[INFO] fetching crate proxymore 0.8.0...
[INFO] testing proxymore-0.8.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate proxymore 0.8.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate proxymore 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate proxymore 0.8.0
[INFO] tweaked toml for crates.io crate proxymore 0.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proxymore 0.8.0 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 proxymore 0.8.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 413aac28616b1b1c5346a9bc0ef007a9abbd49a2fb3f9f95fc1089a85eae0413
[INFO] running `Command { std: "docker" "start" "-a" "413aac28616b1b1c5346a9bc0ef007a9abbd49a2fb3f9f95fc1089a85eae0413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413aac28616b1b1c5346a9bc0ef007a9abbd49a2fb3f9f95fc1089a85eae0413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413aac28616b1b1c5346a9bc0ef007a9abbd49a2fb3f9f95fc1089a85eae0413", kill_on_drop: false }`
[INFO] [stdout] 413aac28616b1b1c5346a9bc0ef007a9abbd49a2fb3f9f95fc1089a85eae0413
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0eb9d290359c389ae7b3178231f36326b6a23d620818392994041e768a79f8ab
[INFO] running `Command { std: "docker" "start" "-a" "0eb9d290359c389ae7b3178231f36326b6a23d620818392994041e768a79f8ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling thiserror v2.0.9
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling wayland-sys v0.31.5
[INFO] [stderr]    Compiling rustc-hash v2.1.0
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling fslock v0.2.1
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling quick-xml v0.36.2
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling wayland-client v0.31.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling rusticata-macros v4.1.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling foreign-types-shared v0.3.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling der v0.7.9
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling wayland-scanner v0.31.5
[INFO] [stderr]    Compiling oid-registry v0.7.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling wayland-backend v0.3.7
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling schnellru v0.2.4
[INFO] [stderr]    Compiling compact_str v0.8.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling os_pipe v1.2.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling brotli-decompressor v4.0.1
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling raw-cpuid v11.2.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling moka v0.12.8
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling brotli v7.0.0
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling pem v3.0.4
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling pkcs1 v0.7.5
[INFO] [stderr]    Compiling yasna v0.5.2
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling wayland-protocols v0.31.2
[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-2.0.91/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="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=4d635f347eb0a904 -C extra-filename=-05b9b0e4cdf72144 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d926c62de0f6400c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ec3fe0d58aa10408.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-479310822a796184.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" "0eb9d290359c389ae7b3178231f36326b6a23d620818392994041e768a79f8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb9d290359c389ae7b3178231f36326b6a23d620818392994041e768a79f8ab", kill_on_drop: false }`
[INFO] [stdout] 0eb9d290359c389ae7b3178231f36326b6a23d620818392994041e768a79f8ab
