[INFO] fetching crate lt-fm-index 0.4.0...
[INFO] checking lt-fm-index-0.4.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate lt-fm-index 0.4.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lt-fm-index 0.4.0 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 crates.io crate lt-fm-index 0.4.0
[INFO] finished tweaking crates.io crate lt-fm-index 0.4.0
[INFO] tweaked toml for crates.io crate lt-fm-index 0.4.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 369941c642c679bc6b8a76be91ff07e8625106235837431caf1f72168c0b11c8
[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" "369941c642c679bc6b8a76be91ff07e8625106235837431caf1f72168c0b11c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "369941c642c679bc6b8a76be91ff07e8625106235837431caf1f72168c0b11c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369941c642c679bc6b8a76be91ff07e8625106235837431caf1f72168c0b11c8", kill_on_drop: false }`
[INFO] [stdout] 369941c642c679bc6b8a76be91ff07e8625106235837431caf1f72168c0b11c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 833149b2dd80668461882743cba81c934a0fb01c84f3d762a5b3f9756546f5e4
[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" "833149b2dd80668461882743cba81c934a0fb01c84f3d762a5b3f9756546f5e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling fid v0.1.7
[INFO] [stderr]    Compiling libdivsufsort-rs v0.1.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking fm-index v0.1.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking lt-fm-index v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `T_UTF8`
[INFO] [stdout]   --> src/deprecated/fmindex_on.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const T_UTF8: u8 = 84;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `A_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const A_U8_IDX: u8 = 0b000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `C_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | const C_U8_IDX: u8 = 0b001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `G_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const G_U8_IDX: u8 = 0b010;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `T_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | const T_U8_IDX: u8 = 0b011;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `N_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const N_U8_IDX: u8 = 0b100;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/deprecated.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn new(config: &FmIndexConfigDep, text: Vec<u8>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `T_UTF8`
[INFO] [stdout]   --> src/deprecated/fmindex_on.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const T_UTF8: u8 = 84;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `A_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const A_U8_IDX: u8 = 0b000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `C_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | const C_U8_IDX: u8 = 0b001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `G_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const G_U8_IDX: u8 = 0b010;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `T_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | const T_U8_IDX: u8 = 0b011;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `N_U8_IDX`
[INFO] [stdout]   --> src/deprecated/fmindex_nn.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const N_U8_IDX: u8 = 0b100;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/deprecated.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn new(config: &FmIndexConfigDep, text: Vec<u8>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> benches/vs_dep.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `criterion_group`, `criterion_main`
[INFO] [stdout]  --> benches/vs_dep.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     black_box, criterion_group, criterion_main, Criterion, BenchmarkId,
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lt_fm_index::use_case::*`
[INFO] [stdout]  --> benches/vs_dep.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use lt_fm_index::use_case::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/vs_dep.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `criterion_group`, `criterion_main`
[INFO] [stdout]  --> benches/counting_bit.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     black_box, criterion_group, criterion_main, Criterion, BenchmarkId
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> benches/vs_dep.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `criterion_group`, `criterion_main`
[INFO] [stdout]  --> benches/vs_dep.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     black_box, criterion_group, criterion_main, Criterion, BenchmarkId,
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lt_fm_index::use_case::*`
[INFO] [stdout]  --> benches/vs_dep.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use lt_fm_index::use_case::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `criterion_group`, `criterion_main`
[INFO] [stdout]  --> benches/counting_bit.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     black_box, criterion_group, criterion_main, Criterion, BenchmarkId
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `counting_bit::bench_counting_bits_of_u64`
[INFO] [stdout]   --> benches/benchmark.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use counting_bit::bench_counting_bits_of_u64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/counting_bit.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/counting_bit.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/counting_bit.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]   --> benches/counting_bit.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let rank = bits_to_count.count_ones();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]   --> benches/counting_bit.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let rank: u64 = bits_to_count.to_ne_bytes().iter()
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/vs_dep.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> benches/vs_dep.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |             |b, i| b.iter(|| {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/counting_bit.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/counting_bit.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/counting_bit.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             |b, i| b.iter(|| {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]   --> benches/counting_bit.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let rank = bits_to_count.count_ones();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]   --> benches/counting_bit.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let rank: u64 = bits_to_count.to_ne_bytes().iter()
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bench_counting_bits_of_u64`
[INFO] [stdout]  --> benches/counting_bit.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn bench_counting_bits_of_u64(c: &mut Criterion) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_with_count_bits_method`
[INFO] [stdout]   --> benches/counting_bit.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn count_with_count_bits_method(bits_to_count: u64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_with_bit_count_table_8_mut_var`
[INFO] [stdout]   --> benches/counting_bit.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn count_with_bit_count_table_8_mut_var(bits_to_count: u64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_with_bit_count_table_8_map`
[INFO] [stdout]   --> benches/counting_bit.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn count_with_bit_count_table_8_map(bits_to_count: u64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BIT_COUNT_TABLE_8`
[INFO] [stdout]   --> benches/counting_bit.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / pub const BIT_COUNT_TABLE_8: [u64; 256] = [
[INFO] [stdout] 63 | |     0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4,
[INFO] [stdout] 64 | |     1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
[INFO] [stdout] 65 | |     1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8,
[INFO] [stdout] 79 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.05s
[INFO] running `Command { std: "docker" "inspect" "833149b2dd80668461882743cba81c934a0fb01c84f3d762a5b3f9756546f5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833149b2dd80668461882743cba81c934a0fb01c84f3d762a5b3f9756546f5e4", kill_on_drop: false }`
[INFO] [stdout] 833149b2dd80668461882743cba81c934a0fb01c84f3d762a5b3f9756546f5e4
