Dec 18 18:04:31.982 INFO checking boomphf-0.2.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:04:31.982 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/boomphf/0.2.0:/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=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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:04:32.191 INFO [stdout] fa12ef209564c1f4e2bceba1558c4af7a279a7e89f88af702fa2324b18937ac3
Dec 18 18:04:32.194 INFO running `"docker" "start" "-a" "fa12ef209564c1f4e2bceba1558c4af7a279a7e89f88af702fa2324b18937ac3"`
Dec 18 18:04:32.880 INFO [stderr]     Checking boomphf v0.2.0 (/opt/crater/workdir)
Dec 18 18:04:32.881 INFO [stderr]     Checking quickcheck v0.3.2
Dec 18 18:04:33.282 INFO [stderr] warning: method is never used: `ones`
Dec 18 18:04:33.282 INFO [stderr]    --> src/bitvector.rs:124:5
Dec 18 18:04:33.282 INFO [stderr]     |
Dec 18 18:04:33.282 INFO [stderr] 124 |     pub fn ones(bits: usize) -> Self {
Dec 18 18:04:33.282 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:04:33.282 INFO [stderr]     |
Dec 18 18:04:33.282 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 18:04:33.282 INFO [stderr] 
Dec 18 18:04:33.282 INFO [stderr] warning: method is never used: `is_empty`
Dec 18 18:04:33.282 INFO [stderr]    --> src/bitvector.rs:144:5
Dec 18 18:04:33.282 INFO [stderr]     |
Dec 18 18:04:33.282 INFO [stderr] 144 |     pub fn is_empty(&self) -> bool {
Dec 18 18:04:33.282 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:04:33.282 INFO [stderr] 
Dec 18 18:04:33.307 INFO [stderr] warning: method is never used: `len`
Dec 18 18:04:33.307 INFO [stderr]    --> src/bitvector.rs:149:5
Dec 18 18:04:33.307 INFO [stderr]     |
Dec 18 18:04:33.307 INFO [stderr] 149 |     pub fn len(&self) -> usize {
Dec 18 18:04:33.307 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:04:33.307 INFO [stderr] 
Dec 18 18:04:33.307 INFO [stderr] warning: method is never used: `insert_all`
Dec 18 18:04:33.307 INFO [stderr]    --> src/bitvector.rs:223:5
Dec 18 18:04:33.307 INFO [stderr]     |
Dec 18 18:04:33.307 INFO [stderr] 223 |     pub fn insert_all(&mut self, all: &BitVector) -> bool {
Dec 18 18:04:33.322 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:04:33.322 INFO [stderr] 
Dec 18 18:04:34.584 INFO [stderr] warning: unused variable: `phf`
Dec 18 18:04:34.584 INFO [stderr]   --> benches/build.rs:16:13
Dec 18 18:04:34.584 INFO [stderr]    |
Dec 18 18:04:34.584 INFO [stderr] 16 |         let phf = Mphf::new(2.0, &items, None);
Dec 18 18:04:34.584 INFO [stderr]    |             ^^^ help: consider using `_phf` instead
Dec 18 18:04:34.584 INFO [stderr]    |
Dec 18 18:04:34.584 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 18:04:34.584 INFO [stderr] 
Dec 18 18:04:35.057 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
Dec 18 18:04:35.293 INFO running `"docker" "inspect" "fa12ef209564c1f4e2bceba1558c4af7a279a7e89f88af702fa2324b18937ac3"`
Dec 18 18:04:35.358 INFO running `"docker" "rm" "-f" "fa12ef209564c1f4e2bceba1558c4af7a279a7e89f88af702fa2324b18937ac3"`
Dec 18 18:04:35.445 INFO [stdout] fa12ef209564c1f4e2bceba1558c4af7a279a7e89f88af702fa2324b18937ac3