[INFO] fetching crate peep 0.1.4...
[INFO] documenting peep-0.1.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate peep 0.1.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate peep 0.1.4 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 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ada9aedda1188edb8454d227511bd32ac2cfbcf9baf01f8436c80725b09a5cad
[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" "ada9aedda1188edb8454d227511bd32ac2cfbcf9baf01f8436c80725b09a5cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada9aedda1188edb8454d227511bd32ac2cfbcf9baf01f8436c80725b09a5cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada9aedda1188edb8454d227511bd32ac2cfbcf9baf01f8436c80725b09a5cad", kill_on_drop: false }`
[INFO] [stdout] ada9aedda1188edb8454d227511bd32ac2cfbcf9baf01f8436c80725b09a5cad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 9a4dfbf39da0407e95f35748bb42a0e0c04c08f3953e68152b7e7b67c0bfee8d
[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" "9a4dfbf39da0407e95f35748bb42a0e0c04c08f3953e68152b7e7b67c0bfee8d", kill_on_drop: false }`
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.22
[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: `...` range patterns are deprecated
[INFO] [stdout]    --> src/keybind.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 '1'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/keybind.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 '0'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:225:14
[INFO] [stdout]     |
[INFO] [stdout] 225 |             0...2 => format!("{:>2}", line_number + 1),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |             0...2 => "  ".to_owned(),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:448:14
[INFO] [stdout]     |
[INFO] [stdout] 448 |             0...99 => 2,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:449:16
[INFO] [stdout]     |
[INFO] [stdout] 449 |             100...999 => 3,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:450:17
[INFO] [stdout]     |
[INFO] [stdout] 450 |             1000...9999 => 4,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.75s
[INFO] running `Command { std: "docker" "inspect" "9a4dfbf39da0407e95f35748bb42a0e0c04c08f3953e68152b7e7b67c0bfee8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4dfbf39da0407e95f35748bb42a0e0c04c08f3953e68152b7e7b67c0bfee8d", kill_on_drop: false }`
[INFO] [stdout] 9a4dfbf39da0407e95f35748bb42a0e0c04c08f3953e68152b7e7b67c0bfee8d