[INFO] crate wavelet-matrix 0.4.7 is already in cache
[INFO] extracting crate wavelet-matrix 0.4.7 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/wavelet-matrix/0.4.7
[INFO] extracting crate wavelet-matrix 0.4.7 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/wavelet-matrix/0.4.7
[INFO] validating manifest of wavelet-matrix-0.4.7 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wavelet-matrix-0.4.7 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wavelet-matrix-0.4.7
[INFO] finished frobbing wavelet-matrix-0.4.7
[INFO] frobbed toml for wavelet-matrix-0.4.7 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/wavelet-matrix/0.4.7/Cargo.toml
[INFO] started frobbing wavelet-matrix-0.4.7
[INFO] finished frobbing wavelet-matrix-0.4.7
[INFO] frobbed toml for wavelet-matrix-0.4.7 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/wavelet-matrix/0.4.7/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wavelet-matrix-0.4.7 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-7/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/wavelet-matrix/0.4.7:/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c4bb68138e57f7780841f7c9f4c17a366f17c19852cdf5dda25eb44ec1ebe407
[INFO] running `"docker" "start" "-a" "c4bb68138e57f7780841f7c9f4c17a366f17c19852cdf5dda25eb44ec1ebe407"`
[INFO] [stderr]     Checking easybench v0.1.4
[INFO] [stderr]     Checking succinct v0.4.4
[INFO] [stderr]     Checking wavelet-matrix v0.4.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `limit_secs`
[INFO] [stderr]   --> benches/easybench.rs:57:55
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn overall_helper(num: usize, desc: &str, upper: u64, limit_secs: u64) {
[INFO] [stderr]    |                                                       ^^^^^^^^^^ help: consider prefixing with an underscore: `_limit_secs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `errorpct` is never read
[INFO] [stderr]    --> benches/easybench.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 |     let mut errorpct = 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]   --> benches/easybench.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let mut rng = rand::weak_rng();
[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: function is never used: `statstical_helper`
[INFO] [stderr]    --> benches/easybench.rs:264:1
[INFO] [stderr]     |
[INFO] [stderr] 264 | fn statstical_helper(num: usize, lower: u64, upper: u64, k: usize) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sum_uniform_find_sufficient_k`
[INFO] [stderr]    --> benches/easybench.rs:330:1
[INFO] [stderr]     |
[INFO] [stderr] 330 | fn sum_uniform_find_sufficient_k(num: usize, lower: u64, upper: u64, accuracy_pct: f64) -> usize {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `average`
[INFO] [stderr]    --> benches/easybench.rs:373:1
[INFO] [stderr]     |
[INFO] [stderr] 373 | fn average(r: &std::ops::Range<u64>) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `error_pct`
[INFO] [stderr]    --> benches/easybench.rs:377:1
[INFO] [stderr]     |
[INFO] [stderr] 377 | fn error_pct(computed: u64, actual: u64) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `statistical_performance`
[INFO] [stderr]    --> benches/easybench.rs:392:1
[INFO] [stderr]     |
[INFO] [stderr] 392 | fn statistical_performance() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `statistical_sufficient_k`
[INFO] [stderr]    --> benches/easybench.rs:421:1
[INFO] [stderr]     |
[INFO] [stderr] 421 | fn statistical_sufficient_k() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `"docker" "inspect" "c4bb68138e57f7780841f7c9f4c17a366f17c19852cdf5dda25eb44ec1ebe407"`
[INFO] running `"docker" "rm" "-f" "c4bb68138e57f7780841f7c9f4c17a366f17c19852cdf5dda25eb44ec1ebe407"`
[INFO] [stdout] c4bb68138e57f7780841f7c9f4c17a366f17c19852cdf5dda25eb44ec1ebe407