[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] checking tcoinx/Libra against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcoinx%2FLibra" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcoinx/Libra on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] removed /workspace/builds/worker-6/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-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4363200dd62f9c4cb5f5934408dd6f205bad057dba2bb048e313b334217cac1
[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" "c4363200dd62f9c4cb5f5934408dd6f205bad057dba2bb048e313b334217cac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4363200dd62f9c4cb5f5934408dd6f205bad057dba2bb048e313b334217cac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4363200dd62f9c4cb5f5934408dd6f205bad057dba2bb048e313b334217cac1", kill_on_drop: false }`
[INFO] [stdout] c4363200dd62f9c4cb5f5934408dd6f205bad057dba2bb048e313b334217cac1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94da76bcc623948c4f023bc74a8e454882048ef2c00f5f7a9c8d31affba5beca
[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" "94da76bcc623948c4f023bc74a8e454882048ef2c00f5f7a9c8d31affba5beca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling memsec v0.5.7
[INFO] [stderr]     Checking mirai-annotations v1.6.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking unsigned-varint v0.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling libra-metrics v0.1.0 (/opt/rustwide/workdir/common/metrics)
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking chunked_transfer v1.0.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling k8s-openapi v0.7.1
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking arbitrary v0.4.1
[INFO] [stderr]    Compiling libra_fuzzer_fuzz v0.1.0 (/opt/rustwide/workdir/testsuite/libra-fuzzer/fuzz)
[INFO] [stderr]     Checking stats_alloc v0.1.8
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking serializer_tests v0.1.0 (/opt/rustwide/workdir/language/vm/serializer_tests)
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking testsuite v0.1.0 (/opt/rustwide/workdir/testsuite)
[INFO] [stderr]     Checking bytecode_verifier_tests v0.1.0 (/opt/rustwide/workdir/language/bytecode-verifier/bytecode_verifier_tests)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking cached v0.12.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking borrow-graph v0.0.1 (/opt/rustwide/workdir/language/borrow-graph)
[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 rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking move-vm-cache v0.1.0 (/opt/rustwide/workdir/language/move-vm/cache)
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking ttl_cache v0.5.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pretty v0.9.0
[INFO] [stderr]     Checking typenum v1.11.2
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]     Checking bitvec v0.17.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling rusoto_core v0.42.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking url v2.1.1
[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]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand04 v0.1.1
[INFO] [stderr]     Checking pairing v0.14.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.16/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=97aff9e3eac3f37c -C extra-filename=-97aff9e3eac3f37c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-62a4b1330f7a7694.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-363df4946fa50119.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4a6c9433f1516f68.rmeta --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" "94da76bcc623948c4f023bc74a8e454882048ef2c00f5f7a9c8d31affba5beca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94da76bcc623948c4f023bc74a8e454882048ef2c00f5f7a9c8d31affba5beca", kill_on_drop: false }`
[INFO] [stdout] 94da76bcc623948c4f023bc74a8e454882048ef2c00f5f7a9c8d31affba5beca