[INFO] fetching crate cascara 0.1.1...
[INFO] testing cascara-0.1.1 against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] extracting crate cascara 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cascara 0.1.1
[INFO] finished tweaking crates.io crate cascara 0.1.1
[INFO] tweaked toml for crates.io crate cascara 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cascara 0.1.1 on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.14.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4439be02005da9f22b3b442f524e9a28e0442a78562bcb54c69196c7e1d2638
[INFO] running `Command { std: "docker" "start" "-a" "e4439be02005da9f22b3b442f524e9a28e0442a78562bcb54c69196c7e1d2638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4439be02005da9f22b3b442f524e9a28e0442a78562bcb54c69196c7e1d2638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4439be02005da9f22b3b442f524e9a28e0442a78562bcb54c69196c7e1d2638", kill_on_drop: false }`
[INFO] [stdout] e4439be02005da9f22b3b442f524e9a28e0442a78562bcb54c69196c7e1d2638
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7406ae8efd9285bdf4688f4373522c76a7619d936bbcb99bff91eaaa10eefde
[INFO] running `Command { std: "docker" "start" "-a" "f7406ae8efd9285bdf4688f4373522c76a7619d936bbcb99bff91eaaa10eefde", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling probabilistic-collections v0.7.0
[INFO] [stderr]    Compiling cascara v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `update` and `is_empty` are never used
[INFO] [stdout]   --> src/ttl.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Expiration {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn update(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache.rs:671:17
[INFO] [stdout]     |
[INFO] [stdout] 671 |     pub fn iter(&self) -> Iter<K, V, S> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 671 |     pub fn iter(&self) -> Iter<'_, K, V, S> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/store.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn keys(&self) -> Keys<u64, Item<K, V>>;
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn keys(&self) -> Keys<'_, u64, Item<K, V>>;
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/store.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn keys(&self) -> Keys<u64, Item<K, V>> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn keys(&self) -> Keys<'_, u64, Item<K, V>> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "f7406ae8efd9285bdf4688f4373522c76a7619d936bbcb99bff91eaaa10eefde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7406ae8efd9285bdf4688f4373522c76a7619d936bbcb99bff91eaaa10eefde", kill_on_drop: false }`
[INFO] [stdout] f7406ae8efd9285bdf4688f4373522c76a7619d936bbcb99bff91eaaa10eefde
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1788b4bf2333b8fc1b02d8e04766d593d399d78759ab82896f0dcc5850b5294
[INFO] running `Command { std: "docker" "start" "-a" "b1788b4bf2333b8fc1b02d8e04766d593d399d78759ab82896f0dcc5850b5294", kill_on_drop: false }`
[INFO] [stderr]    Compiling cascara v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `update` and `is_empty` are never used
[INFO] [stdout]   --> src/ttl.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Expiration {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn update(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache.rs:671:17
[INFO] [stdout]     |
[INFO] [stdout] 671 |     pub fn iter(&self) -> Iter<K, V, S> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 671 |     pub fn iter(&self) -> Iter<'_, K, V, S> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/store.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn keys(&self) -> Keys<u64, Item<K, V>>;
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn keys(&self) -> Keys<'_, u64, Item<K, V>>;
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/store.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn keys(&self) -> Keys<u64, Item<K, V>> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn keys(&self) -> Keys<'_, u64, Item<K, V>> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache.rs:671:17
[INFO] [stdout]     |
[INFO] [stdout] 671 |     pub fn iter(&self) -> Iter<K, V, S> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 671 |     pub fn iter(&self) -> Iter<'_, K, V, S> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/store.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn keys(&self) -> Keys<u64, Item<K, V>>;
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn keys(&self) -> Keys<'_, u64, Item<K, V>>;
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/store.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn keys(&self) -> Keys<u64, Item<K, V>> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn keys(&self) -> Keys<'_, u64, Item<K, V>> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "b1788b4bf2333b8fc1b02d8e04766d593d399d78759ab82896f0dcc5850b5294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1788b4bf2333b8fc1b02d8e04766d593d399d78759ab82896f0dcc5850b5294", kill_on_drop: false }`
[INFO] [stdout] b1788b4bf2333b8fc1b02d8e04766d593d399d78759ab82896f0dcc5850b5294
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23481f50d9cf0124eca5f7ff66ebe5d3a616fae8368a4d5a909cfd4988a9e31c
[INFO] running `Command { std: "docker" "start" "-a" "23481f50d9cf0124eca5f7ff66ebe5d3a616fae8368a4d5a909cfd4988a9e31c", kill_on_drop: false }`
[INFO] [stderr] warning: methods `update` and `is_empty` are never used
[INFO] [stdout] 
[INFO] [stderr]   --> src/ttl.rs:49:8
[INFO] [stdout] running 57 tests
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub trait Expiration {
[INFO] [stderr]    |           ---------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 49 |     fn update(
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 91 |     fn is_empty(&self) -> bool;
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/cache.rs:671:17
[INFO] [stderr]     |
[INFO] [stderr] 671 |     pub fn iter(&self) -> Iter<K, V, S> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 671 |     pub fn iter(&self) -> Iter<'_, K, V, S> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/store.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn keys(&self) -> Keys<u64, Item<K, V>>;
[INFO] [stderr]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn keys(&self) -> Keys<'_, u64, Item<K, V>>;
[INFO] [stderr]     |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/store.rs:292:13
[INFO] [stderr]     |
[INFO] [stderr] 292 |     fn keys(&self) -> Keys<u64, Item<K, V>> {
[INFO] [stderr]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 292 |     fn keys(&self) -> Keys<'_, u64, Item<K, V>> {
[INFO] [stderr]     |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `cascara` (lib) generated 4 warnings (run `cargo fix --lib -p cascara` to apply 3 suggestions)
[INFO] [stderr] warning: `cascara` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cascara-a5310c8103b91e85)
[INFO] [stdout] test cache::tests::estimate ... ok
[INFO] [stdout] test cache::tests::contains ... ok
[INFO] [stdout] test cache::tests::insert_without_victim ... ok
[INFO] [stdout] test cache::tests::capacity ... ok
[INFO] [stdout] test cache::tests::clear ... ok
[INFO] [stdout] test cache::tests::insert_with_ttl ... ok
[INFO] [stdout] test cache::tests::insert_with_victim ... ok
[INFO] [stdout] test cache::tests::room_left ... ok
[INFO] [stdout] test cache::tests::insert ... ok
[INFO] [stdout] test cache::tests::remove ... ok
[INFO] [stdout] test cache::tests::is_empty ... ok
[INFO] [stdout] test cache::tests::update ... ok
[INFO] [stdout] test metrics::tests::keys_inserted ... ok
[INFO] [stdout] test metrics::tests::keys_updated ... ok
[INFO] [stdout] test metrics::tests::clear ... ok
[INFO] [stdout] test iter::tests::iter ... ok
[INFO] [stdout] test metrics::tests::debug ... ok
[INFO] [stdout] test metrics::tests::get ... ok
[INFO] [stdout] test metrics::tests::hits ... ok
[INFO] [stdout] test metrics::tests::keys_evicted ... ok
[INFO] [stdout] test metrics::tests::ratio ... ok
[INFO] [stdout] test metrics::tests::metric_types ... ok
[INFO] [stdout] test metrics::tests::misses ... ok
[INFO] [stdout] test store::tests::keys ... ok
[INFO] [stdout] test store::tests::get_mut_not_expired_items ... ok
[INFO] [stdout] test store::tests::deref ... ok
[INFO] [stdout] test store::tests::get_mut ... ok
[INFO] [stdout] test store::tests::clear ... ok
[INFO] [stdout] test store::tests::room_left ... ok
[INFO] [stdout] test store::tests::sample_cmp ... ok
[INFO] [stdout] test store::tests::no_sample ... ok
[INFO] [stdout] test store::tests::min_sample ... ok
[INFO] [stdout] test store::tests::set_and_get ... ok
[INFO] [stdout] test store::tests::remove ... ok
[INFO] [stdout] test store::tests::some_sample ... ok
[INFO] [stdout] test store::tests::sample_partial_cmp ... ok
[INFO] [stdout] test tiny_lfu::tests::estimate ... ok
[INFO] [stdout] test store::tests::sample_eq ... ok
[INFO] [stdout] test tiny_lfu::tests::increment ... ok
[INFO] [stdout] test ttl::tests::clear ... ok
[INFO] [stdout] test ttl::tests::do_not_register_zero_duration ... ok
[INFO] [stdout] test ttl::tests::insert_and_remove ... ok
[INFO] [stdout] test ttl::tests::remove ... ok
[INFO] [stdout] test ttl::tests::remove_not_existing ... ok
[INFO] [stdout] test tiny_lfu::tests::clear ... ok
[INFO] [stdout] test ttl::tests::update ... ok
[INFO] [stdout] test store::tests::get_not_expired_items ... ok
[INFO] [stdout] test store::tests::hash ... ok
[INFO] [stdout] test cache::tests::reject_insert ... FAILED
[INFO] [stdout] test cache::tests::cleanup_with_evict ... ok
[INFO] [stdout] test store::tests::do_not_get_expired_items ... ok
[INFO] [stdout] test store::tests::do_not_get_mut_expired_items ... ok
[INFO] [stdout] test store::tests::cleanup ... ok
[INFO] [stdout] test cache::tests::cleanup_before_insert ... ok
[INFO] [stdout] test ttl::tests::cleanup ... ok
[INFO] [stdout] test ttl::tests::cleanup_unordered ... ok
[INFO] [stdout] test store::tests::update_with_ttl ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- cache::tests::reject_insert stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'cache::tests::reject_insert' (29) panicked at src/cache.rs:795:13:
[INFO] [stdout] assertion failed: cache.contains(&1)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63166d4c5baa - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63166d4c5baa - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63166d4c5baa - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x63166d4c5baa - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x63166d4da64a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x63166d4da64a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x63166d4ca4e2 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x63166d4ca4e2 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x63166d4a495f - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x63166d4a495f - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x63166d4bded9 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x63166d3e7bbc - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x63166d3e7bbc - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x63166d4be092 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x63166d4be092 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x63166d4a4a4a - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x63166d499bf9 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x63166d4a572d - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x63166d4dad9c - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x63166d4dad62 - core[d17f6591d688f3bd]::panicking::panic
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x63166d3c5de5 - cascara[38e6c89f5548aa08]::cache::tests::reject_insert
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cache.rs:795:13
[INFO] [stdout]   21:     0x63166d3c34c7 - cascara[38e6c89f5548aa08]::cache::tests::reject_insert::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cache.rs:788:23
[INFO] [stdout]   22:     0x63166d3c1136 - <cascara[38e6c89f5548aa08]::cache::tests::reject_insert::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x63166d3dae9b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x63166d3dae9b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   25:     0x63166d3e868b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   26:     0x63166d3e868b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x63166d3e868b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x63166d3e868b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x63166d3e868b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x63166d3e868b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   31:     0x63166d3e868b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   32:     0x63166d3e1da4 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   33:     0x63166d3e1da4 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x63166d3eb292 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x63166d3eb292 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x63166d3eb292 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x63166d3eb292 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x63166d3eb292 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x63166d3eb292 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x63166d3eb292 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x63166d4c54bf - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   42:     0x63166d4c54bf - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x7ac3a688baa4 - <unknown>
[INFO] [stdout]   44:     0x7ac3a6918a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     cache::tests::reject_insert
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 56 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "23481f50d9cf0124eca5f7ff66ebe5d3a616fae8368a4d5a909cfd4988a9e31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23481f50d9cf0124eca5f7ff66ebe5d3a616fae8368a4d5a909cfd4988a9e31c", kill_on_drop: false }`
[INFO] [stdout] 23481f50d9cf0124eca5f7ff66ebe5d3a616fae8368a4d5a909cfd4988a9e31c
