tracing-error 0.1.2

# rustc version
rustc 1.43.0-nightly (4ad624882 2020-03-03)# docs.rs version
docsrs 0.6.0 (be4a0c1 2020-03-04)# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/tracing-error-0.1.2/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/tracing-error-0.1.2/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 -20200303-1.43.0-nightly-4ad624882 --static-root-path / --extern-html-root-url tracing=https://docs.rs/tracing/0.1.13 --extern-html-root-url tracing_subscriber=https://docs.rs/tracing-subscriber/0.2.2 --cfg docsrs" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--lib" "--no-deps" "--all-features"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af87bdcd0e9fe28eaa8ac7f7b8296c4cc7d6a62041bc7a49cb96688a955ad647
[INFO] running `"docker" "start" "-a" "af87bdcd0e9fe28eaa8ac7f7b8296c4cc7d6a62041bc7a49cb96688a955ad647"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.0.8
[INFO] [stderr]     Checking tracing-subscriber v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]  Documenting tracing-error v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.26s
[INFO] running `"docker" "inspect" "af87bdcd0e9fe28eaa8ac7f7b8296c4cc7d6a62041bc7a49cb96688a955ad647"`
[INFO] running `"docker" "rm" "-f" "af87bdcd0e9fe28eaa8ac7f7b8296c4cc7d6a62041bc7a49cb96688a955ad647"`
[INFO] [stdout] af87bdcd0e9fe28eaa8ac7f7b8296c4cc7d6a62041bc7a49cb96688a955ad647