[INFO] cloning repository https://github.com/olson-dan/rustzork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olson-dan/rustzork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folson-dan%2Frustzork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folson-dan%2Frustzork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1de5f9b011f9bb68b3b56d4e57d9dcf92a60e62
[INFO] documenting olson-dan/rustzork 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%2Folson-dan%2Frustzork" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olson-dan/rustzork 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/olson-dan/rustzork
[INFO] finished tweaking git repo https://github.com/olson-dan/rustzork
[INFO] tweaked toml for git repo https://github.com/olson-dan/rustzork written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/olson-dan/rustzork 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]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded clap v2.29.0
[INFO] [stderr]   Downloaded winapi v0.3.2
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.3.1
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 69156b190e2ff448f980aa7a42b8644ea3812640ee7bc9b0750a644bdf146c30
[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" "69156b190e2ff448f980aa7a42b8644ea3812640ee7bc9b0750a644bdf146c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69156b190e2ff448f980aa7a42b8644ea3812640ee7bc9b0750a644bdf146c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69156b190e2ff448f980aa7a42b8644ea3812640ee7bc9b0750a644bdf146c30", kill_on_drop: false }`
[INFO] [stdout] 69156b190e2ff448f980aa7a42b8644ea3812640ee7bc9b0750a644bdf146c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b1c6ee574706bbc7e898d7c6699ce20a4a4707f7697772696825fa9dd703f36e
[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" "b1c6ee574706bbc7e898d7c6699ce20a4a4707f7697772696825fa9dd703f36e", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stdout] error[E0425]: cannot find function `pthread_atfork` in crate `libc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/src/rngs/adapter/reseeding.rs:320:28
[INFO] [stdout]     |
[INFO] [stdout] 320 |             unsafe { libc::pthread_atfork(None, None, Some(fork_handler)) };
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^ not found in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b1c6ee574706bbc7e898d7c6699ce20a4a4707f7697772696825fa9dd703f36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c6ee574706bbc7e898d7c6699ce20a4a4707f7697772696825fa9dd703f36e", kill_on_drop: false }`
[INFO] [stdout] b1c6ee574706bbc7e898d7c6699ce20a4a4707f7697772696825fa9dd703f36e