[INFO] cloning repository https://github.com/xurtis/screencap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xurtis/screencap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxurtis%2Fscreencap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxurtis%2Fscreencap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fbd25bb9f6c1879fb311df1b016a31ba65ba4a9
[INFO] documenting xurtis/screencap 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%2Fxurtis%2Fscreencap" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xurtis/screencap 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/xurtis/screencap
[INFO] finished tweaking git repo https://github.com/xurtis/screencap
[INFO] tweaked toml for git repo https://github.com/xurtis/screencap written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xurtis/screencap 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded num_cpus v1.9.0
[INFO] [stderr]   Downloaded time v0.1.41
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded libc v0.2.46
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.50
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f58e2a8a5d8396f8e6c2f9d6b641077aa3ebc1082bb3cf8b31a9ee2d71f375e9
[INFO] running `Command { std: "docker" "start" "-a" "f58e2a8a5d8396f8e6c2f9d6b641077aa3ebc1082bb3cf8b31a9ee2d71f375e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f58e2a8a5d8396f8e6c2f9d6b641077aa3ebc1082bb3cf8b31a9ee2d71f375e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58e2a8a5d8396f8e6c2f9d6b641077aa3ebc1082bb3cf8b31a9ee2d71f375e9", kill_on_drop: false }`
[INFO] [stdout] f58e2a8a5d8396f8e6c2f9d6b641077aa3ebc1082bb3cf8b31a9ee2d71f375e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b21903f2e502e9245439cd37c8ef6841988ea9e4272f38d5ff7e28cb9a522991
[INFO] running `Command { std: "docker" "start" "-a" "b21903f2e502e9245439cd37c8ef6841988ea9e4272f38d5ff7e28cb9a522991", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]  Documenting screencap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.08s
[INFO] running `Command { std: "docker" "inspect" "b21903f2e502e9245439cd37c8ef6841988ea9e4272f38d5ff7e28cb9a522991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21903f2e502e9245439cd37c8ef6841988ea9e4272f38d5ff7e28cb9a522991", kill_on_drop: false }`
[INFO] [stdout] b21903f2e502e9245439cd37c8ef6841988ea9e4272f38d5ff7e28cb9a522991