[INFO] fetching crate dtui 3.0.0...
[INFO] testing dtui-3.0.0 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate dtui 3.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate dtui 3.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dtui 3.0.0
[INFO] tweaked toml for crates.io crate dtui 3.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dtui 3.0.0 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 dtui 3.0.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d6c3d600e21366d18d4f3eb90b02ec088facf9b806c2f7c80016a1a6722a61fb
[INFO] running `Command { std: "docker" "start" "-a" "d6c3d600e21366d18d4f3eb90b02ec088facf9b806c2f7c80016a1a6722a61fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c3d600e21366d18d4f3eb90b02ec088facf9b806c2f7c80016a1a6722a61fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c3d600e21366d18d4f3eb90b02ec088facf9b806c2f7c80016a1a6722a61fb", kill_on_drop: false }`
[INFO] [stdout] d6c3d600e21366d18d4f3eb90b02ec088facf9b806c2f7c80016a1a6722a61fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d284bbfd4ccad9927ee7fa3e503c8acde0dfbd47a44aa795e43b5cbc6fd90b88
[INFO] running `Command { std: "docker" "start" "-a" "d284bbfd4ccad9927ee7fa3e503c8acde0dfbd47a44aa795e43b5cbc6fd90b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling instability v0.3.9
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling toml_edit v0.23.6
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling rust-ini v0.20.0
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling async-broadcast v0.7.2
[INFO] [stderr]    Compiling vte v0.14.1
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling yaml-rust2 v0.8.1
[INFO] [stderr]    Compiling strip-ansi-escapes v0.2.1
[INFO] [stderr]    Compiling chumsky v0.9.3
[INFO] [stderr]    Compiling directories v6.0.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=a7254a6c2c71da7a -C extra-filename=-89d832dad309c019 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8c1fd85bfbd67426.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-00908b49cdd59be9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-5202762c38f18e99.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d284bbfd4ccad9927ee7fa3e503c8acde0dfbd47a44aa795e43b5cbc6fd90b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d284bbfd4ccad9927ee7fa3e503c8acde0dfbd47a44aa795e43b5cbc6fd90b88", kill_on_drop: false }`
[INFO] [stdout] d284bbfd4ccad9927ee7fa3e503c8acde0dfbd47a44aa795e43b5cbc6fd90b88