seqalign 0.2.2

# rustc version
rustc 1.45.0-nightly (9912925c2 2020-05-10)# docs.rs version
docsrs 0.6.0 (3125c8b 2020-05-08)# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/seqalign-0.2.2/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/seqalign-0.2.2/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1001" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=-Z unstable-options --resource-suffix -20200510-1.45.0-nightly-9912925c2 --static-root-path / --cap-lints warn --extern-html-root-url lazy_static=https://docs.rs/lazy_static/1.4.0 --extern-html-root-url maplit=https://docs.rs/maplit/1.0.2 --extern-html-root-url rand=https://docs.rs/rand/0.4.6 --extern-html-root-url pretty_assertions=https://docs.rs/pretty_assertions/0.5.1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--cpus" "2" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--lib" "--no-deps" "-j2"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 889e04ce25f7bc3a67aa67af1a9be8c07149ba4cb31553a19f78a44bda8b74e6
[INFO] running `"docker" "start" "-a" "889e04ce25f7bc3a67aa67af1a9be8c07149ba4cb31553a19f78a44bda8b74e6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]  Documenting seqalign v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "889e04ce25f7bc3a67aa67af1a9be8c07149ba4cb31553a19f78a44bda8b74e6"`
[INFO] running `"docker" "rm" "-f" "889e04ce25f7bc3a67aa67af1a9be8c07149ba4cb31553a19f78a44bda8b74e6"`
[INFO] [stdout] 889e04ce25f7bc3a67aa67af1a9be8c07149ba4cb31553a19f78a44bda8b74e6