[INFO] fetching crate rgb-cli 0.8.1...
[INFO] documenting rgb-cli-0.8.1 against nightly for scrape-examples
[INFO] extracting crate rgb-cli 0.8.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rgb-cli 0.8.1 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgb-cli 0.8.1
[INFO] finished tweaking crates.io crate rgb-cli 0.8.1
[INFO] tweaked toml for crates.io crate rgb-cli 0.8.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rgb-cli 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_complete v3.1.4
[INFO] [stderr]   Downloaded shellexpand v2.1.2
[INFO] [stderr]   Downloaded roff v0.1.0
[INFO] [stderr]   Downloaded aluvm v0.7.0
[INFO] [stderr]   Downloaded microservices v0.8.10
[INFO] [stderr]   Downloaded storm-core v0.8.0
[INFO] [stderr]   Downloaded rgb_rpc v0.8.1
[INFO] [stderr]   Downloaded parse_arg v0.1.4
[INFO] [stderr]   Downloaded grin_secp256k1zkp v0.7.11
[INFO] [stderr]   Downloaded zmq2 v0.5.0
[INFO] [stderr]   Downloaded dircpy v0.3.13
[INFO] [stderr]   Downloaded zmq-sys2 v0.3.0
[INFO] [stderr]   Downloaded stens v0.7.1
[INFO] [stderr]   Downloaded rgb-core v0.8.1
[INFO] [stderr]   Downloaded commit_verify v0.8.0
[INFO] [stderr]   Downloaded torut v0.2.1
[INFO] [stderr]   Downloaded rgb-std v0.8.1
[INFO] [stderr]   Downloaded fmt2io v0.1.0
[INFO] [stderr]   Downloaded man v0.1.1
[INFO] [stderr]   Downloaded amplify_apfloat v0.1.3
[INFO] [stderr]   Downloaded descriptor-wallet v0.8.3
[INFO] [stderr]   Downloaded socks v0.3.4
[INFO] [stderr]   Downloaded electrum-client v0.10.2
[INFO] [stderr]   Downloaded configure_me_codegen v0.4.2
[INFO] [stderr]   Downloaded jwalk v0.6.0
[INFO] [stderr]   Downloaded zeromq-src v0.2.2+4.3.4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f4045e63e1461648124edd8d57a6d2969ee98f92229195cb493c155dbb88146
[INFO] running `Command { std: "docker" "start" "-a" "5f4045e63e1461648124edd8d57a6d2969ee98f92229195cb493c155dbb88146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4045e63e1461648124edd8d57a6d2969ee98f92229195cb493c155dbb88146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4045e63e1461648124edd8d57a6d2969ee98f92229195cb493c155dbb88146", kill_on_drop: false }`
[INFO] [stdout] 5f4045e63e1461648124edd8d57a6d2969ee98f92229195cb493c155dbb88146
[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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ff79b74dbb2792a97665ae3726631d1e1bea7c5407327f5099f38c41ad857dd
[INFO] running `Command { std: "docker" "start" "-a" "6ff79b74dbb2792a97665ae3726631d1e1bea7c5407327f5099f38c41ad857dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling base64-compat v1.0.0
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling ed25519 v1.5.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling secp256k1-sys v0.5.2
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.11
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking parse_arg v0.1.4
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]     Checking amplify_syn v1.1.6
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling zmq2 v0.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling socks v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bech32 v0.9.1
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling keccak v0.1.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling poly1305 v0.7.2
[INFO] [stderr]    Compiling cipher v0.4.3
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.4.0
[INFO] [stderr]    Compiling jwalk v0.6.0
[INFO] [stderr]    Compiling chacha20 v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling dircpy v0.3.13
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling zeromq-src v0.2.2+4.3.4
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling webpki-roots v0.22.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling nix v0.25.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling configure_me_codegen v0.4.2
[INFO] [stderr]    Compiling roff v0.1.0
[INFO] [stderr]    Compiling man v0.1.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling fmt2io v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking shellexpand v2.1.2
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling amplify_derive v2.11.3
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling stability v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.28/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=3fbe52600510e068 -C extra-filename=-3fbe52600510e068 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.25.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="acct"' --cfg 'feature="aio"' --cfg 'feature="default"' --cfg 'feature="dir"' --cfg 'feature="env"' --cfg 'feature="event"' --cfg 'feature="feature"' --cfg 'feature="fs"' --cfg 'feature="hostname"' --cfg 'feature="inotify"' --cfg 'feature="ioctl"' --cfg 'feature="kmod"' --cfg 'feature="memoffset"' --cfg 'feature="mman"' --cfg 'feature="mount"' --cfg 'feature="mqueue"' --cfg 'feature="net"' --cfg 'feature="personality"' --cfg 'feature="pin-utils"' --cfg 'feature="poll"' --cfg 'feature="process"' --cfg 'feature="pthread"' --cfg 'feature="ptrace"' --cfg 'feature="quota"' --cfg 'feature="reboot"' --cfg 'feature="resource"' --cfg 'feature="sched"' --cfg 'feature="signal"' --cfg 'feature="socket"' --cfg 'feature="term"' --cfg 'feature="time"' --cfg 'feature="ucontext"' --cfg 'feature="uio"' --cfg 'feature="user"' --cfg 'feature="zerocopy"' -C metadata=80d89b2a7318dfbb -C extra-filename=-80d89b2a7318dfbb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-05dfd5b5d1225bed.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-2ddc04b21f426065.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-9fe345a4b286508f.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-b7ff504f33cec58a.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6ff79b74dbb2792a97665ae3726631d1e1bea7c5407327f5099f38c41ad857dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff79b74dbb2792a97665ae3726631d1e1bea7c5407327f5099f38c41ad857dd", kill_on_drop: false }`
[INFO] [stdout] 6ff79b74dbb2792a97665ae3726631d1e1bea7c5407327f5099f38c41ad857dd