[INFO] fetching crate rmz 3.1.1...
[INFO] testing rmz-3.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rmz 3.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rmz 3.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rmz 3.1.1
[INFO] tweaked toml for crates.io crate rmz 3.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmz 3.1.1 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 rmz 3.1.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98e7e6b6c92e8cd57a7494d2db75c894c466401ffd67b497688c5f2edab8f84b
[INFO] running `Command { std: "docker" "start" "-a" "98e7e6b6c92e8cd57a7494d2db75c894c466401ffd67b497688c5f2edab8f84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98e7e6b6c92e8cd57a7494d2db75c894c466401ffd67b497688c5f2edab8f84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e7e6b6c92e8cd57a7494d2db75c894c466401ffd67b497688c5f2edab8f84b", kill_on_drop: false }`
[INFO] [stdout] 98e7e6b6c92e8cd57a7494d2db75c894c466401ffd67b497688c5f2edab8f84b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e25d62d04f82cf090abc515771013fa46940d70ae8784fcda39b5396de975ef
[INFO] running `Command { std: "docker" "start" "-a" "4e25d62d04f82cf090abc515771013fa46940d70ae8784fcda39b5396de975ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling error-stack v0.5.0
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling darling_core v0.21.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling clap v4.5.41
[INFO] [stderr]    Compiling darling_macro v0.21.0
[INFO] [stderr]    Compiling darling v0.21.0
[INFO] [stderr]    Compiling bon-macros v3.6.5
[INFO] [stderr]    Compiling bon v3.6.5
[INFO] [stderr]    Compiling fuc_engine v3.1.1
[INFO] [stderr]    Compiling rmz v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.03s
[INFO] running `Command { std: "docker" "inspect" "4e25d62d04f82cf090abc515771013fa46940d70ae8784fcda39b5396de975ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e25d62d04f82cf090abc515771013fa46940d70ae8784fcda39b5396de975ef", kill_on_drop: false }`
[INFO] [stdout] 4e25d62d04f82cf090abc515771013fa46940d70ae8784fcda39b5396de975ef
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4b3ac98265d5f5a41f36da178618504c88fa5658fa210b3bd0068f2e69b06eb
[INFO] running `Command { std: "docker" "start" "-a" "d4b3ac98265d5f5a41f36da178618504c88fa5658fa210b3bd0068f2e69b06eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling content_inspector v0.2.4
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling cvt v0.1.2
[INFO] [stderr]    Compiling ftzz v4.0.0
[INFO] [stderr]    Compiling snapbox-macros v0.3.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling expect-test v1.5.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling os_pipe v1.2.2
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling toml_parser v1.0.1
[INFO] [stderr]    Compiling snapbox v0.6.21
[INFO] [stderr]    Compiling fuc_engine v3.1.1
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling fs_at v0.2.1
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling clap-num v1.2.0
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling clap-verbosity-flag2 v2.1.1
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling automod v1.0.15
[INFO] [stderr]    Compiling io-adapters v0.4.0
[INFO] [stderr]    Compiling sysexits v0.9.0
[INFO] [stderr]    Compiling bytesize v2.0.1
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling normpath v1.3.0
[INFO] [stderr]    Compiling remove_dir_all v1.0.0
[INFO] [stderr]    Compiling supercilex-tests v0.4.21
[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-0.4.21/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]    Compiling rmz v3.1.1 (/opt/rustwide/workdir)
[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" "d4b3ac98265d5f5a41f36da178618504c88fa5658fa210b3bd0068f2e69b06eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b3ac98265d5f5a41f36da178618504c88fa5658fa210b3bd0068f2e69b06eb", kill_on_drop: false }`
[INFO] [stdout] d4b3ac98265d5f5a41f36da178618504c88fa5658fa210b3bd0068f2e69b06eb