[INFO] crate lru-disk-cache 0.2.0 is already in cache
[INFO] extracting crate lru-disk-cache 0.2.0 into work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/lru-disk-cache/0.2.0
[INFO] extracting crate lru-disk-cache 0.2.0 into work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/lru-disk-cache/0.2.0
[INFO] validating manifest of lru-disk-cache-0.2.0 on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lru-disk-cache-0.2.0 on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lru-disk-cache-0.2.0
[INFO] finished frobbing lru-disk-cache-0.2.0
[INFO] frobbed toml for lru-disk-cache-0.2.0 written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/lru-disk-cache/0.2.0/Cargo.toml
[INFO] started frobbing lru-disk-cache-0.2.0
[INFO] finished frobbing lru-disk-cache-0.2.0
[INFO] frobbed toml for lru-disk-cache-0.2.0 written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/lru-disk-cache/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lru-disk-cache-0.2.0 against master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-3/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/lru-disk-cache/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" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b071cfd06b460a068bd35636dee3ad6167fe8b0e3f4766d13c5c8b3080cf3963
[INFO] running `"docker" "start" "-a" "b071cfd06b460a068bd35636dee3ad6167fe8b0e3f4766d13c5c8b3080cf3963"`
[INFO] [stderr]     Checking lru-disk-cache v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lru_cache.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn new(capacity: u64) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_hasher`
[INFO] [stderr]    --> src/lru_cache.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     pub fn with_hasher(capacity: u64, hash_builder: S) -> LruCache<K, V, S, Count> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]    --> src/lru_cache.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 | /     pub fn get_mut<Q: ?Sized>(&mut self, k: &Q) -> Option<&mut V>
[INFO] [stderr] 279 | |         where K: Borrow<Q>,
[INFO] [stderr] 280 | |               Q: Hash + Eq
[INFO] [stderr] 281 | |     {
[INFO] [stderr] 282 | |         self.map.get_refresh(k)
[INFO] [stderr] 283 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]    --> src/lru_cache.rs:316:5
[INFO] [stderr]     |
[INFO] [stderr] 316 |     pub fn iter_mut(&mut self) -> IterMut<K, V> { self.internal_iter_mut() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_meter_and_hasher`
[INFO] [stderr]    --> src/lru_cache.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     pub fn with_meter_and_hasher(capacity: u64, meter: M, hash_builder: S) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove`
[INFO] [stderr]    --> src/lru_cache.rs:416:5
[INFO] [stderr]     |
[INFO] [stderr] 416 | /     pub fn remove<Q: ?Sized>(&mut self, k: &Q) -> Option<V>
[INFO] [stderr] 417 | |         where K: Borrow<Q>,
[INFO] [stderr] 418 | |               Q: Hash + Eq
[INFO] [stderr] 419 | |     {
[INFO] [stderr] ...   |
[INFO] [stderr] 424 | |             })
[INFO] [stderr] 425 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_capacity`
[INFO] [stderr]    --> src/lru_cache.rs:461:5
[INFO] [stderr]     |
[INFO] [stderr] 461 |     pub fn set_capacity(&mut self, capacity: u64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]    --> src/lru_cache.rs:493:5
[INFO] [stderr]     |
[INFO] [stderr] 493 |     pub fn len(&self) -> usize { self.map.len() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]    --> src/lru_cache.rs:503:5
[INFO] [stderr]     |
[INFO] [stderr] 503 |     pub fn is_empty(&self) -> bool { self.map.is_empty() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]    --> src/lru_cache.rs:506:5
[INFO] [stderr]     |
[INFO] [stderr] 506 |     pub fn clear(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_hasher`
[INFO] [stderr]    --> src/lru_cache.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     pub fn with_hasher(capacity: u64, hash_builder: S) -> LruCache<K, V, S, Count> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_meter_and_hasher`
[INFO] [stderr]    --> src/lru_cache.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     pub fn with_meter_and_hasher(capacity: u64, meter: M, hash_builder: S) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]    --> src/lru_cache.rs:503:5
[INFO] [stderr]     |
[INFO] [stderr] 503 |     pub fn is_empty(&self) -> bool { self.map.is_empty() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "b071cfd06b460a068bd35636dee3ad6167fe8b0e3f4766d13c5c8b3080cf3963"`
[INFO] running `"docker" "rm" "-f" "b071cfd06b460a068bd35636dee3ad6167fe8b0e3f4766d13c5c8b3080cf3963"`
[INFO] [stdout] b071cfd06b460a068bd35636dee3ad6167fe8b0e3f4766d13c5c8b3080cf3963