[INFO] cloning repository https://github.com/tcoinx/Libra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcoinx/Libra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcoinx%2FLibra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcoinx%2FLibra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb5239767fc9076a6fcbbc2a9c8c404e1b1752f3
[INFO] documenting tcoinx/Libra against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcoinx%2FLibra" "/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/tcoinx/Libra on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/tcoinx/Libra
[INFO] finished tweaking git repo https://github.com/tcoinx/Libra
[INFO] tweaked toml for git repo https://github.com/tcoinx/Libra written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tcoinx/Libra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f3d5adb2abcd6a9d6eefd82c5b412f9c597cb2b4c4cd7588087727499e6ea06
[INFO] running `Command { std: "docker" "start" "-a" "6f3d5adb2abcd6a9d6eefd82c5b412f9c597cb2b4c4cd7588087727499e6ea06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3d5adb2abcd6a9d6eefd82c5b412f9c597cb2b4c4cd7588087727499e6ea06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3d5adb2abcd6a9d6eefd82c5b412f9c597cb2b4c4cd7588087727499e6ea06", kill_on_drop: false }`
[INFO] [stdout] 6f3d5adb2abcd6a9d6eefd82c5b412f9c597cb2b4c4cd7588087727499e6ea06
[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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e6bda26a7c20b31a41b0e255993cab90d0ce83441468a39c4730b48208698c
[INFO] running `Command { std: "docker" "start" "-a" "b0e6bda26a7c20b31a41b0e255993cab90d0ce83441468a39c4730b48208698c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling memsec v0.5.7
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking unsigned-varint v0.3.1
[INFO] [stderr]     Checking mirai-annotations v1.6.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling libra-metrics v0.1.0 (/opt/rustwide/workdir/common/metrics)
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking chunked_transfer v1.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking borrow-graph v0.0.1 (/opt/rustwide/workdir/language/borrow-graph)
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking ttl_cache v0.5.1
[INFO] [stderr]     Checking move-vm-cache v0.1.0 (/opt/rustwide/workdir/language/move-vm/cache)
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking rand04 v0.1.1
[INFO] [stderr]     Checking pairing v0.14.2
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling prost-build v0.6.1
[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 tokio-retry v0.2.0
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.17/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="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=04a5e88caa4e15dd -C extra-filename=-04a5e88caa4e15dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (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" "b0e6bda26a7c20b31a41b0e255993cab90d0ce83441468a39c4730b48208698c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e6bda26a7c20b31a41b0e255993cab90d0ce83441468a39c4730b48208698c", kill_on_drop: false }`
[INFO] [stdout] b0e6bda26a7c20b31a41b0e255993cab90d0ce83441468a39c4730b48208698c
