[INFO] cloning repository https://github.com/egoavara/rs-1brc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/egoavara/rs-1brc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegoavara%2Frs-1brc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegoavara%2Frs-1brc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f517681b1a6d291ab9f93fe3f38bd4a59d8b58f7
[INFO] checking egoavara/rs-1brc against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegoavara%2Frs-1brc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/egoavara/rs-1brc
[INFO] finished tweaking git repo https://github.com/egoavara/rs-1brc
[INFO] tweaked toml for git repo https://github.com/egoavara/rs-1brc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/egoavara/rs-1brc on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/egoavara/rs-1brc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87591c77f63fafc699fbfa05755675984baab12e9594ad15cd2a815a810fdf4c
[INFO] running `Command { std: "docker" "start" "-a" "87591c77f63fafc699fbfa05755675984baab12e9594ad15cd2a815a810fdf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87591c77f63fafc699fbfa05755675984baab12e9594ad15cd2a815a810fdf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87591c77f63fafc699fbfa05755675984baab12e9594ad15cd2a815a810fdf4c", kill_on_drop: false }`
[INFO] [stdout] 87591c77f63fafc699fbfa05755675984baab12e9594ad15cd2a815a810fdf4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25800e844d0735551d7b64369a1fcebe5f6077317adb5b89ed48aacff5d184d5
[INFO] running `Command { std: "docker" "start" "-a" "25800e844d0735551d7b64369a1fcebe5f6077317adb5b89ed48aacff5d184d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rs-1brc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildHasher` and `Hash`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::{BuildHasher, Hash};
[INFO] [stdout]   |                 ^^^^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitAnd`, `Not`, and `Sub`
[INFO] [stdout]  --> src/main.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{BitAnd, Not, Sub};
[INFO] [stdout]   |                ^^^^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::simd::cmp::SimdPartialEq`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::simd::cmp::SimdPartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/approach_6.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/approach_7.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/approach_8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/approach_8.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/approach_8.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/approach_9.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/approach_9.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildHasher` and `Hash`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::{BuildHasher, Hash};
[INFO] [stdout]   |                 ^^^^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitAnd`, `Not`, and `Sub`
[INFO] [stdout]  --> src/main.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{BitAnd, Not, Sub};
[INFO] [stdout]   |                ^^^^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::simd::cmp::SimdPartialEq`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::simd::cmp::SimdPartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/approach_6.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/approach_7.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/approach_8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/approach_8.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/approach_8.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/approach_9.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]  --> src/approach_9.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hashbrown::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_5.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_6.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_7.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_8.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/approach_0.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let data = result.get(&key).unwrap();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/approach_1.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let data = result.get(&key).unwrap();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_2.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_2.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/approach_3.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let result = (0..parallel_count)
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_5.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_6.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_7.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/approach_8.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_3.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_3.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 97 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/approach_0.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let data = result.get(&key).unwrap();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_4.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_4.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/approach_1.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let data = result.get(&key).unwrap();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_5.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_5.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_2.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_2.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_6.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_6.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/approach_3.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let result = (0..parallel_count)
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_7.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_7.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_3.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_3.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 97 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_4.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_4.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_5.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_5.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/approach_9.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let result = chunks
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_6.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_6.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/approach_0.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_0.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/approach_1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_1.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/approach_2.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_2.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_2.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_2.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_3.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_3.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_3.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_3.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_3.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/approach_7.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut start = offset;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_4.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_4.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_4.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_4.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_4.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/approach_7.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (Some(l), None) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_5.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_5.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_5.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_5.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_5.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_6.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_SIZE` is never used
[INFO] [stdout]   --> src/approach_6.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const TABLE_SIZE: usize = 1 << 17;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_6.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_6.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_6.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_6.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_7.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_SIZE` is never used
[INFO] [stdout]   --> src/approach_7.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const TABLE_SIZE: usize = 1 << 17;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_7.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_7.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_7.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_7.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_long` is never used
[INFO] [stdout]    --> src/approach_7.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn next_long<'a>(mmap: &'a memmap2::Mmap, start: usize, semicolon: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_8.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Data<'s> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_SIZE` is never used
[INFO] [stdout]   --> src/approach_8.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const TABLE_SIZE: usize = 1 << 17;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGMENT_SIZE` is never used
[INFO] [stdout]   --> src/approach_8.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const SEGMENT_SIZE: usize = 1 << 21;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_8.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_8.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]   --> src/approach_8.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn step<'a: 'b, 'b>(mmap: &'a memmap2::Mmap, offset: usize, result: &'b mut Vec<Option<Data<'a>>>) -> Option<usize> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `segmentation` is never used
[INFO] [stdout]    --> src/approach_8.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn segmentation<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split3_segment` is never used
[INFO] [stdout]    --> src/approach_8.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn split3_segment(segment: &[u8]) -> (&[u8], &[u8], &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_line` is never used
[INFO] [stdout]    --> src/approach_8.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn next_line<'a>(segment: &'a [u8], start: usize) -> Option<(&'a str, f64, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_line` is never used
[INFO] [stdout]    --> src/approach_8.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn do_line<'a: 'b, 'b>(key: &'a str, val: f64, result: &'b mut Vec<Option<Data<'a>>>) -> Option<(&'a str, f64, usize)> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_pattern` is never used
[INFO] [stdout]    --> src/approach_8.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn find_pattern(segment: &[u8], start: usize, pattern: u8) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split3_segment` is never used
[INFO] [stdout]    --> src/approach_9.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn split3_segment(segment: &[u8]) -> (&[u8], &[u8], &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `core_intrinsics` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/approach_9.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let result = chunks
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/approach_0.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_0.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/approach_1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_1.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/approach_2.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Data {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_2.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_2.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_2.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_3.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_3.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_3.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_3.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_3.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_4.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_4.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_4.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_4.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_4.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_5.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_5.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_5.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_5.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_5.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_6.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_SIZE` is never used
[INFO] [stdout]   --> src/approach_6.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const TABLE_SIZE: usize = 1 << 17;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_6.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_6.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_6.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_6.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_7.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_SIZE` is never used
[INFO] [stdout]   --> src/approach_7.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const TABLE_SIZE: usize = 1 << 17;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_7.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimize_position` is never used
[INFO] [stdout]   --> src/approach_7.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn optimize_position<'a>(mmap: &'a memmap2::Mmap, position: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_7.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/approach_7.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn next<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_long` is never used
[INFO] [stdout]    --> src/approach_7.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn next_long<'a>(mmap: &'a memmap2::Mmap, start: usize, semicolon: usize) -> (&'a [u8], &'a [u8], Option<usize>) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/approach_8.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Data<'s> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_SIZE` is never used
[INFO] [stdout]   --> src/approach_8.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const TABLE_SIZE: usize = 1 << 17;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGMENT_SIZE` is never used
[INFO] [stdout]   --> src/approach_8.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const SEGMENT_SIZE: usize = 1 << 21;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/approach_8.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn run(path: &Path) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_by_slice` is never used
[INFO] [stdout]   --> src/approach_8.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn fill_by_slice(data: &[u8]) -> u8x32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]   --> src/approach_8.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn step<'a: 'b, 'b>(mmap: &'a memmap2::Mmap, offset: usize, result: &'b mut Vec<Option<Data<'a>>>) -> Option<usize> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `segmentation` is never used
[INFO] [stdout]    --> src/approach_8.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn segmentation<'a>(mmap: &'a memmap2::Mmap, offset: usize) -> (&'a [u8], usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split3_segment` is never used
[INFO] [stdout]    --> src/approach_8.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn split3_segment(segment: &[u8]) -> (&[u8], &[u8], &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_line` is never used
[INFO] [stdout]    --> src/approach_8.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn next_line<'a>(segment: &'a [u8], start: usize) -> Option<(&'a str, f64, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_line` is never used
[INFO] [stdout]    --> src/approach_8.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn do_line<'a: 'b, 'b>(key: &'a str, val: f64, result: &'b mut Vec<Option<Data<'a>>>) -> Option<(&'a str, f64, usize)> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_pattern` is never used
[INFO] [stdout]    --> src/approach_8.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn find_pattern(segment: &[u8], start: usize, pattern: u8) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split3_segment` is never used
[INFO] [stdout]    --> src/approach_9.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn split3_segment(segment: &[u8]) -> (&[u8], &[u8], &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `core_intrinsics` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "25800e844d0735551d7b64369a1fcebe5f6077317adb5b89ed48aacff5d184d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25800e844d0735551d7b64369a1fcebe5f6077317adb5b89ed48aacff5d184d5", kill_on_drop: false }`
[INFO] [stdout] 25800e844d0735551d7b64369a1fcebe5f6077317adb5b89ed48aacff5d184d5
