[INFO] fetching crate spritz_cipher 0.1.0...
[INFO] documenting spritz_cipher-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate spritz_cipher 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate spritz_cipher 0.1.0 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 spritz_cipher 0.1.0
[INFO] finished tweaking crates.io crate spritz_cipher 0.1.0
[INFO] tweaked toml for crates.io crate spritz_cipher 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate spritz_cipher 0.1.0 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 statistical v1.0.0
[INFO] [stderr]   Downloaded zeroize v1.0.0
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a22b214fcfc2c50d1052cc23d3bfb4247bdb81a8aff766a967c5ff1f1c342555
[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" "a22b214fcfc2c50d1052cc23d3bfb4247bdb81a8aff766a967c5ff1f1c342555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a22b214fcfc2c50d1052cc23d3bfb4247bdb81a8aff766a967c5ff1f1c342555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22b214fcfc2c50d1052cc23d3bfb4247bdb81a8aff766a967c5ff1f1c342555", kill_on_drop: false }`
[INFO] [stdout] a22b214fcfc2c50d1052cc23d3bfb4247bdb81a8aff766a967c5ff1f1c342555
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7deac1e4b92bf729c9d5948fd36c468a57d45846e0fc53b248b4985780a8798b
[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" "7deac1e4b92bf729c9d5948fd36c468a57d45846e0fc53b248b4985780a8798b", kill_on_drop: false }`
[INFO] [stderr]    Compiling spritz_cipher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking zeroize v1.0.0
[INFO] [stderr]  Documenting spritz_cipher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 | /         (
[INFO] [stdout] 317 | |         ((self.random8() as u32) <<  0)
[INFO] [stdout] 318 | |         | ((self.random8() as u32) <<  8)
[INFO] [stdout] 319 | |         | ((self.random8() as u32) << 16)
[INFO] [stdout] 320 | |         | ((self.random8() as u32) << 24))
[INFO] [stdout]     | |__________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 316 |         ((self.random8() as u32) <<  0)
[INFO] [stdout] 317 |         | ((self.random8() as u32) <<  8)
[INFO] [stdout] 318 |         | ((self.random8() as u32) << 16)
[INFO] [stdout] 319 |         | ((self.random8() as u32) << 24)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.32s
[INFO] running `Command { std: "docker" "inspect" "7deac1e4b92bf729c9d5948fd36c468a57d45846e0fc53b248b4985780a8798b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7deac1e4b92bf729c9d5948fd36c468a57d45846e0fc53b248b4985780a8798b", kill_on_drop: false }`
[INFO] [stdout] 7deac1e4b92bf729c9d5948fd36c468a57d45846e0fc53b248b4985780a8798b