[INFO] cloning repository https://github.com/stanipintjuk/prime_sieve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stanipintjuk/prime_sieve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanipintjuk%2Fprime_sieve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanipintjuk%2Fprime_sieve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7e279c6f6f3b278cda2a4f4a9f78c5112fb33bb
[INFO] linting stanipintjuk/prime_sieve against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanipintjuk%2Fprime_sieve" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stanipintjuk/prime_sieve
[INFO] finished tweaking git repo https://github.com/stanipintjuk/prime_sieve
[INFO] tweaked toml for git repo https://github.com/stanipintjuk/prime_sieve written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stanipintjuk/prime_sieve on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stanipintjuk/prime_sieve 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48ac54b8f4a15ffc8b4e6189811a062a18a8d5404ad19ce83992cd79e46e599c
[INFO] running `Command { std: "docker" "start" "-a" "48ac54b8f4a15ffc8b4e6189811a062a18a8d5404ad19ce83992cd79e46e599c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48ac54b8f4a15ffc8b4e6189811a062a18a8d5404ad19ce83992cd79e46e599c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ac54b8f4a15ffc8b4e6189811a062a18a8d5404ad19ce83992cd79e46e599c", kill_on_drop: false }`
[INFO] [stdout] 48ac54b8f4a15ffc8b4e6189811a062a18a8d5404ad19ce83992cd79e46e599c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15bc202961884a89bc242bbf7a92d9e56e9c0998b8128866d617ae1c8e5b0279
[INFO] running `Command { std: "docker" "start" "-a" "15bc202961884a89bc242bbf7a92d9e56e9c0998b8128866d617ae1c8e5b0279", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking prime_sieve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fs/fs.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let file = try!(File::open(file_name));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/fs/fs.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         file: file,
[INFO] [stdout]    |         ^^^^^^^^^^ help: replace it with: `file`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fs/fs.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(_) => try!(File::create(fname)),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fs/fs.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(file.write_all(&serialize_u64(p)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fs/fs.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let file = try!(File::open(file_name));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/fs/fs.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         file: file,
[INFO] [stdout]    |         ^^^^^^^^^^ help: replace it with: `file`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fs/fs.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(_) => try!(File::create(fname)),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fs/fs.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(file.write_all(&serialize_u64(p)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sieve/math/math.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if try!(is_coprime_to_list(p as u64, init_primes)) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sieve/math/math.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |         if try!(is_coprime_to_list(p, primes_page)) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/math/math.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 from: from,
[INFO] [stdout]    |                 ^^^^^^^^^^ help: replace it with: `from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/math/math.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 from: from,
[INFO] [stdout]    |                 ^^^^^^^^^^ help: replace it with: `from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sieve/math/math.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if try!(is_coprime_to_list(p as u64, init_primes)) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/math/math.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 delta: delta,
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: replace it with: `delta`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sieve/math/math.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |         if try!(is_coprime_to_list(p, primes_page)) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/math/math.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 from: from,
[INFO] [stdout]    |                 ^^^^^^^^^^ help: replace it with: `from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/math/math.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 from: from,
[INFO] [stdout]    |                 ^^^^^^^^^^ help: replace it with: `from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/math/math.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 delta: delta,
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: replace it with: `delta`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/pool.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             threads: threads,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `threads`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/pool.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             max_ppt: max_ppt,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `max_ppt`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sieve/pool.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let max = try!(math::best_max_for_sieve(last_prime, self.max_ppt as u64));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ThreadError`
[INFO] [stdout]  --> src/sieve/mod.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::pool::{ThreadPool, ThreadPoolError, ThreadError};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/pool.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             threads: threads,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `threads`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MsgFromWorker` and `MsgToWorker`
[INFO] [stdout]  --> src/sieve/mod.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::worker::{MsgFromWorker, MsgToWorker};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/sieve/pool.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             max_ppt: max_ppt,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `max_ppt`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/sieve/thread.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn send(&self, MsgToWorker) -> Result<(), SendError<MsgToWorker>>;
[INFO] [stdout]   |                    ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: MsgToWorker`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sieve/pool.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let max = try!(math::best_max_for_sieve(last_prime, self.max_ppt as u64));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ThreadError`
[INFO] [stdout]  --> src/sieve/mod.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::pool::{ThreadPool, ThreadPoolError, ThreadError};
[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: `MsgFromWorker` and `MsgToWorker`
[INFO] [stdout]  --> src/sieve/mod.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::worker::{MsgFromWorker, MsgToWorker};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/sieve/thread.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn send(&self, MsgToWorker) -> Result<(), SendError<MsgToWorker>>;
[INFO] [stdout]   |                    ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: MsgToWorker`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> src/config.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const FILE: &'static str = "primes.bin";
[INFO] [stdout]   |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut primes_pager = try!(fs::load_primes(fname));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> src/config.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const FILE: &'static str = "primes.bin";
[INFO] [stdout]   |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut primes_pager = try!(fs::load_primes(fname));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut candidates = try!(thread_pool.find_candidates(init_primes));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |             candidates = try!(thread_pool.sieve(page, candidates));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut candidates = try!(thread_pool.find_candidates(init_primes));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |             candidates = try!(thread_pool.sieve(page, candidates));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prime_page`
[INFO] [stdout]   --> src/sieve/pool.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |                  prime_page: Vec<u64>,
[INFO] [stdout]    |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_page`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `part`
[INFO] [stdout]    --> src/sieve/pool.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for (part, thread) in threadparts {}
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_part`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/sieve/pool.rs:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for (part, thread) in threadparts {}
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/fs/fs.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct PrimesPagination {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 10 |     pub file: File,
[INFO] [stdout] 11 |     pub position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stop` is never used
[INFO] [stdout]    --> src/sieve/pool.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl ThreadPool {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn stop(&self) -> Result<(), ThreadPoolError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sieve` and `Stop` are never constructed
[INFO] [stdout]   --> src/sieve/worker.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum MsgToWorker {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 10 |     FindCandidates(ArcVec, Partition),
[INFO] [stdout] 11 |     Sieve(ArcVec, ArcVec),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     Stop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/sieve/worker.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SieveResult(Vec<u64>),
[INFO] [stdout]    |     ----------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     SieveResult(Vec<u64>),
[INFO] [stdout] 17 +     SieveResult(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/sieve/worker.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Error(MathError),
[INFO] [stdout]    |     ----- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Error(MathError),
[INFO] [stdout] 18 +     Error(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ok` is never constructed
[INFO] [stdout]   --> src/sieve/worker.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum MsgFromWorker {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Ok,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]  --> src/fs/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod fs;
[INFO] [stdout]   | ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout]   = note: `#[warn(clippy::module_inception)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prime_page`
[INFO] [stdout]   --> src/sieve/pool.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |                  prime_page: Vec<u64>,
[INFO] [stdout]    |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_page`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `part`
[INFO] [stdout]    --> src/sieve/pool.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for (part, thread) in threadparts {}
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_part`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/sieve/pool.rs:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for (part, thread) in threadparts {}
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/fs/fs.rs:50:35
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut vec = deserialize_buf(&buf, read);
[INFO] [stdout]    |                                   ^^^^ help: change this to: `buf`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `arr`
[INFO] [stdout]  --> src/fs/serializer.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in 0..SIZE {
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]   = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]   |
[INFO] [stdout] 8 -     for i in 0..SIZE {
[INFO] [stdout] 8 +     for <item> in arr.iter_mut().take(SIZE) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/fs/serializer.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         num = num >> 8;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: replace it with: `num >>= 8`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/fs/serializer.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         num = num << 8;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: replace it with: `num <<= 8`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/fs/serializer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         num = num + (arr[i] as u64);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `num += (arr[i] as u64)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/fs/fs.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct PrimesPagination {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 10 |     pub file: File,
[INFO] [stdout] 11 |     pub position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stop` is never used
[INFO] [stdout]    --> src/sieve/pool.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl ThreadPool {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn stop(&self) -> Result<(), ThreadPoolError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sieve` and `Stop` are never constructed
[INFO] [stdout]   --> src/sieve/worker.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum MsgToWorker {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 10 |     FindCandidates(ArcVec, Partition),
[INFO] [stdout] 11 |     Sieve(ArcVec, ArcVec),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     Stop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/sieve/worker.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SieveResult(Vec<u64>),
[INFO] [stdout]    |     ----------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     SieveResult(Vec<u64>),
[INFO] [stdout] 17 +     SieveResult(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/sieve/worker.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Error(MathError),
[INFO] [stdout]    |     ----- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Error(MathError),
[INFO] [stdout] 18 +     Error(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ok` is never constructed
[INFO] [stdout]   --> src/sieve/worker.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum MsgFromWorker {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Ok,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]  --> src/fs/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod fs;
[INFO] [stdout]   | ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout]   = note: `#[warn(clippy::module_inception)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]  --> src/sieve/math/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod math;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing a legacy numeric constant
[INFO] [stdout]  --> src/sieve/math/math.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::u32::MAX as u32MAX;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import and use the associated constant `u32::MAX` from the primitive type instead
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/sieve/math/math.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     return Ok(true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     return Ok(true);
[INFO] [stdout] 27 +     Ok(true)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> src/sieve/math/math.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if n > (u32MAX as u64) {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if n > (u32::MAX as u64) {
[INFO] [stdout]    |                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/sieve/math/math.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     !(n % c == 0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: try: `(n % c != 0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/fs/fs.rs:50:35
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut vec = deserialize_buf(&buf, read);
[INFO] [stdout]    |                                   ^^^^ help: change this to: `buf`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/sieve/math/math.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 |     !(n % c == 0)
[INFO] [stdout]    |      ^^^^^^^^^^^^ help: replace with: `n.is_multiple_of(c)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]    = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `arr`
[INFO] [stdout]  --> src/fs/serializer.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in 0..SIZE {
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]   = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]   |
[INFO] [stdout] 8 -     for i in 0..SIZE {
[INFO] [stdout] 8 +     for <item> in arr.iter_mut().take(SIZE) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/fs/serializer.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         num = num >> 8;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: replace it with: `num >>= 8`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/fs/serializer.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         num = num << 8;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: replace it with: `num <<= 8`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/fs/serializer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         num = num + (arr[i] as u64);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `num += (arr[i] as u64)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]  --> src/sieve/math/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod math;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing a legacy numeric constant
[INFO] [stdout]  --> src/sieve/math/math.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::u32::MAX as u32MAX;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import and use the associated constant `u32::MAX` from the primitive type instead
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]    --> src/sieve/math/math.rs:104:26
[INFO] [stdout]     |
[INFO] [stdout] 104 |         const MAX: u64 = u32MAX as u64;
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]     |
[INFO] [stdout] 104 |         const MAX: u64 = u32::MAX as u64;
[INFO] [stdout]     |                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/sieve/math/math.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     return Ok(true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     return Ok(true);
[INFO] [stdout] 27 +     Ok(true)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> src/sieve/math/math.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if n > (u32MAX as u64) {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if n > (u32::MAX as u64) {
[INFO] [stdout]    |                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stdout]   --> src/sieve/math/partition.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn ne(&self, other: &Partition) -> bool {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stdout]    = note: `#[warn(clippy::partialeq_ne_impl)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/sieve/math/math.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     !(n % c == 0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: try: `(n % c != 0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/sieve/math/math.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 |     !(n % c == 0)
[INFO] [stdout]    |      ^^^^^^^^^^^^ help: replace with: `n.is_multiple_of(c)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]    = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/sieve/math/errors.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |             &MathError::Limit(ref msg) => write!(f, "MathError::Limit({})", msg),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrowed_reference)]` on by default
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 11 -             &MathError::Limit(ref msg) => write!(f, "MathError::Limit({})", msg),
[INFO] [stdout] 11 +             MathError::Limit(msg) => write!(f, "MathError::Limit({})", msg),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]    --> src/sieve/math/math.rs:104:26
[INFO] [stdout]     |
[INFO] [stdout] 104 |         const MAX: u64 = u32MAX as u64;
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]     |
[INFO] [stdout] 104 |         const MAX: u64 = u32::MAX as u64;
[INFO] [stdout]     |                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/sieve/pool.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if errors.len() > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!errors.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/sieve/pool.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |         if errors.len() > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!errors.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/sieve/pool.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 | /             match thread.recv() {
[INFO] [stdout] 115 | |                 Err(err) => errors.push(ThreadError::RecvError(err)),
[INFO] [stdout] 116 | |                 Ok(_) => {}
[INFO] [stdout] 117 | |             }
[INFO] [stdout]     | |_____________^ help: try: `if let Err(err) = thread.recv() { errors.push(ThreadError::RecvError(err)) }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/sieve/pool.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |         if errors.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `errors.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stdout]   --> src/sieve/math/partition.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn ne(&self, other: &Partition) -> bool {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stdout]    = note: `#[warn(clippy::partialeq_ne_impl)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/sieve/pool.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | /         match self {
[INFO] [stdout] 148 | |             &ThreadPoolError::Thread(ref errors) => {
[INFO] [stdout] 149 | |                 let _ = write!(f, "One or more errors occured in the thread pool \n\t");
[INFO] [stdout] 150 | |                 for err in errors {
[INFO] [stdout] ...   |
[INFO] [stdout] 172 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout]     = note: `#[warn(clippy::match_ref_pats)]` on by default
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 147 ~         match *self {
[INFO] [stdout] 148 ~             ThreadPoolError::Thread(ref errors) => {
[INFO] [stdout] 149 |                 let _ = write!(f, "One or more errors occured in the thread pool \n\t");
[INFO] [stdout] ...
[INFO] [stdout] 168 |
[INFO] [stdout] 169 ~             ThreadPoolError::Math(MathError::Limit(ref msg)) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/sieve/pool.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             &ThreadPoolError::Thread(ref errors) => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 148 -             &ThreadPoolError::Thread(ref errors) => {
[INFO] [stdout] 148 +             ThreadPoolError::Thread(errors) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/sieve/math/errors.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |             &MathError::Limit(ref msg) => write!(f, "MathError::Limit({})", msg),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrowed_reference)]` on by default
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 11 -             &MathError::Limit(ref msg) => write!(f, "MathError::Limit({})", msg),
[INFO] [stdout] 11 +             MathError::Limit(msg) => write!(f, "MathError::Limit({})", msg),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/sieve/pool.rs:151:29
[INFO] [stdout]     |
[INFO] [stdout] 151 |                       let _ = match err {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 152 | |                         &ThreadError::RecvError(err) => {
[INFO] [stdout] 153 | |                             write!(f, "Failed to read from a thread. Err: {}", err)
[INFO] [stdout] ...   |
[INFO] [stdout] 164 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 151 ~                     let _ = match *err {
[INFO] [stdout] 152 ~                         ThreadError::RecvError(err) => {
[INFO] [stdout] 153 |                             write!(f, "Failed to read from a thread. Err: {}", err)
[INFO] [stdout] 154 |                         }
[INFO] [stdout] 155 ~                         ThreadError::SendError(ref err) => {
[INFO] [stdout] 156 |                             write!(f, "Failed to send to a thread. Err: {}", err)
[INFO] [stdout] 157 |                         }
[INFO] [stdout] 158 ~                         ThreadError::UnexpectedResponse(ref req, ref resp) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/sieve/pool.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         &ThreadError::SendError(ref err) => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 155 -                         &ThreadError::SendError(ref err) => {
[INFO] [stdout] 155 +                         ThreadError::SendError(err) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/sieve/pool.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |                         &ThreadError::UnexpectedResponse(ref req, ref resp) => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 158 -                         &ThreadError::UnexpectedResponse(ref req, ref resp) => {
[INFO] [stdout] 158 +                         ThreadError::UnexpectedResponse(req, resp) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]   --> src/sieve/worker.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     loop {
[INFO] [stdout] 33 | |         let msg = match rec.recv() {
[INFO] [stdout] 34 | |             Ok(msg) => msg,
[INFO] [stdout] 35 | |             Err(_) => break,
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^ help: try: `while let Ok(msg) = rec.recv() { .. }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]    = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/sieve/pool.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if errors.len() > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!errors.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/sieve/worker.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | /         match self {
[INFO] [stdout] 73 | |             &MsgToWorker::FindCandidates(_, _) => write!(f, "FindCandidates(...)"),
[INFO] [stdout] 74 | |             &MsgToWorker::Sieve(_, _) => write!(f, "Sieve(...)"),
[INFO] [stdout] 75 | |             &MsgToWorker::Stop => write!(f, "Stop"),
[INFO] [stdout] 76 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 72 ~         match *self {
[INFO] [stdout] 73 ~             MsgToWorker::FindCandidates(_, _) => write!(f, "FindCandidates(...)"),
[INFO] [stdout] 74 ~             MsgToWorker::Sieve(_, _) => write!(f, "Sieve(...)"),
[INFO] [stdout] 75 ~             MsgToWorker::Stop => write!(f, "Stop"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/sieve/worker.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | /         match self {
[INFO] [stdout] 83 | |             &MsgFromWorker::CandidatesResult(_) => write!(f, "CandidatesResult(...)"),
[INFO] [stdout] 84 | |             &MsgFromWorker::SieveResult(_) => write!(f, "SieveResult(...)"),
[INFO] [stdout] 85 | |             &MsgFromWorker::Error(_) => write!(f, "Error(...)"),
[INFO] [stdout] 86 | |             &MsgFromWorker::Ok => write!(f, "Ok"),
[INFO] [stdout] 87 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 82 ~         match *self {
[INFO] [stdout] 83 ~             MsgFromWorker::CandidatesResult(_) => write!(f, "CandidatesResult(...)"),
[INFO] [stdout] 84 ~             MsgFromWorker::SieveResult(_) => write!(f, "SieveResult(...)"),
[INFO] [stdout] 85 ~             MsgFromWorker::Error(_) => write!(f, "Error(...)"),
[INFO] [stdout] 86 ~             MsgFromWorker::Ok => write!(f, "Ok"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/sieve/pool.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |         if errors.len() > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!errors.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/sieve/pool.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 | /             match thread.recv() {
[INFO] [stdout] 115 | |                 Err(err) => errors.push(ThreadError::RecvError(err)),
[INFO] [stdout] 116 | |                 Ok(_) => {}
[INFO] [stdout] 117 | |             }
[INFO] [stdout]     | |_____________^ help: try: `if let Err(err) = thread.recv() { errors.push(ThreadError::RecvError(err)) }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/sieve/pool.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |         if errors.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `errors.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]   --> src/main.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     if let Some(init_primes) = (&mut primes_pager).next() {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: change this to: `primes_pager`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/sieve/pool.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | /         match self {
[INFO] [stdout] 148 | |             &ThreadPoolError::Thread(ref errors) => {
[INFO] [stdout] 149 | |                 let _ = write!(f, "One or more errors occured in the thread pool \n\t");
[INFO] [stdout] 150 | |                 for err in errors {
[INFO] [stdout] ...   |
[INFO] [stdout] 172 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout]     = note: `#[warn(clippy::match_ref_pats)]` on by default
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 147 ~         match *self {
[INFO] [stdout] 148 ~             ThreadPoolError::Thread(ref errors) => {
[INFO] [stdout] 149 |                 let _ = write!(f, "One or more errors occured in the thread pool \n\t");
[INFO] [stdout] ...
[INFO] [stdout] 168 |
[INFO] [stdout] 169 ~             ThreadPoolError::Math(MathError::Limit(ref msg)) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/sieve/pool.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             &ThreadPoolError::Thread(ref errors) => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 148 -             &ThreadPoolError::Thread(ref errors) => {
[INFO] [stdout] 148 +             ThreadPoolError::Thread(errors) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]    --> src/sieve/pool.rs:151:29
[INFO] [stdout]     |
[INFO] [stdout] 151 |                       let _ = match err {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 152 | |                         &ThreadError::RecvError(err) => {
[INFO] [stdout] 153 | |                             write!(f, "Failed to read from a thread. Err: {}", err)
[INFO] [stdout] ...   |
[INFO] [stdout] 164 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]     |
[INFO] [stdout] 151 ~                     let _ = match *err {
[INFO] [stdout] 152 ~                         ThreadError::RecvError(err) => {
[INFO] [stdout] 153 |                             write!(f, "Failed to read from a thread. Err: {}", err)
[INFO] [stdout] 154 |                         }
[INFO] [stdout] 155 ~                         ThreadError::SendError(ref err) => {
[INFO] [stdout] 156 |                             write!(f, "Failed to send to a thread. Err: {}", err)
[INFO] [stdout] 157 |                         }
[INFO] [stdout] 158 ~                         ThreadError::UnexpectedResponse(ref req, ref resp) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/sieve/pool.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         &ThreadError::SendError(ref err) => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 155 -                         &ThreadError::SendError(ref err) => {
[INFO] [stdout] 155 +                         ThreadError::SendError(err) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/sieve/pool.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |                         &ThreadError::UnexpectedResponse(ref req, ref resp) => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 158 -                         &ThreadError::UnexpectedResponse(ref req, ref resp) => {
[INFO] [stdout] 158 +                         ThreadError::UnexpectedResponse(req, resp) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | /         match self {
[INFO] [stdout] 83 | |             &SieveError::PrimesFileEmpty => {
[INFO] [stdout] 84 | |                 write!(f,
[INFO] [stdout] 85 | |                        "The primes file was loaded but didn't contain any numbers.")
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |             &SieveError::Thread(ref error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout] 89 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 82 ~         match *self {
[INFO] [stdout] 83 ~             SieveError::PrimesFileEmpty => {
[INFO] [stdout] 84 |                 write!(f,
[INFO] [stdout] 85 |                        "The primes file was loaded but didn't contain any numbers.")
[INFO] [stdout] 86 |             }
[INFO] [stdout] 87 ~             SieveError::IO(ref err) => write!(f, "IO Error: \n\t{}", err),
[INFO] [stdout] 88 ~             SieveError::Thread(ref error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/main.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             &SieveError::IO(ref err) => write!(f, "IO Error: \n\t{}", err),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 87 -             &SieveError::IO(ref err) => write!(f, "IO Error: \n\t{}", err),
[INFO] [stdout] 87 +             SieveError::IO(err) => write!(f, "IO Error: \n\t{}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/main.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             &SieveError::Thread(ref error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 88 -             &SieveError::Thread(ref error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout] 88 +             SieveError::Thread(error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]   --> src/sieve/worker.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     loop {
[INFO] [stdout] 33 | |         let msg = match rec.recv() {
[INFO] [stdout] 34 | |             Ok(msg) => msg,
[INFO] [stdout] 35 | |             Err(_) => break,
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^ help: try: `while let Ok(msg) = rec.recv() { .. }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]    = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/sieve/worker.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | /         match self {
[INFO] [stdout] 73 | |             &MsgToWorker::FindCandidates(_, _) => write!(f, "FindCandidates(...)"),
[INFO] [stdout] 74 | |             &MsgToWorker::Sieve(_, _) => write!(f, "Sieve(...)"),
[INFO] [stdout] 75 | |             &MsgToWorker::Stop => write!(f, "Stop"),
[INFO] [stdout] 76 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 72 ~         match *self {
[INFO] [stdout] 73 ~             MsgToWorker::FindCandidates(_, _) => write!(f, "FindCandidates(...)"),
[INFO] [stdout] 74 ~             MsgToWorker::Sieve(_, _) => write!(f, "Sieve(...)"),
[INFO] [stdout] 75 ~             MsgToWorker::Stop => write!(f, "Stop"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/sieve/worker.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | /         match self {
[INFO] [stdout] 83 | |             &MsgFromWorker::CandidatesResult(_) => write!(f, "CandidatesResult(...)"),
[INFO] [stdout] 84 | |             &MsgFromWorker::SieveResult(_) => write!(f, "SieveResult(...)"),
[INFO] [stdout] 85 | |             &MsgFromWorker::Error(_) => write!(f, "Error(...)"),
[INFO] [stdout] 86 | |             &MsgFromWorker::Ok => write!(f, "Ok"),
[INFO] [stdout] 87 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 82 ~         match *self {
[INFO] [stdout] 83 ~             MsgFromWorker::CandidatesResult(_) => write!(f, "CandidatesResult(...)"),
[INFO] [stdout] 84 ~             MsgFromWorker::SieveResult(_) => write!(f, "SieveResult(...)"),
[INFO] [stdout] 85 ~             MsgFromWorker::Error(_) => write!(f, "Error(...)"),
[INFO] [stdout] 86 ~             MsgFromWorker::Ok => write!(f, "Ok"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]   --> src/main.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     if let Some(init_primes) = (&mut primes_pager).next() {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: change this to: `primes_pager`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | /         match self {
[INFO] [stdout] 83 | |             &SieveError::PrimesFileEmpty => {
[INFO] [stdout] 84 | |                 write!(f,
[INFO] [stdout] 85 | |                        "The primes file was loaded but didn't contain any numbers.")
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |             &SieveError::Thread(ref error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout] 89 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 82 ~         match *self {
[INFO] [stdout] 83 ~             SieveError::PrimesFileEmpty => {
[INFO] [stdout] 84 |                 write!(f,
[INFO] [stdout] 85 |                        "The primes file was loaded but didn't contain any numbers.")
[INFO] [stdout] 86 |             }
[INFO] [stdout] 87 ~             SieveError::IO(ref err) => write!(f, "IO Error: \n\t{}", err),
[INFO] [stdout] 88 ~             SieveError::Thread(ref error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/main.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             &SieveError::IO(ref err) => write!(f, "IO Error: \n\t{}", err),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 87 -             &SieveError::IO(ref err) => write!(f, "IO Error: \n\t{}", err),
[INFO] [stdout] 87 +             SieveError::IO(err) => write!(f, "IO Error: \n\t{}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/main.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             &SieveError::Thread(ref error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 88 -             &SieveError::Thread(ref error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout] 88 +             SieveError::Thread(error) => write!(f, "Error in thread pool\n\t{}", error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "15bc202961884a89bc242bbf7a92d9e56e9c0998b8128866d617ae1c8e5b0279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bc202961884a89bc242bbf7a92d9e56e9c0998b8128866d617ae1c8e5b0279", kill_on_drop: false }`
[INFO] [stdout] 15bc202961884a89bc242bbf7a92d9e56e9c0998b8128866d617ae1c8e5b0279