[INFO] fetching crate lockness-executor 0.0.1...
[INFO] testing lockness-executor-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate lockness-executor 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate lockness-executor 0.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lockness-executor 0.0.1
[INFO] tweaked toml for crates.io crate lockness-executor 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lockness-executor 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] crate crates.io crate lockness-executor 0.0.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7a872279da70d6f2e56276e1375f0afa6913865d0871a2600867caf86c2082de
[INFO] running `Command { std: "docker" "start" "-a" "7a872279da70d6f2e56276e1375f0afa6913865d0871a2600867caf86c2082de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a872279da70d6f2e56276e1375f0afa6913865d0871a2600867caf86c2082de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a872279da70d6f2e56276e1375f0afa6913865d0871a2600867caf86c2082de", kill_on_drop: false }`
[INFO] [stdout] 7a872279da70d6f2e56276e1375f0afa6913865d0871a2600867caf86c2082de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e7e9713fd731e59af344704d417d5ecebc19fc5644e0aa7f6356cc0047d30566
[INFO] running `Command { std: "docker" "start" "-a" "e7e9713fd731e59af344704d417d5ecebc19fc5644e0aa7f6356cc0047d30566", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling lockness-executor v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "e7e9713fd731e59af344704d417d5ecebc19fc5644e0aa7f6356cc0047d30566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e9713fd731e59af344704d417d5ecebc19fc5644e0aa7f6356cc0047d30566", kill_on_drop: false }`
[INFO] [stdout] e7e9713fd731e59af344704d417d5ecebc19fc5644e0aa7f6356cc0047d30566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e2d7d058e3a5fa62c417badc6fe3c1835d56fc333b7aadecccba1af0744f1f6d
[INFO] running `Command { std: "docker" "start" "-a" "e2d7d058e3a5fa62c417badc6fe3c1835d56fc333b7aadecccba1af0744f1f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling hashbag v0.1.12
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling expect-test v1.5.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling ringbuf v0.4.8
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thingbuf v0.1.6
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling rstest v0.25.0
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]    Compiling rustdoc-types v0.53.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling cargo_metadata v0.19.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stderr]    Compiling public-api v0.48.0
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling cargo-manifest v0.19.1
[INFO] [stderr]    Compiling rustdoc-json v0.9.6
[INFO] [stderr]    Compiling supercilex-tests v0.4.19
[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/supercilex-tests-0.4.19/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exit_status_error)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `supercilex-tests` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e2d7d058e3a5fa62c417badc6fe3c1835d56fc333b7aadecccba1af0744f1f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d7d058e3a5fa62c417badc6fe3c1835d56fc333b7aadecccba1af0744f1f6d", kill_on_drop: false }`
[INFO] [stdout] e2d7d058e3a5fa62c417badc6fe3c1835d56fc333b7aadecccba1af0744f1f6d