[INFO] cloning repository https://github.com/andrcmdr/zcash-zebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrcmdr/zcash-zebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrcmdr%2Fzcash-zebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrcmdr%2Fzcash-zebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4cd81b2823d9a9caaa3b14ff3ce38d9ecc2147a
[INFO] checking andrcmdr/zcash-zebra against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrcmdr%2Fzcash-zebra" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrcmdr/zcash-zebra on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrcmdr/zcash-zebra
[INFO] finished tweaking git repo https://github.com/andrcmdr/zcash-zebra
[INFO] tweaked toml for git repo https://github.com/andrcmdr/zcash-zebra written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/andrcmdr/zcash-zebra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/yaahc/abscissa.git`
[INFO] [stderr]     Updating git repository `https://github.com/ZcashFoundation/librustzcash.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics v0.12.1
[INFO] [stderr]   Downloaded proptest-derive v0.2.0
[INFO] [stderr]   Downloaded metrics-util v0.3.1
[INFO] [stderr]   Downloaded metrics-observer-yaml v0.1.1
[INFO] [stderr]   Downloaded metrics-runtime v0.13.0
[INFO] [stderr]   Downloaded jubjub v0.3.0
[INFO] [stderr]   Downloaded metrics-core v0.5.2
[INFO] [stderr]   Downloaded metrics-observer-json v0.1.1
[INFO] [stderr]   Downloaded metrics-exporter-log v0.4.0
[INFO] [stderr]   Downloaded metrics-exporter-http v0.3.0
[INFO] [stderr]   Downloaded metrics-observer-prometheus v0.1.4
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded displaydoc v0.1.6
[INFO] [stderr]   Downloaded color-eyre v0.5.0
[INFO] [stderr]   Downloaded spandoc-attribute v0.1.0
[INFO] [stderr]   Downloaded quanta v0.3.1
[INFO] [stderr]   Downloaded ed25519-zebra v1.0.0
[INFO] [stderr]   Downloaded spandoc v0.2.0
[INFO] [stderr]   Downloaded sled v0.32.0
[INFO] [stderr]   Downloaded redjubjub v0.2.1
[INFO] [stderr]   Downloaded bls12_381 v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", 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] e61f6c5c5f38e079a911bb839888f2226ab02944ed26b2c8d33b882dcdd532d8
[INFO] running `Command { std: "docker" "start" "-a" "e61f6c5c5f38e079a911bb839888f2226ab02944ed26b2c8d33b882dcdd532d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e61f6c5c5f38e079a911bb839888f2226ab02944ed26b2c8d33b882dcdd532d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e61f6c5c5f38e079a911bb839888f2226ab02944ed26b2c8d33b882dcdd532d8", kill_on_drop: false }`
[INFO] [stdout] e61f6c5c5f38e079a911bb839888f2226ab02944ed26b2c8d33b882dcdd532d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a315a2123a53028c1f14fdec95ca0395e334f6cd9351dd39738155f89a5ce52d
[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" "a315a2123a53028c1f14fdec95ca0395e334f6cd9351dd39738155f89a5ce52d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling eyre v0.6.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling metrics v0.12.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking metrics-core v0.5.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking zebra-client v0.1.0 (/opt/rustwide/workdir/zebra-client)
[INFO] [stderr]     Checking zebra-rpc v0.1.0 (/opt/rustwide/workdir/zebra-rpc)
[INFO] [stderr]     Checking zebra-script v0.1.0 (/opt/rustwide/workdir/zebra-script)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking bls12_381 v0.1.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking libc v0.2.72
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]     Checking proc-macro-nested v0.1.6
[INFO] [stderr]     Checking maybe-uninit v2.0.0
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking httparse v1.3.4
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking jubjub v0.3.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking quanta v0.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking memoffset v0.5.5
[INFO] [stderr]     Checking indexmap v1.4.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking equihash v0.0.0 (https://github.com/ZcashFoundation/librustzcash.git?branch=equihash-crate#ae2a2481)
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking color-backtrace v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking sled v0.32.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proptest-derive v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling displaydoc v0.1.6
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling spandoc-attribute v0.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr] error: could not compile `spandoc-attribute`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name spandoc_attribute --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spandoc-attribute-0.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=2d7b56ee5df19ff8 -C extra-filename=-2d7b56ee5df19ff8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-44199d8c0826ee23.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-d9a13ff59e780ae1.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-97d48d3fe9b019d1.rlib --extern proc_macro --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" "a315a2123a53028c1f14fdec95ca0395e334f6cd9351dd39738155f89a5ce52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a315a2123a53028c1f14fdec95ca0395e334f6cd9351dd39738155f89a5ce52d", kill_on_drop: false }`
[INFO] [stdout] a315a2123a53028c1f14fdec95ca0395e334f6cd9351dd39738155f89a5ce52d