[INFO] fetching crate singleton-manager 0.1.4...
[INFO] fixing singleton-manager-0.1.4 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate singleton-manager 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate singleton-manager 0.1.4 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1d42c2b964b91535c839a7d07b6970c5877bf99c033f9f2b9eeab7edacfe69b7
[INFO] running `Command { std: "docker" "start" "1d42c2b964b91535c839a7d07b6970c5877bf99c033f9f2b9eeab7edacfe69b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1d42c2b964b91535c839a7d07b6970c5877bf99c033f9f2b9eeab7edacfe69b7" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d42c2b964b91535c839a7d07b6970c5877bf99c033f9f2b9eeab7edacfe69b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1d42c2b964b91535c839a7d07b6970c5877bf99c033f9f2b9eeab7edacfe69b7" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.4.3
[INFO] [stderr]     Checking uuid v1.23.3
[INFO] [stderr]     Checking 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] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  70 - static mut ONCE: Once = Once::new();
[INFO] [stdout]  70 + static ONCE: Once = Once::new();
[INFO] [stdout]     |
[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] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  69 - static mut INSTANCE: Cell<Option<SingletonManager>> = Cell::new(None);
[INFO] [stdout]  69 + static INSTANCE: Cell<Option<SingletonManager>> = Cell::new(None);
[INFO] [stdout]     |
[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] [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] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  70 - static mut ONCE: Once = Once::new();
[INFO] [stdout]  70 + static ONCE: Once = Once::new();
[INFO] [stdout]     |
[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] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout]  69 - static mut INSTANCE: Cell<Option<SingletonManager>> = Cell::new(None);
[INFO] [stdout]  69 + static INSTANCE: Cell<Option<SingletonManager>> = Cell::new(None);
[INFO] [stdout]     |
[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 0.53s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "1d42c2b964b91535c839a7d07b6970c5877bf99c033f9f2b9eeab7edacfe69b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d42c2b964b91535c839a7d07b6970c5877bf99c033f9f2b9eeab7edacfe69b7", kill_on_drop: false }`
[INFO] [stdout] 1d42c2b964b91535c839a7d07b6970c5877bf99c033f9f2b9eeab7edacfe69b7
