[INFO] cloning repository https://github.com/dgcampbe/tp2p
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgcampbe/tp2p" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgcampbe%2Ftp2p", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgcampbe%2Ftp2p'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91ed6757324b1291817c3e5ffd619a8901822851
[INFO] documenting dgcampbe/tp2p 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%2Fdgcampbe%2Ftp2p" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgcampbe/tp2p 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/dgcampbe/tp2p
[INFO] finished tweaking git repo https://github.com/dgcampbe/tp2p
[INFO] tweaked toml for git repo https://github.com/dgcampbe/tp2p written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/dgcampbe/tp2p 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 cpython v0.3.0
[INFO] [stderr]   Downloaded python3-sys v0.3.0
[INFO] [stderr]   Downloaded merkle v1.11.0
[INFO] [stderr]   Downloaded js-sys v0.3.28
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.51
[INFO] [stderr]   Downloaded web-sys v0.3.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 686e722368a87bf03ddb08a0f31d29e6851c8b202df88d258b71151b7c54cd9f
[INFO] running `Command { std: "docker" "start" "-a" "686e722368a87bf03ddb08a0f31d29e6851c8b202df88d258b71151b7c54cd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "686e722368a87bf03ddb08a0f31d29e6851c8b202df88d258b71151b7c54cd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686e722368a87bf03ddb08a0f31d29e6851c8b202df88d258b71151b7c54cd9f", kill_on_drop: false }`
[INFO] [stdout] 686e722368a87bf03ddb08a0f31d29e6851c8b202df88d258b71151b7c54cd9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 786686aaca5bb3a31d6b4717fdca393e56547c1dbc7f7a94469bfdecbd7c8fdf
[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" "786686aaca5bb3a31d6b4717fdca393e56547c1dbc7f7a94469bfdecbd7c8fdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling cpython v0.3.0
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling merkle v1.11.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling python3-sys v0.3.0
[INFO] [stderr]  Documenting tp2p v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::os`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::os::{OsRng};
[INFO] [stdout]    |           ^^ could not find `os` in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `tp2p`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name tp2p src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-c2f96bd6d2d1165d.rmeta --extern cpython=/opt/rustwide/target/debug/deps/libcpython-089acabfa37aa480.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-9aac3621ba59f921.rmeta --extern merkle=/opt/rustwide/target/debug/deps/libmerkle-13b7e9bfe6b2d281.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8dccd09564f818dc.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-9644d3fdece61a65.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-a4b2d5832864868e.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-2e2ad3d8b9eed9d3.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "786686aaca5bb3a31d6b4717fdca393e56547c1dbc7f7a94469bfdecbd7c8fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786686aaca5bb3a31d6b4717fdca393e56547c1dbc7f7a94469bfdecbd7c8fdf", kill_on_drop: false }`
[INFO] [stdout] 786686aaca5bb3a31d6b4717fdca393e56547c1dbc7f7a94469bfdecbd7c8fdf