[INFO] fetching crate cmtc 0.1.2...
[INFO] testing cmtc-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cmtc 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cmtc 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cmtc 0.1.2
[INFO] tweaked toml for crates.io crate cmtc 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cmtc 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cmtc 0.1.2 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-2025-09-21" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2dfc32d90f9261e3d7c8727bd870f67cad082b1825aa338c030d4046dfecb73
[INFO] running `Command { std: "docker" "start" "-a" "c2dfc32d90f9261e3d7c8727bd870f67cad082b1825aa338c030d4046dfecb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2dfc32d90f9261e3d7c8727bd870f67cad082b1825aa338c030d4046dfecb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2dfc32d90f9261e3d7c8727bd870f67cad082b1825aa338c030d4046dfecb73", kill_on_drop: false }`
[INFO] [stdout] c2dfc32d90f9261e3d7c8727bd870f67cad082b1825aa338c030d4046dfecb73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb79a44d26e34de4a146de464d990874720c9c2dc6ecbc9de3af9b83a3dfef1a
[INFO] running `Command { std: "docker" "start" "-a" "fb79a44d26e34de4a146de464d990874720c9c2dc6ecbc9de3af9b83a3dfef1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]    Compiling concolor-query v0.3.3
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling concolor v0.1.1
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling clap_builder v4.5.24
[INFO] [stderr]    Compiling ariadne v0.5.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling fancy-regex v0.3.5
[INFO] [stderr]    Compiling logos-codegen v0.14.4
[INFO] [stderr]    Compiling change-case v0.2.0
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling visible v0.0.1
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling fern v0.7.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling logos-derive v0.14.4
[INFO] [stderr]    Compiling kir-macros v0.1.2
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling logos v0.14.4
[INFO] [stderr]    Compiling ttgraph_macros v0.4.1
[INFO] [stderr]    Compiling cmtrs_macros v0.1.2
[INFO] [stderr]    Compiling pub-fields v0.1.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cmtrs_macros-0.1.2/src/utils.rs:159:19
[INFO] [stdout]     |
[INFO] [stdout] 159 |   let file = span.source_file().path().to_string_lossy().to_string();
[INFO] [stdout]     |                   ^^^^^^^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling location-macros v0.1.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr] error: could not compile `cmtrs_macros` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fb79a44d26e34de4a146de464d990874720c9c2dc6ecbc9de3af9b83a3dfef1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb79a44d26e34de4a146de464d990874720c9c2dc6ecbc9de3af9b83a3dfef1a", kill_on_drop: false }`
[INFO] [stdout] fb79a44d26e34de4a146de464d990874720c9c2dc6ecbc9de3af9b83a3dfef1a