[INFO] cloning repository https://github.com/mw8/white_keyboard_layout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mw8/white_keyboard_layout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmw8%2Fwhite_keyboard_layout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmw8%2Fwhite_keyboard_layout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0fda4eb23e83bbe0f4c686bffb108bbc1b3501f
[INFO] documenting mw8/white_keyboard_layout against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmw8%2Fwhite_keyboard_layout" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mw8/white_keyboard_layout 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 git repo https://github.com/mw8/white_keyboard_layout
[INFO] finished tweaking git repo https://github.com/mw8/white_keyboard_layout
[INFO] tweaked toml for git repo https://github.com/mw8/white_keyboard_layout written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mw8/white_keyboard_layout 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0328f75d1a5f5df1d162b799e513629c657459b11b7be82d704ae48bf68b4b19
[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" "0328f75d1a5f5df1d162b799e513629c657459b11b7be82d704ae48bf68b4b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0328f75d1a5f5df1d162b799e513629c657459b11b7be82d704ae48bf68b4b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0328f75d1a5f5df1d162b799e513629c657459b11b7be82d704ae48bf68b4b19", kill_on_drop: false }`
[INFO] [stdout] 0328f75d1a5f5df1d162b799e513629c657459b11b7be82d704ae48bf68b4b19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 527f8f2ba7d71e9208807806e4fe132ae9d91451cdce7da3ecaf4803545ec8d6
[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" "527f8f2ba7d71e9208807806e4fe132ae9d91451cdce7da3ecaf4803545ec8d6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]  Documenting white_keyboard_layout v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/main.rs:1288:9
[INFO] [stdout]      |
[INFO] [stdout] 1288 | /         ((self.i == other.i   && self.f == other.f) ||
[INFO] [stdout] 1289 | |          (self.i == other.i-1 && self.f == other.f + 1000.0) ||
[INFO] [stdout] 1290 | |          (self.i == other.i+1 && self.f == other.f - 1000.0))
[INFO] [stdout]      | |_____________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1288 |         (self.i == other.i   && self.f == other.f) ||
[INFO] [stdout] 1289 |          (self.i == other.i-1 && self.f == other.f + 1000.0) ||
[INFO] [stdout] 1290 |          (self.i == other.i+1 && self.f == other.f - 1000.0)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/main.rs:1311:9
[INFO] [stdout]      |
[INFO] [stdout] 1311 | /         ((self.i <  other.i-1) ||
[INFO] [stdout] 1312 | |          (self.i == other.i-1 && self.f-1000.0 < other.f) ||
[INFO] [stdout] 1313 | |          (self.i == other.i   && self.f        < other.f) ||
[INFO] [stdout] 1314 | |          (self.i == other.i+1 && self.f+1000.0 < other.f))
[INFO] [stdout]      | |__________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1311 |         (self.i <  other.i-1) ||
[INFO] [stdout] 1312 |          (self.i == other.i-1 && self.f-1000.0 < other.f) ||
[INFO] [stdout] 1313 |          (self.i == other.i   && self.f        < other.f) ||
[INFO] [stdout] 1314 |          (self.i == other.i+1 && self.f+1000.0 < other.f)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "527f8f2ba7d71e9208807806e4fe132ae9d91451cdce7da3ecaf4803545ec8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527f8f2ba7d71e9208807806e4fe132ae9d91451cdce7da3ecaf4803545ec8d6", kill_on_drop: false }`
[INFO] [stdout] 527f8f2ba7d71e9208807806e4fe132ae9d91451cdce7da3ecaf4803545ec8d6