[INFO] fetching crate spandex 0.0.4...
[INFO] documenting spandex-0.0.4 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate spandex 0.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate spandex 0.0.4 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 spandex 0.0.4
[INFO] finished tweaking crates.io crate spandex 0.0.4
[INFO] tweaked toml for crates.io crate spandex 0.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate spandex 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c357cb8b0b004053eb01b2c94dfcf0586448f5569c015a9f5f1779324f878fbc
[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" "c357cb8b0b004053eb01b2c94dfcf0586448f5569c015a9f5f1779324f878fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c357cb8b0b004053eb01b2c94dfcf0586448f5569c015a9f5f1779324f878fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c357cb8b0b004053eb01b2c94dfcf0586448f5569c015a9f5f1779324f878fbc", kill_on_drop: false }`
[INFO] [stdout] c357cb8b0b004053eb01b2c94dfcf0586448f5569c015a9f5f1779324f878fbc
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c8129ed21b44a52cc9ef2ee4a73d3fa2a7d3b1cb526b2d259b00a2a9d34d1d4
[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" "5c8129ed21b44a52cc9ef2ee4a73d3fa2a7d3b1cb526b2d259b00a2a9d34d1d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling pocket-resources v0.3.2
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking pom v3.0.2
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling freetype-sys v0.7.1
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking freetype-rs v0.19.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking lopdf v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking printpdf v0.2.12
[INFO] [stderr]     Checking nom_locate v1.0.0
[INFO] [stderr]     Checking atlatl v0.1.2
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking hyphenation_commons v0.7.1
[INFO] [stderr]    Compiling spandex-hyphenation v0.7.4
[INFO] [stderr]  Documenting spandex v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/layout/paragraphs/utils/linebreak.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             ((desired_length.0 - actual_length.0) / total_stretchability.0)
[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 block return value
[INFO] [stdout]   --> src/layout/paragraphs/utils/linebreak.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         ((desired_length.0 - actual_length.0) / total_shrinkability.0)
[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 41.91s
[INFO] running `Command { std: "docker" "inspect" "5c8129ed21b44a52cc9ef2ee4a73d3fa2a7d3b1cb526b2d259b00a2a9d34d1d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8129ed21b44a52cc9ef2ee4a73d3fa2a7d3b1cb526b2d259b00a2a9d34d1d4", kill_on_drop: false }`
[INFO] [stdout] 5c8129ed21b44a52cc9ef2ee4a73d3fa2a7d3b1cb526b2d259b00a2a9d34d1d4
