[INFO] fetching crate max_size_vec 0.1.0... [INFO] testing max_size_vec-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate max_size_vec 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate max_size_vec 0.1.0 [INFO] finished tweaking crates.io crate max_size_vec 0.1.0 [INFO] tweaked toml for crates.io crate max_size_vec 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate max_size_vec 0.1.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b3b9ec1f6077e599d4e356af8109c0ce54813932c21a5c0989f31f735bdcb7f [INFO] running `Command { std: "docker" "start" "-a" "2b3b9ec1f6077e599d4e356af8109c0ce54813932c21a5c0989f31f735bdcb7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b3b9ec1f6077e599d4e356af8109c0ce54813932c21a5c0989f31f735bdcb7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b3b9ec1f6077e599d4e356af8109c0ce54813932c21a5c0989f31f735bdcb7f", kill_on_drop: false }` [INFO] [stdout] 2b3b9ec1f6077e599d4e356af8109c0ce54813932c21a5c0989f31f735bdcb7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a33547d8b50cf59d6ffc1bec4da1822ccbbc1c72c97528f24add1801b1c80cf [INFO] running `Command { std: "docker" "start" "-a" "4a33547d8b50cf59d6ffc1bec4da1822ccbbc1c72c97528f24add1801b1c80cf", kill_on_drop: false }` [INFO] [stderr] Compiling max_size_vec 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:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | #![feature(min_const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `min_const_generics` has been stable since `1.51.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/lib.rs:162:73 [INFO] [stdout] | [INFO] [stdout] 162 | impl PartialEq<[T; {OTHER}]> for MaxSizeVec { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 162 - impl PartialEq<[T; {OTHER}]> for MaxSizeVec { [INFO] [stdout] 162 + impl PartialEq<[T; OTHER]> for MaxSizeVec { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/lib.rs:163:30 [INFO] [stdout] | [INFO] [stdout] 163 | fn eq(&self, other: &[T; {OTHER}]) -> bool { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 163 - fn eq(&self, other: &[T; {OTHER}]) -> bool { [INFO] [stdout] 163 + fn eq(&self, other: &[T; OTHER]) -> bool { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/lib.rs:168:74 [INFO] [stdout] | [INFO] [stdout] 168 | impl PartialEq<&[T; {OTHER}]> for MaxSizeVec { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 168 - impl PartialEq<&[T; {OTHER}]> for MaxSizeVec { [INFO] [stdout] 168 + impl PartialEq<&[T; OTHER]> for MaxSizeVec { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/lib.rs:169:31 [INFO] [stdout] | [INFO] [stdout] 169 | fn eq(&self, other: &&[T; {OTHER}]) -> bool { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 169 - fn eq(&self, other: &&[T; {OTHER}]) -> bool { [INFO] [stdout] 169 + fn eq(&self, other: &&[T; OTHER]) -> bool { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | #![feature(min_const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `max_size_vec` (lib) due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4a33547d8b50cf59d6ffc1bec4da1822ccbbc1c72c97528f24add1801b1c80cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a33547d8b50cf59d6ffc1bec4da1822ccbbc1c72c97528f24add1801b1c80cf", kill_on_drop: false }` [INFO] [stdout] 4a33547d8b50cf59d6ffc1bec4da1822ccbbc1c72c97528f24add1801b1c80cf