[INFO] fetching crate number-theory 0.0.24...
[INFO] checking number-theory-0.0.24 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate number-theory 0.0.24 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate number-theory 0.0.24 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c48ff8e9f8f03465fe145f256ca15ff3095e7b0194fe11bdee20505202a9f888
[INFO] running `Command { std: "docker" "start" "-a" "c48ff8e9f8f03465fe145f256ca15ff3095e7b0194fe11bdee20505202a9f888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c48ff8e9f8f03465fe145f256ca15ff3095e7b0194fe11bdee20505202a9f888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48ff8e9f8f03465fe145f256ca15ff3095e7b0194fe11bdee20505202a9f888", kill_on_drop: false }`
[INFO] [stdout] c48ff8e9f8f03465fe145f256ca15ff3095e7b0194fe11bdee20505202a9f888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7344d5958dc070b66c70b170ec8a3065365381950e9215ffa722e9c236becafe
[INFO] running `Command { std: "docker" "start" "-a" "7344d5958dc070b66c70b170ec8a3065365381950e9215ffa722e9c236becafe", 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: 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] 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" "7344d5958dc070b66c70b170ec8a3065365381950e9215ffa722e9c236becafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7344d5958dc070b66c70b170ec8a3065365381950e9215ffa722e9c236becafe", kill_on_drop: false }`
[INFO] [stdout] 7344d5958dc070b66c70b170ec8a3065365381950e9215ffa722e9c236becafe
[INFO] checking number-theory-0.0.24 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate number-theory 0.0.24 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate number-theory 0.0.24 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a06d22d6987739dececabfff0820e8ec88ff7972c929e301883eed7429e61f0
[INFO] running `Command { std: "docker" "start" "-a" "3a06d22d6987739dececabfff0820e8ec88ff7972c929e301883eed7429e61f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a06d22d6987739dececabfff0820e8ec88ff7972c929e301883eed7429e61f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a06d22d6987739dececabfff0820e8ec88ff7972c929e301883eed7429e61f0", kill_on_drop: false }`
[INFO] [stdout] 3a06d22d6987739dececabfff0820e8ec88ff7972c929e301883eed7429e61f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62079f2416f0adfec65e374e925a509b8dd67fcf6c6dd7a8e772235e5f4dd1ee
[INFO] running `Command { std: "docker" "start" "-a" "62079f2416f0adfec65e374e925a509b8dd67fcf6c6dd7a8e772235e5f4dd1ee", 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: 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] 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" "62079f2416f0adfec65e374e925a509b8dd67fcf6c6dd7a8e772235e5f4dd1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62079f2416f0adfec65e374e925a509b8dd67fcf6c6dd7a8e772235e5f4dd1ee", kill_on_drop: false }`
[INFO] [stdout] 62079f2416f0adfec65e374e925a509b8dd67fcf6c6dd7a8e772235e5f4dd1ee
