[INFO] fetching crate array-vec 0.1.3... [INFO] checking array-vec-0.1.3 against beta for pr-78714 [INFO] extracting crate array-vec 0.1.3 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate array-vec 0.1.3 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate array-vec 0.1.3 [INFO] finished tweaking crates.io crate array-vec 0.1.3 [INFO] tweaked toml for crates.io crate array-vec 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9702a9088ee4f4e6113a0891491f8026ba93f435357a1d25d04f42433ffbc1be [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9702a9088ee4f4e6113a0891491f8026ba93f435357a1d25d04f42433ffbc1be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9702a9088ee4f4e6113a0891491f8026ba93f435357a1d25d04f42433ffbc1be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9702a9088ee4f4e6113a0891491f8026ba93f435357a1d25d04f42433ffbc1be", kill_on_drop: false }` [INFO] [stdout] 9702a9088ee4f4e6113a0891491f8026ba93f435357a1d25d04f42433ffbc1be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ace87ee67ffd8665b434632872ad51bf0def8ce98ffe038f69ee229e2c78eaf3 [INFO] running `Command { std: "docker" "start" "-a" "ace87ee67ffd8665b434632872ad51bf0def8ce98ffe038f69ee229e2c78eaf3", kill_on_drop: false }` [INFO] [stderr] Checking array-vec v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, specialization, maybe_uninit_extra, maybe_uninit_slice)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, specialization, maybe_uninit_extra, maybe_uninit_slice)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, specialization, maybe_uninit_extra, maybe_uninit_slice)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, specialization, maybe_uninit_extra, maybe_uninit_slice)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, specialization, maybe_uninit_extra, maybe_uninit_slice)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, specialization, maybe_uninit_extra, maybe_uninit_slice)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `IntoIter` [INFO] [stdout] --> src/test.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{ArrayVec, IntoIter}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/test.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | let a = ArrayVec::<_, { 5 }>::from([10, 20, 30, 40, 50]); [INFO] [stdout] | ^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/test.rs:21:33 [INFO] [stdout] | [INFO] [stdout] 21 | let mut a = ArrayVec::::default(); [INFO] [stdout] | ^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `first_ptr` found for union `MaybeUninit<_>` in the current scope [INFO] [stdout] --> src/lib.rs:36:22 [INFO] [stdout] | [INFO] [stdout] 36 | MaybeUninit::first_ptr(&self.arr) [INFO] [stdout] | ^^^^^^^^^ function or associated item not found in `MaybeUninit<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `first_ptr_mut` found for union `MaybeUninit<_>` in the current scope [INFO] [stdout] --> src/lib.rs:41:22 [INFO] [stdout] | [INFO] [stdout] 41 | MaybeUninit::first_ptr_mut(&mut self.arr) [INFO] [stdout] | ^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `first_ptr` found for union `MaybeUninit<_>` in the current scope [INFO] [stdout] --> src/lib.rs:36:22 [INFO] [stdout] | [INFO] [stdout] 36 | MaybeUninit::first_ptr(&self.arr) [INFO] [stdout] | ^^^^^^^^^ function or associated item not found in `MaybeUninit<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `first_ptr_mut` found for union `MaybeUninit<_>` in the current scope [INFO] [stdout] --> src/lib.rs:41:22 [INFO] [stdout] | [INFO] [stdout] 41 | MaybeUninit::first_ptr_mut(&mut self.arr) [INFO] [stdout] | ^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `array-vec` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "ace87ee67ffd8665b434632872ad51bf0def8ce98ffe038f69ee229e2c78eaf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ace87ee67ffd8665b434632872ad51bf0def8ce98ffe038f69ee229e2c78eaf3", kill_on_drop: false }` [INFO] [stdout] ace87ee67ffd8665b434632872ad51bf0def8ce98ffe038f69ee229e2c78eaf3