[INFO] fetching crate assemble-std 0.2.0...
[INFO] testing assemble-std-0.2.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate assemble-std 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate assemble-std 0.2.0
[INFO] finished tweaking crates.io crate assemble-std 0.2.0
[INFO] tweaked toml for crates.io crate assemble-std 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate assemble-std 0.2.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate assemble-std 0.2.0 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 670d53cacf879bbab5a34b76a94dd6488ddba7a905c29cffe4505fc342125f12
[INFO] running `Command { std: "docker" "start" "-a" "670d53cacf879bbab5a34b76a94dd6488ddba7a905c29cffe4505fc342125f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "670d53cacf879bbab5a34b76a94dd6488ddba7a905c29cffe4505fc342125f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "670d53cacf879bbab5a34b76a94dd6488ddba7a905c29cffe4505fc342125f12", kill_on_drop: false }`
[INFO] [stdout] 670d53cacf879bbab5a34b76a94dd6488ddba7a905c29cffe4505fc342125f12
[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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b4d59d92b6f46d67f4fa49b2d128091d0a0c1e188745b9f87ed6fcc771bb7b
[INFO] running `Command { std: "docker" "start" "-a" "a7b4d59d92b6f46d67f4fa49b2d128091d0a0c1e188745b9f87ed6fcc771bb7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling gimli v0.27.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling object v0.30.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling nom8 v0.1.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling thread-id v4.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling console v0.15.3
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling is-terminal v0.4.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling tint v1.0.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling ipnet v2.7.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling indicatif v0.17.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling uuid v1.2.2
[INFO] [stderr]    Compiling fern v0.6.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling assemble-build v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling merge_derive v0.1.0
[INFO] [stderr]    Compiling assemble-std v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: assemble-std@0.2.0: "/opt/rustwide/workdir/src/lib.rs"
[INFO] [stderr]    Compiling merge v0.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling clap v4.0.32
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling assemble-macros v0.2.0
[INFO] [stderr]    Compiling h2 v0.3.15
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.23
[INFO] [stderr]    Compiling toml v0.5.10
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling toml_datetime v0.5.0
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling ron v0.8.0
[INFO] [stderr]    Compiling toml_edit v0.16.1
[INFO] [stderr]    Compiling config v0.11.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.13
[INFO] [stderr]    Compiling ptree v0.4.0
[INFO] [stderr]    Compiling assemble-core v0.2.0
[INFO] [stdout] error[E0565]: malformed `feature` attribute input
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assemble-core-0.2.0/src/unstable.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     #[feature(feature = "text_factory")]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^----------------^^
[INFO] [stdout]    |     |                 |
[INFO] [stdout]    |     |                 didn't expect any arguments here
[INFO] [stdout]    |     help: must be of the form: `#[feature(feature1, feature2, ...)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0565`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `assemble-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a7b4d59d92b6f46d67f4fa49b2d128091d0a0c1e188745b9f87ed6fcc771bb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b4d59d92b6f46d67f4fa49b2d128091d0a0c1e188745b9f87ed6fcc771bb7b", kill_on_drop: false }`
[INFO] [stdout] a7b4d59d92b6f46d67f4fa49b2d128091d0a0c1e188745b9f87ed6fcc771bb7b