[INFO] cloning repository https://github.com/raybritton/dir-syncer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raybritton/dir-syncer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraybritton%2Fdir-syncer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraybritton%2Fdir-syncer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be80a23c9551db7c4d74b45f4b3d6a7a97b1181c
[INFO] documenting raybritton/dir-syncer 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%2Fraybritton%2Fdir-syncer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raybritton/dir-syncer 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/raybritton/dir-syncer
[INFO] finished tweaking git repo https://github.com/raybritton/dir-syncer
[INFO] tweaked toml for git repo https://github.com/raybritton/dir-syncer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/raybritton/dir-syncer 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]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 161f05caed01d01fa261edb068281f2c971635a5ee10f0d9e3319df4e02afe73
[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" "161f05caed01d01fa261edb068281f2c971635a5ee10f0d9e3319df4e02afe73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "161f05caed01d01fa261edb068281f2c971635a5ee10f0d9e3319df4e02afe73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161f05caed01d01fa261edb068281f2c971635a5ee10f0d9e3319df4e02afe73", kill_on_drop: false }`
[INFO] [stdout] 161f05caed01d01fa261edb068281f2c971635a5ee10f0d9e3319df4e02afe73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0aee152ad69cf2e7bb757f8c546fe706c47be2d9c335fcc1f1fd3cfc49a30888
[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" "0aee152ad69cf2e7bb757f8c546fe706c47be2d9c335fcc1f1fd3cfc49a30888", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking simplelog v0.7.4
[INFO] [stderr]  Documenting dirsync v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "0aee152ad69cf2e7bb757f8c546fe706c47be2d9c335fcc1f1fd3cfc49a30888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aee152ad69cf2e7bb757f8c546fe706c47be2d9c335fcc1f1fd3cfc49a30888", kill_on_drop: false }`
[INFO] [stdout] 0aee152ad69cf2e7bb757f8c546fe706c47be2d9c335fcc1f1fd3cfc49a30888