[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/beta-1.38-1/sources/1.37.0/gh/TomeksGitRepo/FirstNumberMultiThreading"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TomeksGitRepo/FirstNumberMultiThreading'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/TomeksGitRepo/FirstNumberMultiThreading" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TomeksGitRepo/FirstNumberMultiThreading"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of TomeksGitRepo/FirstNumberMultiThreading on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/TomeksGitRepo/FirstNumberMultiThreading/Cargo.toml [INFO] crate TomeksGitRepo/FirstNumberMultiThreading already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing TomeksGitRepo/FirstNumberMultiThreading against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TomeksGitRepo/FirstNumberMultiThreading:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 0014bd5985369643628807b77319f3f993734fe92691b62edb7f08ae8f0a82b9 [INFO] running `"docker" "start" "-a" "0014bd5985369643628807b77319f3f993734fe92691b62edb7f08ae8f0a82b9"` [INFO] [stderr] Compiling 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: 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 = 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 = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `"docker" "inspect" "0014bd5985369643628807b77319f3f993734fe92691b62edb7f08ae8f0a82b9"` [INFO] running `"docker" "rm" "-f" "0014bd5985369643628807b77319f3f993734fe92691b62edb7f08ae8f0a82b9"` [INFO] [stdout] 0014bd5985369643628807b77319f3f993734fe92691b62edb7f08ae8f0a82b9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TomeksGitRepo/FirstNumberMultiThreading:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 2aa64a50d72c703c1c6d43796e46068664cafe90c89460bb6256c19f6657fff2 [INFO] running `"docker" "start" "-a" "2aa64a50d72c703c1c6d43796e46068664cafe90c89460bb6256c19f6657fff2"` [INFO] [stderr] Compiling 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: 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 = 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 = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "2aa64a50d72c703c1c6d43796e46068664cafe90c89460bb6256c19f6657fff2"` [INFO] running `"docker" "rm" "-f" "2aa64a50d72c703c1c6d43796e46068664cafe90c89460bb6256c19f6657fff2"` [INFO] [stdout] 2aa64a50d72c703c1c6d43796e46068664cafe90c89460bb6256c19f6657fff2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TomeksGitRepo/FirstNumberMultiThreading:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] e765d9beccc4804c5732097b6b705237e138f5741c786e2097a29790afcb2f83 [INFO] running `"docker" "start" "-a" "e765d9beccc4804c5732097b6b705237e138f5741c786e2097a29790afcb2f83"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/perf_test-8ec229769db0fb3c [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "e765d9beccc4804c5732097b6b705237e138f5741c786e2097a29790afcb2f83"` [INFO] running `"docker" "rm" "-f" "e765d9beccc4804c5732097b6b705237e138f5741c786e2097a29790afcb2f83"` [INFO] [stdout] e765d9beccc4804c5732097b6b705237e138f5741c786e2097a29790afcb2f83