[INFO] fetching crate tle5012 0.1.0...
[INFO] documenting tle5012-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tle5012 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tle5012 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] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking crates.io crate tle5012 0.1.0
[INFO] finished tweaking crates.io crate tle5012 0.1.0
[INFO] tweaked toml for crates.io crate tle5012 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 panic-semihosting v0.5.3
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.5
[INFO] [stderr]   Downloaded serialio v0.1.2
[INFO] [stderr]   Downloaded stm32f7x7-hal v0.2.1
[INFO] [stderr]   Downloaded stm32f7 v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9195ec9007c6c245ebb6546d22bbb9132c9faec0126e20f29fa0eaec9b9aab67
[INFO] running `Command { std: "docker" "start" "-a" "9195ec9007c6c245ebb6546d22bbb9132c9faec0126e20f29fa0eaec9b9aab67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9195ec9007c6c245ebb6546d22bbb9132c9faec0126e20f29fa0eaec9b9aab67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9195ec9007c6c245ebb6546d22bbb9132c9faec0126e20f29fa0eaec9b9aab67", kill_on_drop: false }`
[INFO] [stdout] 9195ec9007c6c245ebb6546d22bbb9132c9faec0126e20f29fa0eaec9b9aab67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 058a27ea31c073f6555c5eb39a4ee2416928af8738599711ce737395f35c1bc0
[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" "058a27ea31c073f6555c5eb39a4ee2416928af8738599711ce737395f35c1bc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]  Documenting tle5012 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 | /         (if tmp & CHECK_BIT_14 != 0 {
[INFO] [stdout] 299 | |             tmp.wrapping_sub(CHANGE_UINT_TO_INT_15)
[INFO] [stdout] 300 | |         } else {
[INFO] [stdout] 301 | |             tmp
[INFO] [stdout] 302 | |         } as i16)
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 298 |         if tmp & CHECK_BIT_14 != 0 {
[INFO] [stdout] 299 |             tmp.wrapping_sub(CHANGE_UINT_TO_INT_15)
[INFO] [stdout] 300 |         } else {
[INFO] [stdout] 301 |             tmp
[INFO] [stdout] 302 |         } as i16
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 | /         (if tmp & CHECK_BIT_9 != 0 {
[INFO] [stdout] 309 | |             tmp.wrapping_sub(CHANGE_UNIT_TO_INT_9)
[INFO] [stdout] 310 | |         } else {
[INFO] [stdout] 311 | |             tmp
[INFO] [stdout] 312 | |         } as i16)
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 308 |         if tmp & CHECK_BIT_9 != 0 {
[INFO] [stdout] 309 |             tmp.wrapping_sub(CHANGE_UNIT_TO_INT_9)
[INFO] [stdout] 310 |         } else {
[INFO] [stdout] 311 |             tmp
[INFO] [stdout] 312 |         } as i16
[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 1.45s
[INFO] running `Command { std: "docker" "inspect" "058a27ea31c073f6555c5eb39a4ee2416928af8738599711ce737395f35c1bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058a27ea31c073f6555c5eb39a4ee2416928af8738599711ce737395f35c1bc0", kill_on_drop: false }`
[INFO] [stdout] 058a27ea31c073f6555c5eb39a4ee2416928af8738599711ce737395f35c1bc0