[INFO] fetching crate kick 0.1.2...
[INFO] documenting kick-0.1.2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate kick 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate kick 0.1.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kick 0.1.2
[INFO] finished tweaking crates.io crate kick 0.1.2
[INFO] tweaked toml for crates.io crate kick 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15d3ae6cbbd1750d4ca6cf9411581f73c76ff37ec2f962ade0b899eeb9d2260a
[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" "15d3ae6cbbd1750d4ca6cf9411581f73c76ff37ec2f962ade0b899eeb9d2260a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d3ae6cbbd1750d4ca6cf9411581f73c76ff37ec2f962ade0b899eeb9d2260a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d3ae6cbbd1750d4ca6cf9411581f73c76ff37ec2f962ade0b899eeb9d2260a", kill_on_drop: false }`
[INFO] [stdout] 15d3ae6cbbd1750d4ca6cf9411581f73c76ff37ec2f962ade0b899eeb9d2260a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b23205fa004d6eb5d66620bfe99d71a2682ab9b77945ca3510240531fbe68ada
[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" "b23205fa004d6eb5d66620bfe99d71a2682ab9b77945ca3510240531fbe68ada", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting kick v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/stream/slot.rs:54:44
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn push(&mut self, t: T) -> Option<(Box<MomentBox<'b, (), Tr>>)> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0309]: the parameter type `T` may not live long enough
[INFO] [stdout]    --> src/signal/variable.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | /     fn listen<F>(&self, f: F) -> Self::Listen
[INFO] [stdout] 115 | |         where F: Into<Slot<'a, 'a, T, Tr>>
[INFO] [stdout] 116 | |     {
[INFO] [stdout] 117 | |         self.updates.listen(f)
[INFO] [stdout] 118 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding an explicit lifetime bound `T: 'a`...
[INFO] [stdout]     = note: ...so that the type `T` will meet its required lifetime bounds
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0309`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `kick`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name kick 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 --cap-lints=warn --crate-version 0.1.2` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "b23205fa004d6eb5d66620bfe99d71a2682ab9b77945ca3510240531fbe68ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23205fa004d6eb5d66620bfe99d71a2682ab9b77945ca3510240531fbe68ada", kill_on_drop: false }`
[INFO] [stdout] b23205fa004d6eb5d66620bfe99d71a2682ab9b77945ca3510240531fbe68ada
