[INFO] fetching crate rustrict 0.7.36...
[INFO] testing rustrict-0.7.36 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rustrict 0.7.36 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rustrict 0.7.36
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rustrict 0.7.36
[INFO] tweaked toml for crates.io crate rustrict 0.7.36 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustrict 0.7.36 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustrict 0.7.36 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6cbded51252cb38ef057a6b0b0829dcbaac49ded9f3b506600d5e2389d5b6f9
[INFO] running `Command { std: "docker" "start" "-a" "a6cbded51252cb38ef057a6b0b0829dcbaac49ded9f3b506600d5e2389d5b6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6cbded51252cb38ef057a6b0b0829dcbaac49ded9f3b506600d5e2389d5b6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6cbded51252cb38ef057a6b0b0829dcbaac49ded9f3b506600d5e2389d5b6f9", kill_on_drop: false }`
[INFO] [stdout] a6cbded51252cb38ef057a6b0b0829dcbaac49ded9f3b506600d5e2389d5b6f9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a91ed63cec2227575cb307c1e48b2e540eeef81db3556b3845f26bbe7c1712c5
[INFO] running `Command { std: "docker" "start" "-a" "a91ed63cec2227575cb307c1e48b2e540eeef81db3556b3845f26bbe7c1712c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling finl_unicode v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling rustrict v0.7.36 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "a91ed63cec2227575cb307c1e48b2e540eeef81db3556b3845f26bbe7c1712c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91ed63cec2227575cb307c1e48b2e540eeef81db3556b3845f26bbe7c1712c5", kill_on_drop: false }`
[INFO] [stdout] a91ed63cec2227575cb307c1e48b2e540eeef81db3556b3845f26bbe7c1712c5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12ca60c48e599d23ed2ae4b9d29a70d9c3f345dfb1d73a1c3fd4f76855ef6508
[INFO] running `Command { std: "docker" "start" "-a" "12ca60c48e599d23ed2ae4b9d29a70d9c3f345dfb1d73a1c3fd4f76855ef6508", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rustrict v0.7.24
[INFO] [stderr]    Compiling profane-rs v0.0.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling stfu v0.1.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling censor v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rustrict v0.7.36 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(test, 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 `rustrict` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "12ca60c48e599d23ed2ae4b9d29a70d9c3f345dfb1d73a1c3fd4f76855ef6508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ca60c48e599d23ed2ae4b9d29a70d9c3f345dfb1d73a1c3fd4f76855ef6508", kill_on_drop: false }`
[INFO] [stdout] 12ca60c48e599d23ed2ae4b9d29a70d9c3f345dfb1d73a1c3fd4f76855ef6508