Sep 19 15:52:59.740 INFO checking wavelet-matrix-0.4.7 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 15:52:59.740 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 15:52:59.740 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 15:53:00.215 INFO blam! 251eb81cbe6f694a34c16b5b7da451e817bd715decbdf8805c3257405ea96512
Sep 19 15:53:00.217 INFO running `"docker" "start" "-a" "251eb81cbe6f694a34c16b5b7da451e817bd715decbdf8805c3257405ea96512"`
Sep 19 15:53:01.675 INFO kablam! usermod: no changes
Sep 19 15:53:01.871 INFO kablam!     Checking easybench v0.1.4
Sep 19 15:53:01.875 INFO kablam!     Checking succinct v0.4.4
Sep 19 15:53:03.915 INFO kablam!     Checking wavelet-matrix v0.4.7 (/source)
Sep 19 15:53:05.479 INFO kablam! warning: unused variable: `limit_secs`
Sep 19 15:53:05.479 INFO kablam!   --> benches/easybench.rs:57:55
Sep 19 15:53:05.479 INFO kablam!    |
Sep 19 15:53:05.479 INFO kablam! 57 | fn overall_helper(num: usize, desc: &str, upper: u64, limit_secs: u64) {
Sep 19 15:53:05.479 INFO kablam!    |                                                       ^^^^^^^^^^ help: consider using `_limit_secs` instead
Sep 19 15:53:05.479 INFO kablam!    |
Sep 19 15:53:05.479 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 15:53:05.479 INFO kablam! 
Sep 19 15:53:05.479 INFO kablam! warning: value assigned to `errorpct` is never read
Sep 19 15:53:05.479 INFO kablam!    --> benches/easybench.rs:332:13
Sep 19 15:53:05.479 INFO kablam!     |
Sep 19 15:53:05.479 INFO kablam! 332 |     let mut errorpct = 0.0;
Sep 19 15:53:05.479 INFO kablam!     |             ^^^^^^^^
Sep 19 15:53:05.479 INFO kablam!     |
Sep 19 15:53:05.479 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Sep 19 15:53:05.479 INFO kablam! 
Sep 19 15:53:05.489 INFO kablam! warning: variable does not need to be mutable
Sep 19 15:53:05.489 INFO kablam!   --> benches/easybench.rs:49:13
Sep 19 15:53:05.489 INFO kablam!    |
Sep 19 15:53:05.489 INFO kablam! 49 |         let mut rng = rand::weak_rng();
Sep 19 15:53:05.489 INFO kablam!    |             ----^^^
Sep 19 15:53:05.489 INFO kablam!    |             |
Sep 19 15:53:05.489 INFO kablam!    |             help: remove this `mut`
Sep 19 15:53:05.489 INFO kablam!    |
Sep 19 15:53:05.489 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 15:53:05.489 INFO kablam! 
Sep 19 15:53:05.551 INFO kablam! warning: function is never used: `statstical_helper`
Sep 19 15:53:05.551 INFO kablam!    --> benches/easybench.rs:264:1
Sep 19 15:53:05.551 INFO kablam!     |
Sep 19 15:53:05.551 INFO kablam! 264 | fn statstical_helper(num: usize, lower: u64, upper: u64, k: usize) {
Sep 19 15:53:05.551 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:53:05.551 INFO kablam!     |
Sep 19 15:53:05.551 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 19 15:53:05.551 INFO kablam! 
Sep 19 15:53:05.551 INFO kablam! warning: function is never used: `sum_uniform_find_sufficient_k`
Sep 19 15:53:05.551 INFO kablam!    --> benches/easybench.rs:330:1
Sep 19 15:53:05.551 INFO kablam!     |
Sep 19 15:53:05.551 INFO kablam! 330 | fn sum_uniform_find_sufficient_k(num: usize, lower: u64, upper: u64, accuracy_pct: f64) -> usize {
Sep 19 15:53:05.551 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:53:05.551 INFO kablam! 
Sep 19 15:53:05.551 INFO kablam! warning: function is never used: `average`
Sep 19 15:53:05.551 INFO kablam!    --> benches/easybench.rs:373:1
Sep 19 15:53:05.551 INFO kablam!     |
Sep 19 15:53:05.551 INFO kablam! 373 | fn average(r: &std::ops::Range<u64>) -> u64 {
Sep 19 15:53:05.551 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:53:05.551 INFO kablam! 
Sep 19 15:53:05.551 INFO kablam! warning: function is never used: `error_pct`
Sep 19 15:53:05.551 INFO kablam!    --> benches/easybench.rs:377:1
Sep 19 15:53:05.551 INFO kablam!     |
Sep 19 15:53:05.551 INFO kablam! 377 | fn error_pct(computed: u64, actual: u64) -> f64 {
Sep 19 15:53:05.551 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:53:05.551 INFO kablam! 
Sep 19 15:53:05.551 INFO kablam! warning: function is never used: `statistical_performance`
Sep 19 15:53:05.551 INFO kablam!    --> benches/easybench.rs:392:1
Sep 19 15:53:05.551 INFO kablam!     |
Sep 19 15:53:05.551 INFO kablam! 392 | fn statistical_performance() {
Sep 19 15:53:05.551 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:53:05.551 INFO kablam! 
Sep 19 15:53:05.551 INFO kablam! warning: function is never used: `statistical_sufficient_k`
Sep 19 15:53:05.551 INFO kablam!    --> benches/easybench.rs:421:1
Sep 19 15:53:05.551 INFO kablam!     |
Sep 19 15:53:05.551 INFO kablam! 421 | fn statistical_sufficient_k() {
Sep 19 15:53:05.551 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:53:05.551 INFO kablam! 
Sep 19 15:53:05.927 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
Sep 19 15:53:05.933 INFO kablam! su: No module specific data is present
Sep 19 15:53:06.850 INFO running `"docker" "rm" "-f" "251eb81cbe6f694a34c16b5b7da451e817bd715decbdf8805c3257405ea96512"`
Sep 19 15:53:07.100 INFO blam! 251eb81cbe6f694a34c16b5b7da451e817bd715decbdf8805c3257405ea96512