[INFO] fetching crate polodb_bson 2.0.0... [INFO] checking polodb_bson-2.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate polodb_bson 2.0.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate polodb_bson 2.0.0 [INFO] finished tweaking crates.io crate polodb_bson 2.0.0 [INFO] tweaked toml for crates.io crate polodb_bson 2.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate polodb_bson 2.0.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding getrandom v0.2.16 (available: v0.3.3) [INFO] [stderr] Adding hashbrown v0.11.2 (available: v0.15.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2a2fa10271be1cfba3019a7488b911a61185e2eb08e3f5e284d924de4f241e2 [INFO] running `Command { std: "docker" "start" "-a" "d2a2fa10271be1cfba3019a7488b911a61185e2eb08e3f5e284d924de4f241e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2a2fa10271be1cfba3019a7488b911a61185e2eb08e3f5e284d924de4f241e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2a2fa10271be1cfba3019a7488b911a61185e2eb08e3f5e284d924de4f241e2", kill_on_drop: false }` [INFO] [stdout] d2a2fa10271be1cfba3019a7488b911a61185e2eb08e3f5e284d924de4f241e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 684794f04807e369e3e31c6be9b25051eaacad4b5368bd7c0ea04a2958462c5c [INFO] running `Command { std: "docker" "start" "-a" "684794f04807e369e3e31c6be9b25051eaacad4b5368bd7c0ea04a2958462c5c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking rmp v0.8.14 [INFO] [stderr] Checking polodb_bson v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `clippy` [INFO] [stdout] --> linked_hash_map/mod.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "clippy", feature(plugin))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `clippy` [INFO] [stdout] --> linked_hash_map/mod.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | #![cfg_attr(feature = "clippy", plugin(clippy))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `clippy` [INFO] [stdout] --> linked_hash_map/mod.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | #![cfg_attr(feature = "clippy", deny(clippy))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly` [INFO] [stdout] --> linked_hash_map/mod.rs:1268:11 [INFO] [stdout] | [INFO] [stdout] 1268 | #[cfg(all(feature = "nightly", test))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `clippy` [INFO] [stdout] --> linked_hash_map/mod.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "clippy", feature(plugin))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `clippy` [INFO] [stdout] --> linked_hash_map/mod.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | #![cfg_attr(feature = "clippy", plugin(clippy))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `clippy` [INFO] [stdout] --> linked_hash_map/mod.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | #![cfg_attr(feature = "clippy", deny(clippy))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly` [INFO] [stdout] --> linked_hash_map/mod.rs:1268:11 [INFO] [stdout] | [INFO] [stdout] 1268 | #[cfg(all(feature = "nightly", test))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> document.rs:359:17 [INFO] [stdout] | [INFO] [stdout] 359 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 359 | pub fn iter(&self) -> Iter<'_, String, Value> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> array.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> linked_hash_map/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | Box::from_raw(cur); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 115 | let _ = Box::from_raw(cur); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:199:18 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn entry(&mut self, k: K) -> Entry { [INFO] [stdout] | ^^^^^^^^^ -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 199 | pub fn entry(&mut self, k: K) -> Entry<'_, K, V, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:238:20 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn entries(&mut self) -> Entries { [INFO] [stdout] | ^^^^^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 238 | pub fn entries(&mut self) -> Entries<'_, K, V, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:567:17 [INFO] [stdout] | [INFO] [stdout] 567 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 567 | pub fn iter(&self) -> Iter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:601:21 [INFO] [stdout] | [INFO] [stdout] 601 | pub fn iter_mut(&mut self) -> IterMut { [INFO] [stdout] | ^^^^^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 601 | pub fn iter_mut(&mut self) -> IterMut<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:632:17 [INFO] [stdout] | [INFO] [stdout] 632 | pub fn keys(&self) -> Keys { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 632 | pub fn keys(&self) -> Keys<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:653:19 [INFO] [stdout] | [INFO] [stdout] 653 | pub fn values(&self) -> Values { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 653 | pub fn values(&self) -> Values<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> linked_hash_map/mod.rs:1017:17 [INFO] [stdout] | [INFO] [stdout] 1017 | Box::from_raw(self.tail); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1017 | let _ = Box::from_raw(self.tail); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> document.rs:359:17 [INFO] [stdout] | [INFO] [stdout] 359 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 359 | pub fn iter(&self) -> Iter<'_, String, Value> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> array.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 47 | pub fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> linked_hash_map/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | Box::from_raw(cur); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 115 | let _ = Box::from_raw(cur); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:199:18 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn entry(&mut self, k: K) -> Entry { [INFO] [stdout] | ^^^^^^^^^ -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 199 | pub fn entry(&mut self, k: K) -> Entry<'_, K, V, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:238:20 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn entries(&mut self) -> Entries { [INFO] [stdout] | ^^^^^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 238 | pub fn entries(&mut self) -> Entries<'_, K, V, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:567:17 [INFO] [stdout] | [INFO] [stdout] 567 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 567 | pub fn iter(&self) -> Iter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:601:21 [INFO] [stdout] | [INFO] [stdout] 601 | pub fn iter_mut(&mut self) -> IterMut { [INFO] [stdout] | ^^^^^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 601 | pub fn iter_mut(&mut self) -> IterMut<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:632:17 [INFO] [stdout] | [INFO] [stdout] 632 | pub fn keys(&self) -> Keys { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 632 | pub fn keys(&self) -> Keys<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> linked_hash_map/mod.rs:653:19 [INFO] [stdout] | [INFO] [stdout] 653 | pub fn values(&self) -> Values { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 653 | pub fn values(&self) -> Values<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> linked_hash_map/mod.rs:1017:17 [INFO] [stdout] | [INFO] [stdout] 1017 | Box::from_raw(self.tail); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1017 | let _ = Box::from_raw(self.tail); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s [INFO] running `Command { std: "docker" "inspect" "684794f04807e369e3e31c6be9b25051eaacad4b5368bd7c0ea04a2958462c5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "684794f04807e369e3e31c6be9b25051eaacad4b5368bd7c0ea04a2958462c5c", kill_on_drop: false }` [INFO] [stdout] 684794f04807e369e3e31c6be9b25051eaacad4b5368bd7c0ea04a2958462c5c