[INFO] cloning repository https://github.com/crepererum/peter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crepererum/peter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrepererum%2Fpeter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrepererum%2Fpeter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 645d49ff37ac0e3f35a12a0546f08e264f7a51df
[INFO] documenting crepererum/peter 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%2Fcrepererum%2Fpeter" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crepererum/peter 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/crepererum/peter
[INFO] finished tweaking git repo https://github.com/crepererum/peter
[INFO] tweaked toml for git repo https://github.com/crepererum/peter written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/crepererum/peter 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 env_logger v0.5.10
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded regex v1.0.1
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] [stderr]   Downloaded static_slice v0.0.3
[INFO] [stderr]   Downloaded quicli v0.3.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.23
[INFO] [stderr]   Downloaded snow v0.2.1
[INFO] [stderr]   Downloaded backtrace v0.3.8
[INFO] [stderr]   Downloaded smallvec v0.6.2
[INFO] [stderr]   Downloaded curve25519-dalek v0.17.0
[INFO] [stderr]   Downloaded subtle v0.6.3
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded chacha20-poly1305-aead v0.1.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
[INFO] [stderr]   Downloaded rustc_version v0.2.2
[INFO] [stderr]   Downloaded digest v0.7.4
[INFO] [stderr]   Downloaded rand v0.5.0-pre.2
[INFO] [stderr]   Downloaded x25519-dalek v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2534b5cd0f72361feb7d45042b74d9e391bc9d5000d07bdaaf64fd923ff8b606
[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" "2534b5cd0f72361feb7d45042b74d9e391bc9d5000d07bdaaf64fd923ff8b606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2534b5cd0f72361feb7d45042b74d9e391bc9d5000d07bdaaf64fd923ff8b606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2534b5cd0f72361feb7d45042b74d9e391bc9d5000d07bdaaf64fd923ff8b606", kill_on_drop: false }`
[INFO] [stdout] 2534b5cd0f72361feb7d45042b74d9e391bc9d5000d07bdaaf64fd923ff8b606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b3c04c3d2c577d8953386e3bce67e81427eb51a982ece51e5da13dbf675e398f
[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" "b3c04c3d2c577d8953386e3bce67e81427eb51a982ece51e5da13dbf675e398f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling subtle v0.6.3
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking rand v0.5.0-pre.2
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling snow v0.2.1
[INFO] [stderr]    Compiling digest v0.7.4
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]    Compiling curve25519-dalek v0.17.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking x25519-dalek v0.2.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.0
[INFO] [stderr]  Documenting peter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.02s
[INFO] running `Command { std: "docker" "inspect" "b3c04c3d2c577d8953386e3bce67e81427eb51a982ece51e5da13dbf675e398f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c04c3d2c577d8953386e3bce67e81427eb51a982ece51e5da13dbf675e398f", kill_on_drop: false }`
[INFO] [stdout] b3c04c3d2c577d8953386e3bce67e81427eb51a982ece51e5da13dbf675e398f