[INFO] fetching crate num-primes 0.3.0...
[INFO] testing num-primes-0.3.0 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate num-primes 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate num-primes 0.3.0
[INFO] finished tweaking crates.io crate num-primes 0.3.0
[INFO] tweaked toml for crates.io crate num-primes 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate num-primes 0.3.0 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate num-primes 0.3.0 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73c4925d2b8f868b28701fe0a5a91236fb2822fcee799ad302adccda1bf6726d
[INFO] running `Command { std: "docker" "start" "-a" "73c4925d2b8f868b28701fe0a5a91236fb2822fcee799ad302adccda1bf6726d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c4925d2b8f868b28701fe0a5a91236fb2822fcee799ad302adccda1bf6726d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c4925d2b8f868b28701fe0a5a91236fb2822fcee799ad302adccda1bf6726d", kill_on_drop: false }`
[INFO] [stdout] 73c4925d2b8f868b28701fe0a5a91236fb2822fcee799ad302adccda1bf6726d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b3286b0b54eb2ef6aa9ffa6be9526ed892250fd893ce5517a5d646add573b3c
[INFO] running `Command { std: "docker" "start" "-a" "3b3286b0b54eb2ef6aa9ffa6be9526ed892250fd893ce5517a5d646add573b3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling num-primes v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use log::debug;
[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 import: `log::error`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use log::error;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use log::info;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 448 |         return false
[INFO] [stdout]     |         ------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 453 |     return true
[INFO] [stdout]     |     ^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/lib.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |             i = i + 2usize;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `one_usize`
[INFO] [stdout]    --> src/lib.rs:370:17
[INFO] [stdout]     |
[INFO] [stdout] 370 |             let one_usize = one.to_usize().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:512:16
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |     let mut y = &zero;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:512:16
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/lib.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |     let x = &two;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |     let mut y = &zero;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]    --> src/lib.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_safe_prime_add` is never used
[INFO] [stdout]    --> src/lib.rs:458:4
[INFO] [stdout]     |
[INFO] [stdout] 458 | fn is_safe_prime_add(number: &BigUint) -> bool {    
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pollard_rho` is never used
[INFO] [stdout]    --> src/lib.rs:512:4
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "3b3286b0b54eb2ef6aa9ffa6be9526ed892250fd893ce5517a5d646add573b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3286b0b54eb2ef6aa9ffa6be9526ed892250fd893ce5517a5d646add573b3c", kill_on_drop: false }`
[INFO] [stdout] 3b3286b0b54eb2ef6aa9ffa6be9526ed892250fd893ce5517a5d646add573b3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2c2a1c57e72f35e39c5b1edb581397e6cb4aa8afd679760e4eef07f0722e8a
[INFO] running `Command { std: "docker" "start" "-a" "8c2c2a1c57e72f35e39c5b1edb581397e6cb4aa8afd679760e4eef07f0722e8a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use log::debug;
[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 import: `log::error`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use log::error;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use log::info;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 448 |         return false
[INFO] [stdout]     |         ------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 453 |     return true
[INFO] [stdout]     |     ^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/lib.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |             i = i + 2usize;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `one_usize`
[INFO] [stdout]    --> src/lib.rs:370:17
[INFO] [stdout]     |
[INFO] [stdout] 370 |             let one_usize = one.to_usize().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:512:16
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |     let mut y = &zero;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:512:16
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/lib.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |     let x = &two;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |     let mut y = &zero;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]    --> src/lib.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_safe_prime_add` is never used
[INFO] [stdout]    --> src/lib.rs:458:4
[INFO] [stdout]     |
[INFO] [stdout] 458 | fn is_safe_prime_add(number: &BigUint) -> bool {    
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pollard_rho` is never used
[INFO] [stdout]    --> src/lib.rs:512:4
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-primes v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use log::debug;
[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 import: `log::error`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use log::error;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use log::info;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 448 |         return false
[INFO] [stdout]     |         ------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 453 |     return true
[INFO] [stdout]     |     ^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/lib.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |             i = i + 2usize;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `one_usize`
[INFO] [stdout]    --> src/lib.rs:370:17
[INFO] [stdout]     |
[INFO] [stdout] 370 |             let one_usize = one.to_usize().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:512:16
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |     let mut y = &zero;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:512:16
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/lib.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |     let x = &two;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:523:9
[INFO] [stdout]     |
[INFO] [stdout] 523 |     let mut y = &zero;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]    --> src/lib.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_safe_prime_add` is never used
[INFO] [stdout]    --> src/lib.rs:458:4
[INFO] [stdout]     |
[INFO] [stdout] 458 | fn is_safe_prime_add(number: &BigUint) -> bool {    
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pollard_rho` is never used
[INFO] [stdout]    --> src/lib.rs:512:4
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_bigint::BigUint`
[INFO] [stdout]  --> tests/issue1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_bigint::BigUint;
[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 import: `num::*`
[INFO] [stdout]  --> tests/issue1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigInt`, `ToBigInt`, and `ToBigUint`
[INFO] [stdout]  --> tests/issue2.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_bigint::{BigInt, BigUint, ToBigInt, ToBigUint};
[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 variable: `x`
[INFO] [stdout]   --> tests/issue2.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn gets_biguint(x: &BigUint) {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_bigint::BigUint`
[INFO] [stdout]  --> tests/issue1_part2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_bigint::BigUint;
[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 import: `num::*`
[INFO] [stdout]  --> tests/issue1_part2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "8c2c2a1c57e72f35e39c5b1edb581397e6cb4aa8afd679760e4eef07f0722e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2c2a1c57e72f35e39c5b1edb581397e6cb4aa8afd679760e4eef07f0722e8a", kill_on_drop: false }`
[INFO] [stdout] 8c2c2a1c57e72f35e39c5b1edb581397e6cb4aa8afd679760e4eef07f0722e8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4720cc8e2ed8cba6e30630ea15b361d0f3dc53450b870a27d946545cba0292f0
[INFO] running `Command { std: "docker" "start" "-a" "4720cc8e2ed8cba6e30630ea15b361d0f3dc53450b870a27d946545cba0292f0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `log::debug`
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use log::debug;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::error`
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use log::error;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::info`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use log::info;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/lib.rs:453:5
[INFO] [stderr]     |
[INFO] [stderr] 448 |         return false
[INFO] [stderr]     |         ------------ any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 453 |     return true
[INFO] [stderr]     |     ^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]    --> src/lib.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |             i = i + 2usize;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `one_usize`
[INFO] [stderr]    --> src/lib.rs:370:17
[INFO] [stderr]     |
[INFO] [stderr] 370 |             let one_usize = one.to_usize().unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_usize`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:512:16
[INFO] [stderr]     |
[INFO] [stderr] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stderr]     |                ----^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:514:9
[INFO] [stderr]     |
[INFO] [stderr] 514 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:523:9
[INFO] [stderr]     |
[INFO] [stderr] 523 |     let mut y = &zero;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:525:9
[INFO] [stderr]     |
[INFO] [stderr] 525 |     let mut i: usize = 0usize;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:526:9
[INFO] [stderr]     |
[INFO] [stderr] 526 |     let mut counter: usize = 10usize;
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:512:16
[INFO] [stderr]     |
[INFO] [stderr] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/lib.rs:514:9
[INFO] [stderr]     |
[INFO] [stderr] 514 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:522:9
[INFO] [stderr]     |
[INFO] [stderr] 522 |     let x = &two;
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:523:9
[INFO] [stderr]     |
[INFO] [stderr] 523 |     let mut y = &zero;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:525:9
[INFO] [stderr]     |
[INFO] [stderr] 525 |     let mut i: usize = 0usize;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `counter`
[INFO] [stderr]    --> src/lib.rs:526:9
[INFO] [stderr]     |
[INFO] [stderr] 526 |     let mut counter: usize = 10usize;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_safe_prime_add` is never used
[INFO] [stderr]    --> src/lib.rs:458:4
[INFO] [stderr]     |
[INFO] [stderr] 458 | fn is_safe_prime_add(number: &BigUint) -> bool {    
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `pollard_rho` is never used
[INFO] [stderr]    --> src/lib.rs:512:4
[INFO] [stderr]     |
[INFO] [stderr] 512 | fn pollard_rho(mut n: BigUint) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `num-primes` (lib) generated 19 warnings (run `cargo fix --lib -p num-primes` to apply 15 suggestions)
[INFO] [stderr] warning: unused import: `num_bigint::BigUint`
[INFO] [stderr]  --> tests/issue1.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num_bigint::BigUint;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::*`
[INFO] [stderr]  --> tests/issue1.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_bigint::BigUint`
[INFO] [stderr]  --> tests/issue1_part2.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num_bigint::BigUint;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::*`
[INFO] [stderr]  --> tests/issue1_part2.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `num-primes` (test "issue1") generated 2 warnings (run `cargo fix --test "issue1" -p num-primes` to apply 2 suggestions)
[INFO] [stderr] warning: `num-primes` (test "issue1_part2") generated 2 warnings (run `cargo fix --test "issue1_part2" -p num-primes` to apply 2 suggestions)
[INFO] [stderr] warning: unused imports: `BigInt`, `ToBigInt`, and `ToBigUint`
[INFO] [stderr]  --> tests/issue2.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num_bigint::{BigInt, BigUint, ToBigInt, ToBigUint};
[INFO] [stderr]   |                  ^^^^^^           ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> tests/issue2.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn gets_biguint(x: &BigUint) {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `num-primes` (test "issue2") generated 2 warnings (run `cargo fix --test "issue2" -p num-primes` to apply 2 suggestions)
[INFO] [stderr] warning: `num-primes` (lib test) generated 19 warnings (19 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/num_primes-20e2bf7dc530a7ef)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test prime_factor ... ok
[INFO] [stdout] test generate_safe_prime ... ok
[INFO] [stderr]      Running tests/factorization.rs (/opt/rustwide/target/debug/deps/factorization-8c5e73f0279d9c7e)
[INFO] [stdout] test generate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test factor_uint ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-8801631fa04eb629)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/issue1.rs (/opt/rustwide/target/debug/deps/issue1-d357eb2830d1b235)
[INFO] [stdout] test generate_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test bug1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/issue1_part2.rs (/opt/rustwide/target/debug/deps/issue1_part2-316cb7b95e4a9551)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test bug1 ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/issue2.rs (/opt/rustwide/target/debug/deps/issue2-475ffb4b016a958c)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test calling_gets_biguint_with_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/primality.rs (/opt/rustwide/target/debug/deps/primality-09a7e3088db1079f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test primality_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/very_smooth_number.rs (/opt/rustwide/target/debug/deps/very_smooth_number-f868c5453076d3c9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests num_primes
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - Generator::new_uint (line 113) ... ok
[INFO] [stdout] test src/lib.rs - Generator::new_composite (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Factorization::prime_factor (line 238) ... ok
[INFO] [stdout] test src/lib.rs - Verification::is_very_smooth_number (line 212) ... FAILED
[INFO] [stdout] test src/lib.rs - Generator::safe_prime (line 165) ... ok
[INFO] [stdout] test src/lib.rs - Generator::new_prime (line 132) ... ok
[INFO] [stdout] test src/lib.rs - Generator (line 32) ... ok
[INFO] [stdout] test src/lib.rs - Verification (line 50) ... ok
[INFO] [stdout] test src/lib.rs - Factorization (line 67) has been running for over 60 seconds
[INFO] [stdout] test src/lib.rs - Factorization (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Verification::is_very_smooth_number (line 212) stdout ----
[INFO] [stdout] error[E0599]: no function or associated item named `is_smooth_number` found for struct `Verification` in the current scope
[INFO] [stdout]    --> src/lib.rs:223:38
[INFO] [stdout]     |
[INFO] [stdout] 223 |     let result: bool = Verification::is_smooth_number(&x,31.0,5);
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ function or associated item not found in `Verification`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `is_very_smooth_number` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 223 |     let result: bool = Verification::is_very_smooth_number(&x,31.0,5);
[INFO] [stdout]     |                                         +++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Verification::is_very_smooth_number (line 212)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 117.85s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4720cc8e2ed8cba6e30630ea15b361d0f3dc53450b870a27d946545cba0292f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4720cc8e2ed8cba6e30630ea15b361d0f3dc53450b870a27d946545cba0292f0", kill_on_drop: false }`
[INFO] [stdout] 4720cc8e2ed8cba6e30630ea15b361d0f3dc53450b870a27d946545cba0292f0
