Dec 12 05:02:22.881 INFO checking wavelet-matrix-0.4.7 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 05:02:22.882 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 05:02:23.482 INFO [stdout] fe4543cf4bea2c18cbdbf1995e0d2e95427e88e444748acb02f2e5478551cfa2
Dec 12 05:02:23.484 INFO running `"docker" "start" "-a" "fe4543cf4bea2c18cbdbf1995e0d2e95427e88e444748acb02f2e5478551cfa2"`
Dec 12 05:02:25.223 INFO [stderr] usermod: no changes
Dec 12 05:02:25.404 INFO [stderr]     Checking easybench v0.1.4
Dec 12 05:02:25.404 INFO [stderr]     Checking succinct v0.4.4
Dec 12 05:02:27.628 INFO [stderr]     Checking wavelet-matrix v0.4.7 (/source)
Dec 12 05:02:30.623 INFO [stderr] warning: unused variable: `limit_secs`
Dec 12 05:02:30.623 INFO [stderr]   --> benches/easybench.rs:57:55
Dec 12 05:02:30.624 INFO [stderr]    |
Dec 12 05:02:30.624 INFO [stderr] 57 | fn overall_helper(num: usize, desc: &str, upper: u64, limit_secs: u64) {
Dec 12 05:02:30.624 INFO [stderr]    |                                                       ^^^^^^^^^^ help: consider using `_limit_secs` instead
Dec 12 05:02:30.625 INFO [stderr]    |
Dec 12 05:02:30.625 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 05:02:30.625 INFO [stderr] 
Dec 12 05:02:30.625 INFO [stderr] warning: value assigned to `errorpct` is never read
Dec 12 05:02:30.626 INFO [stderr]    --> benches/easybench.rs:332:13
Dec 12 05:02:30.626 INFO [stderr]     |
Dec 12 05:02:30.626 INFO [stderr] 332 |     let mut errorpct = 0.0;
Dec 12 05:02:30.626 INFO [stderr]     |             ^^^^^^^^
Dec 12 05:02:30.627 INFO [stderr]     |
Dec 12 05:02:30.627 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 12 05:02:30.627 INFO [stderr] 
Dec 12 05:02:30.627 INFO [stderr] warning: variable does not need to be mutable
Dec 12 05:02:30.628 INFO [stderr]   --> benches/easybench.rs:49:13
Dec 12 05:02:30.628 INFO [stderr]    |
Dec 12 05:02:30.628 INFO [stderr] 49 |         let mut rng = rand::weak_rng();
Dec 12 05:02:30.628 INFO [stderr]    |             ----^^^
Dec 12 05:02:30.628 INFO [stderr]    |             |
Dec 12 05:02:30.629 INFO [stderr]    |             help: remove this `mut`
Dec 12 05:02:30.629 INFO [stderr]    |
Dec 12 05:02:30.629 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 05:02:30.629 INFO [stderr] 
Dec 12 05:02:30.689 INFO [stderr] warning: function is never used: `statstical_helper`
Dec 12 05:02:30.689 INFO [stderr]    --> benches/easybench.rs:264:1
Dec 12 05:02:30.689 INFO [stderr]     |
Dec 12 05:02:30.689 INFO [stderr] 264 | fn statstical_helper(num: usize, lower: u64, upper: u64, k: usize) {
Dec 12 05:02:30.689 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:02:30.689 INFO [stderr]     |
Dec 12 05:02:30.690 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 05:02:30.690 INFO [stderr] 
Dec 12 05:02:30.690 INFO [stderr] warning: function is never used: `sum_uniform_find_sufficient_k`
Dec 12 05:02:30.690 INFO [stderr]    --> benches/easybench.rs:330:1
Dec 12 05:02:30.690 INFO [stderr]     |
Dec 12 05:02:30.690 INFO [stderr] 330 | fn sum_uniform_find_sufficient_k(num: usize, lower: u64, upper: u64, accuracy_pct: f64) -> usize {
Dec 12 05:02:30.690 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:02:30.690 INFO [stderr] 
Dec 12 05:02:30.690 INFO [stderr] warning: function is never used: `average`
Dec 12 05:02:30.690 INFO [stderr]    --> benches/easybench.rs:373:1
Dec 12 05:02:30.691 INFO [stderr]     |
Dec 12 05:02:30.691 INFO [stderr] 373 | fn average(r: &std::ops::Range<u64>) -> u64 {
Dec 12 05:02:30.691 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:02:30.691 INFO [stderr] 
Dec 12 05:02:30.691 INFO [stderr] warning: function is never used: `error_pct`
Dec 12 05:02:30.691 INFO [stderr]    --> benches/easybench.rs:377:1
Dec 12 05:02:30.691 INFO [stderr]     |
Dec 12 05:02:30.691 INFO [stderr] 377 | fn error_pct(computed: u64, actual: u64) -> f64 {
Dec 12 05:02:30.691 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:02:30.691 INFO [stderr] 
Dec 12 05:02:30.691 INFO [stderr] warning: function is never used: `statistical_performance`
Dec 12 05:02:30.691 INFO [stderr]    --> benches/easybench.rs:392:1
Dec 12 05:02:30.692 INFO [stderr]     |
Dec 12 05:02:30.692 INFO [stderr] 392 | fn statistical_performance() {
Dec 12 05:02:30.692 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:02:30.692 INFO [stderr] 
Dec 12 05:02:30.692 INFO [stderr] warning: function is never used: `statistical_sufficient_k`
Dec 12 05:02:30.692 INFO [stderr]    --> benches/easybench.rs:421:1
Dec 12 05:02:30.692 INFO [stderr]     |
Dec 12 05:02:30.692 INFO [stderr] 421 | fn statistical_sufficient_k() {
Dec 12 05:02:30.692 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:02:30.692 INFO [stderr] 
Dec 12 05:02:30.720 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
Dec 12 05:02:30.733 INFO [stderr] su: No module specific data is present
Dec 12 05:02:32.138 INFO running `"docker" "inspect" "fe4543cf4bea2c18cbdbf1995e0d2e95427e88e444748acb02f2e5478551cfa2"`
Dec 12 05:02:32.370 INFO running `"docker" "rm" "-f" "fe4543cf4bea2c18cbdbf1995e0d2e95427e88e444748acb02f2e5478551cfa2"`
Dec 12 05:02:32.740 INFO [stdout] fe4543cf4bea2c18cbdbf1995e0d2e95427e88e444748acb02f2e5478551cfa2