[INFO] cloning repository https://github.com/X3n0m0rph59/precached
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/X3n0m0rph59/precached" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FX3n0m0rph59%2Fprecached", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FX3n0m0rph59%2Fprecached'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cd8d2fd1ee5c69609fe29a8cd7c6c2bccff7c5d
[INFO] testing X3n0m0rph59/precached against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FX3n0m0rph59%2Fprecached" "/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/X3n0m0rph59/precached on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/X3n0m0rph59/precached
[INFO] finished tweaking git repo https://github.com/X3n0m0rph59/precached
[INFO] tweaked toml for git repo https://github.com/X3n0m0rph59/precached written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/X3n0m0rph59/precached already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8cdde8589e9e8c3d37633d69ca7a7c9e5069676ad11ebc5bb41dbf5987f93bb
[INFO] running `Command { std: "docker" "start" "-a" "d8cdde8589e9e8c3d37633d69ca7a7c9e5069676ad11ebc5bb41dbf5987f93bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8cdde8589e9e8c3d37633d69ca7a7c9e5069676ad11ebc5bb41dbf5987f93bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cdde8589e9e8c3d37633d69ca7a7c9e5069676ad11ebc5bb41dbf5987f93bb", kill_on_drop: false }`
[INFO] [stdout] d8cdde8589e9e8c3d37633d69ca7a7c9e5069676ad11ebc5bb41dbf5987f93bb
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e4312179f816e5f69540e4bf35a410d71db995fedebfabc5bcb7f0c3e17a3cf
[INFO] running `Command { std: "docker" "start" "-a" "4e4312179f816e5f69540e4bf35a410d71db995fedebfabc5bcb7f0c3e17a3cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling syn v1.0.24
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling tinystr v0.3.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling capabilities v0.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.5
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling precached v1.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling fluent-syntax v0.9.3
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bytevec v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling unic-langid-impl v0.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling zmq-sys v0.9.0 (https://gitlab.com/X3n0m0rph59/rust-zmq?branch=master#7969d788)
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling type-map v0.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling fanotify v0.1.0 (https://github.com/X3n0m0rph59/fanotify-rs?branch=master#b4bb75b0)
[INFO] [stderr]    Compiling daemonize v0.4.1
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]    Compiling pbr v1.0.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling zmq v0.9.0 (https://gitlab.com/X3n0m0rph59/rust-zmq?branch=master#7969d788)
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.3.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C codegen-units=8 -C debuginfo=2 --cfg 'feature="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --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=23ac2e9c2408976f -C extra-filename=-23ac2e9c2408976f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-3cb045ee988367d3.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-69df9973fab17b23.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-98a6a58431f737af.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-5f57bd7ea07907b7.rmeta --cap-lints allow --cap-lints=warn` (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" "4e4312179f816e5f69540e4bf35a410d71db995fedebfabc5bcb7f0c3e17a3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4312179f816e5f69540e4bf35a410d71db995fedebfabc5bcb7f0c3e17a3cf", kill_on_drop: false }`
[INFO] [stdout] 4e4312179f816e5f69540e4bf35a410d71db995fedebfabc5bcb7f0c3e17a3cf