[INFO] fetching crate librepaper 0.0.20...
[INFO] testing librepaper-0.0.20 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate librepaper 0.0.20 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate librepaper 0.0.20
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate librepaper 0.0.20
[INFO] tweaked toml for crates.io crate librepaper 0.0.20 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate librepaper 0.0.20 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate librepaper 0.0.20 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11rb v0.14.0
[INFO] [stderr]   Downloaded x11rb-protocol v0.14.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.21.1
[INFO] [stderr]   Downloaded wayland-protocols-experimental v20251230.0.3
[INFO] [stderr]   Downloaded rmcp v3.4.0
[INFO] [stderr]   Downloaded loro-kv-store v1.16.0
[INFO] [stderr]   Downloaded loro v1.16.0
[INFO] [stderr]   Downloaded serde_columnar_derive v0.3.7
[INFO] [stderr]   Downloaded loro-common v1.16.0
[INFO] [stderr]   Downloaded serde_columnar v0.3.14
[INFO] [stderr]   Downloaded loro-rle v1.6.0
[INFO] [stderr]   Downloaded ensure-cov v0.1.0
[INFO] [stderr]   Downloaded loro-delta v1.13.0
[INFO] [stderr]   Downloaded loro_fractional_index v1.13.0
[INFO] [stderr]   Downloaded loro-thunderdome v0.6.2
[INFO] [stderr]   Downloaded pest_derive v2.9.1
[INFO] [stderr]   Downloaded arref v0.1.0
[INFO] [stderr]   Downloaded enum-as-inner v0.5.1
[INFO] [stderr]   Downloaded append-only-bytes v0.1.12
[INFO] [stderr]   Downloaded pest_generator v2.9.1
[INFO] [stderr]   Downloaded pest_meta v2.9.1
[INFO] [stderr]   Downloaded pest v2.9.1
[INFO] [stderr]   Downloaded generic-btree v0.10.7
[INFO] [stderr]   Downloaded html-escape v0.2.15
[INFO] [stderr]   Downloaded loro-internal v1.16.0
[INFO] [stderr]   Downloaded xdg v3.0.0
[INFO] [stderr]   Downloaded fmt2io v1.0.0
[INFO] [stderr]   Downloaded comrak v0.54.0
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded emojis v0.8.2
[INFO] [stderr]   Downloaded caseless v0.2.2
[INFO] [stderr]   Downloaded bon-macros v3.9.3
[INFO] [stderr]   Downloaded bon v3.9.3
[INFO] [stderr]   Downloaded agent-client-protocol v2.2.0
[INFO] [stderr]   Downloaded agent-client-protocol-schema v1.9.1
[INFO] [stderr]   Downloaded agent-client-protocol-derive v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 533297e9d29bc3df3cb8bb33c111c1c75fab6879c3fd8c65cb5b6d2e334974ad
[INFO] running `Command { std: "docker" "start" "533297e9d29bc3df3cb8bb33c111c1c75fab6879c3fd8c65cb5b6d2e334974ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "533297e9d29bc3df3cb8bb33c111c1c75fab6879c3fd8c65cb5b6d2e334974ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "533297e9d29bc3df3cb8bb33c111c1c75fab6879c3fd8c65cb5b6d2e334974ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "533297e9d29bc3df3cb8bb33c111c1c75fab6879c3fd8c65cb5b6d2e334974ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "533297e9d29bc3df3cb8bb33c111c1c75fab6879c3fd8c65cb5b6d2e334974ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling find-msvc-tools v0.1.12
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling pkg-config v0.3.34
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling bitflags v2.13.1
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-io v0.3.34
[INFO] [stderr]    Compiling zerocopy v0.8.56
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling zeroize v1.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling crossbeam-utils v0.8.22
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling rustls-pki-types v1.15.1
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling aws-lc-rs v1.18.1
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling cc v1.4.5
[INFO] [stderr]    Compiling http v1.5.0
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling event-listener v5.4.2
[INFO] [stderr]    Compiling wayland-sys v0.31.11
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling indexmap v2.14.1
[INFO] [stderr]    Compiling winnow v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.2.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling http-body v1.1.0
[INFO] [stderr]    Compiling webpki-roots v1.0.9
[INFO] [stderr]    Compiling time-core v0.1.9
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.45.0
[INFO] [stderr]    Compiling wayland-backend v0.3.17
[INFO] [stderr]    Compiling toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]    Compiling time-macros v0.2.32
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling spin v0.9.9
[INFO] [stderr]    Compiling quick-xml v0.41.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.31.15
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling toml_edit v0.25.15+spec-1.1.0
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling uuid v1.26.1
[INFO] [stderr]    Compiling wayland-scanner v0.31.11
[INFO] [stderr]    Compiling hash32 v0.2.1
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/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 debug-assertions=off --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="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", "test", "visit", "visit-mut"))' -C metadata=b9e400ea8c15e47e -C extra-filename=-1f7948a9edbdd4a6 --out-dir /opt/rustwide/target/release/deps -C strip=symbols -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-43506d4ad9f5b289.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-c5f95a448bd14a2a.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-d0d290d1559da197.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" "533297e9d29bc3df3cb8bb33c111c1c75fab6879c3fd8c65cb5b6d2e334974ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533297e9d29bc3df3cb8bb33c111c1c75fab6879c3fd8c65cb5b6d2e334974ad", kill_on_drop: false }`
[INFO] [stdout] 533297e9d29bc3df3cb8bb33c111c1c75fab6879c3fd8c65cb5b6d2e334974ad
