[INFO] fetching crate charter 0.1.3...
[INFO] testing charter-0.1.3 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate charter 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate charter 0.1.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate charter 0.1.3
[INFO] tweaked toml for crates.io crate charter 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate charter 0.1.3 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 charter 0.1.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b0835d8ef55878c6823e318be44be79d174a1a826cad63716d588887583240d4
[INFO] running `Command { std: "docker" "start" "-a" "b0835d8ef55878c6823e318be44be79d174a1a826cad63716d588887583240d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0835d8ef55878c6823e318be44be79d174a1a826cad63716d588887583240d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0835d8ef55878c6823e318be44be79d174a1a826cad63716d588887583240d4", kill_on_drop: false }`
[INFO] [stdout] b0835d8ef55878c6823e318be44be79d174a1a826cad63716d588887583240d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2b14e7a6da70b854053012ca8b4da80f65e68b8d1cb3e5d530c05c167b08650d
[INFO] running `Command { std: "docker" "start" "-a" "2b14e7a6da70b854053012ca8b4da80f65e68b8d1cb3e5d530c05c167b08650d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling tree-sitter-language v0.1.7
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling tree-sitter v0.24.7
[INFO] [stderr]    Compiling tree-sitter-rust v0.23.3
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling tree-sitter-python v0.23.6
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling grep-matcher v0.1.8
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rmcp v0.14.0
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling clap_builder v4.5.56
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling indicatif v0.17.11
[INFO] [stderr]    Compiling grep-searcher v0.1.16
[INFO] [stderr]    Compiling ignore v0.4.25
[INFO] [stderr]    Compiling grep-regex v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]    Compiling rmcp-macros v0.14.0
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling clap v4.5.56
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling schemars v1.2.1
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling charter v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `charter` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/bin/rustc --crate-name charter --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=1 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=ecff38cc4dad9b0c -C extra-filename=-2cce0c3724a4155b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-c8353ff2dbdf9f02.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-2782e2b528d24b4f.rmeta --extern blake3=/opt/rustwide/target/debug/deps/libblake3-16207ee51520445d.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-fa10a53a46903aa4.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-c31a2217b9e1b5dc.rmeta --extern grep_regex=/opt/rustwide/target/debug/deps/libgrep_regex-948be0bae09c8e86.rmeta --extern grep_searcher=/opt/rustwide/target/debug/deps/libgrep_searcher-c6faea5bb249ece0.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-ee85ab3a50674f65.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-36f08863d70d5a0d.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-931ad3bb5c0c4582.rmeta --extern memmap2=/opt/rustwide/target/debug/deps/libmemmap2-741bcfde17d06d64.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-2fefb37d7c9fd00c.rmeta --extern rmcp=/opt/rustwide/target/debug/deps/librmcp-8740a79a180b79eb.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c6303003527e6ded.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4f8b13bf27e6a07c.rmeta --extern similar=/opt/rustwide/target/debug/deps/libsimilar-51e54c7d7de87cb4.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-b7fbde2b8ee438c4.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-7406086ed3ec9b9c.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-cf76ac8407b203f5.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-36087a0812499163.rmeta --extern tree_sitter=/opt/rustwide/target/debug/deps/libtree_sitter-ef6f3b105f8f5f96.rmeta --extern tree_sitter_python=/opt/rustwide/target/debug/deps/libtree_sitter_python-efe2adf3b238d190.rmeta --extern tree_sitter_rust=/opt/rustwide/target/debug/deps/libtree_sitter_rust-46c6ef9f3e18f9f0.rmeta --cap-lints=warn -L native=/opt/rustwide/target/debug/build/blake3-f08ea149d7a0a9f7/out -L native=/opt/rustwide/target/debug/build/blake3-f08ea149d7a0a9f7/out -L native=/opt/rustwide/target/debug/build/tree-sitter-3479627bed639331/out -L native=/opt/rustwide/target/debug/build/tree-sitter-python-aaead8fe46d1b04c/out -L native=/opt/rustwide/target/debug/build/tree-sitter-rust-b7cba46b1693b5a0/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2b14e7a6da70b854053012ca8b4da80f65e68b8d1cb3e5d530c05c167b08650d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b14e7a6da70b854053012ca8b4da80f65e68b8d1cb3e5d530c05c167b08650d", kill_on_drop: false }`
[INFO] [stdout] 2b14e7a6da70b854053012ca8b4da80f65e68b8d1cb3e5d530c05c167b08650d
