[INFO] cloning repository https://github.com/maxsnew/cargo-dot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxsnew/cargo-dot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsnew%2Fcargo-dot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsnew%2Fcargo-dot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66e411929ac7c33817d838b3e651acac2e6b7690
[INFO] documenting maxsnew/cargo-dot against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsnew%2Fcargo-dot" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxsnew/cargo-dot on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxsnew/cargo-dot
[INFO] finished tweaking git repo https://github.com/maxsnew/cargo-dot
[INFO] tweaked toml for git repo https://github.com/maxsnew/cargo-dot written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/maxsnew/cargo-dot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/cargo`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/rust-installer.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/rust-installer`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/rust-installer`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/rust-installer`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/cargo`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded libssh2-sys v0.2.19
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded ignore v0.4.16
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] [stderr]   Downloaded serde_ignored v0.1.2
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[INFO] [stderr]   Downloaded libgit2-sys v0.12.12+1.0.1
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.0
[INFO] [stderr]   Downloaded fwdansi v1.1.0
[INFO] [stderr]   Downloaded curl v0.4.33
[INFO] [stderr]   Downloaded git2-curl v0.14.1
[INFO] [stderr]   Downloaded semver v0.10.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]   Downloaded git2 v0.13.10
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] [stderr]   Downloaded opener v0.4.1
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded home v0.5.3
[INFO] [stderr]   Downloaded vte v0.3.3
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df1e8c929c1f33f855a0c6e0cebef4ac5bcd4d85f1f148024e5551b61a76acc5
[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" "df1e8c929c1f33f855a0c6e0cebef4ac5bcd4d85f1f148024e5551b61a76acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1e8c929c1f33f855a0c6e0cebef4ac5bcd4d85f1f148024e5551b61a76acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1e8c929c1f33f855a0c6e0cebef4ac5bcd4d85f1f148024e5551b61a76acc5", kill_on_drop: false }`
[INFO] [stdout] df1e8c929c1f33f855a0c6e0cebef4ac5bcd4d85f1f148024e5551b61a76acc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6de6d9dff83a3320c6cdfaf98a763ed43f0bfe7d4cc371ff8527587d39c7e25
[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" "f6de6d9dff83a3320c6cdfaf98a763ed43f0bfe7d4cc371ff8527587d39c7e25", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.12.12+1.0.1
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling cargo v0.49.0 (https://github.com/rust-lang/cargo#1857880b)
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking git2 v0.13.10
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking cargo-platform v0.1.1 (https://github.com/rust-lang/cargo#1857880b)
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking crates-io v0.31.1 (https://github.com/rust-lang/cargo#1857880b)
[INFO] [stderr]  Documenting cargo-dot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "f6de6d9dff83a3320c6cdfaf98a763ed43f0bfe7d4cc371ff8527587d39c7e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6de6d9dff83a3320c6cdfaf98a763ed43f0bfe7d4cc371ff8527587d39c7e25", kill_on_drop: false }`
[INFO] [stdout] f6de6d9dff83a3320c6cdfaf98a763ed43f0bfe7d4cc371ff8527587d39c7e25