[INFO] fetching crate smallvec 2.0.0-alpha.12...
[INFO] testing smallvec-2.0.0-alpha.12 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate smallvec 2.0.0-alpha.12 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate smallvec 2.0.0-alpha.12
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate smallvec 2.0.0-alpha.12
[INFO] tweaked toml for crates.io crate smallvec 2.0.0-alpha.12 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smallvec 2.0.0-alpha.12 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 crates.io crate smallvec 2.0.0-alpha.12 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dbd14b18acf263eca22b2898a09d1bbd81a80cfb9e8a67915f9c766c34abc1ce
[INFO] running `Command { std: "docker" "start" "-a" "dbd14b18acf263eca22b2898a09d1bbd81a80cfb9e8a67915f9c766c34abc1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd14b18acf263eca22b2898a09d1bbd81a80cfb9e8a67915f9c766c34abc1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd14b18acf263eca22b2898a09d1bbd81a80cfb9e8a67915f9c766c34abc1ce", kill_on_drop: false }`
[INFO] [stdout] dbd14b18acf263eca22b2898a09d1bbd81a80cfb9e8a67915f9c766c34abc1ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 440d30ca13e3943b600694b2a2853235f0778b7fb7bf8ce06f22e5d89cc7c718
[INFO] running `Command { std: "docker" "start" "-a" "440d30ca13e3943b600694b2a2853235f0778b7fb7bf8ce06f22e5d89cc7c718", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v2.0.0-alpha.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 |         (unsafe { addr_of!(self.inline) }) as *const T
[INFO] [stdout]     |          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:216:10
[INFO] [stdout]     |
[INFO] [stdout] 216 |         (unsafe { addr_of_mut!(self.inline) }) as *mut T
[INFO] [stdout]     |          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2061:9
[INFO] [stdout]      |
[INFO] [stdout] 2061 |         default unsafe fn spec_from_elem(elem: T, n: usize) -> Self {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2105:9
[INFO] [stdout]      |
[INFO] [stdout] 2105 |         default fn spec_extend(&mut self, iter: I) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2173:9
[INFO] [stdout]      |
[INFO] [stdout] 2173 |         default fn spec_extend(&mut self, iterator: I) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2220:9
[INFO] [stdout]      |
[INFO] [stdout] 2220 |         default unsafe fn spec_extend_from_within(&mut self, src: core::ops::Range<usize>) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2264:9
[INFO] [stdout]      |
[INFO] [stdout] 2264 |         default fn spec_from_iter(iter: I) -> Self {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2297:9
[INFO] [stdout]      |
[INFO] [stdout] 2297 |         default fn spec_clone_from(&mut self, source: &[T]) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2322:9
[INFO] [stdout]      |
[INFO] [stdout] 2322 |         default unsafe fn spec_from(slice: &[T]) -> Self {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "440d30ca13e3943b600694b2a2853235f0778b7fb7bf8ce06f22e5d89cc7c718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440d30ca13e3943b600694b2a2853235f0778b7fb7bf8ce06f22e5d89cc7c718", kill_on_drop: false }`
[INFO] [stdout] 440d30ca13e3943b600694b2a2853235f0778b7fb7bf8ce06f22e5d89cc7c718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f94cdb2456e57428944ecabd1df952d0ec1a36050e323c3fba8f7360446c7c5e
[INFO] running `Command { std: "docker" "start" "-a" "f94cdb2456e57428944ecabd1df952d0ec1a36050e323c3fba8f7360446c7c5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 |         (unsafe { addr_of!(self.inline) }) as *const T
[INFO] [stdout]     |          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:216:10
[INFO] [stdout]     |
[INFO] [stdout] 216 |         (unsafe { addr_of_mut!(self.inline) }) as *mut T
[INFO] [stdout]     |          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2061:9
[INFO] [stdout]      |
[INFO] [stdout] 2061 |         default unsafe fn spec_from_elem(elem: T, n: usize) -> Self {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2105:9
[INFO] [stdout]      |
[INFO] [stdout] 2105 |         default fn spec_extend(&mut self, iter: I) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2173:9
[INFO] [stdout]      |
[INFO] [stdout] 2173 |         default fn spec_extend(&mut self, iterator: I) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2220:9
[INFO] [stdout]      |
[INFO] [stdout] 2220 |         default unsafe fn spec_extend_from_within(&mut self, src: core::ops::Range<usize>) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2264:9
[INFO] [stdout]      |
[INFO] [stdout] 2264 |         default fn spec_from_iter(iter: I) -> Self {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2297:9
[INFO] [stdout]      |
[INFO] [stdout] 2297 |         default fn spec_clone_from(&mut self, source: &[T]) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2322:9
[INFO] [stdout]      |
[INFO] [stdout] 2322 |         default unsafe fn spec_from(slice: &[T]) -> Self {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling smallvec v2.0.0-alpha.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 |         (unsafe { addr_of!(self.inline) }) as *const T
[INFO] [stdout]     |          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:216:10
[INFO] [stdout]     |
[INFO] [stdout] 216 |         (unsafe { addr_of_mut!(self.inline) }) as *mut T
[INFO] [stdout]     |          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2061:9
[INFO] [stdout]      |
[INFO] [stdout] 2061 |         default unsafe fn spec_from_elem(elem: T, n: usize) -> Self {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2105:9
[INFO] [stdout]      |
[INFO] [stdout] 2105 |         default fn spec_extend(&mut self, iter: I) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2173:9
[INFO] [stdout]      |
[INFO] [stdout] 2173 |         default fn spec_extend(&mut self, iterator: I) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2220:9
[INFO] [stdout]      |
[INFO] [stdout] 2220 |         default unsafe fn spec_extend_from_within(&mut self, src: core::ops::Range<usize>) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2264:9
[INFO] [stdout]      |
[INFO] [stdout] 2264 |         default fn spec_from_iter(iter: I) -> Self {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2297:9
[INFO] [stdout]      |
[INFO] [stdout] 2297 |         default fn spec_clone_from(&mut self, source: &[T]) {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]     --> src/lib.rs:2322:9
[INFO] [stdout]      |
[INFO] [stdout] 2322 |         default unsafe fn spec_from(slice: &[T]) -> Self {
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f94cdb2456e57428944ecabd1df952d0ec1a36050e323c3fba8f7360446c7c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94cdb2456e57428944ecabd1df952d0ec1a36050e323c3fba8f7360446c7c5e", kill_on_drop: false }`
[INFO] [stdout] f94cdb2456e57428944ecabd1df952d0ec1a36050e323c3fba8f7360446c7c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8eba5bc5feb3e376cdf772687e32f661178b461fa8c7c0adf10465acb99fc0c7
[INFO] running `Command { std: "docker" "start" "-a" "8eba5bc5feb3e376cdf772687e32f661178b461fa8c7c0adf10465acb99fc0c7", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:210:10
[INFO] [stderr]     |
[INFO] [stderr] 210 |         (unsafe { addr_of!(self.inline) }) as *const T
[INFO] [stderr]     |          ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:216:10
[INFO] [stderr]     |
[INFO] [stderr] 216 |         (unsafe { addr_of_mut!(self.inline) }) as *mut T
[INFO] [stderr]     |          ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2061:9
[INFO] [stderr]      |
[INFO] [stderr] 2061 |         default unsafe fn spec_from_elem(elem: T, n: usize) -> Self {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2105:9
[INFO] [stderr]      |
[INFO] [stderr] 2105 |         default fn spec_extend(&mut self, iter: I) {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2173:9
[INFO] [stderr]      |
[INFO] [stderr] 2173 |         default fn spec_extend(&mut self, iterator: I) {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2220:9
[INFO] [stderr]      |
[INFO] [stderr] 2220 |         default unsafe fn spec_extend_from_within(&mut self, src: core::ops::Range<usize>) {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2264:9
[INFO] [stderr]      |
[INFO] [stderr] 2264 |         default fn spec_from_iter(iter: I) -> Self {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2297:9
[INFO] [stderr]      |
[INFO] [stderr] 2297 |         default fn spec_clone_from(&mut self, source: &[T]) {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2322:9
[INFO] [stderr]      |
[INFO] [stderr] 2322 |         default unsafe fn spec_from(slice: &[T]) -> Self {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: `smallvec` (lib) generated 9 warnings
[INFO] [stderr] warning: `smallvec` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smallvec-4248b5fce4589dfb)
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test tests::const_generics ... ok
[INFO] [stdout] test tests::const_new ... ok
[INFO] [stdout] test tests::drain ... ok
[INFO] [stdout] test tests::drain_forget ... ok
[INFO] [stdout] test tests::empty_macro ... ok
[INFO] [stdout] test tests::grow_spilled_same_size ... ok
[INFO] [stdout] test tests::drain_rev ... ok
[INFO] [stdout] test tests::grow_to_shrink ... ok
[INFO] [stdout] test tests::into_iter_drop ... ok
[INFO] [stdout] test tests::into_iter_rev ... ok
[INFO] [stdout] test tests::issue_4 ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::issue_5 ... ok
[INFO] [stdout] test tests::resumable_extend ... ok
[INFO] [stdout] test tests::shrink_after_from_empty_vec ... ok
[INFO] [stdout] test tests::shrink_to_fit_unspill ... ok
[INFO] [stdout] test tests::test_append ... ok
[INFO] [stdout] test tests::test_as_mut ... ok
[INFO] [stdout] test tests::test_as_ref ... ok
[INFO] [stdout] test tests::test_borrow ... ok
[INFO] [stdout] test tests::test_borrow_mut ... ok
[INFO] [stdout] test tests::max_dont_panic ... ok
[INFO] [stdout] test tests::splice ... ok
[INFO] [stdout] test tests::test_capacity ... ok
[INFO] [stdout] test tests::test_collect_with_spill ... ok
[INFO] [stdout] test tests::test_clone_from ... ok
[INFO] [stdout] test tests::test_dedup ... ok
[INFO] [stdout] test tests::test_double_spill ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_exact_size_iterator ... ok
[INFO] [stdout] test tests::test_extend_from_slice ... ok
[INFO] [stdout] test tests::test_extend_from_within ... ok
[INFO] [stdout] test tests::test_from ... ok
[INFO] [stdout] test tests::test_from_slice ... ok
[INFO] [stdout] test tests::test_from_vec ... ok
[INFO] [stdout] test tests::test_hash ... ok
[INFO] [stdout] test tests::test_inline ... ok
[INFO] [stdout] test tests::test_into_inner ... ok
[INFO] [stdout] test tests::test_into_iter_clone ... ok
[INFO] [stdout] test tests::test_into_iter_as_slice ... ok
[INFO] [stdout] test tests::test_into_iter_clone_partially_consumed_iterator ... ok
[INFO] [stdout] test tests::test_into_iter_clone_empty_smallvec ... ok
[INFO] [stdout] test tests::test_into_vec ... ok
[INFO] [stdout] test tests::test_ord ... ok
[INFO] [stdout] test tests::test_resize ... ok
[INFO] [stdout] test tests::test_retain ... ok
[INFO] [stdout] test tests::test_spare_capacity_mut ... ok
[INFO] [stdout] test tests::test_spill ... ok
[INFO] [stdout] test tests::test_split_off ... ok
[INFO] [stdout] test tests::test_split_off_take_all ... ok
[INFO] [stdout] test tests::test_truncate ... ok
[INFO] [stdout] test tests::test_truncate_references ... ok
[INFO] [stdout] test tests::test_with_capacity ... ok
[INFO] [stdout] test tests::test_zero ... ok
[INFO] [stdout] test tests::uninhabited ... ok
[INFO] [stdout] test tests::zero_size_items ... ok
[INFO] [stdout] test tests::drain_overflow - should panic ... ok
[INFO] [stdout] test tests::max_insert - should panic ... ok
[INFO] [stdout] test tests::max_swap_remove - should panic ... ok
[INFO] [stdout] test tests::max_remove - should panic ... ok
[INFO] [stdout] test tests::test_drop_panic_smallvec - should panic ... ok
[INFO] [stdout] test tests::test_invalid_grow - should panic ... ok
[INFO] [stdout] test tests::collect_from_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 63 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-c71c089a23e956c0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests smallvec
[INFO] [stdout] test smallvec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2061:9
[INFO] [stderr]      |
[INFO] [stderr] 2061 |         default unsafe fn spec_from_elem(elem: T, n: usize) -> Self {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2105:9
[INFO] [stderr]      |
[INFO] [stderr] 2105 |         default fn spec_extend(&mut self, iter: I) {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2173:9
[INFO] [stderr]      |
[INFO] [stderr] 2173 |         default fn spec_extend(&mut self, iterator: I) {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2220:9
[INFO] [stderr]      |
[INFO] [stderr] 2220 |         default unsafe fn spec_extend_from_within(&mut self, src: core::ops::Range<usize>) {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2264:9
[INFO] [stderr]      |
[INFO] [stderr] 2264 |         default fn spec_from_iter(iter: I) -> Self {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2297:9
[INFO] [stderr]      |
[INFO] [stderr] 2297 |         default fn spec_clone_from(&mut self, source: &[T]) {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]     --> src/lib.rs:2322:9
[INFO] [stderr]      |
[INFO] [stderr] 2322 |         default unsafe fn spec_from(slice: &[T]) -> Self {
[INFO] [stderr]      |         ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]      = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]      = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - SmallVec<T,N>::split_off (line 1062) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<T,N>::from_buf_and_len_unchecked (line 903) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<T,N>::from_raw_parts (line 1727) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8eba5bc5feb3e376cdf772687e32f661178b461fa8c7c0adf10465acb99fc0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eba5bc5feb3e376cdf772687e32f661178b461fa8c7c0adf10465acb99fc0c7", kill_on_drop: false }`
[INFO] [stdout] 8eba5bc5feb3e376cdf772687e32f661178b461fa8c7c0adf10465acb99fc0c7
