[INFO] fetching crate gcache 0.0.1... [INFO] testing gcache-0.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate gcache 0.0.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate gcache 0.0.1 [INFO] finished tweaking crates.io crate gcache 0.0.1 [INFO] tweaked toml for crates.io crate gcache 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gcache 0.0.1 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 59 packages to latest compatible versions [INFO] [stderr] Adding nix v0.27.1 (available: v0.30.1) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 35cf5b0c4abe89b1958edbcfe6f719fe7308255bca7999c99dbf55b3694b0f7e [INFO] running `Command { std: "docker" "start" "-a" "35cf5b0c4abe89b1958edbcfe6f719fe7308255bca7999c99dbf55b3694b0f7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35cf5b0c4abe89b1958edbcfe6f719fe7308255bca7999c99dbf55b3694b0f7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35cf5b0c4abe89b1958edbcfe6f719fe7308255bca7999c99dbf55b3694b0f7e", kill_on_drop: false }` [INFO] [stdout] 35cf5b0c4abe89b1958edbcfe6f719fe7308255bca7999c99dbf55b3694b0f7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a15f691f958be88f3e3318de7b5f3d5ed48c6ed20306a0cf0b6d8bb40cffb186 [INFO] running `Command { std: "docker" "start" "-a" "a15f691f958be88f3e3318de7b5f3d5ed48c6ed20306a0cf0b6d8bb40cffb186", kill_on_drop: false }` [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling nu-ansi-term v0.50.1 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.6 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling nix v0.27.1 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling tracing-subscriber v0.3.20 [INFO] [stderr] Compiling gcache v0.0.1 (/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(impl_trait_in_assoc_type)] [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:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/peer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [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 imports: `AtomicU64` and `Ordering` [INFO] [stdout] --> src/peer.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::atomic::{AtomicU64, Ordering}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/peer.rs:9:64 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::{self, AsyncReadExt, AsyncWrite, AsyncWriteExt, BufWriter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::Bytes` [INFO] [stdout] --> src/store/file.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncWriteExt` [INFO] [stdout] --> src/store/file.rs:4:62 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io::{self, AsyncRead, AsyncReadExt, AsyncSeekExt, AsyncWriteExt, SeekFrom}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/protocol.rs:67:25 [INFO] [stdout] | [INFO] [stdout] 67 | Read { key, offset, limit } => 2 + key.len() + 16, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `offset: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `limit` [INFO] [stdout] --> src/protocol.rs:67:33 [INFO] [stdout] | [INFO] [stdout] 67 | Read { key, offset, limit } => 2 + key.len() + 16, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `limit: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `gcache` (lib) due to 2 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a15f691f958be88f3e3318de7b5f3d5ed48c6ed20306a0cf0b6d8bb40cffb186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a15f691f958be88f3e3318de7b5f3d5ed48c6ed20306a0cf0b6d8bb40cffb186", kill_on_drop: false }` [INFO] [stdout] a15f691f958be88f3e3318de7b5f3d5ed48c6ed20306a0cf0b6d8bb40cffb186