[INFO] updating cached repository Ryneqq/primes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ryneqq/primes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ryneqq/primes" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryneqq/primes"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryneqq/primes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ryneqq/primes" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Ryneqq/primes"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Ryneqq/primes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23718b7f0c6437f10d1f36c9ce58aa361ab9dcc7
[INFO] sha for GitHub repo Ryneqq/primes: 23718b7f0c6437f10d1f36c9ce58aa361ab9dcc7
[INFO] validating manifest of Ryneqq/primes on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Ryneqq/primes on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Ryneqq/primes
[INFO] finished frobbing Ryneqq/primes
[INFO] frobbed toml for Ryneqq/primes written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryneqq/primes/Cargo.toml
[INFO] started frobbing Ryneqq/primes
[INFO] finished frobbing Ryneqq/primes
[INFO] frobbed toml for Ryneqq/primes written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Ryneqq/primes/Cargo.toml
[INFO] crate Ryneqq/primes has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Ryneqq/primes against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryneqq/primes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 71335406bed1552bce1879a2378bfd678d69608bbe2b9785401a67bb5581284c
[INFO] running `"docker" "start" "-a" "71335406bed1552bce1879a2378bfd678d69608bbe2b9785401a67bb5581284c"`
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/crater/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 0.62s
[INFO] running `"docker" "inspect" "71335406bed1552bce1879a2378bfd678d69608bbe2b9785401a67bb5581284c"`
[INFO] running `"docker" "rm" "-f" "71335406bed1552bce1879a2378bfd678d69608bbe2b9785401a67bb5581284c"`
[INFO] [stdout] 71335406bed1552bce1879a2378bfd678d69608bbe2b9785401a67bb5581284c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryneqq/primes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] cd160a2e101b6a848d2ceb59800a35fb2884077094de4f40fad2962ad5ce8546
[INFO] running `"docker" "start" "-a" "cd160a2e101b6a848d2ceb59800a35fb2884077094de4f40fad2962ad5ce8546"`
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/crater/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 0.52s
[INFO] running `"docker" "inspect" "cd160a2e101b6a848d2ceb59800a35fb2884077094de4f40fad2962ad5ce8546"`
[INFO] running `"docker" "rm" "-f" "cd160a2e101b6a848d2ceb59800a35fb2884077094de4f40fad2962ad5ce8546"`
[INFO] [stdout] cd160a2e101b6a848d2ceb59800a35fb2884077094de4f40fad2962ad5ce8546
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryneqq/primes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] cdfea5668440e4bdc6149d5f2406f66a15ee98d447fd779f3185383df213cb7b
[INFO] running `"docker" "start" "-a" "cdfea5668440e4bdc6149d5f2406f66a15ee98d447fd779f3185383df213cb7b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/primes-e117d3c6288c458e
[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" "cdfea5668440e4bdc6149d5f2406f66a15ee98d447fd779f3185383df213cb7b"`
[INFO] running `"docker" "rm" "-f" "cdfea5668440e4bdc6149d5f2406f66a15ee98d447fd779f3185383df213cb7b"`
[INFO] [stdout] cdfea5668440e4bdc6149d5f2406f66a15ee98d447fd779f3185383df213cb7b