[INFO] fetching crate number-theory 0.0.24...
[INFO] checking number-theory-0.0.24 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate number-theory 0.0.24 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate number-theory 0.0.24 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate number-theory 0.0.24
[INFO] finished tweaking crates.io crate number-theory 0.0.24
[INFO] tweaked toml for crates.io crate number-theory 0.0.24 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded machine-prime v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3583990ce7f9834bad07b8ca26bf0823e85382cabf27c64b4e2baa800af2b00
[INFO] running `Command { std: "docker" "start" "-a" "f3583990ce7f9834bad07b8ca26bf0823e85382cabf27c64b4e2baa800af2b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3583990ce7f9834bad07b8ca26bf0823e85382cabf27c64b4e2baa800af2b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3583990ce7f9834bad07b8ca26bf0823e85382cabf27c64b4e2baa800af2b00", kill_on_drop: false }`
[INFO] [stdout] f3583990ce7f9834bad07b8ca26bf0823e85382cabf27c64b4e2baa800af2b00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d8ed14d60865587b7e0a2bdef22529328f454b51f94c3c4f97c61c1d993dd0
[INFO] running `Command { std: "docker" "start" "-a" "48d8ed14d60865587b7e0a2bdef22529328f454b51f94c3c4f97c61c1d993dd0", kill_on_drop: false }`
[INFO] [stderr]     Checking machine-prime v1.2.2
[INFO] [stderr]     Checking number-theory v0.0.24 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/primality.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for i in  0..1_000_000{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/primality.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |             for i in  0..10_000{
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> benches/titanic_prime.rs:146:2
[INFO] [stdout]     |
[INFO] [stdout] 146 |  count=0;
[INFO] [stdout]     |  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ONE_K_WORD` is never used
[INFO] [stdout]    --> benches/titanic_prime.rs:102:7
[INFO] [stdout]     |
[INFO] [stdout] 102 | const ONE_K_WORD : [u64;6] = [
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/rand.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |  let mut k = 0u16;
[INFO] [stdout]    |              ---- expected due to this value
[INFO] [stdout] 43 |   for _ in 0..1_000_000{
[INFO] [stdout] 44 |     k = u16::prime_gen(16);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ expected `u16`, found `NTResult<u16>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u16`
[INFO] [stdout]               found enum `NTResult<u16>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/rand.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |    let mut k = 0u32;
[INFO] [stdout]    |                ---- expected due to this value
[INFO] [stdout] 51 |   for _ in 0..1_000_000{
[INFO] [stdout] 52 |     k = u32::prime_gen(32);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ expected `u32`, found `NTResult<u32>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u32`
[INFO] [stdout]               found enum `NTResult<u32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/rand.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |    let mut k = 0u64;
[INFO] [stdout]    |                ---- expected due to this value
[INFO] [stdout] 59 |   for _ in 0..1_000_000{
[INFO] [stdout] 60 |     k = u64::prime_gen(64);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ expected `u64`, found `NTResult<u64>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u64`
[INFO] [stdout]               found enum `NTResult<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/rand.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |    let mut k = 0u128;
[INFO] [stdout]    |                ----- expected due to this value
[INFO] [stdout] 67 |   for _ in 0..1_000_000{
[INFO] [stdout] 68 |     k = u128::prime_gen(128);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ expected `u128`, found `NTResult<u128>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u128`
[INFO] [stdout]               found enum `NTResult<u128>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `k` is assigned to, but never used
[INFO] [stdout]   --> benches/rand.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |  let mut k = 0u32;
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_k` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `k` is never read
[INFO] [stdout]   --> benches/rand.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     k = u32::rng();
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `k` is assigned to, but never used
[INFO] [stdout]   --> benches/rand.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |  let mut k = 0u64;
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_k` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `k` is never read
[INFO] [stdout]   --> benches/rand.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     k = u64::rng();
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `k` is assigned to, but never used
[INFO] [stdout]   --> benches/rand.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |  let mut k = 0u128;
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_k` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `k` is never read
[INFO] [stdout]   --> benches/rand.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     k = u128::rng();
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `number-theory` (bench "rand") due to 5 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "48d8ed14d60865587b7e0a2bdef22529328f454b51f94c3c4f97c61c1d993dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d8ed14d60865587b7e0a2bdef22529328f454b51f94c3c4f97c61c1d993dd0", kill_on_drop: false }`
[INFO] [stdout] 48d8ed14d60865587b7e0a2bdef22529328f454b51f94c3c4f97c61c1d993dd0
[INFO] checking number-theory-0.0.24 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate number-theory 0.0.24 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate number-theory 0.0.24 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate number-theory 0.0.24
[INFO] finished tweaking crates.io crate number-theory 0.0.24
[INFO] tweaked toml for crates.io crate number-theory 0.0.24 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c44a8b3e8dece04b62f3da8cde0bec289a34e90aca8e6f48695efca5c2c638b
[INFO] running `Command { std: "docker" "start" "-a" "7c44a8b3e8dece04b62f3da8cde0bec289a34e90aca8e6f48695efca5c2c638b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c44a8b3e8dece04b62f3da8cde0bec289a34e90aca8e6f48695efca5c2c638b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c44a8b3e8dece04b62f3da8cde0bec289a34e90aca8e6f48695efca5c2c638b", kill_on_drop: false }`
[INFO] [stdout] 7c44a8b3e8dece04b62f3da8cde0bec289a34e90aca8e6f48695efca5c2c638b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b90a72ddc9fbddbe7273b6fd7e5ec8458d84d0998abe9af18a7bda3619d33575
[INFO] running `Command { std: "docker" "start" "-a" "b90a72ddc9fbddbe7273b6fd7e5ec8458d84d0998abe9af18a7bda3619d33575", kill_on_drop: false }`
[INFO] [stderr]     Checking machine-prime v1.2.2
[INFO] [stderr]     Checking number-theory v0.0.24 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> benches/titanic_prime.rs:146:2
[INFO] [stdout]     |
[INFO] [stdout] 146 |  count=0;
[INFO] [stdout]     |  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ONE_K_WORD` is never used
[INFO] [stdout]    --> benches/titanic_prime.rs:102:7
[INFO] [stdout]     |
[INFO] [stdout] 102 | const ONE_K_WORD : [u64;6] = [
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/rand.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |  let mut k = 0u16;
[INFO] [stdout]    |              ---- expected due to this value
[INFO] [stdout] 43 |   for _ in 0..1_000_000{
[INFO] [stdout] 44 |     k = u16::prime_gen(16);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ expected `u16`, found `NTResult<u16>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u16`
[INFO] [stdout]               found enum `NTResult<u16>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/primality.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for i in  0..1_000_000{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/primality.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |             for i in  0..10_000{
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/rand.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |    let mut k = 0u32;
[INFO] [stdout]    |                ---- expected due to this value
[INFO] [stdout] 51 |   for _ in 0..1_000_000{
[INFO] [stdout] 52 |     k = u32::prime_gen(32);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ expected `u32`, found `NTResult<u32>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u32`
[INFO] [stdout]               found enum `NTResult<u32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/rand.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |    let mut k = 0u64;
[INFO] [stdout]    |                ---- expected due to this value
[INFO] [stdout] 59 |   for _ in 0..1_000_000{
[INFO] [stdout] 60 |     k = u64::prime_gen(64);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ expected `u64`, found `NTResult<u64>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u64`
[INFO] [stdout]               found enum `NTResult<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/rand.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |    let mut k = 0u128;
[INFO] [stdout]    |                ----- expected due to this value
[INFO] [stdout] 67 |   for _ in 0..1_000_000{
[INFO] [stdout] 68 |     k = u128::prime_gen(128);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ expected `u128`, found `NTResult<u128>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `u128`
[INFO] [stdout]               found enum `NTResult<u128>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `k` is assigned to, but never used
[INFO] [stdout]   --> benches/rand.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |  let mut k = 0u32;
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_k` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `k` is never read
[INFO] [stdout]   --> benches/rand.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     k = u32::rng();
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `k` is assigned to, but never used
[INFO] [stdout]   --> benches/rand.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |  let mut k = 0u64;
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_k` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `k` is never read
[INFO] [stdout]   --> benches/rand.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     k = u64::rng();
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `k` is assigned to, but never used
[INFO] [stdout]   --> benches/rand.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |  let mut k = 0u128;
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_k` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `k` is never read
[INFO] [stdout]   --> benches/rand.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     k = u128::rng();
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `number-theory` (bench "rand") due to 5 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b90a72ddc9fbddbe7273b6fd7e5ec8458d84d0998abe9af18a7bda3619d33575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90a72ddc9fbddbe7273b6fd7e5ec8458d84d0998abe9af18a7bda3619d33575", kill_on_drop: false }`
[INFO] [stdout] b90a72ddc9fbddbe7273b6fd7e5ec8458d84d0998abe9af18a7bda3619d33575
