[INFO] fetching crate slabmalloc 0.11.0...
[INFO] fixing slabmalloc-0.11.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate slabmalloc 0.11.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate slabmalloc 0.11.0
[INFO] finished tweaking crates.io crate slabmalloc 0.11.0
[INFO] tweaked toml for crates.io crate slabmalloc 0.11.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slabmalloc 0.11.0 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 slabmalloc 0.11.0 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] 30a9c5c5dde9ff0d98865e208ed5e0503ffab9602d1e3bed818ec67caabebe3f
[INFO] running `Command { std: "docker" "start" "30a9c5c5dde9ff0d98865e208ed5e0503ffab9602d1e3bed818ec67caabebe3f", 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" "30a9c5c5dde9ff0d98865e208ed5e0503ffab9602d1e3bed818ec67caabebe3f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30a9c5c5dde9ff0d98865e208ed5e0503ffab9602d1e3bed818ec67caabebe3f", 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" "30a9c5c5dde9ff0d98865e208ed5e0503ffab9602d1e3bed818ec67caabebe3f" "/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] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   log v0.4.14 removed features: std
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stderr]     Checking slabmalloc v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Migrating examples/global_alloc.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.66s
[INFO] [stderr] crater-edition-check: slabmalloc v0.11.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking slabmalloc v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:21:43
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![cfg_attr(feature = "unstable", feature(const_mut_refs))]
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `prelude_import` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![cfg_attr(test, feature(prelude_import, test, c_void_variant, core_intrinsics))]
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:22:65
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![cfg_attr(test, feature(prelude_import, test, c_void_variant, core_intrinsics))]
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/tests.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |         None => panic!("failed to allocate ObjectPage"),
[INFO] [stdout]     |                 ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/tests.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/prelude/mod.rs:41:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout]     = note: `#[warn(ambiguous_panic_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/tests.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |         None => panic!("failed to allocate LargeObjectPage"),
[INFO] [stdout]     |                 ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/tests.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/prelude/mod.rs:41:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:21:43
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![cfg_attr(feature = "unstable", feature(const_mut_refs))]
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> examples/global_alloc.rs:56:31
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]    = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 56 -             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout] 56 +             .map(|r| unsafe { &mut *std::ptr::with_exposed_provenance_mut::<slabmalloc::ObjectPage<'_>>(r as usize) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> examples/global_alloc.rs:68:31
[INFO] [stdout]    |
[INFO] [stdout] 68 |             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 68 -             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout] 68 +             .map(|r| unsafe { &mut *std::ptr::with_exposed_provenance_mut::<slabmalloc::LargeObjectPage<'_>>(r as usize) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/global_alloc.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 PAGER.allocate_page().expect("Can't allocate page?") as *mut _ as *mut u8
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/global_alloc.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 PAGER.allocate_large_page().expect("Can't allocate page?") as *mut _ as *mut u8
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/global_alloc.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   PAGER.allocate_page().map_or(ptr::null_mut(), |page| {
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/global_alloc.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 | / ...                   PAGER
[INFO] [stdout] 122 | | ...                       .allocate_large_page()
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> src/tests.rs:90:31
[INFO] [stdout]    |
[INFO] [stdout] 90 |             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]    = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 90 -             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout] 90 +             .map(|r| unsafe { &mut *std::ptr::with_exposed_provenance_mut::<pages::ObjectPage<'_>>(r as usize) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/tests.rs:105:31
[INFO] [stdout]     |
[INFO] [stdout] 105 |             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 105 -             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout] 105 +             .map(|r| unsafe { &mut *std::ptr::with_exposed_provenance_mut::<pages::LargeObjectPage<'_>>(r as usize) })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   log v0.4.14 removed features: std
[INFO] [stderr] 
[INFO] [stderr]     Checking slabmalloc v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/pages.rs (2 fixes)
[INFO] [stderr]        Fixed src/zone.rs (2 fixes)
[INFO] [stderr]        Fixed src/sc.rs (1 fix)
[INFO] [stderr]        Fixed src/tests.rs (6 fixes)
[INFO] [stderr]    Migrating examples/global_alloc.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed examples/global_alloc.rs (1 fix)
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/global_alloc.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 PAGER.allocate_page().expect("Can't allocate page?") as *mut _ as *mut u8
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/global_alloc.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 PAGER.allocate_large_page().expect("Can't allocate page?") as *mut _ as *mut u8
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/global_alloc.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   PAGER.allocate_page().map_or(ptr::null_mut(), |page| {
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/global_alloc.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 | / ...                   PAGER
[INFO] [stdout] 122 | | ...                       .allocate_large_page()
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.94s
[INFO] [stderr] crater-edition-check: slabmalloc v0.11.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking slabmalloc v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:21:43
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![cfg_attr(feature = "unstable", feature(const_mut_refs))]
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `prelude_import` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![cfg_attr(test, feature(prelude_import, test, c_void_variant, core_intrinsics))]
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:22:65
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![cfg_attr(test, feature(prelude_import, test, c_void_variant, core_intrinsics))]
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/tests.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |         None => panic!("failed to allocate ObjectPage"),
[INFO] [stdout]     |                 ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/tests.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout]     = note: `#[warn(ambiguous_panic_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/tests.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |         None => panic!("failed to allocate LargeObjectPage"),
[INFO] [stdout]     |                 ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/tests.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:21:43
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![cfg_attr(feature = "unstable", feature(const_mut_refs))]
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> examples/global_alloc.rs:56:31
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]    = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 56 -             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout] 56 +             .map(|r| unsafe { &mut *std::ptr::with_exposed_provenance_mut::<slabmalloc::ObjectPage<'_>>(r as usize) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> examples/global_alloc.rs:68:31
[INFO] [stdout]    |
[INFO] [stdout] 68 |             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 68 -             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout] 68 +             .map(|r| unsafe { &mut *std::ptr::with_exposed_provenance_mut::<slabmalloc::LargeObjectPage<'_>>(r as usize) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]   --> examples/global_alloc.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 PAGER.allocate_page().expect("Can't allocate page?") as *mut _ as *mut u8
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/global_alloc.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 PAGER.allocate_large_page().expect("Can't allocate page?") as *mut _ as *mut u8
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/global_alloc.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   PAGER.allocate_page().map_or(ptr::null_mut(), |page| {
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]    --> examples/global_alloc.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 | / ...                   PAGER
[INFO] [stdout] 122 | | ...                       .allocate_large_page()
[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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slabmalloc` (example "global_alloc") due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> src/tests.rs:90:31
[INFO] [stdout]    |
[INFO] [stdout] 90 |             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]    = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 90 -             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout] 90 +             .map(|r| unsafe { &mut *std::ptr::with_exposed_provenance_mut::<pages::ObjectPage<'_>>(r as usize) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/tests.rs:105:31
[INFO] [stdout]     |
[INFO] [stdout] 105 |             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 105 -             .map(|r| unsafe { transmute(r as usize) })
[INFO] [stdout] 105 +             .map(|r| unsafe { &mut *std::ptr::with_exposed_provenance_mut::<pages::LargeObjectPage<'_>>(r as usize) })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30a9c5c5dde9ff0d98865e208ed5e0503ffab9602d1e3bed818ec67caabebe3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a9c5c5dde9ff0d98865e208ed5e0503ffab9602d1e3bed818ec67caabebe3f", kill_on_drop: false }`
[INFO] [stdout] 30a9c5c5dde9ff0d98865e208ed5e0503ffab9602d1e3bed818ec67caabebe3f
