[INFO] fetching crate snitch-detective 0.0.26...
[INFO] testing snitch-detective-0.0.26 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate snitch-detective 0.0.26 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate snitch-detective 0.0.26
[INFO] finished tweaking crates.io crate snitch-detective 0.0.26
[INFO] tweaked toml for crates.io crate snitch-detective 0.0.26 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snitch-detective 0.0.26 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 snitch-detective 0.0.26 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] 07f89e05a5bd123dad7a85dacb49815e58585648bd450747d7c8b5276c114974
[INFO] running `Command { std: "docker" "start" "-a" "07f89e05a5bd123dad7a85dacb49815e58585648bd450747d7c8b5276c114974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07f89e05a5bd123dad7a85dacb49815e58585648bd450747d7c8b5276c114974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f89e05a5bd123dad7a85dacb49815e58585648bd450747d7c8b5276c114974", kill_on_drop: false }`
[INFO] [stdout] 07f89e05a5bd123dad7a85dacb49815e58585648bd450747d7c8b5276c114974
[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] b7c07ff6a81cd6836f08c6527a9c49bda56badc8ac738d470e77b2f345d19ad1
[INFO] running `Command { std: "docker" "start" "-a" "b7c07ff6a81cd6836f08c6527a9c49bda56badc8ac738d470e77b2f345d19ad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling protobuf v3.2.0
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling aho-corasick v1.1.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling ajson v0.3.1
[INFO] [stderr]    Compiling gjson v0.8.1
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling protobuf-support v3.2.0
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling snitch-protos v0.0.97
[INFO] [stderr]    Compiling protobuf-json-mapping v3.2.0
[INFO] [stderr]    Compiling snitch-detective v0.0.26 (/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(test)]
[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 `snitch-detective` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b7c07ff6a81cd6836f08c6527a9c49bda56badc8ac738d470e77b2f345d19ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c07ff6a81cd6836f08c6527a9c49bda56badc8ac738d470e77b2f345d19ad1", kill_on_drop: false }`
[INFO] [stdout] b7c07ff6a81cd6836f08c6527a9c49bda56badc8ac738d470e77b2f345d19ad1