[INFO] fetching crate rmz 3.1.1...
[INFO] testing rmz-3.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rmz 3.1.1 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmz 3.1.1 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 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-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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50c35a87f9d75acd78b38d9525bae7b2bca97e5208c5a4facf9a46f0765ffb3a
[INFO] running `Command { std: "docker" "start" "-a" "50c35a87f9d75acd78b38d9525bae7b2bca97e5208c5a4facf9a46f0765ffb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50c35a87f9d75acd78b38d9525bae7b2bca97e5208c5a4facf9a46f0765ffb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c35a87f9d75acd78b38d9525bae7b2bca97e5208c5a4facf9a46f0765ffb3a", kill_on_drop: false }`
[INFO] [stdout] 50c35a87f9d75acd78b38d9525bae7b2bca97e5208c5a4facf9a46f0765ffb3a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d45d94718f41852104caf7ccee51c77452dee629d0f4cfa5ebca0ffde8e447c
[INFO] running `Command { std: "docker" "start" "-a" "7d45d94718f41852104caf7ccee51c77452dee629d0f4cfa5ebca0ffde8e447c", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling error-stack v0.5.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[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 thiserror v2.0.12
[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 20.97s
[INFO] running `Command { std: "docker" "inspect" "7d45d94718f41852104caf7ccee51c77452dee629d0f4cfa5ebca0ffde8e447c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d45d94718f41852104caf7ccee51c77452dee629d0f4cfa5ebca0ffde8e447c", kill_on_drop: false }`
[INFO] [stdout] 7d45d94718f41852104caf7ccee51c77452dee629d0f4cfa5ebca0ffde8e447c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f071406d94b2cdce0aaf12319d672a14872599cbaf0b10904148afc4bb896449
[INFO] running `Command { std: "docker" "start" "-a" "f071406d94b2cdce0aaf12319d672a14872599cbaf0b10904148afc4bb896449", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling snapbox-macros v0.3.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling os_pipe v1.2.2
[INFO] [stderr]    Compiling content_inspector v0.2.4
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling ftzz v4.0.0
[INFO] [stderr]    Compiling cvt v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling expect-test v1.5.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling fuc_engine v3.1.1
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling fs_at v0.2.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling snapbox v0.6.21
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap-verbosity-flag2 v2.1.1
[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 oorandom v11.1.5
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling bytesize v2.0.1
[INFO] [stderr]    Compiling normpath v1.3.0
[INFO] [stderr]    Compiling supercilex-tests v0.4.21
[INFO] [stderr]    Compiling rmz v3.1.1 (/opt/rustwide/workdir)
[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] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr] error: could not compile `supercilex-tests` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f071406d94b2cdce0aaf12319d672a14872599cbaf0b10904148afc4bb896449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f071406d94b2cdce0aaf12319d672a14872599cbaf0b10904148afc4bb896449", kill_on_drop: false }`
[INFO] [stdout] f071406d94b2cdce0aaf12319d672a14872599cbaf0b10904148afc4bb896449
