[INFO] fetching crate lfan 0.2.6...
[INFO] testing lfan-0.2.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate lfan 0.2.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate lfan 0.2.6
[INFO] finished tweaking crates.io crate lfan 0.2.6
[INFO] tweaked toml for crates.io crate lfan 0.2.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lfan 0.2.6 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3e1e3d8a7b133813f1abb78dc67b7896ce052f6c623f4ba9980c5df3652d700
[INFO] running `Command { std: "docker" "start" "-a" "b3e1e3d8a7b133813f1abb78dc67b7896ce052f6c623f4ba9980c5df3652d700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3e1e3d8a7b133813f1abb78dc67b7896ce052f6c623f4ba9980c5df3652d700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e1e3d8a7b133813f1abb78dc67b7896ce052f6c623f4ba9980c5df3652d700", kill_on_drop: false }`
[INFO] [stdout] b3e1e3d8a7b133813f1abb78dc67b7896ce052f6c623f4ba9980c5df3652d700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e549714c0c2dccb8740beae7158a56352b4c93d3ccac539829b159092ec222
[INFO] running `Command { std: "docker" "start" "-a" "75e549714c0c2dccb8740beae7158a56352b4c93d3ccac539829b159092ec222", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling lfan v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Cache` is never used
[INFO] [stdout]  --> src/cache/cache_trait.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Cache {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `insertion_policy`, `eviction_policy`, and `maximum_size` are never read
[INFO] [stdout]   --> src/cache/modular_cache.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ModularCache<K, V, IP, EP>
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     data: HashMap<K, V>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |
[INFO] [stdout] 19 |     insertion_policy: IP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     eviction_policy: EP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     maximum_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `item` and `last_seen` are never read
[INFO] [stdout]   --> src/cache/ttl_cache.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct CacheItem<V> {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 11 |     item: V,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     last_seen: Instant,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_expired` is never used
[INFO] [stdout]   --> src/cache/ttl_cache.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<V> CacheItem<V> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 16 |     pub fn is_expired(&self, ttl: &Duration) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `ttl`, `insertion_policy`, `eviction_policy`, and `maximum_size` are never read
[INFO] [stdout]   --> src/cache/ttl_cache.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct TtlCache<K, V, IP, EP>
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     data: HashMap<K, CacheItem<V>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |     ttl: Duration,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |
[INFO] [stdout] 42 |     insertion_policy: IP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     eviction_policy: EP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |
[INFO] [stdout] 45 |     maximum_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "75e549714c0c2dccb8740beae7158a56352b4c93d3ccac539829b159092ec222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e549714c0c2dccb8740beae7158a56352b4c93d3ccac539829b159092ec222", kill_on_drop: false }`
[INFO] [stdout] 75e549714c0c2dccb8740beae7158a56352b4c93d3ccac539829b159092ec222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e951835776564a19f3295353debd397ad726d4bdd8f221b85f94f1cab107567d
[INFO] running `Command { std: "docker" "start" "-a" "e951835776564a19f3295353debd397ad726d4bdd8f221b85f94f1cab107567d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfan v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Cache` is never used
[INFO] [stdout]  --> src/cache/cache_trait.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Cache {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `insertion_policy`, `eviction_policy`, and `maximum_size` are never read
[INFO] [stdout]   --> src/cache/modular_cache.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ModularCache<K, V, IP, EP>
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     data: HashMap<K, V>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |
[INFO] [stdout] 19 |     insertion_policy: IP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     eviction_policy: EP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     maximum_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `item` and `last_seen` are never read
[INFO] [stdout]   --> src/cache/ttl_cache.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct CacheItem<V> {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 11 |     item: V,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     last_seen: Instant,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_expired` is never used
[INFO] [stdout]   --> src/cache/ttl_cache.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<V> CacheItem<V> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 16 |     pub fn is_expired(&self, ttl: &Duration) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `ttl`, `insertion_policy`, `eviction_policy`, and `maximum_size` are never read
[INFO] [stdout]   --> src/cache/ttl_cache.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct TtlCache<K, V, IP, EP>
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     data: HashMap<K, CacheItem<V>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |     ttl: Duration,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |
[INFO] [stdout] 42 |     insertion_policy: IP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     eviction_policy: EP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |
[INFO] [stdout] 45 |     maximum_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Cache` is never used
[INFO] [stdout]  --> src/cache/cache_trait.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Cache {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `insertion_policy`, `eviction_policy`, and `maximum_size` are never read
[INFO] [stdout]   --> src/cache/modular_cache.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ModularCache<K, V, IP, EP>
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     data: HashMap<K, V>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |
[INFO] [stdout] 19 |     insertion_policy: IP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     eviction_policy: EP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     maximum_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `item` and `last_seen` are never read
[INFO] [stdout]   --> src/cache/ttl_cache.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct CacheItem<V> {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 11 |     item: V,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     last_seen: Instant,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_expired` is never used
[INFO] [stdout]   --> src/cache/ttl_cache.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<V> CacheItem<V> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 16 |     pub fn is_expired(&self, ttl: &Duration) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `ttl`, `insertion_policy`, `eviction_policy`, and `maximum_size` are never read
[INFO] [stdout]   --> src/cache/ttl_cache.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct TtlCache<K, V, IP, EP>
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     data: HashMap<K, CacheItem<V>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |     ttl: Duration,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |
[INFO] [stdout] 42 |     insertion_policy: IP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     eviction_policy: EP,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |
[INFO] [stdout] 45 |     maximum_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "e951835776564a19f3295353debd397ad726d4bdd8f221b85f94f1cab107567d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e951835776564a19f3295353debd397ad726d4bdd8f221b85f94f1cab107567d", kill_on_drop: false }`
[INFO] [stdout] e951835776564a19f3295353debd397ad726d4bdd8f221b85f94f1cab107567d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0a02403e335f4031190a508f274e112fca24c88a9c6710a44272971ef423407
[INFO] running `Command { std: "docker" "start" "-a" "a0a02403e335f4031190a508f274e112fca24c88a9c6710a44272971ef423407", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Cache` is never used
[INFO] [stderr]  --> src/cache/cache_trait.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub trait Cache {
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `data`, `insertion_policy`, `eviction_policy`, and `maximum_size` are never read
[INFO] [stderr]   --> src/cache/modular_cache.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct ModularCache<K, V, IP, EP>
[INFO] [stderr]    |            ------------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 17 |     data: HashMap<K, V>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 18 |
[INFO] [stderr] 19 |     insertion_policy: IP,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 20 |     eviction_policy: EP,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 21 |
[INFO] [stderr] 22 |     maximum_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `item` and `last_seen` are never read
[INFO] [stderr]   --> src/cache/ttl_cache.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct CacheItem<V> {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] 11 |     item: V,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 12 |     last_seen: Instant,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_expired` is never used
[INFO] [stderr]   --> src/cache/ttl_cache.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<V> CacheItem<V> {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] 16 |     pub fn is_expired(&self, ttl: &Duration) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `data`, `ttl`, `insertion_policy`, `eviction_policy`, and `maximum_size` are never read
[INFO] [stderr]   --> src/cache/ttl_cache.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct TtlCache<K, V, IP, EP>
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 38 |     data: HashMap<K, CacheItem<V>>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 39 |
[INFO] [stderr] 40 |     ttl: Duration,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 41 |
[INFO] [stderr] 42 |     insertion_policy: IP,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 |     eviction_policy: EP,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 44 |
[INFO] [stderr] 45 |     maximum_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lfan` (lib) generated 5 warnings
[INFO] [stderr] warning: `lfan` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lfan-a54567bd544af84e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lfan
[INFO] [stdout] running 4 tests
[INFO] [stdout] test policy::evict_lru::tests::eviction_reordering ... ok
[INFO] [stdout] test policy::evict_lru::tests::insert_evict_doesnt_reorder_items ... ok
[INFO] [stdout] test policy::evict_lru::tests::no_op_reordering ... ok
[INFO] [stdout] test policy::insert_always::tests::always_returns_true ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0a02403e335f4031190a508f274e112fca24c88a9c6710a44272971ef423407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a02403e335f4031190a508f274e112fca24c88a9c6710a44272971ef423407", kill_on_drop: false }`
[INFO] [stdout] a0a02403e335f4031190a508f274e112fca24c88a9c6710a44272971ef423407
