[INFO] crate substrate-subxt 0.8.0 is already in cache
[INFO] checking substrate-subxt-0.8.0 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate substrate-subxt 0.8.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate substrate-subxt 0.8.0 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-subxt 0.8.0
[INFO] finished tweaking crates.io crate substrate-subxt 0.8.0
[INFO] tweaked toml for crates.io crate substrate-subxt 0.8.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate substrate-subxt 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9977eab82f33487d49b7f769edfc4f3fe798a8ff1add31f11f460f9c3f00b615
[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" "9977eab82f33487d49b7f769edfc4f3fe798a8ff1add31f11f460f9c3f00b615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9977eab82f33487d49b7f769edfc4f3fe798a8ff1add31f11f460f9c3f00b615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9977eab82f33487d49b7f769edfc4f3fe798a8ff1add31f11f460f9c3f00b615", kill_on_drop: false }`
[INFO] [stdout] 9977eab82f33487d49b7f769edfc4f3fe798a8ff1add31f11f460f9c3f00b615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc5b994552dd255ba9ef3897ef1c5f1ec80bfaf0abc4db29e9449222fe50af17
[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" "dc5b994552dd255ba9ef3897ef1c5f1ec80bfaf0abc4db29e9449222fe50af17", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking sp-std v2.0.0-rc2
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling hashbrown v0.7.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking uint v0.8.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[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 want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling wabt-sys v0.7.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-rc2
[INFO] [stderr]     Checking trie-db v0.20.1
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking fixed-hash v0.6.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[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-1.0.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-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=4dd7fdd4d8a36593 -C extra-filename=-4dd7fdd4d8a36593 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-dc57c6a5a93723a3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-97f0b596122fd633.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-fc0b94ed06ed7dbe.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" "dc5b994552dd255ba9ef3897ef1c5f1ec80bfaf0abc4db29e9449222fe50af17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5b994552dd255ba9ef3897ef1c5f1ec80bfaf0abc4db29e9449222fe50af17", kill_on_drop: false }`
[INFO] [stdout] dc5b994552dd255ba9ef3897ef1c5f1ec80bfaf0abc4db29e9449222fe50af17