[INFO] fetching crate modality-trace-recorder-plugin 0.9.0...
[INFO] testing modality-trace-recorder-plugin-0.9.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate modality-trace-recorder-plugin 0.9.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate modality-trace-recorder-plugin 0.9.0
[INFO] finished tweaking crates.io crate modality-trace-recorder-plugin 0.9.0
[INFO] tweaked toml for crates.io crate modality-trace-recorder-plugin 0.9.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modality-trace-recorder-plugin 0.9.0 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 modality-trace-recorder-plugin 0.9.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ecb5f8c1fe13296e41b6dc0da99a84f59d95e539ca454fd3c51bc296a67c19b
[INFO] running `Command { std: "docker" "start" "-a" "7ecb5f8c1fe13296e41b6dc0da99a84f59d95e539ca454fd3c51bc296a67c19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ecb5f8c1fe13296e41b6dc0da99a84f59d95e539ca454fd3c51bc296a67c19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecb5f8c1fe13296e41b6dc0da99a84f59d95e539ca454fd3c51bc296a67c19b", kill_on_drop: false }`
[INFO] [stdout] 7ecb5f8c1fe13296e41b6dc0da99a84f59d95e539ca454fd3c51bc296a67c19b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edbf4ceecf17f7ff193ce508e3f408049b6935c945f41f0cbf61ba63ba535bb1
[INFO] running `Command { std: "docker" "start" "-a" "edbf4ceecf17f7ff193ce508e3f408049b6935c945f41f0cbf61ba63ba535bb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling indexmap v2.2.3
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling minicbor v0.13.2
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.10
[INFO] [stderr]    Compiling binrw_derive v0.12.0
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling hidapi v2.6.0
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling winnow v0.6.2
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling binrw v0.12.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]    Compiling supports-color v2.1.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling supports-unicode v2.1.0
[INFO] [stderr]    Compiling supports-hyperlinks v2.1.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling parse_int v0.6.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling zero v0.1.3
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling xmas-elf v0.9.1
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling anstream v0.6.12
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling futures-lite v2.2.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling boolean_expression v0.3.11
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling rmp v0.8.12
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling udev v0.8.0
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=20d032a821212f0f -C extra-filename=-e3741b4c654ea8f0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7b3b0a110029abf8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9dcb089fbc983d15.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.51/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 --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"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=b89765182a5a583e -C extra-filename=-e0f9b0701b59528b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7b3b0a110029abf8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9dcb089fbc983d15.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "edbf4ceecf17f7ff193ce508e3f408049b6935c945f41f0cbf61ba63ba535bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edbf4ceecf17f7ff193ce508e3f408049b6935c945f41f0cbf61ba63ba535bb1", kill_on_drop: false }`
[INFO] [stdout] edbf4ceecf17f7ff193ce508e3f408049b6935c945f41f0cbf61ba63ba535bb1