[INFO] fetching crate fastax 1.4.0...
[INFO] documenting fastax-1.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate fastax 1.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fastax 1.4.0 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 fastax 1.4.0
[INFO] finished tweaking crates.io crate fastax 1.4.0
[INFO] tweaked toml for crates.io crate fastax 1.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate fastax 1.4.0 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 81c1c18b965a74452fcd87df8b49de4ba2545f00eee426db1cd93933efc8e2b1
[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" "81c1c18b965a74452fcd87df8b49de4ba2545f00eee426db1cd93933efc8e2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81c1c18b965a74452fcd87df8b49de4ba2545f00eee426db1cd93933efc8e2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c1c18b965a74452fcd87df8b49de4ba2545f00eee426db1cd93933efc8e2b1", kill_on_drop: false }`
[INFO] [stdout] 81c1c18b965a74452fcd87df8b49de4ba2545f00eee426db1cd93933efc8e2b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6ea0f10c605981a9437a3cdc6b672f5b0517bb3dd4ec41c0b66cd296264cf8ea
[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" "6ea0f10c605981a9437a3cdc6b672f5b0517bb3dd4ec41c0b66cd296264cf8ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking loggerv v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking miniz_oxide v0.3.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling libsqlite3-sys v0.11.1
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking rusqlite v0.16.0
[INFO] [stderr]     Checking ftp v3.0.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]  Documenting fastax v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.78s
[INFO] running `Command { std: "docker" "inspect" "6ea0f10c605981a9437a3cdc6b672f5b0517bb3dd4ec41c0b66cd296264cf8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea0f10c605981a9437a3cdc6b672f5b0517bb3dd4ec41c0b66cd296264cf8ea", kill_on_drop: false }`
[INFO] [stdout] 6ea0f10c605981a9437a3cdc6b672f5b0517bb3dd4ec41c0b66cd296264cf8ea