[INFO] cloning repository https://github.com/simmons/tokio-aio-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simmons/tokio-aio-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimmons%2Ftokio-aio-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimmons%2Ftokio-aio-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e652b5c62960c38f5d3e1ca0ed7c258d92bfa1b
[INFO] documenting simmons/tokio-aio-examples against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimmons%2Ftokio-aio-examples" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simmons/tokio-aio-examples on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simmons/tokio-aio-examples
[INFO] finished tweaking git repo https://github.com/simmons/tokio-aio-examples
[INFO] tweaked toml for git repo https://github.com/simmons/tokio-aio-examples written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/simmons/tokio-aio-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79f2358e88dfd2d82898696d00b4aa622dbd3e548db24bfa755e28ea7fef1ce0
[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" "79f2358e88dfd2d82898696d00b4aa622dbd3e548db24bfa755e28ea7fef1ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79f2358e88dfd2d82898696d00b4aa622dbd3e548db24bfa755e28ea7fef1ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f2358e88dfd2d82898696d00b4aa622dbd3e548db24bfa755e28ea7fef1ce0", kill_on_drop: false }`
[INFO] [stdout] 79f2358e88dfd2d82898696d00b4aa622dbd3e548db24bfa755e28ea7fef1ce0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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-2020-10-09" "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] ab20e8ba10c0cd6c18eb7e4794b39ae8f3b83c21604f71ad4e2323130416da18
[INFO] running `Command { std: "docker" "start" "-a" "ab20e8ba10c0cd6c18eb7e4794b39ae8f3b83c21604f71ad4e2323130416da18", kill_on_drop: false }`
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking tokio-core v0.1.11
[INFO] [stderr]     Checking tokio-aio-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tokio-aio-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `tokio-aio-examples`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name echo_tokio_mpsc src/bin/echo-tokio-mpsc.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-f22c15f417d1d083.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-5751d44e67c96c49.rmeta --extern tokio_aio_examples=/opt/rustwide/target/debug/deps/libtokio_aio_examples-f89f82c8be2daaa4.rmeta --extern tokio_core=/opt/rustwide/target/debug/deps/libtokio_core-7e48052607c971cd.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ab20e8ba10c0cd6c18eb7e4794b39ae8f3b83c21604f71ad4e2323130416da18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab20e8ba10c0cd6c18eb7e4794b39ae8f3b83c21604f71ad4e2323130416da18", kill_on_drop: false }`
[INFO] [stdout] ab20e8ba10c0cd6c18eb7e4794b39ae8f3b83c21604f71ad4e2323130416da18
