[INFO] cloning repository https://github.com/rand-chain/rust-randchain-prototype
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rand-chain/rust-randchain-prototype" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frand-chain%2Frust-randchain-prototype", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frand-chain%2Frust-randchain-prototype'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed4116f433ddf702edd579a1504c328f53000652
[INFO] checking rand-chain/rust-randchain-prototype against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frand-chain%2Frust-randchain-prototype" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rand-chain/rust-randchain-prototype on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-89/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rand-chain/rust-randchain-prototype
[INFO] finished tweaking git repo https://github.com/rand-chain/rust-randchain-prototype
[INFO] tweaked toml for git repo https://github.com/rand-chain/rust-randchain-prototype written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/rand-chain/rust-randchain-prototype already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/ethcore/rust-rocksdb`
[INFO] [stderr]     Updating git repository `https://github.com/ethcore/jsonrpc.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/app-dirs-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c1e460366f2e05d634e3b7028ad050a3970b8a1cb67aaf244150938deb8f659
[INFO] running `Command { std: "docker" "start" "-a" "9c1e460366f2e05d634e3b7028ad050a3970b8a1cb67aaf244150938deb8f659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c1e460366f2e05d634e3b7028ad050a3970b8a1cb67aaf244150938deb8f659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1e460366f2e05d634e3b7028ad050a3970b8a1cb67aaf244150938deb8f659", kill_on_drop: false }`
[INFO] [stdout] 9c1e460366f2e05d634e3b7028ad050a3970b8a1cb67aaf244150938deb8f659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d23e4ccec1fc4da85a7f8e567e299abdb43f4692e8d3b02ca1beca4a52ff66f1
[INFO] running `Command { std: "docker" "start" "-a" "d23e4ccec1fc4da85a7f8e567e299abdb43f4692e8d3b02ca1beca4a52ff66f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling heapsize v0.4.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.1
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rustc-hex v2.0.0
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking elapsed v0.1.2
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking arrayvec v0.4.6
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]    Compiling bigint v1.0.5
[INFO] [stderr]    Compiling serialization_derive v0.1.0 (/opt/rustwide/workdir/serialization_derive)
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling display_derive v0.0.0
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C panic=abort -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=2b3d898db8b17a31 -C extra-filename=-2b3d898db8b17a31 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "d23e4ccec1fc4da85a7f8e567e299abdb43f4692e8d3b02ca1beca4a52ff66f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23e4ccec1fc4da85a7f8e567e299abdb43f4692e8d3b02ca1beca4a52ff66f1", kill_on_drop: false }`
[INFO] [stdout] d23e4ccec1fc4da85a7f8e567e299abdb43f4692e8d3b02ca1beca4a52ff66f1
