[INFO] cloning repository https://github.com/ickk/sinter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ickk/sinter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fickk%2Fsinter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fickk%2Fsinter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d4d53f7f36b00e7f91409b6e98cb643de60c0a8
[INFO] testing ickk/sinter against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fickk%2Fsinter" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ickk/sinter
[INFO] finished tweaking git repo https://github.com/ickk/sinter
[INFO] tweaked toml for git repo https://github.com/ickk/sinter written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ickk/sinter on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ickk/sinter 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 627e402e0c815802cecdb8fe23b8338b25e6040172f601b152a9ac7696282bdc
[INFO] running `Command { std: "docker" "start" "-a" "627e402e0c815802cecdb8fe23b8338b25e6040172f601b152a9ac7696282bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "627e402e0c815802cecdb8fe23b8338b25e6040172f601b152a9ac7696282bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627e402e0c815802cecdb8fe23b8338b25e6040172f601b152a9ac7696282bdc", kill_on_drop: false }`
[INFO] [stdout] 627e402e0c815802cecdb8fe23b8338b25e6040172f601b152a9ac7696282bdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3374f4541dbff367d890d25122f890fd0d95a1b105e619a94a118b6e4d12988b
[INFO] running `Command { std: "docker" "start" "-a" "3374f4541dbff367d890d25122f890fd0d95a1b105e619a94a118b6e4d12988b", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling wyhash v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling sinter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/interner.rs:174:11
[INFO] [stdout]     |
[INFO] [stdout] 174 |           Box::into_non_null(Box::new(AtomicUsize::new(LOCAL_EPOCH_INIT)));
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `BoxNonNull::into_non_null(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/interner.rs:211:26
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let _ = unsafe { Box::from_non_null(ptr) };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `BoxNonNull::from_non_null(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/interner.rs:166:44
[INFO] [stdout]     |
[INFO] [stdout] 166 |   fn local_epoch_or_init(&'static self) -> &AtomicUsize {
[INFO] [stdout]     |                           -------          ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is named 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] 166 |   fn local_epoch_or_init(&'static self) -> &'static AtomicUsize {
[INFO] [stdout]     |                                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/interner.rs:333:40
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let available_bytes = unsafe { (*last_page.mem.get()).len() }
[INFO] [stdout]     |                                        ^^-------------------^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this raw pointer has type `*mut &mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stdout]    --> src/interner.rs:333:40
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let available_bytes = unsafe { (*last_page.mem.get()).len() }
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let available_bytes = unsafe { (&(*last_page.mem.get())).len() }
[INFO] [stdout]     |                                        ++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "3374f4541dbff367d890d25122f890fd0d95a1b105e619a94a118b6e4d12988b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3374f4541dbff367d890d25122f890fd0d95a1b105e619a94a118b6e4d12988b", kill_on_drop: false }`
[INFO] [stdout] 3374f4541dbff367d890d25122f890fd0d95a1b105e619a94a118b6e4d12988b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a596473a9ed5e949a4e2fbb21fb68ee5fbe0f78777cdef659b37540b9c17f10
[INFO] running `Command { std: "docker" "start" "-a" "4a596473a9ed5e949a4e2fbb21fb68ee5fbe0f78777cdef659b37540b9c17f10", kill_on_drop: false }`
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/interner.rs:174:11
[INFO] [stdout]     |
[INFO] [stdout] 174 |           Box::into_non_null(Box::new(AtomicUsize::new(LOCAL_EPOCH_INIT)));
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `BoxNonNull::into_non_null(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/interner.rs:211:26
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let _ = unsafe { Box::from_non_null(ptr) };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `BoxNonNull::from_non_null(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/interner.rs:166:44
[INFO] [stdout]     |
[INFO] [stdout] 166 |   fn local_epoch_or_init(&'static self) -> &AtomicUsize {
[INFO] [stdout]     |                           -------          ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is named 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] 166 |   fn local_epoch_or_init(&'static self) -> &'static AtomicUsize {
[INFO] [stdout]     |                                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sinter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/interner.rs:333:40
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let available_bytes = unsafe { (*last_page.mem.get()).len() }
[INFO] [stdout]     |                                        ^^-------------------^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this raw pointer has type `*mut &mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stdout]    --> src/interner.rs:333:40
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let available_bytes = unsafe { (*last_page.mem.get()).len() }
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let available_bytes = unsafe { (&(*last_page.mem.get())).len() }
[INFO] [stdout]     |                                        ++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/interner.rs:174:11
[INFO] [stdout]     |
[INFO] [stdout] 174 |           Box::into_non_null(Box::new(AtomicUsize::new(LOCAL_EPOCH_INIT)));
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `BoxNonNull::into_non_null(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/interner.rs:211:26
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let _ = unsafe { Box::from_non_null(ptr) };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `BoxNonNull::from_non_null(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/interner.rs:166:44
[INFO] [stdout]     |
[INFO] [stdout] 166 |   fn local_epoch_or_init(&'static self) -> &AtomicUsize {
[INFO] [stdout]     |                           -------          ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is named 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] 166 |   fn local_epoch_or_init(&'static self) -> &'static AtomicUsize {
[INFO] [stdout]     |                                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/interner.rs:333:40
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let available_bytes = unsafe { (*last_page.mem.get()).len() }
[INFO] [stdout]     |                                        ^^-------------------^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this raw pointer has type `*mut &mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stdout]    --> src/interner.rs:333:40
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let available_bytes = unsafe { (*last_page.mem.get()).len() }
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let available_bytes = unsafe { (&(*last_page.mem.get())).len() }
[INFO] [stdout]     |                                        ++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "4a596473a9ed5e949a4e2fbb21fb68ee5fbe0f78777cdef659b37540b9c17f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a596473a9ed5e949a4e2fbb21fb68ee5fbe0f78777cdef659b37540b9c17f10", kill_on_drop: false }`
[INFO] [stdout] 4a596473a9ed5e949a4e2fbb21fb68ee5fbe0f78777cdef659b37540b9c17f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a046ce688850de907fff1b4d3d2bab740db434e1626164999ebfbc55d70a6cc
[INFO] running `Command { std: "docker" "start" "-a" "8a046ce688850de907fff1b4d3d2bab740db434e1626164999ebfbc55d70a6cc", kill_on_drop: false }`
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/interner.rs:174:11
[INFO] [stderr]     |
[INFO] [stderr] 174 |           Box::into_non_null(Box::new(AtomicUsize::new(LOCAL_EPOCH_INIT)));
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: call with fully qualified syntax `BoxNonNull::into_non_null(...)` to keep using the current method
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/interner.rs:211:26
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 8 tests
[INFO] [stderr] 211 |         let _ = unsafe { Box::from_non_null(ptr) };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: call with fully qualified syntax `BoxNonNull::from_non_null(...)` to keep using the current method
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/interner.rs:166:44
[INFO] [stderr]     |
[INFO] [stderr] 166 |   fn local_epoch_or_init(&'static self) -> &AtomicUsize {
[INFO] [stderr]     |                           -------          ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'static`
[INFO] [stderr]     |
[INFO] [stderr] 166 |   fn local_epoch_or_init(&'static self) -> &'static AtomicUsize {
[INFO] [stderr]     |                                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/interner.rs:333:40
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let available_bytes = unsafe { (*last_page.mem.get()).len() }
[INFO] [stderr]     |                                        ^^-------------------^^^^^^^
[INFO] [stderr]     |                                          |
[INFO] [stderr]     |                                          this raw pointer has type `*mut &mut [u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stderr]    --> src/interner.rs:333:40
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let available_bytes = unsafe { (*last_page.mem.get()).len() }
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: method calls to `len` require a reference
[INFO] [stderr]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/slice/mod.rs:116:4
[INFO] [stderr]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let available_bytes = unsafe { (&(*last_page.mem.get())).len() }
[INFO] [stderr]     |                                        ++                      +
[INFO] [stderr] 
[INFO] [stderr] warning: `sinter` (lib) generated 4 warnings (run `cargo fix --lib -p sinter` to apply 1 suggestion)
[INFO] [stderr] warning: `sinter` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sinter-375c363b43175ee1)
[INFO] [stdout] test tests::constructors ... ok
[INFO] [stdout] test tests::eq ... ok
[INFO] [stdout] test tests::partial_eq ... ok
[INFO] [stdout] test tests::hash ... ok
[INFO] [stdout] test tests::slice_index ... ok
[INFO] [stdout] test tests::long_strings ... ok
[INFO] [stdout] test tests::wyhash ... ok
[INFO] [stdout] test tests::concurrency ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sinter
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/ext.rs - ext::BoxNonNull::into_non_null (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/ext.rs - ext::BoxNonNull::from_non_null (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/istr.rs - istr::collect_interned_strings (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a046ce688850de907fff1b4d3d2bab740db434e1626164999ebfbc55d70a6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a046ce688850de907fff1b4d3d2bab740db434e1626164999ebfbc55d70a6cc", kill_on_drop: false }`
[INFO] [stdout] 8a046ce688850de907fff1b4d3d2bab740db434e1626164999ebfbc55d70a6cc
