[INFO] fetching crate pliron 0.8.0...
[INFO] checking pliron-0.8.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate pliron 0.8.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate pliron 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pliron 0.8.0
[INFO] tweaked toml for crates.io crate pliron 0.8.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pliron 0.8.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pliron 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 365de382482b33ecd851bb0c8d820aff72aaf08f66b62db267985e2b330cea24
[INFO] running `Command { std: "docker" "start" "-a" "365de382482b33ecd851bb0c8d820aff72aaf08f66b62db267985e2b330cea24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "365de382482b33ecd851bb0c8d820aff72aaf08f66b62db267985e2b330cea24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365de382482b33ecd851bb0c8d820aff72aaf08f66b62db267985e2b330cea24", kill_on_drop: false }`
[INFO] [stdout] 365de382482b33ecd851bb0c8d820aff72aaf08f66b62db267985e2b330cea24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02928f22e3e862c974dc84aa115b81f9dbf3d914be7e656bca5a56b2d39686d7
[INFO] running `Command { std: "docker" "start" "-a" "02928f22e3e862c974dc84aa115b81f9dbf3d914be7e656bca5a56b2d39686d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]    Compiling recasting v0.2.1
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling linkme-impl v0.3.32
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]     Checking utf8-chars v3.0.5
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking dissimilar v1.0.10
[INFO] [stderr]    Compiling triple_arena v0.14.0
[INFO] [stderr]     Checking expect-test v1.5.1
[INFO] [stderr]    Compiling awint_internals v0.18.1
[INFO] [stderr]     Checking awint_core v0.18.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking awint_ext v0.18.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking awint_macro_internals v0.18.1
[INFO] [stderr]    Compiling awint_macros v0.18.1
[INFO] [stderr]     Checking awint v0.18.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pliron-derive v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking linkme v0.3.32
[INFO] [stderr]     Checking pliron v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 | /             interruptible::$mutability::walk_op(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 281 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 282 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 283 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 332 |       define_walkers!(&mut Context, mutable);
[INFO] [stdout]     |       -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let _ = interruptible::$mutability::walk_op(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 | /             interruptible::$mutability::walk_op(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 281 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 282 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 283 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 332 |       define_walkers!(&mut Context, mutable);
[INFO] [stdout]     |       -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let _ = interruptible::$mutability::walk_op(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 | /             interruptible::$mutability::walk_region(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 302 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 303 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 304 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 332 |       define_walkers!(&mut Context, mutable);
[INFO] [stdout]     |       -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 301 |             let _ = interruptible::$mutability::walk_region(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 | /             interruptible::$mutability::walk_block(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 323 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 324 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 325 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 332 |       define_walkers!(&mut Context, mutable);
[INFO] [stdout]     |       -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let _ = interruptible::$mutability::walk_block(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 | /             interruptible::$mutability::walk_op(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 281 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 282 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 283 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 337 |       define_walkers!(&Context, immutable);
[INFO] [stdout]     |       ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let _ = interruptible::$mutability::walk_op(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 | /             interruptible::$mutability::walk_region(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 302 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 303 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 304 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 337 |       define_walkers!(&Context, immutable);
[INFO] [stdout]     |       ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 301 |             let _ = interruptible::$mutability::walk_region(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 | /             interruptible::$mutability::walk_block(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 323 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 324 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 325 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 337 |       define_walkers!(&Context, immutable);
[INFO] [stdout]     |       ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let _ = interruptible::$mutability::walk_block(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/symbol_table.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 | /     walk_region(
[INFO] [stdout] 211 | |         ctx,
[INFO] [stdout] 212 | |         &mut StateWithCallback { callback, state },
[INFO] [stdout] 213 | |         &WALKCONFIG_PREORDER_FORWARD,
[INFO] [stdout] 214 | |         symbol_table_op.get_region(ctx),
[INFO] [stdout] 215 | |         skip_nested_symbol_tables_callback,
[INFO] [stdout] 216 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let _ = walk_region(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/uniqued_any.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn get<T: Any + Hash + Eq>(ctx: &Context, key: UniquedKey<T>) -> Ref<T> {
[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] 48 | pub fn get<T: Any + Hash + Eq>(ctx: &Context, key: UniquedKey<T>) -> Ref<'_, T> {
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 | /             interruptible::$mutability::walk_region(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 302 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 303 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 304 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 332 |       define_walkers!(&mut Context, mutable);
[INFO] [stdout]     |       -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 301 |             let _ = interruptible::$mutability::walk_region(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 | /             interruptible::$mutability::walk_block(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 323 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 324 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 325 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 332 |       define_walkers!(&mut Context, mutable);
[INFO] [stdout]     |       -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let _ = interruptible::$mutability::walk_block(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 | /             interruptible::$mutability::walk_op(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 281 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 282 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 283 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 337 |       define_walkers!(&Context, immutable);
[INFO] [stdout]     |       ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let _ = interruptible::$mutability::walk_op(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 | /             interruptible::$mutability::walk_region(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 302 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 303 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 304 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 337 |       define_walkers!(&Context, immutable);
[INFO] [stdout]     |       ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 301 |             let _ = interruptible::$mutability::walk_region(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/graph/walkers.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 | /             interruptible::$mutability::walk_block(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout] 323 | |                 (s.callback)(ctx, s.state, node);
[INFO] [stdout] 324 | |                 interruptible::walk_advance::<()>()
[INFO] [stdout] 325 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout] ...
[INFO] [stdout] 337 |       define_walkers!(&Context, immutable);
[INFO] [stdout]     |       ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `define_walkers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let _ = interruptible::$mutability::walk_block(ctx, &mut s, config, root, |ctx, s, node| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/symbol_table.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 | /     walk_region(
[INFO] [stdout] 211 | |         ctx,
[INFO] [stdout] 212 | |         &mut StateWithCallback { callback, state },
[INFO] [stdout] 213 | |         &WALKCONFIG_PREORDER_FORWARD,
[INFO] [stdout] 214 | |         symbol_table_op.get_region(ctx),
[INFO] [stdout] 215 | |         skip_nested_symbol_tables_callback,
[INFO] [stdout] 216 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let _ = walk_region(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/uniqued_any.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn get<T: Any + Hash + Eq>(ctx: &Context, key: UniquedKey<T>) -> Ref<T> {
[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] 48 | pub fn get<T: Any + Hash + Eq>(ctx: &Context, key: UniquedKey<T>) -> Ref<'_, T> {
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.75s
[INFO] running `Command { std: "docker" "inspect" "02928f22e3e862c974dc84aa115b81f9dbf3d914be7e656bca5a56b2d39686d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02928f22e3e862c974dc84aa115b81f9dbf3d914be7e656bca5a56b2d39686d7", kill_on_drop: false }`
[INFO] [stdout] 02928f22e3e862c974dc84aa115b81f9dbf3d914be7e656bca5a56b2d39686d7