[INFO] fetching crate rustrict 0.7.38...
[INFO] testing rustrict-0.7.38 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rustrict 0.7.38 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rustrict 0.7.38
[INFO] finished tweaking crates.io crate rustrict 0.7.38
[INFO] tweaked toml for crates.io crate rustrict 0.7.38 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustrict 0.7.38 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustrict 0.7.38 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2031f5d286f276ae6cd0df7abd59d8297815569f784649f4fc6fabec09911e39
[INFO] running `Command { std: "docker" "start" "-a" "2031f5d286f276ae6cd0df7abd59d8297815569f784649f4fc6fabec09911e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2031f5d286f276ae6cd0df7abd59d8297815569f784649f4fc6fabec09911e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2031f5d286f276ae6cd0df7abd59d8297815569f784649f4fc6fabec09911e39", kill_on_drop: false }`
[INFO] [stdout] 2031f5d286f276ae6cd0df7abd59d8297815569f784649f4fc6fabec09911e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6ba3343815c13fb518d21d4e19051d6a732f9ead823416c3f4c023676d705a
[INFO] running `Command { std: "docker" "start" "-a" "7f6ba3343815c13fb518d21d4e19051d6a732f9ead823416c3f4c023676d705a", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling finl_unicode v1.2.0
[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 v0.7.38 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "7f6ba3343815c13fb518d21d4e19051d6a732f9ead823416c3f4c023676d705a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6ba3343815c13fb518d21d4e19051d6a732f9ead823416c3f4c023676d705a", kill_on_drop: false }`
[INFO] [stdout] 7f6ba3343815c13fb518d21d4e19051d6a732f9ead823416c3f4c023676d705a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae75645568b4e1e4c30d7f8be2e326a9c9cd541e171f85db706165a12c029b14
[INFO] running `Command { std: "docker" "start" "-a" "ae75645568b4e1e4c30d7f8be2e326a9c9cd541e171f85db706165a12c029b14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[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 rand_core v0.6.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling censor v0.3.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rustrict v0.7.36
[INFO] [stderr]    Compiling stfu v0.1.0
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rustrict v0.7.38 (/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] warning: lint `soft_unstable` has been removed: the general soft-unstable mechanism has been removed
[INFO] [stdout]     --> src/censor.rs:1374:13
[INFO] [stdout]      |
[INFO] [stdout] 1374 |     #[allow(soft_unstable)]
[INFO] [stdout]      |             ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `soft_unstable` has been removed: the general soft-unstable mechanism has been removed
[INFO] [stdout]     --> src/censor.rs:1380:13
[INFO] [stdout]      |
[INFO] [stdout] 1380 |     #[allow(soft_unstable)]
[INFO] [stdout]      |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `soft_unstable` has been removed: the general soft-unstable mechanism has been removed
[INFO] [stdout]     --> src/censor.rs:1386:13
[INFO] [stdout]      |
[INFO] [stdout] 1386 |     #[allow(soft_unstable)]
[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; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ae75645568b4e1e4c30d7f8be2e326a9c9cd541e171f85db706165a12c029b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae75645568b4e1e4c30d7f8be2e326a9c9cd541e171f85db706165a12c029b14", kill_on_drop: false }`
[INFO] [stdout] ae75645568b4e1e4c30d7f8be2e326a9c9cd541e171f85db706165a12c029b14
