[INFO] cloning repository https://github.com/hoardexchange/cacherz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hoardexchange/cacherz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoardexchange%2Fcacherz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoardexchange%2Fcacherz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6903db9135450ac445d0183e5fab2b2b5e4b038d
[INFO] documenting hoardexchange/cacherz 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%2Fhoardexchange%2Fcacherz" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hoardexchange/cacherz 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] started tweaking git repo https://github.com/hoardexchange/cacherz
[INFO] finished tweaking git repo https://github.com/hoardexchange/cacherz
[INFO] tweaked toml for git repo https://github.com/hoardexchange/cacherz written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/hoardexchange/cacherz 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] warning: unused manifest key: llvm
[INFO] [stderr] warning: unused manifest key: rust
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/pingcap/rust-rocksdb.git`
[INFO] [stderr]     Updating git submodule `https://github.com/pingcap/rocksdb.git`
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/bzip2-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/busyjay/lz4-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/lz4/lz4.git`
[INFO] [stderr]     Updating git repository `https://github.com/busyjay/rust-snappy.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/snappy.git`
[INFO] [stderr]     Updating git repository `https://github.com/gyscos/zstd-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/facebook/zstd`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethereum-types v0.4.0
[INFO] [stderr]   Downloaded askama_escape v0.1.0
[INFO] [stderr]   Downloaded resolv-conf v0.6.1
[INFO] [stderr]   Downloaded ethabi v6.1.0
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.3
[INFO] [stderr]   Downloaded actix-net v0.2.5
[INFO] [stderr]   Downloaded rlua v0.15.3
[INFO] [stderr]   Downloaded memchr v2.1.2
[INFO] [stderr]   Downloaded socket2 v0.3.8
[INFO] [stderr]   Downloaded hyper v0.12.18
[INFO] [stderr]   Downloaded cc v1.0.26
[INFO] [stderr]   Downloaded arc-swap v0.3.6
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.0
[INFO] [stderr]   Downloaded parking_lot v0.7.0
[INFO] [stderr]   Downloaded actix-web v0.7.16
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded h2 v0.1.14
[INFO] [stderr]   Downloaded blob v0.2.0
[INFO] [stderr]   Downloaded signal-hook v0.1.6
[INFO] [stderr]   Downloaded time v0.1.41
[INFO] [stderr]   Downloaded actix-lua v0.5.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.44
[INFO] [stderr]   Downloaded serde_derive v1.0.82
[INFO] [stderr]   Downloaded backtrace v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] eca2140f176ef83fee89f1607a5f0a8a8afbfbf441027328ecb0569982394d9f
[INFO] running `Command { std: "docker" "start" "-a" "eca2140f176ef83fee89f1607a5f0a8a8afbfbf441027328ecb0569982394d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eca2140f176ef83fee89f1607a5f0a8a8afbfbf441027328ecb0569982394d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca2140f176ef83fee89f1607a5f0a8a8afbfbf441027328ecb0569982394d9f", kill_on_drop: false }`
[INFO] [stdout] eca2140f176ef83fee89f1607a5f0a8a8afbfbf441027328ecb0569982394d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 648cca316948b2d7d4a4664d70e5fe4a0cfdf917c4a9c0bf963c57b2add808fe
[INFO] running `Command { std: "docker" "start" "-a" "648cca316948b2d7d4a4664d70e5fe4a0cfdf917c4a9c0bf963c57b2add808fe", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: llvm
[INFO] [stderr] warning: unused manifest key: rust
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking askama_escape v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/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="use_std"' --cfg 'feature="with-deprecated"' -C metadata=d817449cf535ffdb -C extra-filename=-d817449cf535ffdb --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" "648cca316948b2d7d4a4664d70e5fe4a0cfdf917c4a9c0bf963c57b2add808fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648cca316948b2d7d4a4664d70e5fe4a0cfdf917c4a9c0bf963c57b2add808fe", kill_on_drop: false }`
[INFO] [stdout] 648cca316948b2d7d4a4664d70e5fe4a0cfdf917c4a9c0bf963c57b2add808fe
