[INFO] fetching crate dargo 0.0.6...
[INFO] documenting dargo-0.0.6 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate dargo 0.0.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dargo 0.0.6 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dargo 0.0.6
[INFO] finished tweaking crates.io crate dargo 0.0.6
[INFO] tweaked toml for crates.io crate dargo 0.0.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13dfab21aa7488e181d6caf3a1cb8c702dc65511e9f278ee3d8988e164101eab
[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" "13dfab21aa7488e181d6caf3a1cb8c702dc65511e9f278ee3d8988e164101eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13dfab21aa7488e181d6caf3a1cb8c702dc65511e9f278ee3d8988e164101eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13dfab21aa7488e181d6caf3a1cb8c702dc65511e9f278ee3d8988e164101eab", kill_on_drop: false }`
[INFO] [stdout] 13dfab21aa7488e181d6caf3a1cb8c702dc65511e9f278ee3d8988e164101eab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41f74f537f83704c6e64dccf0c643c68fa8b9fe5a3ae2179387f8737963929b5
[INFO] running `Command { std: "docker" "start" "-a" "41f74f537f83704c6e64dccf0c643c68fa8b9fe5a3ae2179387f8737963929b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling curl v0.4.30
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking hex v0.3.2
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[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking libc v0.2.71
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tar v0.4.29
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking opener v0.3.2
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking flexi_logger v0.13.4
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking crates-io v0.24.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]     Checking cargo v0.36.0
[INFO] [stderr]  Documenting dargo v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 35s
[INFO] running `Command { std: "docker" "inspect" "41f74f537f83704c6e64dccf0c643c68fa8b9fe5a3ae2179387f8737963929b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f74f537f83704c6e64dccf0c643c68fa8b9fe5a3ae2179387f8737963929b5", kill_on_drop: false }`
[INFO] [stdout] 41f74f537f83704c6e64dccf0c643c68fa8b9fe5a3ae2179387f8737963929b5