[INFO] cloning repository https://github.com/opentron/opentron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/opentron/opentron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopentron%2Fopentron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopentron%2Fopentron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 653ebcaf256be9dff989cd5ae3530d24cb5ebcd5
[INFO] checking opentron/opentron against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopentron%2Fopentron" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/opentron/opentron on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/opentron/opentron
[INFO] finished tweaking git repo https://github.com/opentron/opentron
[INFO] tweaked toml for git repo https://github.com/opentron/opentron written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/opentron/opentron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b82aa841055b41080535287c3311824b469b121d74bb35f0fd6345f80bf7457f
[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" "b82aa841055b41080535287c3311824b469b121d74bb35f0fd6345f80bf7457f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b82aa841055b41080535287c3311824b469b121d74bb35f0fd6345f80bf7457f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82aa841055b41080535287c3311824b469b121d74bb35f0fd6345f80bf7457f", kill_on_drop: false }`
[INFO] [stdout] b82aa841055b41080535287c3311824b469b121d74bb35f0fd6345f80bf7457f
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b14b499226cc580dda7d85ad17163ac96d593a07777b0437beb1363f0dc0954f
[INFO] running `Command { std: "docker" "start" "-a" "b14b499226cc580dda7d85ad17163ac96d593a07777b0437beb1363f0dc0954f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking futures-io v0.3.12
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
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[INFO] [stderr]    Compiling tiny-keccak v2.0.2
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[INFO] [stderr]     Checking crypto_api v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
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[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking constants v0.1.0 (/opt/rustwide/workdir/constants)
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling ident_case v1.0.1
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[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking utf-8 v0.7.5
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[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking crypto_api_chachapoly v0.4.3
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]     Checking equihash v0.1.0 (https://github.com/opentron/librustzcash?branch=tron#be7be0bf)
[INFO] [stderr]    Compiling rocks-sys v0.1.10
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
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[INFO] [stderr]     Checking slog-scope-futures v0.1.1
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[INFO] [stderr]     Checking regex v1.4.3
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[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
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[INFO] [stderr]     Checking block-modes v0.6.1
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking bn-plus v0.4.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking headers v0.3.3
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]     Checking pairing v0.18.0
[INFO] [stderr]     Checking bls12_381 v0.3.1
[INFO] [stderr]     Checking bellman v0.8.1
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking fpe v0.3.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking jubjub v0.5.1
[INFO] [stderr]     Checking zcash_primitives v0.4.0 (https://github.com/opentron/librustzcash?branch=tron#be7be0bf)
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]     Checking zcash_proofs v0.4.0 (https://github.com/opentron/librustzcash?branch=tron#be7be0bf)
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.60/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=863c41a19aeffee0 -C extra-filename=-863c41a19aeffee0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cfc781dd86a6c62d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: static link feature enabled, it'll take minutes to finish compiling...
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b14b499226cc580dda7d85ad17163ac96d593a07777b0437beb1363f0dc0954f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14b499226cc580dda7d85ad17163ac96d593a07777b0437beb1363f0dc0954f", kill_on_drop: false }`
[INFO] [stdout] b14b499226cc580dda7d85ad17163ac96d593a07777b0437beb1363f0dc0954f