[INFO] cloning repository https://github.com/nick-hill/day4_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nick-hill/day4_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick-hill%2Fday4_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick-hill%2Fday4_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 750ce06e1c3b4af5e244743cb97959b319e4c159
[INFO] testing nick-hill/day4_rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick-hill%2Fday4_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nick-hill/day4_rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nick-hill/day4_rust
[INFO] finished tweaking git repo https://github.com/nick-hill/day4_rust
[INFO] tweaked toml for git repo https://github.com/nick-hill/day4_rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nick-hill/day4_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8df3aba45c4cf61f21203f8fb5e1c3298874e1090d6ef4d863d5c929fffa2c2
[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" "e8df3aba45c4cf61f21203f8fb5e1c3298874e1090d6ef4d863d5c929fffa2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8df3aba45c4cf61f21203f8fb5e1c3298874e1090d6ef4d863d5c929fffa2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8df3aba45c4cf61f21203f8fb5e1c3298874e1090d6ef4d863d5c929fffa2c2", kill_on_drop: false }`
[INFO] [stdout] e8df3aba45c4cf61f21203f8fb5e1c3298874e1090d6ef4d863d5c929fffa2c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54f65179393c84b8bc1f95a9641c1786946d178f193cba50d02f0c7eb31327cf
[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" "54f65179393c84b8bc1f95a9641c1786946d178f193cba50d02f0c7eb31327cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling day4_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Option_i32` should have an upper camel case name
[INFO] [stdout]   --> src/generics.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Option_i32 {
[INFO] [stdout]    |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionI32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Option_f64` should have an upper camel case name
[INFO] [stdout]   --> src/generics.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Option_f64 {
[INFO] [stdout]    |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionF64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> src/generics.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let integer = Numbers { x: 5, y: 10 };
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> src/generics.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let float = Numbers{ x: 1.0, y: 4.0 };
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> src/generics.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let integer = Points { x: 5, y: 10 };
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> src/generics.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let float = Points{ x: 1.0, y: 4.0 };
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float_and_integer`
[INFO] [stdout]   --> src/generics.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let float_and_integer = Points{ x: 1, y: 4.0 };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_float_and_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> src/generics.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let integer = Option_i32::Some(5);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> src/generics.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let float = Option_f64::Some(5.0);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/generics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     x: T,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/generics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     y: T,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/generics.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     x: T,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/generics.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     y : U,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/generics.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/generics.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "54f65179393c84b8bc1f95a9641c1786946d178f193cba50d02f0c7eb31327cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f65179393c84b8bc1f95a9641c1786946d178f193cba50d02f0c7eb31327cf", kill_on_drop: false }`
[INFO] [stdout] 54f65179393c84b8bc1f95a9641c1786946d178f193cba50d02f0c7eb31327cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c4d08f07476e3e40fbaf4074e652ca9c676b290b8d1f4772e403848facc94b3
[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" "4c4d08f07476e3e40fbaf4074e652ca9c676b290b8d1f4772e403848facc94b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling day4_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Option_i32` should have an upper camel case name
[INFO] [stdout]   --> src/generics.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Option_i32 {
[INFO] [stdout]    |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionI32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Option_f64` should have an upper camel case name
[INFO] [stdout]   --> src/generics.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Option_f64 {
[INFO] [stdout]    |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionF64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> src/generics.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let integer = Numbers { x: 5, y: 10 };
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> src/generics.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let float = Numbers{ x: 1.0, y: 4.0 };
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> src/generics.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let integer = Points { x: 5, y: 10 };
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> src/generics.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let float = Points{ x: 1.0, y: 4.0 };
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float_and_integer`
[INFO] [stdout]   --> src/generics.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let float_and_integer = Points{ x: 1, y: 4.0 };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_float_and_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> src/generics.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let integer = Option_i32::Some(5);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> src/generics.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let float = Option_f64::Some(5.0);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/generics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     x: T,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/generics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     y: T,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/generics.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     x: T,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/generics.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     y : U,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/generics.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/generics.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "4c4d08f07476e3e40fbaf4074e652ca9c676b290b8d1f4772e403848facc94b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4d08f07476e3e40fbaf4074e652ca9c676b290b8d1f4772e403848facc94b3", kill_on_drop: false }`
[INFO] [stdout] 4c4d08f07476e3e40fbaf4074e652ca9c676b290b8d1f4772e403848facc94b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] e90b7e64e2bbeb9bfbe6c682fcd5c976c1ee0718a7b1279196b747a5d1d97176
[INFO] running `Command { std: "docker" "start" "-a" "e90b7e64e2bbeb9bfbe6c682fcd5c976c1ee0718a7b1279196b747a5d1d97176", kill_on_drop: false }`
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Option_i32` should have an upper camel case name
[INFO] [stderr]   --> src/generics.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum Option_i32 {
[INFO] [stderr]    |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionI32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Option_f64` should have an upper camel case name
[INFO] [stderr]   --> src/generics.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum Option_f64 {
[INFO] [stderr]    |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionF64`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `integer`
[INFO] [stderr]   --> src/generics.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let integer = Numbers { x: 5, y: 10 };
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `float`
[INFO] [stderr]   --> src/generics.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let float = Numbers{ x: 1.0, y: 4.0 };
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `integer`
[INFO] [stderr]   --> src/generics.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let integer = Points { x: 5, y: 10 };
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `float`
[INFO] [stderr]   --> src/generics.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let float = Points{ x: 1.0, y: 4.0 };
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `float_and_integer`
[INFO] [stderr]   --> src/generics.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let float_and_integer = Points{ x: 1, y: 4.0 };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_float_and_integer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `integer`
[INFO] [stderr]   --> src/generics.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let integer = Option_i32::Some(5);
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `float`
[INFO] [stderr]   --> src/generics.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let float = Option_f64::Some(5.0);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> src/generics.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     x: T,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]  --> src/generics.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     y: T,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> src/generics.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     x: T,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]  --> src/generics.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     y : U,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/generics.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/generics.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `day4_rust` (bin "day4_rust" test) generated 16 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day4_rust-2d7893a893131211)
[INFO] running `Command { std: "docker" "inspect" "e90b7e64e2bbeb9bfbe6c682fcd5c976c1ee0718a7b1279196b747a5d1d97176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90b7e64e2bbeb9bfbe6c682fcd5c976c1ee0718a7b1279196b747a5d1d97176", kill_on_drop: false }`
[INFO] [stdout] e90b7e64e2bbeb9bfbe6c682fcd5c976c1ee0718a7b1279196b747a5d1d97176