c6112e0d4e42008c
[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" "79c22a464bcf7d5f0395ff33cf6b8195cc9543ecdd3dc942c6112e0d4e42008c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79c22a464bcf7d5f0395ff33cf6b8195cc9543ecdd3dc942c6112e0d4e42008c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c22a464bcf7d5f0395ff33cf6b8195cc9543ecdd3dc942c6112e0d4e42008c", kill_on_drop: false }`
[INFO] [stdout] 79c22a464bcf7d5f0395ff33cf6b8195cc9543ecdd3dc942c6112e0d4e42008c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d31632bbf180b57de9d38162aaecbae55fc4d83950cc966d1b4ab19b9bdd712
[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" "4d31632bbf180b57de9d38162aaecbae55fc4d83950cc966d1b4ab19b9bdd712", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling serde v1.0.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling gif v0.9.1
[INFO] [stderr]    Compiling deflate v0.7.8
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.12
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling ray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize`, `Deserializer`
[INFO] [stdout]  --> src/vector.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Deserialize, Deserializer};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout]    |         ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout] 22 +         self.x * self.x + self.y * self.y + self.z * self.z
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         (self.x * other.x + self.y * other.y + self.z * other.z)
[INFO] [stdout]    |         ^                                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -         (self.x * other.x + self.y * other.y + self.z * other.z)
[INFO] [stdout] 39 +         self.x * other.x + self.y * other.y + self.z * other.z
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         (self + other.neg())
[INFO] [stdout]    |         ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 -         (self + other.neg())
[INFO] [stdout] 86 +         self + other.neg()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vector.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         (other * self)
[INFO] [stdout]     |         ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -         (other * self)
[INFO] [stdout] 106 +         other * self
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross_test`
[INFO] [stdout]    --> src/vector.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn cross_test() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_normalized_test`
[INFO] [stdout]    --> src/vector.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn deserialize_normalized_test() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gamma_decode`
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn gamma_decode(encoded: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.78s
[INFO] running `Command { std: "docker" "inspect" "4d31632bbf180b57de9d38162aaecbae55fc4d83950cc966d1b4ab19b9bdd712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d31632bbf180b57de9d38162aaecbae55fc4d83950cc966d1b4ab19b9bdd712", kill_on_drop: false }`
[INFO] [stdout] 4d31632bbf180b57de9d38162aaecbae55fc4d83950cc966d1b4ab19b9bdd712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a22afaa192dd632c2a62ea0199f207db579b3ef46f04a1ae0432bd861eb52ab
[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" "9a22afaa192dd632c2a62ea0199f207db579b3ef46f04a1ae0432bd861eb52ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize`, `Deserializer`
[INFO] [stdout]  --> src/vector.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Deserialize, Deserializer};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout]    |         ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout] 22 +         self.x * self.x + self.y * self.y + self.z * self.z
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         (self.x * other.x + self.y * other.y + self.z * other.z)
[INFO] [stdout]    |         ^                                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -         (self.x * other.x + self.y * other.y + self.z * other.z)
[INFO] [stdout] 39 +         self.x * other.x + self.y * other.y + self.z * other.z
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         (self + other.neg())
[INFO] [stdout]    |         ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 -         (self + other.neg())
[INFO] [stdout] 86 +         self + other.neg()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vector.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         (other * self)
[INFO] [stdout]     |         ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -         (other * self)
[INFO] [stdout] 106 +         other * self
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross_test`
[INFO] [stdout]    --> src/vector.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn cross_test() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_normalized_test`
[INFO] [stdout]    --> src/vector.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn deserialize_normalized_test() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gamma_decode`
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn gamma_decode(encoded: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "9a22afaa192dd632c2a62ea0199f207db579b3ef46f04a1ae0432bd861eb52ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a22afaa192dd632c2a62ea0199f207db579b3ef46f04a1ae0432bd861eb52ab", kill_on_drop: false }`
[INFO] [stdout] 9a22afaa192dd632c2a62ea0199f207db579b3ef46f04a1ae0432bd861eb52ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec5a0b89f7f6a2c99f3e43239bc47b27d1096f32af2848e9f26a8fc7e856ba69
[INFO] running `Command { std: "docker" "start" "-a" "ec5a0b89f7f6a2c99f3e43239bc47b27d1096f32af2848e9f26a8fc7e856ba69", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Deserialize`, `Deserializer`
[INFO] [stderr]  --> src/vector.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::{Deserialize, Deserializer};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vector.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stderr]    |         ^                                                   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 22 -         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stderr] 22 +         self.x * self.x + self.y * self.y + self.z * self.z
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vector.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         (self.x * other.x + self.y * other.y + self.z * other.z)
[INFO] [stderr]    |         ^                                                      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 39 -         (self.x * other.x + self.y * other.y + self.z * other.z)
[INFO] [stderr] 39 +         self.x * other.x + self.y * other.y + self.z * other.z
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vector.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         (self + other.neg())
[INFO] [stderr]    |         ^                  ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 86 -         (self + other.neg())
[INFO] [stderr] 86 +         self + other.neg()
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/vector.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         (other * self)
[INFO] [stderr]     |         ^            ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 106 -         (other * self)
[INFO] [stderr] 106 +         other * self
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cross_test`
[INFO] [stderr]    --> src/vector.rs:141:4
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn cross_test() {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_normalized_test`
[INFO] [stderr]    --> src/vector.rs:145:4
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn deserialize_normalized_test() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gamma_decode`
[INFO] [stderr]   --> src/main.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn gamma_decode(encoded: f32) -> f32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ray` (bin "ray" test) generated 8 warnings
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ray-ae13f63d5de9ad40)
[INFO] [stdout] test vector::mul_test ... ok
[INFO] [stdout] test vector::norm_test ... ok
[INFO] [stdout] test vector::dot_test ... ok
[INFO] [stdout] test point::sub_points_test ... ok
[INFO] [stdout] test vector::normalize_test ... ok
[INFO] [stdout] test vector::length_test ... ok
[INFO] [stdout] test vector::sum_neg_sub_test ... ok
[INFO] [stdout] test can_render_scene_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec5a0b89f7f6a2c99f3e43239bc47b27d1096f32af2848e9f26a8fc7e856ba69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5a0b89f7f6a2c99f3e43239bc47b27d1096f32af2848e9f26a8fc7e856ba69", kill_on_drop: false }`
[INFO] [stdout] ec5a0b89f7f6a2c99f3e43239bc47b27d1096f32af2848e9f26a8fc7e856ba69