[INFO] fetching crate sweet_web 0.4.1...
[INFO] testing sweet_web-0.4.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate sweet_web 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate sweet_web 0.4.1
[INFO] finished tweaking crates.io crate sweet_web 0.4.1
[INFO] tweaked toml for crates.io crate sweet_web 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sweet_web 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_web 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fb82037aafe16e520caa1bbcb29dbb1e398d225226211bd438041be2933e7eca
[INFO] running `Command { std: "docker" "start" "-a" "fb82037aafe16e520caa1bbcb29dbb1e398d225226211bd438041be2933e7eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb82037aafe16e520caa1bbcb29dbb1e398d225226211bd438041be2933e7eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb82037aafe16e520caa1bbcb29dbb1e398d225226211bd438041be2933e7eca", kill_on_drop: false }`
[INFO] [stdout] fb82037aafe16e520caa1bbcb29dbb1e398d225226211bd438041be2933e7eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9a5d3ededdce98ce32cd7dc3a6b0caf0a8bc2e2cb0a2ec5d5661253e400e5ae5
[INFO] running `Command { std: "docker" "start" "-a" "9a5d3ededdce98ce32cd7dc3a6b0caf0a8bc2e2cb0a2ec5d5661253e400e5ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling rapidhash v1.4.0
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling path-clean v1.0.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling clap_builder v4.5.34
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling clap v4.5.34
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]    Compiling js-sys v0.3.77
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling sweet_utils v0.4.1
[INFO] [stderr]    Compiling web-sys v0.3.77
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.50
[INFO] [stderr]    Compiling sweet_web v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.53s
[INFO] running `Command { std: "docker" "inspect" "9a5d3ededdce98ce32cd7dc3a6b0caf0a8bc2e2cb0a2ec5d5661253e400e5ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5d3ededdce98ce32cd7dc3a6b0caf0a8bc2e2cb0a2ec5d5661253e400e5ae5", kill_on_drop: false }`
[INFO] [stdout] 9a5d3ededdce98ce32cd7dc3a6b0caf0a8bc2e2cb0a2ec5d5661253e400e5ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7af222e99aa5450188bc7dcc8eecd055d01ace32d9f0fe739f404d4b1ffb360
[INFO] running `Command { std: "docker" "start" "-a" "e7af222e99aa5450188bc7dcc8eecd055d01ace32d9f0fe739f404d4b1ffb360", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling sweet_test_macros v0.4.1
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling colorize v0.1.0
[INFO] [stderr]    Compiling tokio v1.44.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling js-sys v0.3.77
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling notify v8.0.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[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 futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling sweet_fs v0.4.1
[INFO] [stderr]    Compiling sweet_test v0.4.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sweet_test-0.4.1/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]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sweet_test-0.4.1/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]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sweet_test-0.4.1/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.50
[INFO] [stderr]    Compiling web-sys v0.3.77
[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
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e7af222e99aa5450188bc7dcc8eecd055d01ace32d9f0fe739f404d4b1ffb360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7af222e99aa5450188bc7dcc8eecd055d01ace32d9f0fe739f404d4b1ffb360", kill_on_drop: false }`
[INFO] [stdout] e7af222e99aa5450188bc7dcc8eecd055d01ace32d9f0fe739f404d4b1ffb360