[INFO] fetching crate scoped-gc 0.1.5... [INFO] testing scoped-gc-0.1.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate scoped-gc 0.1.5 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate scoped-gc 0.1.5 [INFO] finished tweaking crates.io crate scoped-gc 0.1.5 [INFO] tweaked toml for crates.io crate scoped-gc 0.1.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate scoped-gc 0.1.5 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6722915b7471e90ddc24d620e01446a860f114103767232b9dca25d0e71cdc6 [INFO] running `Command { std: "docker" "start" "-a" "c6722915b7471e90ddc24d620e01446a860f114103767232b9dca25d0e71cdc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6722915b7471e90ddc24d620e01446a860f114103767232b9dca25d0e71cdc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6722915b7471e90ddc24d620e01446a860f114103767232b9dca25d0e71cdc6", kill_on_drop: false }` [INFO] [stdout] c6722915b7471e90ddc24d620e01446a860f114103767232b9dca25d0e71cdc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b7c0b195b1724251dbc1b7ba3e72d63e491d781c858e97353f6e6074547b8eff [INFO] running `Command { std: "docker" "start" "-a" "b7c0b195b1724251dbc1b7ba3e72d63e491d781c858e97353f6e6074547b8eff", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling scoped-gc v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | fn inner(&self) -> &GcBox; [INFO] [stdout] | ^^^^^ --------- [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 31 | fn inner(&self) -> &GcBox<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | fn inner(&self) -> &GcBox { [INFO] [stdout] | ^^^^^ --------- [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 35 | fn inner(&self) -> &GcBox<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc_ref_cell.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn borrow(&self) -> GcRef { [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] 20 | pub fn borrow(&self) -> GcRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc_ref_cell.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn borrow_mut(&self) -> GcRefMut { [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] 24 | pub fn borrow_mut(&self) -> GcRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "b7c0b195b1724251dbc1b7ba3e72d63e491d781c858e97353f6e6074547b8eff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7c0b195b1724251dbc1b7ba3e72d63e491d781c858e97353f6e6074547b8eff", kill_on_drop: false }` [INFO] [stdout] b7c0b195b1724251dbc1b7ba3e72d63e491d781c858e97353f6e6074547b8eff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 6e36a184ff97286c954d9120139b0d7918fd9bb26f9e6b90324c7011d98f3e15 [INFO] running `Command { std: "docker" "start" "-a" "6e36a184ff97286c954d9120139b0d7918fd9bb26f9e6b90324c7011d98f3e15", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | fn inner(&self) -> &GcBox; [INFO] [stdout] | ^^^^^ --------- [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 31 | fn inner(&self) -> &GcBox<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | fn inner(&self) -> &GcBox { [INFO] [stdout] | ^^^^^ --------- [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 35 | fn inner(&self) -> &GcBox<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc_ref_cell.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn borrow(&self) -> GcRef { [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] 20 | pub fn borrow(&self) -> GcRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling scoped-gc v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc_ref_cell.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn borrow_mut(&self) -> GcRefMut { [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] 24 | pub fn borrow_mut(&self) -> GcRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/test.rs:29:7 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct CircularNamedObject<'a> { [INFO] [stdout] | ------------------- field in this struct [INFO] [stdout] 29 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CircularNamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | fn inner(&self) -> &GcBox; [INFO] [stdout] | ^^^^^ --------- [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 31 | fn inner(&self) -> &GcBox<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | fn inner(&self) -> &GcBox { [INFO] [stdout] | ^^^^^ --------- [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 35 | fn inner(&self) -> &GcBox<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc_ref_cell.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn borrow(&self) -> GcRef { [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] 20 | pub fn borrow(&self) -> GcRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/gc_ref_cell.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn borrow_mut(&self) -> GcRefMut { [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] 24 | pub fn borrow_mut(&self) -> GcRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "6e36a184ff97286c954d9120139b0d7918fd9bb26f9e6b90324c7011d98f3e15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e36a184ff97286c954d9120139b0d7918fd9bb26f9e6b90324c7011d98f3e15", kill_on_drop: false }` [INFO] [stdout] 6e36a184ff97286c954d9120139b0d7918fd9bb26f9e6b90324c7011d98f3e15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 0249019486ffe9edb2d2bb3e471f4c290ce1e1e1b4acf18ec9df15aa37b0103a [INFO] running `Command { std: "docker" "start" "-a" "0249019486ffe9edb2d2bb3e471f4c290ce1e1e1b4acf18ec9df15aa37b0103a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/gc.rs:31:12 [INFO] [stderr] | [INFO] [stderr] 31 | fn inner(&self) -> &GcBox; [INFO] [stderr] | ^^^^^ --------- [INFO] [stderr] | | || [INFO] [stderr] | | |the lifetimes get resolved as `'_` [INFO] [stderr] | | the lifetimes get resolved as `'_` [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 31 | fn inner(&self) -> &GcBox<'_, T>; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/gc.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 35 | fn inner(&self) -> &GcBox { [INFO] [stderr] | ^^^^^ --------- [INFO] [stderr] | | || [INFO] [stderr] | | |the lifetimes get resolved as `'_` [INFO] [stderr] | | the lifetimes get resolved as `'_` [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 35 | fn inner(&self) -> &GcBox<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/gc_ref_cell.rs:20:17 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn borrow(&self) -> GcRef { [INFO] [stderr] | ^^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 20 | pub fn borrow(&self) -> GcRef<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/gc_ref_cell.rs:24:21 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn borrow_mut(&self) -> GcRefMut { [INFO] [stderr] | ^^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 24 | pub fn borrow_mut(&self) -> GcRefMut<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `scoped-gc` (lib) generated 4 warnings (run `cargo fix --lib -p scoped-gc` to apply 4 suggestions) [INFO] [stderr] warning: field `name` is never read [INFO] [stderr] --> src/test.rs:29:7 [INFO] [stderr] | [INFO] [stderr] 28 | pub struct CircularNamedObject<'a> { [INFO] [stderr] | ------------------- field in this struct [INFO] [stderr] 29 | pub name: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `CircularNamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `scoped-gc` (lib test) generated 5 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/scoped_gc-3f5ec1490c3949f4) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test::test_gc_circular ... ok [INFO] [stdout] test test::test_gc_ref ... ok [INFO] [stdout] test test::test_gc ... ok [INFO] [stdout] test test::test_gc_simple ... ok [INFO] [stdout] test test::test_gc_tree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0249019486ffe9edb2d2bb3e471f4c290ce1e1e1b4acf18ec9df15aa37b0103a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0249019486ffe9edb2d2bb3e471f4c290ce1e1e1b4acf18ec9df15aa37b0103a", kill_on_drop: false }` [INFO] [stdout] 0249019486ffe9edb2d2bb3e471f4c290ce1e1e1b4acf18ec9df15aa37b0103a