[INFO] fetching crate hilbert 0.1.1...
[INFO] documenting hilbert-0.1.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate hilbert 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hilbert 0.1.1 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 crates.io crate hilbert 0.1.1
[INFO] finished tweaking crates.io crate hilbert 0.1.1
[INFO] tweaked toml for crates.io crate hilbert 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1231d824f4d62bdf6608bfc0dc828490c097834843fea31db5194e2374f67fcd
[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" "1231d824f4d62bdf6608bfc0dc828490c097834843fea31db5194e2374f67fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1231d824f4d62bdf6608bfc0dc828490c097834843fea31db5194e2374f67fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1231d824f4d62bdf6608bfc0dc828490c097834843fea31db5194e2374f67fcd", kill_on_drop: false }`
[INFO] [stdout] 1231d824f4d62bdf6608bfc0dc828490c097834843fea31db5194e2374f67fcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 81a7a27a55715ce483f42b41736d3c80db354b0b9f5fa0e63731ce9aaf91df35
[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" "81a7a27a55715ce483f42b41736d3c80db354b0b9f5fa0e63731ce9aaf91df35", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]  Documenting hilbert v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/normalize.rs:216:34
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn range(&self) -> f64 { (self.high - self.low) }
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/point.rs:97:9
[INFO] [stdout]     |
[INFO] [stdout] 97  |       /// ```ignore
[INFO] [stdout]     |  _________^
[INFO] [stdout] 98  | |     /// 
[INFO] [stdout] 99  | |     ///  //    (A - B)² = A² + B² - 2·A·B
[INFO] [stdout] 100 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/transform.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |   /// ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 19 | | /// 
[INFO] [stdout] 20 | | ///  //                                           ↑
[INFO] [stdout] 21 | | ///  //   X[0] = A D G J M                    X[2]|  7
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | | /// 
[INFO] [stdout] 26 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.97s
[INFO] running `Command { std: "docker" "inspect" "81a7a27a55715ce483f42b41736d3c80db354b0b9f5fa0e63731ce9aaf91df35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a7a27a55715ce483f42b41736d3c80db354b0b9f5fa0e63731ce9aaf91df35", kill_on_drop: false }`
[INFO] [stdout] 81a7a27a55715ce483f42b41736d3c80db354b0b9f5fa0e63731ce9aaf91df35
