[INFO] fetching crate crude_cache 0.1.1...
[INFO] checking crude_cache-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate crude_cache 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate crude_cache 0.1.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crude_cache 0.1.1
[INFO] finished tweaking crates.io crate crude_cache 0.1.1
[INFO] tweaked toml for crates.io crate crude_cache 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3ea2ca6e66f053653690de9064811e8df44b3bcd0bba784d14ad9beeab5bba3
[INFO] running `Command { std: "docker" "start" "-a" "d3ea2ca6e66f053653690de9064811e8df44b3bcd0bba784d14ad9beeab5bba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3ea2ca6e66f053653690de9064811e8df44b3bcd0bba784d14ad9beeab5bba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ea2ca6e66f053653690de9064811e8df44b3bcd0bba784d14ad9beeab5bba3", kill_on_drop: false }`
[INFO] [stdout] d3ea2ca6e66f053653690de9064811e8df44b3bcd0bba784d14ad9beeab5bba3
[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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef4b1c4e9e848ffca197e1eae4d0225522b1d66e07d2f052bc876bbe31f50a5
[INFO] running `Command { std: "docker" "start" "-a" "bef4b1c4e9e848ffca197e1eae4d0225522b1d66e07d2f052bc876bbe31f50a5", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking timeit v0.1.2
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking crude_cache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_read_lock` is never used
[INFO] [stdout]   --> src/sharded_map.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<K> ShardedMap<K> 
[INFO] [stdout] 19 | | where
[INFO] [stdout] 20 | |     K: Hash + Eq
[INFO] [stdout]    | |________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |       pub async fn get_read_lock<BK>(&self, key: &BK) -> RwLockReadGuard<'_, Shard<K>>
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> src/crude_cache.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl CrudeCache {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     async fn update<V, F, Fut>(&self, key: &str, expiration: Duration, get: F) -> V 
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] warning: method `get_read_lock` is never used
[INFO] [stdout]   --> src/sharded_map.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<K> ShardedMap<K> 
[INFO] [stdout] 19 | | where
[INFO] [stdout] 20 | |     K: Hash + Eq
[INFO] [stdout]    | |________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |       pub async fn get_read_lock<BK>(&self, key: &BK) -> RwLockReadGuard<'_, Shard<K>>
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> src/crude_cache.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl CrudeCache {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     async fn update<V, F, Fut>(&self, key: &str, expiration: Duration, get: F) -> V 
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "bef4b1c4e9e848ffca197e1eae4d0225522b1d66e07d2f052bc876bbe31f50a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef4b1c4e9e848ffca197e1eae4d0225522b1d66e07d2f052bc876bbe31f50a5", kill_on_drop: false }`
[INFO] [stdout] bef4b1c4e9e848ffca197e1eae4d0225522b1d66e07d2f052bc876bbe31f50a5