[INFO] updating cached repository https://github.com/Fila1982/Block
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09cf6de1d143ffbe007478372dc573213e06804d
[INFO] checking Fila1982/Block against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFila1982%2FBlock" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fila1982/Block on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Fila1982/Block
[INFO] removed workspace from git repo https://github.com/Fila1982/Block
[INFO] removed path dependency grin_api from git repo https://github.com/Fila1982/Block
[INFO] removed path dependency grin_config from git repo https://github.com/Fila1982/Block
[INFO] removed path dependency grin_core from git repo https://github.com/Fila1982/Block
[INFO] removed path dependency grin_keychain from git repo https://github.com/Fila1982/Block
[INFO] removed path dependency grin_p2p from git repo https://github.com/Fila1982/Block
[INFO] removed path dependency grin_servers from git repo https://github.com/Fila1982/Block
[INFO] removed path dependency grin_util from git repo https://github.com/Fila1982/Block
[INFO] removed path dependency grin_chain from git repo https://github.com/Fila1982/Block
[INFO] removed path dependency grin_store from git repo https://github.com/Fila1982/Block
[INFO] finished tweaking git repo https://github.com/Fila1982/Block
[INFO] tweaked toml for git repo https://github.com/Fila1982/Block written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Fila1982/Block already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 8c40734bc65578b6ed7f94a0a943e8612817d2e3fdd05121c1de5a9523bbb9e2
[INFO] running `"docker" "start" "-a" "8c40734bc65578b6ed7f94a0a943e8612817d2e3fdd05121c1de5a9523bbb9e2"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]     Checking libc v0.2.66
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]     Checking enum-map-internals v0.1.3
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking zip v0.5.4
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking num-bigint v0.2.5
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.7
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=74c3518761b5d498 -C extra-filename=-74c3518761b5d498 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a4cc71315a7de5e1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0c1381faf75b6719.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5c437660b608152f.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: could not compile `darling_core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.10.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=2f431a4a8197ac7a -C extra-filename=-2f431a4a8197ac7a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-a0dceb2515508ff1.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-6b05f90887f41b77.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5baa8d3228b8eec0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-41293db8c231485f.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-b19af7ef8d5d8008.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-c53373958e283616.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 `"docker" "inspect" "8c40734bc65578b6ed7f94a0a943e8612817d2e3fdd05121c1de5a9523bbb9e2"`
[INFO] running `"docker" "rm" "-f" "8c40734bc65578b6ed7f94a0a943e8612817d2e3fdd05121c1de5a9523bbb9e2"`
[INFO] [stdout] 8c40734bc65578b6ed7f94a0a943e8612817d2e3fdd05121c1de5a9523bbb9e2