[INFO] fetching crate slice_ops 1.0.7... [INFO] testing slice_ops-1.0.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate slice_ops 1.0.7 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate slice_ops 1.0.7 [INFO] finished tweaking crates.io crate slice_ops 1.0.7 [INFO] tweaked toml for crates.io crate slice_ops 1.0.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate slice_ops 1.0.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate slice_ops 1.0.7 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded moddef v0.2.6 [INFO] [stderr] Downloaded slice_trait v0.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12198707b3a22cd1cec56ebff6f77208ea084ed33c9b40f8bb7d043df990d747 [INFO] running `Command { std: "docker" "start" "-a" "12198707b3a22cd1cec56ebff6f77208ea084ed33c9b40f8bb7d043df990d747", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12198707b3a22cd1cec56ebff6f77208ea084ed33c9b40f8bb7d043df990d747", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12198707b3a22cd1cec56ebff6f77208ea084ed33c9b40f8bb7d043df990d747", kill_on_drop: false }` [INFO] [stdout] 12198707b3a22cd1cec56ebff6f77208ea084ed33c9b40f8bb7d043df990d747 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 943cb40f643942775a27049b0784d46ebefd7c860e9e977eb96c38aec3aae4d5 [INFO] running `Command { std: "docker" "start" "-a" "943cb40f643942775a27049b0784d46ebefd7c860e9e977eb96c38aec3aae4d5", kill_on_drop: false }` [INFO] [stderr] Compiling moddef v0.2.6 [INFO] [stderr] Compiling slice_trait v0.1.9 [INFO] [stderr] Compiling slice_ops v1.0.7 (/opt/rustwide/workdir) [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/future/try_actions.rs:84:24 [INFO] [stdout] | [INFO] [stdout] 84 | if let Some(result) = result && result.is_err() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76560 for more information [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_swap_nonoverlapping` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(const_swap_nonoverlapping)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `maybe_uninit_uninit_array` [INFO] [stdout] --> src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | #![feature(maybe_uninit_uninit_array)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `uninit_array` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/ops/spread.rs:81:74 [INFO] [stdout] | [INFO] [stdout] 81 | let mut spread: [MaybeUninit<&[Padded]>; M] = MaybeUninit::uninit_array(); [INFO] [stdout] | ^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>` [INFO] [stdout] | [INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions: [INFO] [stdout] MaybeUninit::::new [INFO] [stdout] MaybeUninit::::uninit [INFO] [stdout] MaybeUninit::::zeroed [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/mem/maybe_uninit.rs:307:5 [INFO] [stdout] help: there is an associated function `uninit` with a similar name [INFO] [stdout] | [INFO] [stdout] 81 - let mut spread: [MaybeUninit<&[Padded]>; M] = MaybeUninit::uninit_array(); [INFO] [stdout] 81 + let mut spread: [MaybeUninit<&[Padded]>; M] = MaybeUninit::uninit(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `uninit_array` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/ops/spread.rs:103:78 [INFO] [stdout] | [INFO] [stdout] 103 | let mut spread: [MaybeUninit<&mut [Padded]>; M] = MaybeUninit::uninit_array(); [INFO] [stdout] | ^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>` [INFO] [stdout] | [INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions: [INFO] [stdout] MaybeUninit::::new [INFO] [stdout] MaybeUninit::::uninit [INFO] [stdout] MaybeUninit::::zeroed [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/mem/maybe_uninit.rs:307:5 [INFO] [stdout] help: there is an associated function `uninit` with a similar name [INFO] [stdout] | [INFO] [stdout] 103 - let mut spread: [MaybeUninit<&mut [Padded]>; M] = MaybeUninit::uninit_array(); [INFO] [stdout] 103 + let mut spread: [MaybeUninit<&mut [Padded]>; M] = MaybeUninit::uninit(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `slice_ops` (lib) due to 4 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "943cb40f643942775a27049b0784d46ebefd7c860e9e977eb96c38aec3aae4d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "943cb40f643942775a27049b0784d46ebefd7c860e9e977eb96c38aec3aae4d5", kill_on_drop: false }` [INFO] [stdout] 943cb40f643942775a27049b0784d46ebefd7c860e9e977eb96c38aec3aae4d5