[INFO] fetching crate stm32l4x6-hal 0.1.0...
[INFO] documenting stm32l4x6-hal-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate stm32l4x6-hal 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stm32l4x6-hal 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 stm32l4x6-hal 0.1.0
[INFO] finished tweaking crates.io crate stm32l4x6-hal 0.1.0
[INFO] tweaked toml for crates.io crate stm32l4x6-hal 0.1.0 written to /workspace/builds/worker-6/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 stm32l4x6 v0.5.1
[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] 1b41e5147dc6a718085d5737165c902480483b23aeae41a72a459a09eea54f64
[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" "1b41e5147dc6a718085d5737165c902480483b23aeae41a72a459a09eea54f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b41e5147dc6a718085d5737165c902480483b23aeae41a72a459a09eea54f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b41e5147dc6a718085d5737165c902480483b23aeae41a72a459a09eea54f64", kill_on_drop: false }`
[INFO] [stdout] 1b41e5147dc6a718085d5737165c902480483b23aeae41a72a459a09eea54f64
[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] 65ab7f0997f0d9b22ec4bf07260c4ee4ca0faa4bc79d7d5bad77885093ab0c18
[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" "65ab7f0997f0d9b22ec4bf07260c4ee4ca0faa4bc79d7d5bad77885093ab0c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32l4x6 v0.5.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]  Documenting stm32l4x6-hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/config.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const SYST_MAX_RVR: u32 = (1 << 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/lcd/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     (clock_frequency / ((2u32.pow(ps)) * (16 + div)) * match duty {
[INFO] [stdout] 38 | |         0 => 1000,
[INFO] [stdout] 39 | |         1 => 500,
[INFO] [stdout] 40 | |         2 => 333,
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |         _ => unreachable!(),
[INFO] [stdout] 44 | |     } / 1000)
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 |     clock_frequency / ((2u32.pow(ps)) * (16 + div)) * match duty {
[INFO] [stdout] 38 |         0 => 1000,
[INFO] [stdout] 39 |         1 => 500,
[INFO] [stdout] 40 |         2 => 333,
[INFO] [stdout] 41 |         3 => 250,
[INFO] [stdout] 42 |         4 => 125,
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:283:19
[INFO] [stdout]     |
[INFO] [stdout] 283 |             Some(3...5) => 0b1001,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:284:19
[INFO] [stdout]     |
[INFO] [stdout] 284 |             Some(6...11) => 0b1010,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:285:20
[INFO] [stdout]     |
[INFO] [stdout] 285 |             Some(12...39) => 0b1011,
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:286:20
[INFO] [stdout]     |
[INFO] [stdout] 286 |             Some(40...95) => 0b1100,
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:287:20
[INFO] [stdout]     |
[INFO] [stdout] 287 |             Some(96...191) => 0b1101,
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:288:21
[INFO] [stdout]     |
[INFO] [stdout] 288 |             Some(192...383) => 0b1110,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:298:19
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Some(3...5) => 0b101,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:299:19
[INFO] [stdout]     |
[INFO] [stdout] 299 |             Some(6...11) => 0b110,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:310:19
[INFO] [stdout]     |
[INFO] [stdout] 310 |             Some(3...5) => 0b101,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rcc/mod.rs:311:19
[INFO] [stdout]     |
[INFO] [stdout] 311 |             Some(6...11) => 0b110,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.46s
[INFO] running `Command { std: "docker" "inspect" "65ab7f0997f0d9b22ec4bf07260c4ee4ca0faa4bc79d7d5bad77885093ab0c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ab7f0997f0d9b22ec4bf07260c4ee4ca0faa4bc79d7d5bad77885093ab0c18", kill_on_drop: false }`
[INFO] [stdout] 65ab7f0997f0d9b22ec4bf07260c4ee4ca0faa4bc79d7d5bad77885093ab0c18