[INFO] crate exonum-btc-anchoring 0.12.0 is already in cache
[INFO] checking exonum-btc-anchoring-0.12.0 against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] extracting crate exonum-btc-anchoring 0.12.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate exonum-btc-anchoring 0.12.0 on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate exonum-btc-anchoring 0.12.0
[INFO] finished tweaking crates.io crate exonum-btc-anchoring 0.12.0
[INFO] tweaked toml for crates.io crate exonum-btc-anchoring 0.12.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 452da1358dc764d6c7dab41c14510e7a99f6b914effd686c92fd8c243f11247b
[INFO] running `"docker" "start" "-a" "452da1358dc764d6c7dab41c14510e7a99f6b914effd686c92fd8c243f11247b"`
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling os_info v1.1.2
[INFO] [stderr]     Checking bech32 v0.5.0
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling snow v0.6.1
[INFO] [stderr]     Checking rpassword v4.0.1
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling exonum-derive v0.12.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking bitcoin-bech32 v0.8.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking hex-buffer-serde v0.2.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking bitcoin_hashes v0.3.2
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_str v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking rust_decimal v1.0.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking proptest v0.9.4
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling display_derive v0.0.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking v_htmlescape v0.4.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --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"' -C metadata=c09a4a9abb57e733 -C extra-filename=-c09a4a9abb57e733 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-56866a13e9a88045.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0c1c5ff01d97c9b0.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-0db4caca4b366873.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "452da1358dc764d6c7dab41c14510e7a99f6b914effd686c92fd8c243f11247b"`
[INFO] running `"docker" "rm" "-f" "452da1358dc764d6c7dab41c14510e7a99f6b914effd686c92fd8c243f11247b"`
[INFO] [stdout] 452da1358dc764d6c7dab41c14510e7a99f6b914effd686c92fd8c243f11247b