[INFO] cloning repository https://github.com/lukaspustina/ceres
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukaspustina/ceres" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaspustina%2Fceres", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaspustina%2Fceres'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecce447ad7b0906bc2effff6bc1621e193008501
[INFO] documenting lukaspustina/ceres 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%2Flukaspustina%2Fceres" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukaspustina/ceres 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/lukaspustina/ceres
[INFO] finished tweaking git repo https://github.com/lukaspustina/ceres
[INFO] tweaked toml for git repo https://github.com/lukaspustina/ceres written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/lukaspustina/ceres 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 3baf5d92c78a0d290e669fa5b27d67f0b912ce568bcaaa8e59826ce393c5439a
[INFO] running `Command { std: "docker" "start" "-a" "3baf5d92c78a0d290e669fa5b27d67f0b912ce568bcaaa8e59826ce393c5439a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3baf5d92c78a0d290e669fa5b27d67f0b912ce568bcaaa8e59826ce393c5439a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3baf5d92c78a0d290e669fa5b27d67f0b912ce568bcaaa8e59826ce393c5439a", kill_on_drop: false }`
[INFO] [stdout] 3baf5d92c78a0d290e669fa5b27d67f0b912ce568bcaaa8e59826ce393c5439a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 526584b7cecb0a53ca3469517ef0fbcd0021478f459dd62af96ffa8c156e4584
[INFO] running `Command { std: "docker" "start" "-a" "526584b7cecb0a53ca3469517ef0fbcd0021478f459dd62af96ffa8c156e4584", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]    Compiling hyperx v1.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking webbrowser v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rusoto_core v0.34.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling pest v2.1.3
[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-0.1.29/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=79b79ee6a2443104 -C extra-filename=-79b79ee6a2443104 --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" "526584b7cecb0a53ca3469517ef0fbcd0021478f459dd62af96ffa8c156e4584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526584b7cecb0a53ca3469517ef0fbcd0021478f459dd62af96ffa8c156e4584", kill_on_drop: false }`
[INFO] [stdout] 526584b7cecb0a53ca3469517ef0fbcd0021478f459dd62af96ffa8c156e4584
