[INFO] updating cached repository https://github.com/Ryneqq/primes
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23718b7f0c6437f10d1f36c9ce58aa361ab9dcc7
[INFO] testing Ryneqq/primes against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyneqq%2Fprimes" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryneqq/primes on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Ryneqq/primes
[INFO] finished tweaking git repo https://github.com/Ryneqq/primes
[INFO] tweaked toml for git repo https://github.com/Ryneqq/primes written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryneqq/primes already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] bff6c73ee31c1332b1d2011cf042e28ae7183caef6d0c61d31b0c54cb18c9d8d
[INFO] running `"docker" "start" "-a" "bff6c73ee31c1332b1d2011cf042e28ae7183caef6d0c61d31b0c54cb18c9d8d"`
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `i` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let (mut quantity, mut i) = (0,0);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let mut primes = first_n_primes(primes_quantity);
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_generating_primes`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn test_generating_primes() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_percentage_of_primes`
[INFO] [stderr]   --> src/main.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn check_percentage_of_primes(prime: Vec<u64>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_n_numbers`
[INFO] [stderr]   --> src/main.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn first_n_numbers(quantity: u64) -> Vec<u64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_max_prime`
[INFO] [stderr]   --> src/main.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn get_max_prime(n: u64) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `crack_classic`
[INFO] [stderr]    --> src/main.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn crack_classic(key: u64) -> (u64, u64) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "bff6c73ee31c1332b1d2011cf042e28ae7183caef6d0c61d31b0c54cb18c9d8d"`
[INFO] running `"docker" "rm" "-f" "bff6c73ee31c1332b1d2011cf042e28ae7183caef6d0c61d31b0c54cb18c9d8d"`
[INFO] [stdout] bff6c73ee31c1332b1d2011cf042e28ae7183caef6d0c61d31b0c54cb18c9d8d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 64a7ec7dc8f5a7ef19f1a79f3b7e6d1f731f578aec36ca40d589f9832eb01874
[INFO] running `"docker" "start" "-a" "64a7ec7dc8f5a7ef19f1a79f3b7e6d1f731f578aec36ca40d589f9832eb01874"`
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `i` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let (mut quantity, mut i) = (0,0);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let mut primes = first_n_primes(primes_quantity);
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_generating_primes`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn test_generating_primes() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_percentage_of_primes`
[INFO] [stderr]   --> src/main.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn check_percentage_of_primes(prime: Vec<u64>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_n_numbers`
[INFO] [stderr]   --> src/main.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn first_n_numbers(quantity: u64) -> Vec<u64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_max_prime`
[INFO] [stderr]   --> src/main.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn get_max_prime(n: u64) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `crack_classic`
[INFO] [stderr]    --> src/main.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn crack_classic(key: u64) -> (u64, u64) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "64a7ec7dc8f5a7ef19f1a79f3b7e6d1f731f578aec36ca40d589f9832eb01874"`
[INFO] running `"docker" "rm" "-f" "64a7ec7dc8f5a7ef19f1a79f3b7e6d1f731f578aec36ca40d589f9832eb01874"`
[INFO] [stdout] 64a7ec7dc8f5a7ef19f1a79f3b7e6d1f731f578aec36ca40d589f9832eb01874
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 7d8ff054452604795059b9afdf1549d05abf94ed519c4f31ed292e64f2bf1c59
[INFO] running `"docker" "start" "-a" "7d8ff054452604795059b9afdf1549d05abf94ed519c4f31ed292e64f2bf1c59"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/primes-a55ccf57c2363daf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::prime_number_check::mixed_examples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7d8ff054452604795059b9afdf1549d05abf94ed519c4f31ed292e64f2bf1c59"`
[INFO] running `"docker" "rm" "-f" "7d8ff054452604795059b9afdf1549d05abf94ed519c4f31ed292e64f2bf1c59"`
[INFO] [stdout] 7d8ff054452604795059b9afdf1549d05abf94ed519c4f31ed292e64f2bf1c59