[INFO] cloning repository https://github.com/seunlanlege/futures-shared-state-channel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seunlanlege/futures-shared-state-channel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseunlanlege%2Ffutures-shared-state-channel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseunlanlege%2Ffutures-shared-state-channel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 715376e0ab8756b7ebf06ed4bf6281bed933eccc
[INFO] documenting seunlanlege/futures-shared-state-channel 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%2Fseunlanlege%2Ffutures-shared-state-channel" "/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/seunlanlege/futures-shared-state-channel 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/seunlanlege/futures-shared-state-channel
[INFO] finished tweaking git repo https://github.com/seunlanlege/futures-shared-state-channel
[INFO] tweaked toml for git repo https://github.com/seunlanlege/futures-shared-state-channel written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/seunlanlege/futures-shared-state-channel 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 futures-test v0.3.1
[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] [stdout] 186fcc195dea8d51a425bb323db3eba8ce974817dd1c6abe3d5d6b5b278fc2bf
[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" "186fcc195dea8d51a425bb323db3eba8ce974817dd1c6abe3d5d6b5b278fc2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "186fcc195dea8d51a425bb323db3eba8ce974817dd1c6abe3d5d6b5b278fc2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186fcc195dea8d51a425bb323db3eba8ce974817dd1c6abe3d5d6b5b278fc2bf", kill_on_drop: false }`
[INFO] [stdout] 186fcc195dea8d51a425bb323db3eba8ce974817dd1c6abe3d5d6b5b278fc2bf
[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] 82b2141b37b5b04f10bbb511060d092d7782d2fb4304c28ad511e74bae626bb7
[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" "82b2141b37b5b04f10bbb511060d092d7782d2fb4304c28ad511e74bae626bb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]  Documenting futures-shared-state-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]    --> src/lib.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct AtomicBorrowRef<'b> {
[INFO] [stdout]     |                          - help: you might be missing a type parameter: `, T`
[INFO] [stdout] 157 |     cell: &'b RefCell<T>,
[INFO] [stdout]     |                       ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `futures-shared-state-channel`.
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]    --> src/lib.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         cell: &'b RefCell<T>,
[INFO] [stdout]     |                           ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name futures_shared_state_channel src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam_queue=/opt/rustwide/target/debug/deps/libcrossbeam_queue-e9f2a8f5ee8227a3.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-255af823a0e0c8c9.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-1dfbb99c4a9b995b.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-ad240f2a745bea8c.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-dad90a97d9d49865.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82b2141b37b5b04f10bbb511060d092d7782d2fb4304c28ad511e74bae626bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b2141b37b5b04f10bbb511060d092d7782d2fb4304c28ad511e74bae626bb7", kill_on_drop: false }`
[INFO] [stdout] 82b2141b37b5b04f10bbb511060d092d7782d2fb4304c28ad511e74bae626bb7