[INFO] cloning repository https://github.com/augustuswm/masque
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/augustuswm/masque" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faugustuswm%2Fmasque", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faugustuswm%2Fmasque'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d7a8ba16b11038e82c45ae2cd474acccc25d9ba
[INFO] documenting augustuswm/masque 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%2Faugustuswm%2Fmasque" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/augustuswm/masque 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/augustuswm/masque
[INFO] finished tweaking git repo https://github.com/augustuswm/masque
[INFO] tweaked toml for git repo https://github.com/augustuswm/masque written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/augustuswm/masque 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 openssl v0.10.11
[INFO] [stderr]   Downloaded tokio v0.1.6
[INFO] [stderr]   Downloaded http v0.1.5
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.3
[INFO] [stderr]   Downloaded tokio-timer v0.2.3
[INFO] [stderr]   Downloaded hyper v0.12.0
[INFO] [stderr]   Downloaded h2 v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70b63c8a341c54903f47d3ab4a40c0fc3ec7bd133af18f7ba857c601293e96ac
[INFO] running `Command { std: "docker" "start" "-a" "70b63c8a341c54903f47d3ab4a40c0fc3ec7bd133af18f7ba857c601293e96ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70b63c8a341c54903f47d3ab4a40c0fc3ec7bd133af18f7ba857c601293e96ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b63c8a341c54903f47d3ab4a40c0fc3ec7bd133af18f7ba857c601293e96ac", kill_on_drop: false }`
[INFO] [stdout] 70b63c8a341c54903f47d3ab4a40c0fc3ec7bd133af18f7ba857c601293e96ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f9e7ec1a96b8e58036210ad2912bd0d0e7c5c3df49097ac8b10c1f289864765e
[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" "f9e7ec1a96b8e58036210ad2912bd0d0e7c5c3df49097ac8b10c1f289864765e", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]     Checking string v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.3
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking h2 v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking hyper v0.12.0
[INFO] [stderr]     Checking hyper-tls v0.3.0
[INFO] [stderr]  Documenting masque v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.65s
[INFO] running `Command { std: "docker" "inspect" "f9e7ec1a96b8e58036210ad2912bd0d0e7c5c3df49097ac8b10c1f289864765e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e7ec1a96b8e58036210ad2912bd0d0e7c5c3df49097ac8b10c1f289864765e", kill_on_drop: false }`
[INFO] [stdout] f9e7ec1a96b8e58036210ad2912bd0d0e7c5c3df49097ac8b10c1f289864765e