[INFO] fetching crate substrate-subxt 0.15.0...
[INFO] checking substrate-subxt-0.15.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate substrate-subxt 0.15.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate substrate-subxt 0.15.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-subxt 0.15.0
[INFO] finished tweaking crates.io crate substrate-subxt 0.15.0
[INFO] tweaked toml for crates.io crate substrate-subxt 0.15.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate substrate-subxt 0.15.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] [stderr]   Downloaded pallet-session v3.0.0
[INFO] [stderr]   Downloaded sp-npos-elections v3.0.0
[INFO] [stderr]   Downloaded mio v0.7.10
[INFO] [stderr]   Downloaded security-framework-sys v2.1.1
[INFO] [stderr]   Downloaded trie-db v0.22.3
[INFO] [stderr]   Downloaded h2 v0.3.1
[INFO] [stderr]   Downloaded ed25519 v1.0.3
[INFO] [stderr]   Downloaded multihash-derive v0.7.1
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.10
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded jsonrpsee-utils v0.2.0-alpha.3
[INFO] [stderr]   Downloaded sha-1 v0.9.4
[INFO] [stderr]   Downloaded ct-logs v0.8.0
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded security-framework v2.1.2
[INFO] [stderr]   Downloaded frame-support-procedural-tools-derive v3.0.0
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.2
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[INFO] [stderr]   Downloaded jsonrpsee-http-client v0.2.0-alpha.3
[INFO] [stderr]   Downloaded tokio-util v0.6.5
[INFO] [stderr]   Downloaded erased-serde v0.3.13
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] [stderr]   Downloaded anyhow v1.0.39
[INFO] [stderr]   Downloaded bincode v1.3.2
[INFO] [stderr]   Downloaded frame-support-procedural-tools v3.0.0
[INFO] [stderr]   Downloaded psm v0.1.12
[INFO] [stderr]   Downloaded retain_mut v0.1.2
[INFO] [stderr]   Downloaded blake3 v0.3.7
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded http-body v0.4.1
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded zeroize v1.2.0
[INFO] [stderr]   Downloaded parity-scale-codec v2.0.1
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.2
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.0.1
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[INFO] [stderr]   Downloaded pallet-balances v3.0.0
[INFO] [stderr]   Downloaded pallet-authorship v3.0.0
[INFO] [stderr]   Downloaded frame-benchmarking v3.1.0
[INFO] [stderr]   Downloaded pallet-timestamp v3.0.0
[INFO] [stderr]   Downloaded parity-ws v0.10.0
[INFO] [stderr]   Downloaded cpp_demangle v0.3.2
[INFO] [stderr]   Downloaded wast v35.0.0
[INFO] [stderr]   Downloaded wat v1.0.36
[INFO] [stderr]   Downloaded x25519-dalek v1.1.0
[INFO] [stderr]   Downloaded minicbor-derive v0.6.2
[INFO] [stderr]   Downloaded signature v1.3.0
[INFO] [stderr]   Downloaded signal-hook v0.3.7
[INFO] [stderr]   Downloaded substrate-subxt-client v0.7.0
[INFO] [stderr]   Downloaded substrate-subxt-proc-macro v0.15.0
[INFO] [stderr]   Downloaded impl-codec v0.5.0
[INFO] [stderr]   Downloaded uint v0.9.0
[INFO] [stderr]   Downloaded primitive-types v0.9.0
[INFO] [stderr]   Downloaded environmental v1.1.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.17
[INFO] [stderr]   Downloaded zeroize_derive v1.0.1
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded tokio v1.4.0
[INFO] [stderr]   Downloaded bitvec v0.20.2
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] [stderr]   Downloaded pallet-indices v3.0.0
[INFO] [stderr]   Downloaded hyper v0.14.4
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded simba v0.1.5
[INFO] [stderr]   Downloaded statrs v0.12.0
[INFO] [stderr]   Downloaded linregress v0.4.0
[INFO] [stderr]   Downloaded frame-metadata v13.0.0
[INFO] [stderr]   Downloaded frame-support-procedural v3.0.0
[INFO] [stderr]   Downloaded frame-support v3.0.0
[INFO] [stderr]   Downloaded frame-system v3.0.0
[INFO] [stderr]   Downloaded pallet-staking v3.0.0
[INFO] [stderr]   Downloaded sp-npos-elections-compact v3.0.0
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.9
[INFO] [stderr]   Downloaded libc v0.2.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e7de8a6ae0c73d004f6a39bb28d4aa1f373984dd6b6a78ae73ac55f3dac060d
[INFO] running `Command { std: "docker" "start" "-a" "2e7de8a6ae0c73d004f6a39bb28d4aa1f373984dd6b6a78ae73ac55f3dac060d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e7de8a6ae0c73d004f6a39bb28d4aa1f373984dd6b6a78ae73ac55f3dac060d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7de8a6ae0c73d004f6a39bb28d4aa1f373984dd6b6a78ae73ac55f3dac060d", kill_on_drop: false }`
[INFO] [stdout] 2e7de8a6ae0c73d004f6a39bb28d4aa1f373984dd6b6a78ae73ac55f3dac060d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad56f74b96b48b11b0dd075fe7e981e43b1dc35ce1bb5c4692139dbdc702d524
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad56f74b96b48b11b0dd075fe7e981e43b1dc35ce1bb5c4692139dbdc702d524", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking environmental v1.1.2
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking bitvec v0.20.2
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sp-panic-handler v3.0.0
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking ct-logs v0.8.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.64/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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"' --cfg 'feature="visit-mut"' -C metadata=59d2e3588a0065e7 -C extra-filename=-59d2e3588a0065e7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1a6a39c3cd9b115f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1be2cecfcfd4ab86.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-accda8c4d770d472.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ad56f74b96b48b11b0dd075fe7e981e43b1dc35ce1bb5c4692139dbdc702d524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad56f74b96b48b11b0dd075fe7e981e43b1dc35ce1bb5c4692139dbdc702d524", kill_on_drop: false }`
[INFO] [stdout] ad56f74b96b48b11b0dd075fe7e981e43b1dc35ce1bb5c4692139dbdc702d524