[INFO] fetching crate rsfu 0.1.1...
[INFO] testing rsfu-0.1.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate rsfu 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rsfu 0.1.1
[INFO] finished tweaking crates.io crate rsfu 0.1.1
[INFO] tweaked toml for crates.io crate rsfu 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsfu 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 294 packages to latest compatible versions
[INFO] [stderr]       Adding atomic v0.5.3 (available: v0.6.1)
[INFO] [stderr]       Adding bytesio v0.1.27 (available: v0.3.4)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding interceptor v0.8.2 (available: v0.17.1)
[INFO] [stderr]       Adding prometheus v0.13.4 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding rtcp v0.7.2 (available: v0.17.1)
[INFO] [stderr]       Adding rtp v0.6.8 (available: v0.17.1)
[INFO] [stderr]       Adding sdp v0.5.3 (available: v0.17.1)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding toml v0.5.11 (available: v1.0.6+spec-1.1.0)
[INFO] [stderr]       Adding turn v0.6.1 (available: v0.17.1)
[INFO] [stderr]       Adding webrtc v0.6.0 (available: v0.17.1)
[INFO] [stderr]       Adding webrtc-ice v0.9.1 (available: v0.17.1)
[INFO] [stderr]       Adding webrtc-util v0.7.0 (available: v0.17.1)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5e662d0e0367f9ec5af98453f69edd2f88aafefcbaa295e848b1ee1b0949f1db
[INFO] running `Command { std: "docker" "start" "-a" "5e662d0e0367f9ec5af98453f69edd2f88aafefcbaa295e848b1ee1b0949f1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e662d0e0367f9ec5af98453f69edd2f88aafefcbaa295e848b1ee1b0949f1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e662d0e0367f9ec5af98453f69edd2f88aafefcbaa295e848b1ee1b0949f1db", kill_on_drop: false }`
[INFO] [stdout] 5e662d0e0367f9ec5af98453f69edd2f88aafefcbaa295e848b1ee1b0949f1db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dc9230f5e4576998617e47ef0d7dac5a9d2c26bed0a0c1acb1f2d44a7f0b66e2
[INFO] running `Command { std: "docker" "start" "-a" "dc9230f5e4576998617e47ef0d7dac5a9d2c26bed0a0c1acb1f2d44a7f0b66e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling webrtc-util v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling pem-rfc7468 v0.6.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling crc v3.4.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling oid-registry v0.4.0
[INFO] [stderr]    Compiling polyval v0.5.3
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling arc-swap v1.8.2
[INFO] [stderr]    Compiling ctr v0.8.0
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling ghash v0.4.4
[INFO] [stderr]    Compiling pem v1.1.1
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling data-encoding v2.10.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling waitgroup v0.1.2
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling block-modes v0.7.0
[INFO] [stderr]    Compiling ccm v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling fns v0.0.7
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rusticata-macros v4.1.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling group v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling yasna v0.5.2
[INFO] [stderr]    Compiling aes-gcm v0.9.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[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/beta-2026-03-05-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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --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=684fc888718d8a0e -C extra-filename=-489773fda2475d6f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-154be7f81f34ed1b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a87dd5cb7e80719c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-86faa6b6bcc5b157.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] running `Command { std: "docker" "inspect" "dc9230f5e4576998617e47ef0d7dac5a9d2c26bed0a0c1acb1f2d44a7f0b66e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9230f5e4576998617e47ef0d7dac5a9d2c26bed0a0c1acb1f2d44a7f0b66e2", kill_on_drop: false }`
[INFO] [stdout] dc9230f5e4576998617e47ef0d7dac5a9d2c26bed0a0c1acb1f2d44a7f0b66e2
