[INFO] fetching crate ferroc 1.0.0-pre.3...
[INFO] checking ferroc-1.0.0-pre.3 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate ferroc 1.0.0-pre.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ferroc 1.0.0-pre.3 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferroc 1.0.0-pre.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ferroc 1.0.0-pre.3
[INFO] tweaked toml for crates.io crate ferroc 1.0.0-pre.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate ferroc 1.0.0-pre.3 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d876dab2754a81b383488e7c61f5b39182c31bc2bbda3fe3b265663714d8c35
[INFO] running `Command { std: "docker" "start" "-a" "3d876dab2754a81b383488e7c61f5b39182c31bc2bbda3fe3b265663714d8c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d876dab2754a81b383488e7c61f5b39182c31bc2bbda3fe3b265663714d8c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d876dab2754a81b383488e7c61f5b39182c31bc2bbda3fe3b265663714d8c35", kill_on_drop: false }`
[INFO] [stdout] 3d876dab2754a81b383488e7c61f5b39182c31bc2bbda3fe3b265663714d8c35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46351f3bd60881a4cfacf4ed9edf4faa93a1f1937b8f8bfa0372d2e13c1f710b
[INFO] running `Command { std: "docker" "start" "-a" "46351f3bd60881a4cfacf4ed9edf4faa93a1f1937b8f8bfa0372d2e13c1f710b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling ferroc v1.0.0-pre.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking array-macro v2.1.8
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stdout] error: extern blocks should be unsafe
[INFO] [stdout]    --> src/base/mmap.rs:92:5
[INFO] [stdout]     |
[INFO] [stdout] 92  |       extern "C" {
[INFO] [stdout]     |       ^
[INFO] [stdout]     |       |
[INFO] [stdout]     |  _____help: needs `unsafe` before the extern keyword: `unsafe`
[INFO] [stdout]     | |
[INFO] [stdout] 93  | |         #[cfg_attr(
[INFO] [stdout] 94  | |             any(
[INFO] [stdout] 95  | |                 target_os = "linux",
[INFO] [stdout] ...   |
[INFO] [stdout] 130 | |         fn errno_location() -> *mut RawOsError;
[INFO] [stdout] 131 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
[INFO] [stdout]     = note: for more information, see issue #123743 <https://github.com/rust-lang/rust/issues/123743>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 | #![deny(rust_2024_compatibility)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(missing_unsafe_on_extern)]` implied by `#[deny(rust_2024_compatibility)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/base/static_.rs:70:67
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn alloc_inner(&'static self, layout: Layout) -> Option<Chunk<&Self>> {
[INFO] [stdout]    |                                                                   ^ this elided lifetime gets resolved as `'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] help: consider specifying it explicitly
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn alloc_inner(&'static self, layout: Layout) -> Option<Chunk<&'static Self>> {
[INFO] [stdout]    |                                                                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/global.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |     (@ARENA $vis:vis, $bs:expr) => {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]    = note: `#[deny(edition_2024_expr_fragment_specifier)]` implied by `#[deny(rust_2024_compatibility)]`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 52 |     (@ARENA $vis:vis, $bs:expr_2021) => {
[INFO] [stdout]    |                           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/global.rs:269:31
[INFO] [stdout]     |
[INFO] [stdout] 269 |     ($vis:vis $name:ident($bs:expr) => $bt:ty: $($options:tt)*) => {
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 269 |     ($vis:vis $name:ident($bs:expr_2021) => $bt:ty: $($options:tt)*) => {
[INFO] [stdout]     |                               ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/global.rs:275:31
[INFO] [stdout]     |
[INFO] [stdout] 275 |     ($vis:vis $name:ident($bs:expr) => $bt:ty) => {
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 275 |     ($vis:vis $name:ident($bs:expr_2021) => $bt:ty) => {
[INFO] [stdout]     |                               ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]    --> src/heap.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     ($e:expr) => {
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see Migration Guide <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]     |
[INFO] [stdout] 255 |     ($e:expr_2021) => {
[INFO] [stdout]     |         ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_refs_to_static` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 | #![feature(const_refs_to_static)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_pin` has been stable since 1.85.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 | #![feature(const_pin)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.85.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(strict_provenance)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/arena.rs:174:43
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Some(NonNull::from_raw_parts(data.cast(), SLAB_SIZE * count))
[INFO] [stdout]     |              -----------------------      ^^^^ cannot infer type of the type parameter `U` declared on the method `cast`
[INFO] [stdout]     |              |
[INFO] [stdout]     |              required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Thin`
[INFO] [stdout] note: required by a bound in `NonNull::<T>::from_raw_parts`
[INFO] [stdout]    --> /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/ptr/non_null.rs:253:5
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Some(NonNull::from_raw_parts(data.cast::<U>(), SLAB_SIZE * count))
[INFO] [stdout]     |                                               +++++
[INFO] [stdout] help: consider removing this method call, as the receiver has type `NonNull<[u8]>` and `NonNull<[u8]>: Thin` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 174 -         Some(NonNull::from_raw_parts(data.cast(), SLAB_SIZE * count))
[INFO] [stdout] 174 +         Some(NonNull::from_raw_parts(data, SLAB_SIZE * count))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/base.rs:162:42
[INFO] [stdout]     |
[INFO] [stdout] 162 |         NonNull::from_raw_parts(self.ptr.cast(), self.layout.size())
[INFO] [stdout]     |         -----------------------          ^^^^ cannot infer type of the type parameter `U` declared on the method `cast`
[INFO] [stdout]     |         |
[INFO] [stdout]     |         required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Thin`
[INFO] [stdout] note: required by a bound in `NonNull::<T>::from_raw_parts`
[INFO] [stdout]    --> /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/ptr/non_null.rs:253:5
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 162 |         NonNull::from_raw_parts(self.ptr.cast::<U>(), self.layout.size())
[INFO] [stdout]     |                                              +++++
[INFO] [stdout] help: consider removing this method call, as the receiver has type `NonNull<u8>` and `NonNull<u8>: Thin` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 162 -         NonNull::from_raw_parts(self.ptr.cast(), self.layout.size())
[INFO] [stdout] 162 +         NonNull::from_raw_parts(self.ptr, self.layout.size())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/slab.rs:835:63
[INFO] [stdout]     |
[INFO] [stdout] 835 |             unsafe { base.commit(NonNull::from_raw_parts(area.cast(), usable_size)) }
[INFO] [stdout]     |                                  -----------------------      ^^^^ cannot infer type of the type parameter `U` declared on the method `cast`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Thin`
[INFO] [stdout] note: required by a bound in `NonNull::<T>::from_raw_parts`
[INFO] [stdout]    --> /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/ptr/non_null.rs:253:5
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 835 |             unsafe { base.commit(NonNull::from_raw_parts(area.cast::<U>(), usable_size)) }
[INFO] [stdout]     |                                                                   +++++
[INFO] [stdout] help: consider removing this method call, as the receiver has type `NonNull<u8>` and `NonNull<u8>: Thin` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 835 -             unsafe { base.commit(NonNull::from_raw_parts(area.cast(), usable_size)) }
[INFO] [stdout] 835 +             unsafe { base.commit(NonNull::from_raw_parts(area, usable_size)) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/slab.rs:891:63
[INFO] [stdout]     |
[INFO] [stdout] 891 |             unsafe { base.commit(NonNull::from_raw_parts(area.cast(), SHARD_SIZE)) }
[INFO] [stdout]     |                                  -----------------------      ^^^^ cannot infer type of the type parameter `U` declared on the method `cast`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Thin`
[INFO] [stdout] note: required by a bound in `NonNull::<T>::from_raw_parts`
[INFO] [stdout]    --> /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/ptr/non_null.rs:253:5
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 891 |             unsafe { base.commit(NonNull::from_raw_parts(area.cast::<U>(), SHARD_SIZE)) }
[INFO] [stdout]     |                                                                   +++++
[INFO] [stdout] help: consider removing this method call, as the receiver has type `NonNull<u8>` and `NonNull<u8>: Thin` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 891 -             unsafe { base.commit(NonNull::from_raw_parts(area.cast(), SHARD_SIZE)) }
[INFO] [stdout] 891 +             unsafe { base.commit(NonNull::from_raw_parts(area, SHARD_SIZE)) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ferroc` (lib) due to 9 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "46351f3bd60881a4cfacf4ed9edf4faa93a1f1937b8f8bfa0372d2e13c1f710b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46351f3bd60881a4cfacf4ed9edf4faa93a1f1937b8f8bfa0372d2e13c1f710b", kill_on_drop: false }`
[INFO] [stdout] 46351f3bd60881a4cfacf4ed9edf4faa93a1f1937b8f8bfa0372d2e13c1f710b
