[INFO] fetching crate meowstore_binbuf 0.1.0...
[INFO] testing meowstore_binbuf-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate meowstore_binbuf 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate meowstore_binbuf 0.1.0
[INFO] finished tweaking crates.io crate meowstore_binbuf 0.1.0
[INFO] tweaked toml for crates.io crate meowstore_binbuf 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate meowstore_binbuf 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 28fcf0e5eb1920aaf65995e6b1d62b6b7795878084cfc855cfa39f6fb4479a21
[INFO] running `Command { std: "docker" "start" "-a" "28fcf0e5eb1920aaf65995e6b1d62b6b7795878084cfc855cfa39f6fb4479a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28fcf0e5eb1920aaf65995e6b1d62b6b7795878084cfc855cfa39f6fb4479a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28fcf0e5eb1920aaf65995e6b1d62b6b7795878084cfc855cfa39f6fb4479a21", kill_on_drop: false }`
[INFO] [stdout] 28fcf0e5eb1920aaf65995e6b1d62b6b7795878084cfc855cfa39f6fb4479a21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 195fa7f09dbc30184a6d8f5ccbc54a973bc2672079da77ef019fc69eb28fd7a5
[INFO] running `Command { std: "docker" "start" "-a" "195fa7f09dbc30184a6d8f5ccbc54a973bc2672079da77ef019fc69eb28fd7a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling to_phantom v0.1.0
[INFO] [stderr]    Compiling meowstore_binbuf_macros v0.1.0
[INFO] [stderr]    Compiling meowstore_binbuf 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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_specialization)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_exprs)]
[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:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/entry.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[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: `self`
[INFO] [stdout]  --> src/bytes_ptr.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{self, Index, IndexMut, RangeBounds};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes_ptr`
[INFO] [stdout]  --> src/impls.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{bytes_ptr, fixed::{self}, BytesPtr, Entry, Fixed};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/impls/primitive.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Fixed, entry::{Buf, BufConst, BufMut}, fixed::{self}};
[INFO] [stdout]   |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/dynamic.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 |     default fn buf_len(buf: BufConst<Self>) -> usize {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/impls/primitive.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn encode(&self, mut buf: BufMut<Self>) {
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `meowstore_binbuf` (lib) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "195fa7f09dbc30184a6d8f5ccbc54a973bc2672079da77ef019fc69eb28fd7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195fa7f09dbc30184a6d8f5ccbc54a973bc2672079da77ef019fc69eb28fd7a5", kill_on_drop: false }`
[INFO] [stdout] 195fa7f09dbc30184a6d8f5ccbc54a973bc2672079da77ef019fc69eb28fd7a5
