[INFO] fetching crate syncpool 0.1.6...
[INFO] fixing syncpool-0.1.6 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate syncpool 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate syncpool 0.1.6
[INFO] finished tweaking crates.io crate syncpool 0.1.6
[INFO] tweaked toml for crates.io crate syncpool 0.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syncpool 0.1.6 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] crate crates.io crate syncpool 0.1.6 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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] 0b7146b77c17dcdacefd30a0cc107d9fb9f090699b8cdfab41d66ff359415888
[INFO] running `Command { std: "docker" "start" "0b7146b77c17dcdacefd30a0cc107d9fb9f090699b8cdfab41d66ff359415888", 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" "0b7146b77c17dcdacefd30a0cc107d9fb9f090699b8cdfab41d66ff359415888" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b7146b77c17dcdacefd30a0cc107d9fb9f090699b8cdfab41d66ff359415888", 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" "0b7146b77c17dcdacefd30a0cc107d9fb9f090699b8cdfab41d66ff359415888" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]     Checking syncpool v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/basic.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/complex_bench.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/with_tools.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr] crater-edition-check: syncpool v0.1.6 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking syncpool v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/utils.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         atomic::spin_loop_hint()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/utils.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         atomic::spin_loop_hint()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `body`, `flags`, `children`, `index`, and `rev_index` are never read
[INFO] [stdout]   --> examples/basic.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct ComplexStruct {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 21 |     id: usize,
[INFO] [stdout] 22 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     body: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     flags: Vec<usize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 25 |     children: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     index: HashMap<usize, String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 27 |     rev_index: HashMap<String, usize>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ComplexStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/basic.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     POOL.as_mut_ptr().write(SyncPool::with_size(COUNT / 2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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] 17 - static mut POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout] 17 + static POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/basic.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Pin::new(&mut *POOL.as_mut_ptr()),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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] 17 - static mut POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout] 17 + static POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/basic.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Pin::new(&mut *POOL.as_mut_ptr()),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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] 17 - static mut POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout] 17 + static POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/complex_bench.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 |     println!("Init len: {}", unsafe { POOL.as_ref().unwrap().len() });
[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] 19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout] 19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/complex_bench.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |     println!("Remainder len: {}", unsafe { POOL.as_ref().unwrap().len() });
[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] 19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout] 19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         POOL.replace(pool);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 unsafe { POOL.as_mut().unwrap().get() }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 unsafe { POOL.as_mut().unwrap().get() }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     POOL.as_mut().unwrap().put(arr);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |             unsafe { POOL.as_mut().unwrap().get() }
[INFO] [stdout]     |                      ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:218:22
[INFO] [stdout]     |
[INFO] [stdout] 218 |             unsafe { POOL.as_mut().unwrap().put(data) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]     Checking syncpool v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/boxed.rs (2 fixes)
[INFO] [stderr]    Migrating examples/complex_bench.rs from 2021 edition to 2024
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/complex_bench.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 |     println!("Init len: {}", unsafe { POOL.as_ref().unwrap().len() });
[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: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout] 19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/with_tools.rs from 2021 edition to 2024
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/complex_bench.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |     println!("Remainder len: {}", unsafe { POOL.as_ref().unwrap().len() });
[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] 19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout] 19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         POOL.replace(pool);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 unsafe { POOL.as_mut().unwrap().get() }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 unsafe { POOL.as_mut().unwrap().get() }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     POOL.as_mut().unwrap().put(arr);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |             unsafe { POOL.as_mut().unwrap().get() }
[INFO] [stdout]     |                      ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:218:22
[INFO] [stdout]     |
[INFO] [stdout] 218 |             unsafe { POOL.as_mut().unwrap().put(data) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/basic.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed examples/basic.rs (1 fix)
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/basic.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     POOL.as_mut_ptr().write(SyncPool::with_size(COUNT / 2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 17 - static mut POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout] 17 + static POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/basic.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Pin::new(&mut *POOL.as_mut_ptr()),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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] 17 - static mut POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout] 17 + static POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/basic.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Pin::new(&mut *POOL.as_mut_ptr()),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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] 17 - static mut POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout] 17 + static POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] [stderr] crater-edition-check: syncpool v0.1.6 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking syncpool v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/utils.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         atomic::spin_loop_hint()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/utils.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         atomic::spin_loop_hint()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `body`, `flags`, `children`, `index`, and `rev_index` are never read
[INFO] [stdout]   --> examples/basic.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct ComplexStruct {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 21 |     id: usize,
[INFO] [stdout] 22 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     body: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     flags: Vec<usize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 25 |     children: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     index: HashMap<usize, String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 27 |     rev_index: HashMap<String, usize>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ComplexStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/basic.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     POOL.as_mut_ptr().write(SyncPool::with_size(COUNT / 2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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: `#[deny(static_mut_refs)]` (part of `#[deny(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] 17 - static mut POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout] 17 + static POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/basic.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Pin::new(&mut *POOL.as_mut_ptr()),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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] 17 - static mut POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout] 17 + static POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/basic.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Pin::new(&mut *POOL.as_mut_ptr()),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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] 17 - static mut POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout] 17 + static POOL: MaybeUninit<SyncPool<ComplexStruct>> = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/complex_bench.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 |     println!("Init len: {}", unsafe { POOL.as_ref().unwrap().len() });
[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: `#[deny(static_mut_refs)]` (part of `#[deny(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] 19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout] 19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/complex_bench.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |     println!("Remainder len: {}", unsafe { POOL.as_ref().unwrap().len() });
[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] 19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout] 19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         POOL.replace(pool);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 unsafe { POOL.as_mut().unwrap().get() }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 unsafe { POOL.as_mut().unwrap().get() }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     POOL.as_mut().unwrap().put(arr);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |             unsafe { POOL.as_mut().unwrap().get() }
[INFO] [stdout]     |                      ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/complex_bench.rs:218:22
[INFO] [stdout]     |
[INFO] [stdout] 218 |             unsafe { POOL.as_mut().unwrap().put(data) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable 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]  19 - static mut POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]  19 + static POOL: Option<SyncPool<TestStruct>> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syncpool` (example "complex_bench") due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syncpool` (example "basic") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0b7146b77c17dcdacefd30a0cc107d9fb9f090699b8cdfab41d66ff359415888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b7146b77c17dcdacefd30a0cc107d9fb9f090699b8cdfab41d66ff359415888", kill_on_drop: false }`
[INFO] [stdout] 0b7146b77c17dcdacefd30a0cc107d9fb9f090699b8cdfab41d66ff359415888
