[INFO] cloning repository https://github.com/adamlaska/BitcoinUnlimited-ElectrsCash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamlaska/BitcoinUnlimited-ElectrsCash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamlaska%2FBitcoinUnlimited-ElectrsCash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamlaska%2FBitcoinUnlimited-ElectrsCash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa95d64d050c286356dadb78d19c2e687dec85cf
[INFO] checking adamlaska/BitcoinUnlimited-ElectrsCash against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamlaska%2FBitcoinUnlimited-ElectrsCash" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamlaska/BitcoinUnlimited-ElectrsCash on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adamlaska/BitcoinUnlimited-ElectrsCash
[INFO] finished tweaking git repo https://github.com/adamlaska/BitcoinUnlimited-ElectrsCash
[INFO] tweaked toml for git repo https://github.com/adamlaska/BitcoinUnlimited-ElectrsCash written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/adamlaska/BitcoinUnlimited-ElectrsCash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.3
[INFO] [stderr]   Downloaded backtrace v0.3.37
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded lru v0.1.17
[INFO] [stderr]   Downloaded semver v0.6.0
[INFO] [stderr]   Downloaded roff v0.1.0
[INFO] [stderr]   Downloaded bech32 v0.6.0
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded tiny_http v0.6.2
[INFO] [stderr]   Downloaded page_size v0.4.1
[INFO] [stderr]   Downloaded bindgen v0.49.2
[INFO] [stderr]   Downloaded build-helper v0.1.1
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded arc-swap v0.4.2
[INFO] [stderr]   Downloaded man v0.1.1
[INFO] [stderr]   Downloaded bitcoin-bech32 v0.9.0
[INFO] [stderr]   Downloaded parse_arg v0.1.4
[INFO] [stderr]   Downloaded fmt2io v0.1.0
[INFO] [stderr]   Downloaded sysconf v0.3.4
[INFO] [stderr]   Downloaded rocksdb v0.12.3
[INFO] [stderr]   Downloaded bitcoin_hashes v0.3.2
[INFO] [stderr]   Downloaded serde_test v1.0.101
[INFO] [stderr]   Downloaded c_fixed_string v0.2.0
[INFO] [stderr]   Downloaded configure_me v0.3.3
[INFO] [stderr]   Downloaded configure_me_codegen v0.3.6
[INFO] [stderr]   Downloaded prometheus v0.5.0
[INFO] [stderr]   Downloaded cashaccount-sys v0.1.0
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded bindgen v0.51.0
[INFO] [stderr]   Downloaded bitcoin v0.18.2
[INFO] [stderr]   Downloaded secp256k1 v0.12.2
[INFO] [stderr]   Downloaded librocksdb-sys v6.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 825be173b95852f5f428fd89b6af989e0ffc778f5966578a279702b7bc2a9121
[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" "825be173b95852f5f428fd89b6af989e0ffc778f5966578a279702b7bc2a9121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825be173b95852f5f428fd89b6af989e0ffc778f5966578a279702b7bc2a9121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825be173b95852f5f428fd89b6af989e0ffc778f5966578a279702b7bc2a9121", kill_on_drop: false }`
[INFO] [stdout] 825be173b95852f5f428fd89b6af989e0ffc778f5966578a279702b7bc2a9121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdbe6ac7c6724dff789eb0584db331bb16e4c378e01e8af95e847d56ce0541f8
[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" "fdbe6ac7c6724dff789eb0584db331bb16e4c378e01e8af95e847d56ce0541f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling bindgen v0.51.0
[INFO] [stderr]    Compiling roff v0.1.0
[INFO] [stderr]    Compiling configure_me_codegen v0.3.6
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling fmt2io v0.1.0
[INFO] [stderr]    Compiling prometheus v0.5.0
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]     Checking parse_arg v0.1.4
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling man v0.1.1
[INFO] [stderr]     Checking bitcoin-bech32 v0.9.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]     Checking lru v0.1.17
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking c_fixed_string v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking sysconf v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[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 -Cembed-bitcode=no -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=8eaf5baf136746b1 -C extra-filename=-8eaf5baf136746b1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-14b87d0cfb3a3067.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3ab6671852ca27d4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ef45b28e7fc52f2.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 `Command { std: "docker" "inspect" "fdbe6ac7c6724dff789eb0584db331bb16e4c378e01e8af95e847d56ce0541f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbe6ac7c6724dff789eb0584db331bb16e4c378e01e8af95e847d56ce0541f8", kill_on_drop: false }`
[INFO] [stdout] fdbe6ac7c6724dff789eb0584db331bb16e4c378e01e8af95e847d56ce0541f8