Dec 12 17:27:31.176 INFO checking boomphf-0.2.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:27:31.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 17:27:31.372 INFO [stdout] 769705111be581741e58a641dd8d1b27821a6e83960d2ff4ef7e145c4e3a6a5a
Dec 12 17:27:31.374 INFO running `"docker" "start" "-a" "769705111be581741e58a641dd8d1b27821a6e83960d2ff4ef7e145c4e3a6a5a"`
Dec 12 17:27:32.580 INFO [stderr] usermod: no changes
Dec 12 17:27:32.760 INFO [stderr]     Checking boomphf v0.2.0 (/source)
Dec 12 17:27:33.844 INFO [stderr] warning: method is never used: `ones`
Dec 12 17:27:33.844 INFO [stderr]    --> src/bitvector.rs:124:5
Dec 12 17:27:33.844 INFO [stderr]     |
Dec 12 17:27:33.844 INFO [stderr] 124 |     pub fn ones(bits: usize) -> Self {
Dec 12 17:27:33.844 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:27:33.845 INFO [stderr]     |
Dec 12 17:27:33.845 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 17:27:33.845 INFO [stderr] 
Dec 12 17:27:33.845 INFO [stderr] warning: method is never used: `is_empty`
Dec 12 17:27:33.845 INFO [stderr]    --> src/bitvector.rs:144:5
Dec 12 17:27:33.845 INFO [stderr]     |
Dec 12 17:27:33.845 INFO [stderr] 144 |     pub fn is_empty(&self) -> bool {
Dec 12 17:27:33.845 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:27:33.845 INFO [stderr] 
Dec 12 17:27:33.845 INFO [stderr] warning: method is never used: `len`
Dec 12 17:27:33.845 INFO [stderr]    --> src/bitvector.rs:149:5
Dec 12 17:27:33.845 INFO [stderr]     |
Dec 12 17:27:33.845 INFO [stderr] 149 |     pub fn len(&self) -> usize {
Dec 12 17:27:33.845 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:27:33.845 INFO [stderr] 
Dec 12 17:27:33.845 INFO [stderr] warning: method is never used: `insert_all`
Dec 12 17:27:33.845 INFO [stderr]    --> src/bitvector.rs:223:5
Dec 12 17:27:33.845 INFO [stderr]     |
Dec 12 17:27:33.845 INFO [stderr] 223 |     pub fn insert_all(&mut self, all: &BitVector) -> bool {
Dec 12 17:27:33.845 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:27:33.845 INFO [stderr] 
Dec 12 17:27:34.724 INFO [stderr] warning: unused variable: `phf`
Dec 12 17:27:34.724 INFO [stderr]   --> benches/build.rs:16:13
Dec 12 17:27:34.724 INFO [stderr]    |
Dec 12 17:27:34.724 INFO [stderr] 16 |         let phf = Mphf::new(2.0, &items, None);
Dec 12 17:27:34.724 INFO [stderr]    |             ^^^ help: consider using `_phf` instead
Dec 12 17:27:34.724 INFO [stderr]    |
Dec 12 17:27:34.724 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 17:27:34.724 INFO [stderr] 
Dec 12 17:27:35.212 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
Dec 12 17:27:35.219 INFO [stderr] su: No module specific data is present
Dec 12 17:27:35.868 INFO running `"docker" "inspect" "769705111be581741e58a641dd8d1b27821a6e83960d2ff4ef7e145c4e3a6a5a"`
Dec 12 17:27:36.050 INFO running `"docker" "rm" "-f" "769705111be581741e58a641dd8d1b27821a6e83960d2ff4ef7e145c4e3a6a5a"`
Dec 12 17:27:36.352 INFO [stdout] 769705111be581741e58a641dd8d1b27821a6e83960d2ff4ef7e145c4e3a6a5a