[INFO] fetching crate softposit 0.3.9...
[INFO] documenting softposit-0.3.9 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate softposit 0.3.9 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate softposit 0.3.9 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 softposit 0.3.9
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate softposit 0.3.9
[INFO] tweaked toml for crates.io crate softposit 0.3.9 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate softposit 0.3.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded nalgebra v0.18.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.7
[INFO] [stderr]   Downloaded regex-automata v0.1.7
[INFO] [stderr]   Downloaded bstr v0.2.1
[INFO] [stderr]   Downloaded regex v1.1.7
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] [stderr]   Downloaded walkdir v2.2.8
[INFO] [stderr]   Downloaded csv v1.1.0
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4790fccc23756656bba83cad18ac576427890e8645ca34a882409185291b9919
[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" "4790fccc23756656bba83cad18ac576427890e8645ca34a882409185291b9919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4790fccc23756656bba83cad18ac576427890e8645ca34a882409185291b9919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4790fccc23756656bba83cad18ac576427890e8645ca34a882409185291b9919", kill_on_drop: false }`
[INFO] [stdout] 4790fccc23756656bba83cad18ac576427890e8645ca34a882409185291b9919
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6644b92d0a0f64e895a663aca1e38f1fe48cbc0108cb75fd29ea33bc0070b0f2
[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" "6644b92d0a0f64e895a663aca1e38f1fe48cbc0108cb75fd29ea33bc0070b0f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]  Documenting softposit v0.3.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/p16e1/math.rs:1127:9
[INFO] [stdout]      |
[INFO] [stdout] 1127 |         ((f * (0x_2C5C_8000 + s)) >> 24)
[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/p32e2/math/sleef.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         (if x.signum() == -ONE { P32E2::PI } else { ZERO })
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/p32e2/math/sleef.rs:594:31
[INFO] [stdout]     |
[INFO] [stdout] 594 |     let r = if o { u } else { (P32E2::FRAC_PI_2 - TWO * u) };
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "6644b92d0a0f64e895a663aca1e38f1fe48cbc0108cb75fd29ea33bc0070b0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6644b92d0a0f64e895a663aca1e38f1fe48cbc0108cb75fd29ea33bc0070b0f2", kill_on_drop: false }`
[INFO] [stdout] 6644b92d0a0f64e895a663aca1e38f1fe48cbc0108cb75fd29ea33bc0070b0f2