[INFO] updating cached repository TomeksGitRepo/FirstNumberMultiThreading
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TomeksGitRepo/FirstNumberMultiThreading
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TomeksGitRepo/FirstNumberMultiThreading" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/TomeksGitRepo/FirstNumberMultiThreading"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/TomeksGitRepo/FirstNumberMultiThreading'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TomeksGitRepo/FirstNumberMultiThreading" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/TomeksGitRepo/FirstNumberMultiThreading"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/TomeksGitRepo/FirstNumberMultiThreading'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7deda86c9a4c1c4e5ef74f1fc509198c99599c80
[INFO] sha for GitHub repo TomeksGitRepo/FirstNumberMultiThreading: 7deda86c9a4c1c4e5ef74f1fc509198c99599c80
[INFO] validating manifest of TomeksGitRepo/FirstNumberMultiThreading on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TomeksGitRepo/FirstNumberMultiThreading on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TomeksGitRepo/FirstNumberMultiThreading
[INFO] finished frobbing TomeksGitRepo/FirstNumberMultiThreading
[INFO] frobbed toml for TomeksGitRepo/FirstNumberMultiThreading written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/TomeksGitRepo/FirstNumberMultiThreading/Cargo.toml
[INFO] started frobbing TomeksGitRepo/FirstNumberMultiThreading
[INFO] finished frobbing TomeksGitRepo/FirstNumberMultiThreading
[INFO] frobbed toml for TomeksGitRepo/FirstNumberMultiThreading written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/TomeksGitRepo/FirstNumberMultiThreading/Cargo.toml
[INFO] crate TomeksGitRepo/FirstNumberMultiThreading already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking TomeksGitRepo/FirstNumberMultiThreading against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/TomeksGitRepo/FirstNumberMultiThreading:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 248972c634ea737adafb4628963bde6c9f25c5b7c8b9e50efc0163534402845b
[INFO] running `"docker" "start" "-a" "248972c634ea737adafb4628963bde6c9f25c5b7c8b9e50efc0163534402845b"`
[INFO] [stderr]     Checking perf_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for i in (3..1000) {
[INFO] [stderr]    |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |     for i in (0..9) {
[INFO] [stderr]    |              ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:75:16
[INFO] [stderr]    |
[INFO] [stderr] 75 |             if ((i % item) == 0) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for i in (3..1000) {
[INFO] [stderr]    |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |     for i in (0..9) {
[INFO] [stderr]    |              ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:75:16
[INFO] [stderr]    |
[INFO] [stderr] 75 |             if ((i % item) == 0) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shared_checked_number_vector`
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let shared_checked_number_vector  = shared_first_number_collect_vec_handle.clone();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_shared_checked_number_vector`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let f = 1;
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sqrt_of_i` is never read
[INFO] [stderr]   --> src/main.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let mut sqrt_of_i = 0.0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:31:21
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let mut number;
[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: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut first_number_tryhard_number: Vec<u32> = Vec::new();
[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/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut first_number_checked: Vec<u32> = Vec::new();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shared_checked_number_vector`
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let shared_checked_number_vector  = shared_first_number_collect_vec_handle.clone();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_shared_checked_number_vector`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let f = 1;
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sqrt_of_i` is never read
[INFO] [stderr]   --> src/main.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let mut sqrt_of_i = 0.0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:31:21
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let mut number;
[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: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut first_number_tryhard_number: Vec<u32> = Vec::new();
[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/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut first_number_checked: Vec<u32> = Vec::new();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "248972c634ea737adafb4628963bde6c9f25c5b7c8b9e50efc0163534402845b"`
[INFO] running `"docker" "rm" "-f" "248972c634ea737adafb4628963bde6c9f25c5b7c8b9e50efc0163534402845b"`
[INFO] [stdout] 248972c634ea737adafb4628963bde6c9f25c5b7c8b9e50efc0163534402845b