[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] documenting VenkatTeja/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%2FVenkatTeja%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/VenkatTeja/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-6/source/.cargo/config
[INFO] removed /workspace/builds/worker-6/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-6/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01bf06e6931ca71c2195158c76ded290e9488486394f3d258809653c283faeda
[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" "01bf06e6931ca71c2195158c76ded290e9488486394f3d258809653c283faeda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01bf06e6931ca71c2195158c76ded290e9488486394f3d258809653c283faeda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bf06e6931ca71c2195158c76ded290e9488486394f3d258809653c283faeda", kill_on_drop: false }`
[INFO] [stdout] 01bf06e6931ca71c2195158c76ded290e9488486394f3d258809653c283faeda
[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" "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] 5bc78893072cc1fb254041cc84673fa923c50e7a2cb6721d108e84296b353144
[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" "5bc78893072cc1fb254041cc84673fa923c50e7a2cb6721d108e84296b353144", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking fiat-crypto v0.1.5
[INFO] [stderr]     Checking mirai-annotations v1.10.1
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking quick-error v2.0.0
[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 vdf v0.1.0 (/opt/rustwide/workdir/ol/verifiable_delay/vdf)
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]     Checking ol-fixtures v0.1.0 (/opt/rustwide/workdir/ol/fixtures)
[INFO] [stderr]     Checking machine-ip v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]     Checking num-bigint v0.3.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking radix_trie v0.2.0
[INFO] [stderr]    Compiling proptest-derive v0.2.0
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking ajson v0.2.3
[INFO] [stderr]     Checking aes-gcm v0.7.0
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking classgroup v0.1.0 (/opt/rustwide/workdir/ol/verifiable_delay/classgroup)
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking rpassword v5.0.0
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking cc v1.0.60
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stdout] warning: `__gmpz_sizeinbase` redeclared with a different signature
[INFO] [stdout]   --> ol/verifiable_delay/classgroup/src/gmp_classgroup/ffi.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn __gmpz_sizeinbase(op: &Mpz, base: c_int) -> size_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]    | 
[INFO] [stdout]   ::: ol/verifiable_delay/classgroup/src/gmp/mpz.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn __gmpz_sizeinbase(op: mpz_srcptr, base: c_int) -> size_t;
[INFO] [stdout]    |     ------------------------------------------------------------ `__gmpz_sizeinbase` previously declared here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*const mpz_struct, i32) -> usize`
[INFO] [stdout]               found `for<'r> unsafe extern "C" fn(&'r Mpz, i32) -> usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `__gmpz_export` redeclared with a different signature
[INFO] [stdout]    --> ol/verifiable_delay/classgroup/src/gmp_classgroup/ffi.rs:57:5
[INFO] [stdout]     |
[INFO] [stdout] 57  | /     fn __gmpz_export(
[INFO] [stdout] 58  | |         rop: *mut c_void,
[INFO] [stdout] 59  | |         countp: *mut size_t,
[INFO] [stdout] 60  | |         order: c_int,
[INFO] [stdout] ...   |
[INFO] [stdout] 64  | |         op: &Mpz,
[INFO] [stdout] 65  | |     ) -> *mut c_void;
[INFO] [stdout]     | |_____________________^ this signature doesn't match the previous declaration
[INFO] [stdout]     | 
[INFO] [stdout]    ::: ol/verifiable_delay/classgroup/src/gmp/mpz.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | /     fn __gmpz_export(
[INFO] [stdout] 102 | |         rop: *mut c_void,
[INFO] [stdout] 103 | |         countp: *mut size_t,
[INFO] [stdout] 104 | |         order: c_int,
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |         op: mpz_srcptr,
[INFO] [stdout] 109 | |     );
[INFO] [stdout]     | |______- `__gmpz_export` previously declared here
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, *const mpz_struct)`
[INFO] [stdout]                found `for<'r> unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, &'r Mpz) -> *mut c_void`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking pbkdf2 v0.5.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling include_dir_impl v0.6.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling enum_dispatch v0.3.3
[INFO] [stderr] error: could not compile `clang-sys`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clang_sys /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clang-sys-0.29.3/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="clang_6_0"' --cfg 'feature="gte_clang_3_6"' --cfg 'feature="gte_clang_3_7"' --cfg 'feature="gte_clang_3_8"' --cfg 'feature="gte_clang_3_9"' --cfg 'feature="gte_clang_4_0"' --cfg 'feature="gte_clang_5_0"' --cfg 'feature="gte_clang_6_0"' --cfg 'feature="libloading"' --cfg 'feature="runtime"' -C metadata=782f04a329e59023 -C extra-filename=-782f04a329e59023 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern glob=/opt/rustwide/target/debug/deps/libglob-b2b3e3431c476f53.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-6b6bf6f6f09f3376.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-22f5b90feb588d10.rmeta --cap-lints allow -L native=/opt/rustwide/target/debug/build/libloading-3cf5f38d25a1dd95/out` (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" "5bc78893072cc1fb254041cc84673fa923c50e7a2cb6721d108e84296b353144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc78893072cc1fb254041cc84673fa923c50e7a2cb6721d108e84296b353144", kill_on_drop: false }`
[INFO] [stdout] 5bc78893072cc1fb254041cc84673fa923c50e7a2cb6721d108e84296b353144
