[INFO] fetching crate lifeguard 0.6.1...
[INFO] testing lifeguard-0.6.1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate lifeguard 0.6.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate lifeguard 0.6.1
[INFO] finished tweaking crates.io crate lifeguard 0.6.1
[INFO] tweaked toml for crates.io crate lifeguard 0.6.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lifeguard 0.6.1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbe3dc9d30a569853f6283e5e769c0edf588db27e58c91811d24115363a84ab0
[INFO] running `Command { std: "docker" "start" "-a" "fbe3dc9d30a569853f6283e5e769c0edf588db27e58c91811d24115363a84ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbe3dc9d30a569853f6283e5e769c0edf588db27e58c91811d24115363a84ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe3dc9d30a569853f6283e5e769c0edf588db27e58c91811d24115363a84ab0", kill_on_drop: false }`
[INFO] [stdout] fbe3dc9d30a569853f6283e5e769c0edf588db27e58c91811d24115363a84ab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abecc1238b514ac13390a11756893d43967b06c39e18cfeee2f21c4d830f968d
[INFO] running `Command { std: "docker" "start" "-a" "abecc1238b514ac13390a11756893d43967b06c39e18cfeee2f21c4d830f968d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling lifeguard v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:607:25
[INFO] [stdout]     |
[INFO] [stdout] 607 |     fn set_option(self, T) -> T;
[INFO] [stdout]     |                         ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_from` are never used
[INFO] [stdout]    --> src/lib.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |   impl <'a, T> $typ where T: Recycleable {
[INFO] [stdout]     |   -------------------------------------- associated functions in this implementation
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_recycled` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_from` are never used
[INFO] [stdout]    --> src/lib.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |   impl <'a, T> $typ where T: Recycleable {
[INFO] [stdout]     |   -------------------------------------- associated functions in this implementation
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_recycled` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:495:14
[INFO] [stdout]     |
[INFO] [stdout] 495 |   pub fn new(&self) -> Recycled<T> {
[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] 495 |   pub fn new(&self) -> Recycled<'_, T> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:505:22
[INFO] [stdout]     |
[INFO] [stdout] 505 |   pub fn new_from<A>(&self, source: A) -> Recycled<T> where T: InitializeWith<A> {
[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] 505 |   pub fn new_from<A>(&self, source: A) -> Recycled<'_, T> where T: InitializeWith<A> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:513:17
[INFO] [stdout]     |
[INFO] [stdout] 513 |   pub fn attach(&self, value: T) -> Recycled<T> {
[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] 513 |   pub fn attach(&self, value: T) -> Recycled<'_, 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" "abecc1238b514ac13390a11756893d43967b06c39e18cfeee2f21c4d830f968d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abecc1238b514ac13390a11756893d43967b06c39e18cfeee2f21c4d830f968d", kill_on_drop: false }`
[INFO] [stdout] abecc1238b514ac13390a11756893d43967b06c39e18cfeee2f21c4d830f968d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cfbbb124649c2778477158335706fb0d1f61b36077b871a268f79447003b641
[INFO] running `Command { std: "docker" "start" "-a" "1cfbbb124649c2778477158335706fb0d1f61b36077b871a268f79447003b641", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:607:25
[INFO] [stdout]     |
[INFO] [stdout] 607 |     fn set_option(self, T) -> T;
[INFO] [stdout]     |                         ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_from` are never used
[INFO] [stdout]    --> src/lib.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |   impl <'a, T> $typ where T: Recycleable {
[INFO] [stdout]     |   -------------------------------------- associated functions in this implementation
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_recycled` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_from` are never used
[INFO] [stdout]    --> src/lib.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |   impl <'a, T> $typ where T: Recycleable {
[INFO] [stdout]     |   -------------------------------------- associated functions in this implementation
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_recycled` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:495:14
[INFO] [stdout]     |
[INFO] [stdout] 495 |   pub fn new(&self) -> Recycled<T> {
[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] 495 |   pub fn new(&self) -> Recycled<'_, T> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:505:22
[INFO] [stdout]     |
[INFO] [stdout] 505 |   pub fn new_from<A>(&self, source: A) -> Recycled<T> where T: InitializeWith<A> {
[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] 505 |   pub fn new_from<A>(&self, source: A) -> Recycled<'_, T> where T: InitializeWith<A> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lifeguard v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:513:17
[INFO] [stdout]     |
[INFO] [stdout] 513 |   pub fn attach(&self, value: T) -> Recycled<T> {
[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] 513 |   pub fn attach(&self, value: T) -> Recycled<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:607:25
[INFO] [stdout]     |
[INFO] [stdout] 607 |     fn set_option(self, T) -> T;
[INFO] [stdout]     |                         ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_from` are never used
[INFO] [stdout]    --> src/lib.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |   impl <'a, T> $typ where T: Recycleable {
[INFO] [stdout]     |   -------------------------------------- associated functions in this implementation
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_recycled` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_from` are never used
[INFO] [stdout]    --> src/lib.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |   impl <'a, T> $typ where T: Recycleable {
[INFO] [stdout]     |   -------------------------------------- associated functions in this implementation
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_recycled` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:495:14
[INFO] [stdout]     |
[INFO] [stdout] 495 |   pub fn new(&self) -> Recycled<T> {
[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] 495 |   pub fn new(&self) -> Recycled<'_, T> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:505:22
[INFO] [stdout]     |
[INFO] [stdout] 505 |   pub fn new_from<A>(&self, source: A) -> Recycled<T> where T: InitializeWith<A> {
[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] 505 |   pub fn new_from<A>(&self, source: A) -> Recycled<'_, T> where T: InitializeWith<A> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:513:17
[INFO] [stdout]     |
[INFO] [stdout] 513 |   pub fn attach(&self, value: T) -> Recycled<T> {
[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] 513 |   pub fn attach(&self, value: T) -> Recycled<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "1cfbbb124649c2778477158335706fb0d1f61b36077b871a268f79447003b641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfbbb124649c2778477158335706fb0d1f61b36077b871a268f79447003b641", kill_on_drop: false }`
[INFO] [stdout] 1cfbbb124649c2778477158335706fb0d1f61b36077b871a268f79447003b641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77466acace9b81ef5e896d30347735b9885962d06b2a9182d27cccd1bc5ea4bb
[INFO] running `Command { std: "docker" "start" "-a" "77466acace9b81ef5e896d30347735b9885962d06b2a9182d27cccd1bc5ea4bb", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/lib.rs:607:25
[INFO] [stderr]     |
[INFO] [stderr] 607 |     fn set_option(self, T) -> T;
[INFO] [stderr]     |                         ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `new_from` are never used
[INFO] [stderr]    --> src/lib.rs:167:8
[INFO] [stderr]     |
[INFO] [stderr] 166 |   impl <'a, T> $typ where T: Recycleable {
[INFO] [stderr]     |   -------------------------------------- associated functions in this implementation
[INFO] [stderr] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_recycled` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `new_from` are never used
[INFO] [stderr]    --> src/lib.rs:167:8
[INFO] [stderr]     |
[INFO] [stderr] 166 |   impl <'a, T> $typ where T: Recycleable {
[INFO] [stderr]     |   -------------------------------------- associated functions in this implementation
[INFO] [stderr] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_recycled` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:495:14
[INFO] [stderr]     |
[INFO] [stderr] 495 |   pub fn new(&self) -> Recycled<T> {
[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] 495 |   pub fn new(&self) -> Recycled<'_, T> {
[INFO] [stderr]     |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:505:22
[INFO] [stderr]     |
[INFO] [stderr] 505 |   pub fn new_from<A>(&self, source: A) -> Recycled<T> where T: InitializeWith<A> {
[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] 505 |   pub fn new_from<A>(&self, source: A) -> Recycled<'_, T> where T: InitializeWith<A> {
[INFO] [stderr]     |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:513:17
[INFO] [stderr]     |
[INFO] [stderr] 513 |   pub fn attach(&self, value: T) -> Recycled<T> {
[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] 513 |   pub fn attach(&self, value: T) -> Recycled<'_, T> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `lifeguard` (lib) generated 6 warnings (run `cargo fix --lib -p lifeguard` to apply 4 suggestions)
[INFO] [stderr] warning: `lifeguard` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lifeguard-cbb2b34f2088dd24)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-90af5b356e61bc86)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::test_attach_rc ... ok
[INFO] [stdout] test tests::test_as_ref ... ok
[INFO] [stdout] test tests::test_builder ... ok
[INFO] [stdout] test tests::test_as_mut ... ok
[INFO] [stdout] test tests::test_as_mut_rc ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_deref ... ok
[INFO] [stdout] test tests::test_deref_mut ... ok
[INFO] [stdout] test tests::test_as_ref_rc ... ok
[INFO] [stdout] test tests::test_deref_rc ... ok
[INFO] [stdout] test tests::test_detach ... ok
[INFO] [stdout] test tests::test_detach_rc ... ok
[INFO] [stdout] test tests::test_new_from_iter ... ok
[INFO] [stdout] test tests::test_rc_clone ... ok
[INFO] [stdout] test tests::test_recycle ... ok
[INFO] [stdout] test tests::test_recycle_rc ... ok
[INFO] [stdout] test tests::test_deref_mut_rc ... ok
[INFO] [stdout] test tests::test_attach ... ok
[INFO] [stdout] test tests::test_size_cap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lifeguard
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - pool (line 560) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77466acace9b81ef5e896d30347735b9885962d06b2a9182d27cccd1bc5ea4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77466acace9b81ef5e896d30347735b9885962d06b2a9182d27cccd1bc5ea4bb", kill_on_drop: false }`
[INFO] [stdout] 77466acace9b81ef5e896d30347735b9885962d06b2a9182d27cccd1bc5ea4bb
