[INFO] fetching crate genome-graph 0.1.0...
[INFO] documenting genome-graph-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate genome-graph 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate genome-graph 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genome-graph 0.1.0
[INFO] finished tweaking crates.io crate genome-graph 0.1.0
[INFO] tweaked toml for crates.io crate genome-graph 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe12bb82842d1fd1870df6f5a9397bedc10b3b92c42dc959ea25d9bc7f532cc1
[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" "fe12bb82842d1fd1870df6f5a9397bedc10b3b92c42dc959ea25d9bc7f532cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe12bb82842d1fd1870df6f5a9397bedc10b3b92c42dc959ea25d9bc7f532cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe12bb82842d1fd1870df6f5a9397bedc10b3b92c42dc959ea25d9bc7f532cc1", kill_on_drop: false }`
[INFO] [stdout] fe12bb82842d1fd1870df6f5a9397bedc10b3b92c42dc959ea25d9bc7f532cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c03100a43e414d25aba0736bca7def6e480799ebc54d9f5619e6647e72a1290a
[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" "c03100a43e414d25aba0736bca7def6e480799ebc54d9f5619e6647e72a1290a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling bio v0.31.0
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking opaque_typedef v0.0.5
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking compact-genome v0.1.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bio-types v0.7.0
[INFO] [stderr]     Checking multimap v0.6.0
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]     Checking traitgraph v0.1.0
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling opaque_typedef_macros v0.0.5
[INFO] [stderr]     Checking bigraph v0.1.0
[INFO] [stderr]  Documenting genome-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.27s
[INFO] running `Command { std: "docker" "inspect" "c03100a43e414d25aba0736bca7def6e480799ebc54d9f5619e6647e72a1290a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03100a43e414d25aba0736bca7def6e480799ebc54d9f5619e6647e72a1290a", kill_on_drop: false }`
[INFO] [stdout] c03100a43e414d25aba0736bca7def6e480799ebc54d9f5619e6647e72a1290a