Nov 28 15:39:06.562 INFO checking wavelet-matrix-0.4.7 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 15:39:06.564 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 15:39:06.964 INFO [stdout] 0366694573b842428b86887c2d1b1bac7b086bc449854c69dc34d3cb960d5ca2
Nov 28 15:39:06.966 INFO running `"docker" "start" "-a" "0366694573b842428b86887c2d1b1bac7b086bc449854c69dc34d3cb960d5ca2"`
Nov 28 15:39:09.212 INFO [stderr] usermod: no changes
Nov 28 15:39:09.426 INFO [stderr]     Checking easybench v0.1.4
Nov 28 15:39:09.427 INFO [stderr]     Checking succinct v0.4.4
Nov 28 15:39:09.427 INFO [stderr]     Checking num-bigint v0.1.44
Nov 28 15:39:12.448 INFO [stderr]     Checking num-rational v0.1.42
Nov 28 15:39:12.836 INFO [stderr]     Checking wavelet-matrix v0.4.7 (/source)
Nov 28 15:39:14.170 INFO [stderr]     Checking num v0.1.42
Nov 28 15:39:16.232 INFO [stderr] warning: unused variable: `limit_secs`
Nov 28 15:39:16.232 INFO [stderr]   --> benches/easybench.rs:57:55
Nov 28 15:39:16.232 INFO [stderr]    |
Nov 28 15:39:16.232 INFO [stderr] 57 | fn overall_helper(num: usize, desc: &str, upper: u64, limit_secs: u64) {
Nov 28 15:39:16.232 INFO [stderr]    |                                                       ^^^^^^^^^^ help: consider using `_limit_secs` instead
Nov 28 15:39:16.232 INFO [stderr]    |
Nov 28 15:39:16.232 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 15:39:16.232 INFO [stderr] 
Nov 28 15:39:16.232 INFO [stderr] warning: value assigned to `errorpct` is never read
Nov 28 15:39:16.232 INFO [stderr]    --> benches/easybench.rs:332:13
Nov 28 15:39:16.232 INFO [stderr]     |
Nov 28 15:39:16.232 INFO [stderr] 332 |     let mut errorpct = 0.0;
Nov 28 15:39:16.232 INFO [stderr]     |             ^^^^^^^^
Nov 28 15:39:16.232 INFO [stderr]     |
Nov 28 15:39:16.232 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 28 15:39:16.232 INFO [stderr] 
Nov 28 15:39:16.240 INFO [stderr] warning: variable does not need to be mutable
Nov 28 15:39:16.240 INFO [stderr]   --> benches/easybench.rs:49:13
Nov 28 15:39:16.240 INFO [stderr]    |
Nov 28 15:39:16.240 INFO [stderr] 49 |         let mut rng = rand::weak_rng();
Nov 28 15:39:16.240 INFO [stderr]    |             ----^^^
Nov 28 15:39:16.244 INFO [stderr]    |             |
Nov 28 15:39:16.244 INFO [stderr]    |             help: remove this `mut`
Nov 28 15:39:16.244 INFO [stderr]    |
Nov 28 15:39:16.244 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 15:39:16.244 INFO [stderr] 
Nov 28 15:39:16.335 INFO [stderr] warning: function is never used: `statstical_helper`
Nov 28 15:39:16.335 INFO [stderr]    --> benches/easybench.rs:264:1
Nov 28 15:39:16.335 INFO [stderr]     |
Nov 28 15:39:16.335 INFO [stderr] 264 | fn statstical_helper(num: usize, lower: u64, upper: u64, k: usize) {
Nov 28 15:39:16.335 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 15:39:16.335 INFO [stderr]     |
Nov 28 15:39:16.335 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 15:39:16.335 INFO [stderr] 
Nov 28 15:39:16.335 INFO [stderr] warning: function is never used: `sum_uniform_find_sufficient_k`
Nov 28 15:39:16.335 INFO [stderr]    --> benches/easybench.rs:330:1
Nov 28 15:39:16.335 INFO [stderr]     |
Nov 28 15:39:16.335 INFO [stderr] 330 | fn sum_uniform_find_sufficient_k(num: usize, lower: u64, upper: u64, accuracy_pct: f64) -> usize {
Nov 28 15:39:16.335 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 15:39:16.335 INFO [stderr] 
Nov 28 15:39:16.335 INFO [stderr] warning: function is never used: `average`
Nov 28 15:39:16.335 INFO [stderr]    --> benches/easybench.rs:373:1
Nov 28 15:39:16.335 INFO [stderr]     |
Nov 28 15:39:16.335 INFO [stderr] 373 | fn average(r: &std::ops::Range<u64>) -> u64 {
Nov 28 15:39:16.335 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 15:39:16.335 INFO [stderr] 
Nov 28 15:39:16.335 INFO [stderr] warning: function is never used: `error_pct`
Nov 28 15:39:16.335 INFO [stderr]    --> benches/easybench.rs:377:1
Nov 28 15:39:16.335 INFO [stderr]     |
Nov 28 15:39:16.335 INFO [stderr] 377 | fn error_pct(computed: u64, actual: u64) -> f64 {
Nov 28 15:39:16.335 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 15:39:16.335 INFO [stderr] 
Nov 28 15:39:16.335 INFO [stderr] warning: function is never used: `statistical_performance`
Nov 28 15:39:16.335 INFO [stderr]    --> benches/easybench.rs:392:1
Nov 28 15:39:16.335 INFO [stderr]     |
Nov 28 15:39:16.336 INFO [stderr] 392 | fn statistical_performance() {
Nov 28 15:39:16.336 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 15:39:16.336 INFO [stderr] 
Nov 28 15:39:16.336 INFO [stderr] warning: function is never used: `statistical_sufficient_k`
Nov 28 15:39:16.336 INFO [stderr]    --> benches/easybench.rs:421:1
Nov 28 15:39:16.336 INFO [stderr]     |
Nov 28 15:39:16.336 INFO [stderr] 421 | fn statistical_sufficient_k() {
Nov 28 15:39:16.336 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 15:39:16.336 INFO [stderr] 
Nov 28 15:39:16.783 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.53s
Nov 28 15:39:16.788 INFO [stderr] su: No module specific data is present
Nov 28 15:39:17.566 INFO running `"docker" "inspect" "0366694573b842428b86887c2d1b1bac7b086bc449854c69dc34d3cb960d5ca2"`
Nov 28 15:39:17.954 INFO running `"docker" "rm" "-f" "0366694573b842428b86887c2d1b1bac7b086bc449854c69dc34d3cb960d5ca2"`
Nov 28 15:39:18.330 INFO [stdout] 0366694573b842428b86887c2d1b1bac7b086bc449854c69dc34d3cb960d5ca2