[INFO] fetching crate singleton-manager 0.1.4...
[INFO] testing singleton-manager-0.1.4 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate singleton-manager 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate singleton-manager 0.1.4
[INFO] finished tweaking crates.io crate singleton-manager 0.1.4
[INFO] tweaked toml for crates.io crate singleton-manager 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate singleton-manager 0.1.4 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a79ba0c4da5f989f194d6e70283d03d0576d2c2f205343c57c22cbecafe7c6c9
[INFO] running `Command { std: "docker" "start" "-a" "a79ba0c4da5f989f194d6e70283d03d0576d2c2f205343c57c22cbecafe7c6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a79ba0c4da5f989f194d6e70283d03d0576d2c2f205343c57c22cbecafe7c6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79ba0c4da5f989f194d6e70283d03d0576d2c2f205343c57c22cbecafe7c6c9", kill_on_drop: false }`
[INFO] [stdout] a79ba0c4da5f989f194d6e70283d03d0576d2c2f205343c57c22cbecafe7c6c9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1464cd1ff880d6ab395816941f30bf623ff09742c61aab66f101092a1a2e490d
[INFO] running `Command { std: "docker" "start" "-a" "1464cd1ff880d6ab395816941f30bf623ff09742c61aab66f101092a1a2e490d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling uuid v1.23.1
[INFO] [stderr]    Compiling singleton-manager v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             ONCE.call_once(|| INSTANCE = Cell::new(Some(SingletonManager::new())));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |             match *INSTANCE.as_ptr() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:342:65
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                       ------- the lifetime is named here        ^^^^^^^^^^^^^^^^^ the same 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: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:381:59
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                 ------- the lifetime is named here        ^^^^^^^^^^^^^^^^^ the same 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: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "1464cd1ff880d6ab395816941f30bf623ff09742c61aab66f101092a1a2e490d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1464cd1ff880d6ab395816941f30bf623ff09742c61aab66f101092a1a2e490d", kill_on_drop: false }`
[INFO] [stdout] 1464cd1ff880d6ab395816941f30bf623ff09742c61aab66f101092a1a2e490d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79a8a7baddf1bcf727c16fb237973e35cfe9a6f88e470f344bfb93b4bc4d719f
[INFO] running `Command { std: "docker" "start" "-a" "79a8a7baddf1bcf727c16fb237973e35cfe9a6f88e470f344bfb93b4bc4d719f", kill_on_drop: false }`
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             ONCE.call_once(|| INSTANCE = Cell::new(Some(SingletonManager::new())));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |             match *INSTANCE.as_ptr() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:342:65
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                       ------- the lifetime is named here        ^^^^^^^^^^^^^^^^^ the same 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: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:381:59
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                 ------- the lifetime is named here        ^^^^^^^^^^^^^^^^^ the same 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: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling singleton-manager v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]    --> src/lib.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |     use std::ops::Deref;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             ONCE.call_once(|| INSTANCE = Cell::new(Some(SingletonManager::new())));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |             match *INSTANCE.as_ptr() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:342:65
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                       ------- the lifetime is named here        ^^^^^^^^^^^^^^^^^ the same 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: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:381:59
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                 ------- the lifetime is named here        ^^^^^^^^^^^^^^^^^ the same 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: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "79a8a7baddf1bcf727c16fb237973e35cfe9a6f88e470f344bfb93b4bc4d719f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a8a7baddf1bcf727c16fb237973e35cfe9a6f88e470f344bfb93b4bc4d719f", kill_on_drop: false }`
[INFO] [stdout] 79a8a7baddf1bcf727c16fb237973e35cfe9a6f88e470f344bfb93b4bc4d719f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a42d4c70d6c9d042fa46167e9ace8a1b4de9ad98e3ed7256fb464e02a127412
[INFO] running `Command { std: "docker" "start" "-a" "9a42d4c70d6c9d042fa46167e9ace8a1b4de9ad98e3ed7256fb464e02a127412", kill_on_drop: false }`
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]    --> src/lib.rs:174:13
[INFO] [stderr]     |
[INFO] [stderr] 174 |             ONCE.call_once(|| INSTANCE = Cell::new(Some(SingletonManager::new())));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]     |
[INFO] [stderr]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]    --> src/lib.rs:175:20
[INFO] [stderr]     |
[INFO] [stderr] 175 |             match *INSTANCE.as_ptr() {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]     |
[INFO] [stderr]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:342:65
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stderr]     |                       ------- the lifetime is named here        ^^^^^^^^^^^^^^^^^ the same 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: consistently use `'static`
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stderr]     |                                                                  +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:381:59
[INFO] [stderr]     |
[INFO] [stderr] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stderr]     |                 ------- the lifetime is named here        ^^^^^^^^^^^^^^^^^ the same 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: consistently use `'static`
[INFO] [stderr]     |
[INFO] [stderr] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stderr]     |                                                            +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `singleton-manager` (lib) generated 4 warnings (run `cargo fix --lib -p singleton-manager` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]    --> src/lib.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 |     use std::ops::Deref;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `singleton-manager` (lib test) generated 5 warnings (4 duplicates) (run `cargo fix --lib -p singleton-manager --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/singleton_manager-a8c2acd21d85bf54)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::set_get_singleton ... ok
[INFO] [stdout] test test::set_singleton ... ok
[INFO] [stdout] test test::test_instance ... ok
[INFO] [stdout] test test::test_setting_and_getting_from_example_default_factory ... ok
[INFO] [stdout] test test::test_setting_and_getting_from_example_factory ... ok
[INFO] [stdout] test test::test_setting_and_getting_from_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests singleton_manager
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - SingletonManager::instance (line 166) ... ok
[INFO] [stdout] test src/lib.rs - Error (line 130) ... ok
[INFO] [stdout] test src/lib.rs - SingletonManager::get (line 280) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - SingletonManager::provide (line 195) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a42d4c70d6c9d042fa46167e9ace8a1b4de9ad98e3ed7256fb464e02a127412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a42d4c70d6c9d042fa46167e9ace8a1b4de9ad98e3ed7256fb464e02a127412", kill_on_drop: false }`
[INFO] [stdout] 9a42d4c70d6c9d042fa46167e9ace8a1b4de9ad98e3ed7256fb464e02a127412
