[INFO] fetching crate rna-algos 0.1.15...
[INFO] documenting rna-algos-0.1.15 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate rna-algos 0.1.15 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rna-algos 0.1.15 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rna-algos 0.1.15
[INFO] finished tweaking crates.io crate rna-algos 0.1.15
[INFO] tweaked toml for crates.io crate rna-algos 0.1.15 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rna-algos 0.1.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0920bed79d747eee4ce59c471643191f237fb5d61175a62bf1cd31352ceda8e
[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" "d0920bed79d747eee4ce59c471643191f237fb5d61175a62bf1cd31352ceda8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0920bed79d747eee4ce59c471643191f237fb5d61175a62bf1cd31352ceda8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0920bed79d747eee4ce59c471643191f237fb5d61175a62bf1cd31352ceda8e", kill_on_drop: false }`
[INFO] [stdout] d0920bed79d747eee4ce59c471643191f237fb5d61175a62bf1cd31352ceda8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7462a41d6cbc384f03369b380e65c2bbad33fd4ca48aab8ac3fdef110016693
[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" "e7462a41d6cbc384f03369b380e65c2bbad33fd4ca48aab8ac3fdef110016693", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling bv v0.7.4
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking bio-seq-algos v0.1.17
[INFO] [stderr]     Checking rna-ss-params v0.1.17
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking bio v0.20.3
[INFO] [stderr]     Checking rna-algos v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rna-algos v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.60s
[INFO] running `Command { std: "docker" "inspect" "e7462a41d6cbc384f03369b380e65c2bbad33fd4ca48aab8ac3fdef110016693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7462a41d6cbc384f03369b380e65c2bbad33fd4ca48aab8ac3fdef110016693", kill_on_drop: false }`
[INFO] [stdout] e7462a41d6cbc384f03369b380e65c2bbad33fd4ca48aab8ac3fdef110016693