[INFO] fetching crate runtime-sized-array 0.1.0... [INFO] testing runtime-sized-array-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate runtime-sized-array 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate runtime-sized-array 0.1.0 [INFO] finished tweaking crates.io crate runtime-sized-array 0.1.0 [INFO] tweaked toml for crates.io crate runtime-sized-array 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate runtime-sized-array 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e2e902db056522b357b64aba376525a7a1e74757c1927f9d5d0c22912df81e85 [INFO] running `Command { std: "docker" "start" "-a" "e2e902db056522b357b64aba376525a7a1e74757c1927f9d5d0c22912df81e85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e2e902db056522b357b64aba376525a7a1e74757c1927f9d5d0c22912df81e85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2e902db056522b357b64aba376525a7a1e74757c1927f9d5d0c22912df81e85", kill_on_drop: false }` [INFO] [stdout] e2e902db056522b357b64aba376525a7a1e74757c1927f9d5d0c22912df81e85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49c151184de6b0a1afce98cb4a473882b4199ed436c3fe31624ff9d65ceb66d3 [INFO] running `Command { std: "docker" "start" "-a" "49c151184de6b0a1afce98cb4a473882b4199ed436c3fe31624ff9d65ceb66d3", kill_on_drop: false }` [INFO] [stderr] Compiling runtime-sized-array v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:120:1 [INFO] [stdout] | [INFO] [stdout] 120 | #![feature(ptr_const_cast)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:121:1 [INFO] [stdout] | [INFO] [stdout] 121 | #![feature(rustc_attrs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `rustc_attrs` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:121:12 [INFO] [stdout] | [INFO] [stdout] 121 | #![feature(rustc_attrs)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LayoutError` and `Layout` [INFO] [stdout] --> src/array.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use std::alloc::{Layout, LayoutError}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::PhantomData` [INFO] [stdout] --> src/array_iters.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | use std::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `ptr_const_cast` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | #![feature(ptr_const_cast)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_const` found for raw pointer `*mut T` in the current scope [INFO] [stdout] --> src/array.rs:359:22 [INFO] [stdout] | [INFO] [stdout] 359 | self.pointer.as_const() [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `cast_const` with a similar name [INFO] [stdout] | [INFO] [stdout] 359 - self.pointer.as_const() [INFO] [stdout] 359 + self.pointer.cast_const() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_const` found for raw pointer `*mut T` in the current scope [INFO] [stdout] --> src/array_iters.rs:174:37 [INFO] [stdout] | [INFO] [stdout] 174 | let ptr = array.pointer.as_const(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `cast_const` with a similar name [INFO] [stdout] | [INFO] [stdout] 174 - let ptr = array.pointer.as_const(); [INFO] [stdout] 174 + let ptr = array.pointer.cast_const(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/array.rs:634:13 [INFO] [stdout] | [INFO] [stdout] 634 | let mut arr = Array::new(n) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [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 `runtime-sized-array` (lib) due to 4 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "49c151184de6b0a1afce98cb4a473882b4199ed436c3fe31624ff9d65ceb66d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49c151184de6b0a1afce98cb4a473882b4199ed436c3fe31624ff9d65ceb66d3", kill_on_drop: false }` [INFO] [stdout] 49c151184de6b0a1afce98cb4a473882b4199ed436c3fe31624ff9d65ceb66d3