[INFO] cloning repository https://github.com/LayerTwo-Labs/plain-bitassets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LayerTwo-Labs/plain-bitassets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLayerTwo-Labs%2Fplain-bitassets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLayerTwo-Labs%2Fplain-bitassets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f95f909d2c0615b27af9d66d2ad3f51015d4fc4
[INFO] checking LayerTwo-Labs/plain-bitassets against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLayerTwo-Labs%2Fplain-bitassets" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LayerTwo-Labs/plain-bitassets on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/LayerTwo-Labs/plain-bitassets
[INFO] finished tweaking git repo https://github.com/LayerTwo-Labs/plain-bitassets
[INFO] tweaked toml for git repo https://github.com/LayerTwo-Labs/plain-bitassets written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LayerTwo-Labs/plain-bitassets 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Ash-L2L/bip300301.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/Ash-L2L/async-zmq.git`
[INFO] [stderr]     Updating git repository `https://github.com/meilisearch/heed`
[INFO] [stderr]     Updating git repository `https://github.com/MarijnS95/rust-zmq.git`
[INFO] [stderr]     Updating git repository `https://github.com/meilisearch/lmdb-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/meilisearch/lmdb`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpsee-ws-client v0.20.3
[INFO] [stderr]   Downloaded jsonrpsee v0.20.3
[INFO] [stderr]   Downloaded ed25519-dalek-bip32 v0.3.0
[INFO] [stderr]   Downloaded synchronoise v1.0.1
[INFO] [stderr]   Downloaded nonempty v0.8.1
[INFO] [stderr]   Downloaded zerocopy v0.3.2
[INFO] [stderr]   Downloaded hex_lit v0.1.1
[INFO] [stderr]   Downloaded fraction v0.14.0
[INFO] [stderr]   Downloaded jsonrpsee-wasm-client v0.20.3
[INFO] [stderr]   Downloaded tiny-bip39 v1.0.0
[INFO] [stderr]   Downloaded wayland-csd-frame v0.3.0
[INFO] [stderr]   Downloaded glutin-winit v0.4.2
[INFO] [stderr]   Downloaded xdg-home v1.1.0
[INFO] [stderr]   Downloaded zbus_names v2.6.1
[INFO] [stderr]   Downloaded type-map v0.5.0
[INFO] [stderr]   Downloaded zbus_macros v3.15.2
[INFO] [stderr]   Downloaded egui-wgpu v0.27.2
[INFO] [stderr]   Downloaded egui v0.27.2
[INFO] [stderr]   Downloaded epaint v0.27.2
[INFO] [stderr]   Downloaded zeromq-src v0.3.1+4.3.5
[INFO] [stderr]   Downloaded bitcoin v0.31.2
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.9
[INFO] [stderr]   Downloaded enumflags2 v0.7.9
[INFO] [stderr]   Downloaded zvariant_derive v3.15.2
[INFO] [stderr]   Downloaded zvariant v3.15.2
[INFO] [stderr]   Downloaded zbus v3.15.2
[INFO] [stderr]   Downloaded secp256k1-sys v0.9.2
[INFO] [stderr]   Downloaded accesskit_winit v0.16.1
[INFO] [stderr]   Downloaded arboard v3.3.2
[INFO] [stderr]   Downloaded egui-winit v0.27.2
[INFO] [stderr]   Downloaded emath v0.27.2
[INFO] [stderr]   Downloaded egui_glow v0.27.2
[INFO] [stderr]   Downloaded glutin_glx_sys v0.5.0
[INFO] [stderr]   Downloaded glutin v0.31.3
[INFO] [stderr]   Downloaded tiny-skia v0.11.4
[INFO] [stderr]   Downloaded wayland-protocols-wlr v0.2.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.18.1
[INFO] [stderr]   Downloaded wayland-client v0.31.2
[INFO] [stderr]   Downloaded wayland-protocols v0.31.2
[INFO] [stderr]   Downloaded wayland-protocols-plasma v0.2.0
[INFO] [stderr]   Downloaded eframe v0.27.2
[INFO] [stderr]   Downloaded psl v2.1.30
[INFO] [stderr]   Downloaded addr v0.15.6
[INFO] [stderr]   Downloaded secp256k1 v0.28.2
[INFO] [stderr]   Downloaded error-code v3.2.0
[INFO] [stderr]   Downloaded clipboard-win v5.3.0
[INFO] [stderr]   Downloaded smithay-clipboard v0.7.1
[INFO] [stderr]   Downloaded webbrowser v0.8.13
[INFO] [stderr]   Downloaded ecolor v0.27.2
[INFO] [stderr]   Downloaded glutin_egl_sys v0.6.0
[INFO] [stderr]   Downloaded calloop-wayland-source v0.2.0
[INFO] [stderr]   Downloaded dircpy v0.3.16
[INFO] [stderr]   Downloaded hex-conservative v0.1.1
[INFO] [stderr]   Downloaded jsonrpsee-http-client v0.20.3
[INFO] [stderr]   Downloaded jsonrpsee-proc-macros v0.20.3
[INFO] [stderr]   Downloaded jsonrpsee-server v0.20.3
[INFO] [stderr]   Downloaded jsonrpsee-core v0.20.3
[INFO] [stderr]   Downloaded core-graphics v0.23.2
[INFO] [stderr]   Downloaded sctk-adwaita v0.8.1
[INFO] [stderr]   Downloaded wayland-backend v0.3.3
[INFO] [stderr]   Downloaded wayland-scanner v0.31.1
[INFO] [stderr]   Downloaded human-size v0.4.3
[INFO] [stderr]   Downloaded libes v0.9.1
[INFO] [stderr]   Downloaded bech32 v0.10.0-beta
[INFO] [stderr]   Downloaded bitcoin-internals v0.2.0
[INFO] [stderr]   Downloaded jsonrpsee-client-transport v0.20.3
[INFO] [stderr]   Downloaded wayland-cursor v0.31.1
[INFO] [stderr]   Downloaded bitcoin_hashes v0.13.0
[INFO] [stderr]   Downloaded send_wrapper v0.4.0
[INFO] [stderr]   Downloaded soketto v0.7.1
[INFO] [stderr]   Downloaded jsonrpsee-types v0.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8af0a5672e5c0e65dfa0f47b82f9c16abd7e9dfdf233556932be74d5d56822fc
[INFO] running `Command { std: "docker" "start" "-a" "8af0a5672e5c0e65dfa0f47b82f9c16abd7e9dfdf233556932be74d5d56822fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af0a5672e5c0e65dfa0f47b82f9c16abd7e9dfdf233556932be74d5d56822fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af0a5672e5c0e65dfa0f47b82f9c16abd7e9dfdf233556932be74d5d56822fc", kill_on_drop: false }`
[INFO] [stdout] 8af0a5672e5c0e65dfa0f47b82f9c16abd7e9dfdf233556932be74d5d56822fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abf6c3b89d702b3559908bc3f0e25bf1bd93517c539cc21e7e5bb255f602d57d
[INFO] running `Command { std: "docker" "start" "-a" "abf6c3b89d702b3559908bc3f0e25bf1bd93517c539cc21e7e5bb255f602d57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling winnow v0.6.5
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling cfg-expr v0.15.7
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling wayland-backend v0.3.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking hex-conservative v0.1.1
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling toml_edit v0.22.9
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling jwalk v0.8.1
[INFO] [stderr]    Compiling dircpy v0.3.16
[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/385fa9d845dd326c6bbfd58c22244215e431948a/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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"' -C metadata=42a0635831c26ff8 -C extra-filename=-42a0635831c26ff8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c0a7e744780d4271.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cfd72e5a145dea92.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "abf6c3b89d702b3559908bc3f0e25bf1bd93517c539cc21e7e5bb255f602d57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf6c3b89d702b3559908bc3f0e25bf1bd93517c539cc21e7e5bb255f602d57d", kill_on_drop: false }`
[INFO] [stdout] abf6c3b89d702b3559908bc3f0e25bf1bd93517c539cc21e7e5bb255f602d57d