[INFO] fetching crate sweet_test 0.4.1...
[INFO] testing sweet_test-0.4.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate sweet_test 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sweet_test 0.4.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sweet_test 0.4.1
[INFO] tweaked toml for crates.io crate sweet_test 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sweet_test 0.4.1 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] crate crates.io crate sweet_test 0.4.1 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" "+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] d557ac0b8d3cd22f783aee12e8c91221dc46e1037616851a179e5fb3c9756e27
[INFO] running `Command { std: "docker" "start" "-a" "d557ac0b8d3cd22f783aee12e8c91221dc46e1037616851a179e5fb3c9756e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d557ac0b8d3cd22f783aee12e8c91221dc46e1037616851a179e5fb3c9756e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d557ac0b8d3cd22f783aee12e8c91221dc46e1037616851a179e5fb3c9756e27", kill_on_drop: false }`
[INFO] [stdout] d557ac0b8d3cd22f783aee12e8c91221dc46e1037616851a179e5fb3c9756e27
[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] 069689ba63c721537b173c8422a3e70a7fce951c1cb0040a95a5292d9113b146
[INFO] running `Command { std: "docker" "start" "-a" "069689ba63c721537b173c8422a3e70a7fce951c1cb0040a95a5292d9113b146", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling file-id v0.2.2
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling rapidhash v1.4.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling path-clean v1.0.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling colorize v0.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.34
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling notify v8.0.0
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling notify-debouncer-full v0.5.0
[INFO] [stderr]    Compiling ctrlc v3.4.5
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling sweet_test_macros v0.4.1
[INFO] [stderr]    Compiling tokio v1.44.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling clap v4.5.34
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling sweet_utils v0.4.1
[INFO] [stderr]    Compiling sweet_fs v0.4.1
[INFO] [stderr]    Compiling sweet_test v0.4.1 (/opt/rustwide/workdir)
[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(test)]
[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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(panic_payload_as_str)]
[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:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `panic_payload_as_str` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(panic_payload_as_str)]
[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 `sweet_test` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "069689ba63c721537b173c8422a3e70a7fce951c1cb0040a95a5292d9113b146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069689ba63c721537b173c8422a3e70a7fce951c1cb0040a95a5292d9113b146", kill_on_drop: false }`
[INFO] [stdout] 069689ba63c721537b173c8422a3e70a7fce951c1cb0040a95a5292d9113b146
