[INFO] fetching crate peep 0.1.4...
[INFO] documenting peep-0.1.4 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate peep 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate peep 0.1.4 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peep 0.1.4
[INFO] finished tweaking crates.io crate peep 0.1.4
[INFO] tweaked toml for crates.io crate peep 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a4c5e4fb000dbc821d4ab5cebb29d05ba8bed8b4a3b79de511d30857aae31c8
[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" "4a4c5e4fb000dbc821d4ab5cebb29d05ba8bed8b4a3b79de511d30857aae31c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a4c5e4fb000dbc821d4ab5cebb29d05ba8bed8b4a3b79de511d30857aae31c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4c5e4fb000dbc821d4ab5cebb29d05ba8bed8b4a3b79de511d30857aae31c8", kill_on_drop: false }`
[INFO] [stdout] 4a4c5e4fb000dbc821d4ab5cebb29d05ba8bed8b4a3b79de511d30857aae31c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35b587f4e54dda30ac5487cb2581a09169bdcf3d22f124a5a7644466d907b1a2
[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" "35b587f4e54dda30ac5487cb2581a09169bdcf3d22f124a5a7644466d907b1a2", kill_on_drop: false }`
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]  Documenting peep v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/filewatch/mod.rs:24:73
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stdout]    |                                                                         ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/filewatch/mod.rs:32:73
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stdout]    |                                                                         ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.49s
[INFO] running `Command { std: "docker" "inspect" "35b587f4e54dda30ac5487cb2581a09169bdcf3d22f124a5a7644466d907b1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b587f4e54dda30ac5487cb2581a09169bdcf3d22f124a5a7644466d907b1a2", kill_on_drop: false }`
[INFO] [stdout] 35b587f4e54dda30ac5487cb2581a09169bdcf3d22f124a5a7644466d907b1a2