[INFO] fetching crate cs_mwc_config 5.3.9...
[INFO] testing cs_mwc_config-5.3.9 against 1.95.0 for beta-1.96-1
[INFO] extracting crate cs_mwc_config 5.3.9 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cs_mwc_config 5.3.9
[INFO] finished tweaking crates.io crate cs_mwc_config 5.3.9
[INFO] tweaked toml for crates.io crate cs_mwc_config 5.3.9 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cs_mwc_config 5.3.9 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cs_mwc_config 5.3.9 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cs_mwc_util v5.3.9
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded libredox v0.1.4
[INFO] [stderr]   Downloaded socks v0.3.4
[INFO] [stderr]   Downloaded atomic_float v1.1.0
[INFO] [stderr]   Downloaded tor-stream v0.2.0
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded async-executor v1.13.2
[INFO] [stderr]   Downloaded async-io v2.4.1
[INFO] [stderr]   Downloaded polling v3.8.0
[INFO] [stderr]   Downloaded cs_mwc_keychain v5.3.9
[INFO] [stderr]   Downloaded cs_mwc_core v5.3.9
[INFO] [stderr]   Downloaded io-uring v0.7.8
[INFO] [stderr]   Downloaded cs_mwc_secp256k1zkp v0.7.16
[INFO] [stderr]   Downloaded async-std v1.13.1
[INFO] [stderr]   Downloaded cc v1.2.29
[INFO] [stderr]   Downloaded sysinfo v0.9.6
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded futures-lite v2.6.0
[INFO] [stderr]   Downloaded cs_mwc_store v5.3.9
[INFO] [stderr]   Downloaded cs_mwc_chain v5.3.9
[INFO] [stderr]   Downloaded cs_easy-jsonrpc-proc-macro-mwc v0.5.2
[INFO] [stderr]   Downloaded cs_mwc_servers v5.3.9
[INFO] [stderr]   Downloaded cs_easy-jsonrpc-mwc v0.5.6
[INFO] [stderr]   Downloaded cs_mwc_pool v5.3.9
[INFO] [stderr]   Downloaded cs_mwc_api v5.3.9
[INFO] [stderr]   Downloaded cs_mwc_p2p v5.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eb454a7c6d97bfaad2058ee919b7bee0a28db69f6db16f67e22ad0f3ddffacb
[INFO] running `Command { std: "docker" "start" "-a" "8eb454a7c6d97bfaad2058ee919b7bee0a28db69f6db16f67e22ad0f3ddffacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb454a7c6d97bfaad2058ee919b7bee0a28db69f6db16f67e22ad0f3ddffacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb454a7c6d97bfaad2058ee919b7bee0a28db69f6db16f67e22ad0f3ddffacb", kill_on_drop: false }`
[INFO] [stdout] 8eb454a7c6d97bfaad2058ee919b7bee0a28db69f6db16f67e22ad0f3ddffacb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63009935f95cb3d79ee688327cf32fe2bb81e774500208bf2bd34f8e50df3140
[INFO] running `Command { std: "docker" "start" "-a" "63009935f95cb3d79ee688327cf32fe2bb81e774500208bf2bd34f8e50df3140", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling cs_mwc_secp256k1zkp v0.7.16
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling croaring-sys v2.1.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling thread-id v4.2.2
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling password-hash v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling ripemd160 v0.9.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling supercow v0.1.0
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling socks v0.3.4
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[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/1.95.0-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=954275ccaad90113 -C extra-filename=-e2ced9a7e8ee0f07 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-548f1cc60e53a77d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ef766426cad9ec0c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-5540d6de9f07d245.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" "63009935f95cb3d79ee688327cf32fe2bb81e774500208bf2bd34f8e50df3140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63009935f95cb3d79ee688327cf32fe2bb81e774500208bf2bd34f8e50df3140", kill_on_drop: false }`
[INFO] [stdout] 63009935f95cb3d79ee688327cf32fe2bb81e774500208bf2bd34f8e50df3140