backtrace 0.3.55

# rustc version
rustc 1.50.0-nightly (fe982319a 2020-11-19)# docs.rs version
docsrs 0.6.0 (7eb89bc 2020-11-16)# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/backtrace-0.3.55/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/backtrace-0.3.55/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--cpus" "2" "--user" "1001:1001" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-j2" "--" "-Z" "unstable-options" "--extern-html-root-url" "miniz_oxide=https://docs.rs/miniz_oxide/0.4.3" "--extern-html-root-url" "object=https://docs.rs/object/0.22.0" "--extern-html-root-url" "rustc_demangle=https://docs.rs/rustc-demangle/0.1.18" "--extern-html-root-url" "libloading=https://docs.rs/libloading/0.6.5" "--extern-html-root-url" "addr2line=https://docs.rs/addr2line/0.14.0" "--extern-html-root-url" "cfg_if=https://docs.rs/cfg-if/1.0.0" "--extern-html-root-url" "libc=https://docs.rs/libc/0.2.80" "--resource-suffix" "-20201119-1.50.0-nightly-fe982319a" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", kill_on_drop: false }`
[INFO] [stdout] f0f4042fe73580b4774c902019a00b61322f04498b70927c0d0d39b1a5b30ca1
[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" "f0f4042fe73580b4774c902019a00b61322f04498b70927c0d0d39b1a5b30ca1", kill_on_drop: false }`
[INFO] [stderr] /opt/crates-build-env/entrypoint.sh: line 7: /etc/hosts: Permission denied
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]  Documenting backtrace v0.3.55 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "f0f4042fe73580b4774c902019a00b61322f04498b70927c0d0d39b1a5b30ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f4042fe73580b4774c902019a00b61322f04498b70927c0d0d39b1a5b30ca1", kill_on_drop: false }`
[INFO] [stdout] f0f4042fe73580b4774c902019a00b61322f04498b70927c0d0d39b1a5b30ca1