[INFO] cloning repository https://github.com/VenkatTeja/libra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VenkatTeja/libra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVenkatTeja%2Flibra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVenkatTeja%2Flibra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84bd948108b3066215ab5bdee971fd23b15753f2
[INFO] checking VenkatTeja/libra against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVenkatTeja%2Flibra" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VenkatTeja/libra on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/VenkatTeja/libra
[INFO] finished tweaking git repo https://github.com/VenkatTeja/libra
[INFO] tweaked toml for git repo https://github.com/VenkatTeja/libra written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/VenkatTeja/libra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/novifinancial/curve25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/novifinancial/ed25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/novifinancial/x25519-dalek.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v0.5.0
[INFO] [stderr]   Downloaded gumdrop_derive v0.7.0
[INFO] [stderr]   Downloaded canonical-path v2.0.2
[INFO] [stderr]   Downloaded statistical v1.0.0
[INFO] [stderr]   Downloaded supercow v0.1.0
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded prettydiff v0.3.1
[INFO] [stderr]   Downloaded abscissa_derive v0.5.0
[INFO] [stderr]   Downloaded abscissa_core v0.5.2
[INFO] [stderr]   Downloaded color-backtrace v0.3.0
[INFO] [stderr]   Downloaded gumdrop v0.7.0
[INFO] [stderr]   Downloaded fail v0.4.0
[INFO] [stderr]   Downloaded machine-ip v0.2.1
[INFO] [stderr]   Downloaded trybuild v1.0.35
[INFO] [stderr]   Downloaded nested v0.1.1
[INFO] [stderr]   Downloaded codespan-reporting v0.8.0
[INFO] [stderr]   Downloaded rusoto_credential v0.45.0
[INFO] [stderr]   Downloaded indoc v1.0.2
[INFO] [stderr]   Downloaded rusoto_sts v0.45.0
[INFO] [stderr]   Downloaded cfg-expr v0.4.1
[INFO] [stderr]   Downloaded abscissa_tokio v0.5.1
[INFO] [stderr]   Downloaded sm_macro v0.9.0
[INFO] [stderr]   Downloaded rusoto_autoscaling v0.45.0
[INFO] [stderr]   Downloaded guppy-summaries v0.2.0
[INFO] [stderr]   Downloaded serde-reflection v0.3.2
[INFO] [stderr]   Downloaded x25519-dalek v1.0.1
[INFO] [stderr]   Downloaded guppy v0.5.0
[INFO] [stderr]   Downloaded libfuzzer-sys v0.3.2
[INFO] [stderr]   Downloaded codespan v0.8.0
[INFO] [stderr]   Downloaded serde-generate v0.15.1
[INFO] [stderr]   Downloaded serde-name v0.1.1
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded sm v0.9.0
[INFO] [stderr]   Downloaded proptest-derive v0.2.0
[INFO] [stderr]   Downloaded target-spec v0.4.0
[INFO] [stderr]   Downloaded colored-diff v0.2.2
[INFO] [stderr]   Downloaded kube v0.42.0
[INFO] [stderr]   Downloaded stats_alloc v0.1.8
[INFO] [stderr]   Downloaded tracing-subscriber v0.1.6
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded num-derive v0.3.2
[INFO] [stderr]   Downloaded rusoto_signature v0.45.0
[INFO] [stderr]   Downloaded rusoto_core v0.45.0
[INFO] [stderr]   Downloaded clokwerk v0.3.4
[INFO] [stderr]   Downloaded k8s-openapi v0.9.0
[INFO] [stderr]   Downloaded ureq v1.5.1
[INFO] [stderr]   Downloaded rusoto_s3 v0.45.0
[INFO] [stderr]   Downloaded port_scanner v0.1.5
[INFO] [stderr]   Downloaded ajson v0.2.3
[INFO] [stderr]   Downloaded tokio-retry v0.2.0
[INFO] [stderr]   Downloaded dirs-next v1.0.1
[INFO] [stderr]   Downloaded enum_dispatch v0.3.3
[INFO] [stderr]   Downloaded sysinfo v0.16.4
[INFO] [stderr]   Downloaded serial_test_derive v0.5.0
[INFO] [stderr]   Downloaded mirai-annotations v1.10.1
[INFO] [stderr]   Downloaded fiat-crypto v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b65c2181c0468873f5816c8f8363856d3c5b2b62e5e0815b40bf268114494d21
[INFO] running `Command { std: "docker" "start" "-a" "b65c2181c0468873f5816c8f8363856d3c5b2b62e5e0815b40bf268114494d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65c2181c0468873f5816c8f8363856d3c5b2b62e5e0815b40bf268114494d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65c2181c0468873f5816c8f8363856d3c5b2b62e5e0815b40bf268114494d21", kill_on_drop: false }`
[INFO] [stdout] b65c2181c0468873f5816c8f8363856d3c5b2b62e5e0815b40bf268114494d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5652245a694d75b396859d89083f86caf451e42d0e6329cebbfaf048b11aaf8b
[INFO] running `Command { std: "docker" "start" "-a" "5652245a694d75b396859d89083f86caf451e42d0e6329cebbfaf048b11aaf8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking mirai-annotations v1.10.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking fiat-crypto v0.1.5
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking libra-global-constants v0.1.0 (/opt/rustwide/workdir/config/global-constants)
[INFO] [stderr]    Compiling libra-metrics v0.1.0 (/opt/rustwide/workdir/common/metrics)
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling vdf v0.1.0 (/opt/rustwide/workdir/ol/verifiable_delay/vdf)
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking ol-fixtures v0.1.0 (/opt/rustwide/workdir/ol/fixtures)
[INFO] [stderr]     Checking machine-ip v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]    Compiling sysinfo v0.16.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking port_scanner v0.1.5
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]    Compiling target-spec v0.4.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking nested v0.1.1
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]    Compiling k8s-openapi v0.9.0
[INFO] [stderr]     Checking arbitrary v0.4.6
[INFO] [stderr]    Compiling libra-fuzz v0.1.0 (/opt/rustwide/workdir/testsuite/libra-fuzzer/fuzz)
[INFO] [stderr]     Checking stats_alloc v0.1.8
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking serializer-tests v0.1.0 (/opt/rustwide/workdir/language/vm/serializer-tests)
[INFO] [stderr]     Checking bytecode-verifier-tests v0.1.0 (/opt/rustwide/workdir/language/bytecode-verifier/bytecode-verifier-tests)
[INFO] [stderr]     Checking smoke-test v0.1.0 (/opt/rustwide/workdir/testsuite/smoke-test)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking cfg-expr v0.4.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling indoc v1.0.2
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking radix_trie v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking colored-diff v0.2.2
[INFO] [stderr]     Checking smallvec v0.6.13
[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-0.6.23/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -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=bddc2f07153e89f0 -C extra-filename=-bddc2f07153e89f0 --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: build failed
[INFO] running `Command { std: "docker" "inspect" "5652245a694d75b396859d89083f86caf451e42d0e6329cebbfaf048b11aaf8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5652245a694d75b396859d89083f86caf451e42d0e6329cebbfaf048b11aaf8b", kill_on_drop: false }`
[INFO] [stdout] 5652245a694d75b396859d89083f86caf451e42d0e6329cebbfaf048b11aaf8b