[INFO] cloning repository https://github.com/nipzu/primesieve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nipzu/primesieve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fprimesieve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fprimesieve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f119f08aeedd5682629124062d67a99dc11a573
[INFO] checking nipzu/primesieve against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fprimesieve" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nipzu/primesieve on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nipzu/primesieve
[INFO] finished tweaking git repo https://github.com/nipzu/primesieve
[INFO] tweaked toml for git repo https://github.com/nipzu/primesieve written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nipzu/primesieve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c5649e0e0fcbdccd5b7b695503f1330e06308ff5b7f9ac96aabd2ebb0d6598f
[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" "4c5649e0e0fcbdccd5b7b695503f1330e06308ff5b7f9ac96aabd2ebb0d6598f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5649e0e0fcbdccd5b7b695503f1330e06308ff5b7f9ac96aabd2ebb0d6598f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5649e0e0fcbdccd5b7b695503f1330e06308ff5b7f9ac96aabd2ebb0d6598f", kill_on_drop: false }`
[INFO] [stdout] 4c5649e0e0fcbdccd5b7b695503f1330e06308ff5b7f9ac96aabd2ebb0d6598f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37bb21fae2ee8a56089fa0babc1e9f60cd30426d3f430c50a822c1384f0689dd
[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" "37bb21fae2ee8a56089fa0babc1e9f60cd30426d3f430c50a822c1384f0689dd", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking primesieve v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (4 fixes)
[INFO] [stderr]        Fixed src/sieve.rs (8 fixes)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/sieve.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             return todo!();
[INFO] [stdout]    |             ^^^^^^^-------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `small_segment_size`
[INFO] [stdout]  --> src/sieve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     small_segment_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `big_segment_size`
[INFO] [stdout]  --> src/sieve.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     big_segment_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `small_prime_threshold`
[INFO] [stdout]  --> src/sieve.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     small_prime_threshold: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `medium_prime_threshold`
[INFO] [stdout]  --> src/sieve.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     medium_prime_threshold: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_range`
[INFO] [stdout]   --> src/sieve.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn sieve_range(&self, start: u64, end: u64) -> SievedPrimes {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sieving_primes`
[INFO] [stdout]   --> src/sieve.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_sieving_primes(&self, _end: u64) -> (Vec<u64>, [Vec<u64>; 8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_range_with_buffer`
[INFO] [stdout]   --> src/sieve.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn sieve_range_with_buffer(&self, start: u64, _end: u64, _buffer: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_segment`
[INFO] [stdout]   --> src/sieve.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn sieve_segment(&self, _start: u64, _is_prime: &mut [u8], _sieving_primes: &[Vec<u64>; 8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SievedPrimes`
[INFO] [stdout]   --> src/sieve.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct SievedPrimes {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     start: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     end: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/sieve.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             return todo!();
[INFO] [stdout]    |             ^^^^^^^-------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `small_segment_size`
[INFO] [stdout]  --> src/sieve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     small_segment_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `big_segment_size`
[INFO] [stdout]  --> src/sieve.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     big_segment_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `small_prime_threshold`
[INFO] [stdout]  --> src/sieve.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     small_prime_threshold: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `medium_prime_threshold`
[INFO] [stdout]  --> src/sieve.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     medium_prime_threshold: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_range`
[INFO] [stdout]   --> src/sieve.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn sieve_range(&self, start: u64, end: u64) -> SievedPrimes {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sieving_primes`
[INFO] [stdout]   --> src/sieve.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_sieving_primes(&self, _end: u64) -> (Vec<u64>, [Vec<u64>; 8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_range_with_buffer`
[INFO] [stdout]   --> src/sieve.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn sieve_range_with_buffer(&self, start: u64, _end: u64, _buffer: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_segment`
[INFO] [stdout]   --> src/sieve.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn sieve_segment(&self, _start: u64, _is_prime: &mut [u8], _sieving_primes: &[Vec<u64>; 8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SievedPrimes`
[INFO] [stdout]   --> src/sieve.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct SievedPrimes {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     start: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     end: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking primesieve v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/sieve.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             return todo!();
[INFO] [stdout]    |             ^^^^^^^-------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `small_segment_size`
[INFO] [stdout]  --> src/sieve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     small_segment_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `big_segment_size`
[INFO] [stdout]  --> src/sieve.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     big_segment_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `small_prime_threshold`
[INFO] [stdout]  --> src/sieve.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     small_prime_threshold: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `medium_prime_threshold`
[INFO] [stdout]  --> src/sieve.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     medium_prime_threshold: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_range`
[INFO] [stdout]   --> src/sieve.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn sieve_range(&self, start: u64, end: u64) -> SievedPrimes {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sieving_primes`
[INFO] [stdout]   --> src/sieve.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_sieving_primes(&self, _end: u64) -> (Vec<u64>, [Vec<u64>; 8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_range_with_buffer`
[INFO] [stdout]   --> src/sieve.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn sieve_range_with_buffer(&self, start: u64, _end: u64, _buffer: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_segment`
[INFO] [stdout]   --> src/sieve.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn sieve_segment(&self, _start: u64, _is_prime: &mut [u8], _sieving_primes: &[Vec<u64>; 8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SievedPrimes`
[INFO] [stdout]   --> src/sieve.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct SievedPrimes {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     start: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     end: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/sieve.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             return todo!();
[INFO] [stdout]    |             ^^^^^^^-------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `small_segment_size`
[INFO] [stdout]  --> src/sieve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     small_segment_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `big_segment_size`
[INFO] [stdout]  --> src/sieve.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     big_segment_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `small_prime_threshold`
[INFO] [stdout]  --> src/sieve.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     small_prime_threshold: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `medium_prime_threshold`
[INFO] [stdout]  --> src/sieve.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     medium_prime_threshold: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_range`
[INFO] [stdout]   --> src/sieve.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn sieve_range(&self, start: u64, end: u64) -> SievedPrimes {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sieving_primes`
[INFO] [stdout]   --> src/sieve.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_sieving_primes(&self, _end: u64) -> (Vec<u64>, [Vec<u64>; 8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_range_with_buffer`
[INFO] [stdout]   --> src/sieve.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn sieve_range_with_buffer(&self, start: u64, _end: u64, _buffer: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sieve_segment`
[INFO] [stdout]   --> src/sieve.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn sieve_segment(&self, _start: u64, _is_prime: &mut [u8], _sieving_primes: &[Vec<u64>; 8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SievedPrimes`
[INFO] [stdout]   --> src/sieve.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct SievedPrimes {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     start: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     end: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "37bb21fae2ee8a56089fa0babc1e9f60cd30426d3f430c50a822c1384f0689dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bb21fae2ee8a56089fa0babc1e9f60cd30426d3f430c50a822c1384f0689dd", kill_on_drop: false }`
[INFO] [stdout] 37bb21fae2ee8a56089fa0babc1e9f60cd30426d3f430c50a822c1384f0689dd