[INFO] cloning repository https://github.com/dkm/tivarust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dkm/tivarust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkm%2Ftivarust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkm%2Ftivarust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 657dbd337f7f0937d8f78c9a99b811a6dda8854d
[INFO] documenting dkm/tivarust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkm%2Ftivarust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dkm/tivarust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] started tweaking git repo https://github.com/dkm/tivarust
[INFO] finished tweaking git repo https://github.com/dkm/tivarust
[INFO] tweaked toml for git repo https://github.com/dkm/tivarust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/dkm/tivarust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] cbc739f67308cc90e0f7a5279542800a29f51ad16b92d9d8dcaf9f894602c8e4
[INFO] running `Command { std: "docker" "start" "-a" "cbc739f67308cc90e0f7a5279542800a29f51ad16b92d9d8dcaf9f894602c8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc739f67308cc90e0f7a5279542800a29f51ad16b92d9d8dcaf9f894602c8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc739f67308cc90e0f7a5279542800a29f51ad16b92d9d8dcaf9f894602c8e4", kill_on_drop: false }`
[INFO] [stdout] cbc739f67308cc90e0f7a5279542800a29f51ad16b92d9d8dcaf9f894602c8e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e62f11c2a353d48b44797a8aab48876affd8beec7b060cf8def92a8de6575b01
[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" "e62f11c2a353d48b44797a8aab48876affd8beec7b060cf8def92a8de6575b01", kill_on_drop: false }`
[INFO] [stderr]  Documenting tivarust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items,asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4132:33
[INFO] [stdout]      |
[INFO] [stdout] 4132 |     let ui32Config : u32 = match(clock) {
[INFO] [stdout]      |                                 ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4132 -     let ui32Config : u32 = match(clock) {
[INFO] [stdout] 4132 +     let ui32Config : u32 = match clock {
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4164:7
[INFO] [stdout]      |
[INFO] [stdout] 4164 |     if(((ui32RCC & SYSCTL_RCC_MOSCDIS) != 0) && (!(ui32Config & SYSCTL_MAIN_OSC_DIS) != 0))
[INFO] [stdout]      |       ^                                                                                   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4164 -     if(((ui32RCC & SYSCTL_RCC_MOSCDIS) != 0) && (!(ui32Config & SYSCTL_MAIN_OSC_DIS) != 0))
[INFO] [stdout] 4164 +     if ((ui32RCC & SYSCTL_RCC_MOSCDIS) != 0) && (!(ui32Config & SYSCTL_MAIN_OSC_DIS) != 0)
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4171:20
[INFO] [stdout]      |
[INFO] [stdout] 4171 |         ui32RCC &= (!SYSCTL_RCC_MOSCDIS | (ui32Config & SYSCTL_MAIN_OSC_DIS));
[INFO] [stdout]      |                    ^                                                        ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4171 -         ui32RCC &= (!SYSCTL_RCC_MOSCDIS | (ui32Config & SYSCTL_MAIN_OSC_DIS));
[INFO] [stdout] 4171 +         ui32RCC &= !SYSCTL_RCC_MOSCDIS | (ui32Config & SYSCTL_MAIN_OSC_DIS);
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4189:14
[INFO] [stdout]      |
[INFO] [stdout] 4189 |         while((hwreg!(SYSCTL_RIS, u32) & SYSCTL_RIS_MOSCPUPRIS) == 0)
[INFO] [stdout]      |              ^                                                      ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4189 -         while((hwreg!(SYSCTL_RIS, u32) & SYSCTL_RIS_MOSCPUPRIS) == 0)
[INFO] [stdout] 4189 +         while (hwreg!(SYSCTL_RIS, u32) & SYSCTL_RIS_MOSCPUPRIS) == 0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4193:15
[INFO] [stdout]      |
[INFO] [stdout] 4193 |             if(ui32Delay == 0)
[INFO] [stdout]      |               ^              ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4193 -             if(ui32Delay == 0)
[INFO] [stdout] 4193 +             if ui32Delay == 0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4203:11
[INFO] [stdout]      |
[INFO] [stdout] 4203 |         if(ui32Delay == 0)
[INFO] [stdout]      |           ^              ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4203 -         if(ui32Delay == 0)
[INFO] [stdout] 4203 +         if ui32Delay == 0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4243:7
[INFO] [stdout]      |
[INFO] [stdout] 4243 |     if((ui32RCC2 & SYSCTL_RCC2_USERCC2) != 0)
[INFO] [stdout]      |       ^                                     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4243 -     if((ui32RCC2 & SYSCTL_RCC2_USERCC2) != 0)
[INFO] [stdout] 4243 +     if (ui32RCC2 & SYSCTL_RCC2_USERCC2) != 0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4278:7
[INFO] [stdout]      |
[INFO] [stdout] 4278 |     if((ui32Config & SYSCTL_RCC_BYPASS) == 0)
[INFO] [stdout]      |       ^                                     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4278 -     if((ui32Config & SYSCTL_RCC_BYPASS) == 0)
[INFO] [stdout] 4278 +     if (ui32Config & SYSCTL_RCC_BYPASS) == 0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4285:15
[INFO] [stdout]      |
[INFO] [stdout] 4285 |             if((hwreg!(SYSCTL_PLLSTAT, u32) & SYSCTL_PLLSTAT_LOCK) != 0)
[INFO] [stdout]      |               ^                                                        ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4285 -             if((hwreg!(SYSCTL_PLLSTAT, u32) & SYSCTL_PLLSTAT_LOCK) != 0)
[INFO] [stdout] 4285 +             if (hwreg!(SYSCTL_PLLSTAT, u32) & SYSCTL_PLLSTAT_LOCK) != 0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4416:19
[INFO] [stdout]      |
[INFO] [stdout] 4416 |             return(0);
[INFO] [stdout]      |                   ^ ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4416 -             return(0);
[INFO] [stdout] 4416 +             return0;
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4428:7
[INFO] [stdout]      |
[INFO] [stdout] 4428 |     if(((ui32RCC2 & SYSCTL_RCC2_USERCC2) != 0 &&
[INFO] [stdout]      |       ^
[INFO] [stdout] 4429 |         (ui32RCC2 & SYSCTL_RCC2_BYPASS2) == 0) ||
[INFO] [stdout] 4430 |        ((ui32RCC2 & SYSCTL_RCC2_USERCC2) == 0 && (ui32RCC & SYSCTL_RCC_BYPASS) == 0))
[INFO] [stdout]      |                                                                                     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4428 ~     if ((ui32RCC2 & SYSCTL_RCC2_USERCC2) != 0 &&
[INFO] [stdout] 4429 |         (ui32RCC2 & SYSCTL_RCC2_BYPASS2) == 0) ||
[INFO] [stdout] 4430 ~        ((ui32RCC2 & SYSCTL_RCC2_USERCC2) == 0 && (ui32RCC & SYSCTL_RCC_BYPASS) == 0)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4442:20
[INFO] [stdout]      |
[INFO] [stdout] 4442 |         ui32Clk /= ((((ui32PLL1 & SYSCTL_PLLFREQ1_Q_M) >>
[INFO] [stdout]      |                    ^
[INFO] [stdout] ...
[INFO] [stdout] 4445 |                       SYSCTL_PLLFREQ1_N_S) + 1) * 2);
[INFO] [stdout]      |                                                    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4442 ~         ui32Clk /= (((ui32PLL1 & SYSCTL_PLLFREQ1_Q_M) >>
[INFO] [stdout] 4443 |                       SYSCTL_PLLFREQ1_Q_S) + 1) *
[INFO] [stdout] 4444 |                     (((ui32PLL1 & SYSCTL_PLLFREQ1_N_M) >>
[INFO] [stdout] 4445 ~                       SYSCTL_PLLFREQ1_N_S) + 1) * 2;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4451:19
[INFO] [stdout]      |
[INFO] [stdout] 4451 |         ui32Clk = ((ui32Clk * ((ui32PLL & SYSCTL_PLLFREQ0_MINT_M) >>
[INFO] [stdout]      |                   ^
[INFO] [stdout] ...
[INFO] [stdout] 4454 |                                 SYSCTL_PLLFREQ0_MFRAC_S)) >> 10));
[INFO] [stdout]      |                                                                 ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4451 ~         ui32Clk = (ui32Clk * ((ui32PLL & SYSCTL_PLLFREQ0_MINT_M) >>
[INFO] [stdout] 4452 |                                SYSCTL_PLLFREQ0_MINT_S)) +
[INFO] [stdout] 4453 |                    ((ui32Clk * ((ui32PLL & SYSCTL_PLLFREQ0_MFRAC_M) >>
[INFO] [stdout] 4454 ~                                 SYSCTL_PLLFREQ0_MFRAC_S)) >> 10);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4465:15
[INFO] [stdout]      |
[INFO] [stdout] 4465 |         match (hwreg!(SYSCTL_DC1, u32) & SYSCTL_DC1_MINSYSDIV_M){
[INFO] [stdout]      |               ^                                                ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4465 -         match (hwreg!(SYSCTL_DC1, u32) & SYSCTL_DC1_MINSYSDIV_M){
[INFO] [stdout] 4465 +         match hwreg!(SYSCTL_DC1, u32) & SYSCTL_DC1_MINSYSDIV_M{
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4499:15
[INFO] [stdout]      |
[INFO] [stdout] 4499 |             if((ui32RCC2 & SYSCTL_RCC2_DIV400)!= 0 &&
[INFO] [stdout]      |               ^
[INFO] [stdout] ...
[INFO] [stdout] 4503 |                  (ui32RCC & SYSCTL_RCC_BYPASS) == 0)))
[INFO] [stdout]      |                                                      ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4499 ~             if (ui32RCC2 & SYSCTL_RCC2_DIV400)!= 0 &&
[INFO] [stdout] 4500 |                (((ui32RCC2 & SYSCTL_RCC2_USERCC2) != 0 &&
[INFO] [stdout] 4501 |                  (ui32RCC2 & SYSCTL_RCC2_BYPASS2) == 0) ||
[INFO] [stdout] 4502 |                 ((ui32RCC2 & SYSCTL_RCC2_USERCC2) == 0 &&
[INFO] [stdout] 4503 ~                  (ui32RCC & SYSCTL_RCC_BYPASS) == 0))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4506:27
[INFO] [stdout]      |
[INFO] [stdout] 4506 |                 ui32Clk = ((ui32Clk * 2) / (((ui32RCC2 &
[INFO] [stdout]      |                           ^
[INFO] [stdout] ...
[INFO] [stdout] 4510 |                                             1));
[INFO] [stdout]      |                                               ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4506 ~                 ui32Clk = (ui32Clk * 2) / (((ui32RCC2 &
[INFO] [stdout] 4507 |                                               (SYSCTL_RCC2_SYSDIV2_M |
[INFO] [stdout] 4508 |                                                SYSCTL_RCC2_SYSDIV2LSB)) >>
[INFO] [stdout] 4509 |                                              (SYSCTL_RCC2_SYSDIV2_S - 1)) +
[INFO] [stdout] 4510 ~                                             1);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4514:28
[INFO] [stdout]      |
[INFO] [stdout] 4514 |                 ui32Clk /= (((ui32RCC2 & SYSCTL_RCC2_SYSDIV2_M) >>
[INFO] [stdout]      |                            ^
[INFO] [stdout] 4515 |                              SYSCTL_RCC2_SYSDIV2_S) + 1);
[INFO] [stdout]      |                                                        ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4514 ~                 ui32Clk /= ((ui32RCC2 & SYSCTL_RCC2_SYSDIV2_M) >>
[INFO] [stdout] 4515 ~                              SYSCTL_RCC2_SYSDIV2_S) + 1;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4520:24
[INFO] [stdout]      |
[INFO] [stdout] 4520 |             ui32Clk /= (((ui32RCC & SYSCTL_RCC_SYSDIV_M) >>
[INFO] [stdout]      |                        ^
[INFO] [stdout] 4521 |                          SYSCTL_RCC_SYSDIV_S) + 1);
[INFO] [stdout]      |                                                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4520 ~             ui32Clk /= ((ui32RCC & SYSCTL_RCC_SYSDIV_M) >>
[INFO] [stdout] 4521 ~                          SYSCTL_RCC_SYSDIV_S) + 1;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4528:7
[INFO] [stdout]      |
[INFO] [stdout] 4528 |     if(ui32Max < ui32Clk)
[INFO] [stdout]      |       ^                 ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4528 -     if(ui32Max < ui32Clk)
[INFO] [stdout] 4528 +     if ui32Max < ui32Clk
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]     --> src/driverlib/sysctl.rs:4536:11
[INFO] [stdout]      |
[INFO] [stdout] 4536 |     return(ui32Clk);
[INFO] [stdout]      |           ^       ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4536 -     return(ui32Clk);
[INFO] [stdout] 4536 +     returnui32Clk;
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/tiva_uart.rs:143:42
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let uart_conf : TivaUartConf = match (uart) {
[INFO] [stdout]     |                                          ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 143 -     let uart_conf : TivaUartConf = match (uart) {
[INFO] [stdout] 143 +     let uart_conf : TivaUartConf = match uart {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tiva_uart.rs:171:29
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   (uart::UART_CONFIG_PAR_NONE | uart::UART_CONFIG_STOP_ONE |
[INFO] [stdout]     |                       ^
[INFO] [stdout] 172 | ...                    uart::UART_CONFIG_WLEN_8));
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 ~                             uart::UART_CONFIG_PAR_NONE | uart::UART_CONFIG_STOP_ONE |
[INFO] [stdout] 172 ~                              uart::UART_CONFIG_WLEN_8);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tivarust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name tivarust src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=a4df061443d28764 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e62f11c2a353d48b44797a8aab48876affd8beec7b060cf8def92a8de6575b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62f11c2a353d48b44797a8aab48876affd8beec7b060cf8def92a8de6575b01", kill_on_drop: false }`
[INFO] [stdout] e62f11c2a353d48b44797a8aab48876affd8beec7b060cf8def92a8de6575b01