[INFO] cloning repository https://github.com/f0x52/stm32_esp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/f0x52/stm32_esp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff0x52%2Fstm32_esp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff0x52%2Fstm32_esp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 845974d013f1cd9f970abcdca8533fe3130c36f3
[INFO] checking f0x52/stm32_esp against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff0x52%2Fstm32_esp" "/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/f0x52/stm32_esp on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/f0x52/stm32_esp
[INFO] finished tweaking git repo https://github.com/f0x52/stm32_esp
[INFO] tweaked toml for git repo https://github.com/f0x52/stm32_esp written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/f0x52/stm32_esp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/smart-leds-rs/apa102-spi-rs`
[INFO] [stderr]     Updating git repository `https://github.com/smart-leds-rs/smart-leds`
[INFO] [stderr]     Updating git repository `https://github.com/smart-leds-rs/ws2812-spi-rs`
[INFO] [stderr]     Updating git repository `https://github.com/smart-leds-rs/ws2812-timer-delay-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.7
[INFO] [stderr]   Downloaded nb v0.1.1
[INFO] [stderr]   Downloaded stm32f1 v0.6.0
[INFO] [stderr]   Downloaded smart-leds-trait v0.1.0
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82cb99fb27aac5c53e9225f3300d406c0a86becbcbd7ec09208bcc5bfc047829
[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" "82cb99fb27aac5c53e9225f3300d406c0a86becbcbd7ec09208bcc5bfc047829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82cb99fb27aac5c53e9225f3300d406c0a86becbcbd7ec09208bcc5bfc047829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82cb99fb27aac5c53e9225f3300d406c0a86becbcbd7ec09208bcc5bfc047829", kill_on_drop: false }`
[INFO] [stdout] 82cb99fb27aac5c53e9225f3300d406c0a86becbcbd7ec09208bcc5bfc047829
[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" "RUSTFLAGS=--cap-lints=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9ccbcc889053ec804ea5d9305bb4c35cee67f791f161e912107097e2bb7d56
[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" "3a9ccbcc889053ec804ea5d9305bb4c35cee67f791f161e912107097e2bb7d56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.7
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]     Checking smart-leds-trait v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling stm32f1 v0.6.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking smart-leds v0.1.0 (https://github.com/smart-leds-rs/smart-leds#e836e0d6)
[INFO] [stderr]     Checking embedded-hal v0.2.2
[INFO] [stderr]     Checking ws2812-spi v0.1.0 (https://github.com/smart-leds-rs/ws2812-spi-rs#ecee6261)
[INFO] [stderr]     Checking ws2812-timer-delay v0.1.0 (https://github.com/smart-leds-rs/ws2812-timer-delay-rs#694ceab8)
[INFO] [stderr]     Checking apa102-spi v0.1.0 (https://github.com/smart-leds-rs/apa102-spi-rs#2620dcb6)
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]     Checking stm32f1xx-hal v0.2.1 (/opt/rustwide/workdir/stm32f1xx-hal)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/rcc.rs:179:18
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 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]    --> stm32f1xx-hal/src/rcc.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 6...11 => 0b1010,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/rcc.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 12...39 => 0b1011,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/rcc.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 40...95 => 0b1100,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/rcc.rs:183:19
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 96...191 => 0b1101,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/rcc.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 192...383 => 0b1110,
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/rcc.rs:199:18
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 3...5 => 0b101,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/rcc.rs:200:18
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 6...11 => 0b110,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/rcc.rs:216:18
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 3...5 => 0b101,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/rcc.rs:217:18
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 6...11 => 0b110,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/spi.rs:126:26
[INFO] [stdout]     |
[INFO] [stdout] 126 |                           1...2 => 0b000,
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] ...
[INFO] [stdout] 226 | / hal! {
[INFO] [stdout] 227 | |     SPI1: (_spi1, spi1en, spi1rst, APB2),
[INFO] [stdout] 228 | |     SPI2: (_spi2, spi2en, spi2rst, APB1),
[INFO] [stdout] 229 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/spi.rs:127:26
[INFO] [stdout]     |
[INFO] [stdout] 127 |                           3...5 => 0b001,
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] ...
[INFO] [stdout] 226 | / hal! {
[INFO] [stdout] 227 | |     SPI1: (_spi1, spi1en, spi1rst, APB2),
[INFO] [stdout] 228 | |     SPI2: (_spi2, spi2en, spi2rst, APB1),
[INFO] [stdout] 229 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/spi.rs:128:26
[INFO] [stdout]     |
[INFO] [stdout] 128 |                           6...11 => 0b010,
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] ...
[INFO] [stdout] 226 | / hal! {
[INFO] [stdout] 227 | |     SPI1: (_spi1, spi1en, spi1rst, APB2),
[INFO] [stdout] 228 | |     SPI2: (_spi2, spi2en, spi2rst, APB1),
[INFO] [stdout] 229 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/spi.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |                           12...23 => 0b011,
[INFO] [stdout]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] ...
[INFO] [stdout] 226 | / hal! {
[INFO] [stdout] 227 | |     SPI1: (_spi1, spi1en, spi1rst, APB2),
[INFO] [stdout] 228 | |     SPI2: (_spi2, spi2en, spi2rst, APB1),
[INFO] [stdout] 229 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/spi.rs:130:27
[INFO] [stdout]     |
[INFO] [stdout] 130 |                           24...47 => 0b100,
[INFO] [stdout]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] ...
[INFO] [stdout] 226 | / hal! {
[INFO] [stdout] 227 | |     SPI1: (_spi1, spi1en, spi1rst, APB2),
[INFO] [stdout] 228 | |     SPI2: (_spi2, spi2en, spi2rst, APB1),
[INFO] [stdout] 229 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/spi.rs:131:27
[INFO] [stdout]     |
[INFO] [stdout] 131 |                           48...95 => 0b101,
[INFO] [stdout]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] ...
[INFO] [stdout] 226 | / hal! {
[INFO] [stdout] 227 | |     SPI1: (_spi1, spi1en, spi1rst, APB2),
[INFO] [stdout] 228 | |     SPI2: (_spi2, spi2en, spi2rst, APB1),
[INFO] [stdout] 229 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> stm32f1xx-hal/src/spi.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |                           96...191 => 0b110,
[INFO] [stdout]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] ...
[INFO] [stdout] 226 | / hal! {
[INFO] [stdout] 227 | |     SPI1: (_spi1, spi1en, spi1rst, APB2),
[INFO] [stdout] 228 | |     SPI2: (_spi2, spi2en, spi2rst, APB1),
[INFO] [stdout] 229 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> stm32f1xx-hal/src/pwm.rs:233:26
[INFO] [stdout]     |
[INFO] [stdout] 233 |                   unsafe { mem::uninitialized() }
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 | / hal! {
[INFO] [stdout] 336 | |     TIM2: (tim2, tim2en, tim2rst),
[INFO] [stdout] 337 | |     TIM3: (tim3, tim3en, tim3rst),
[INFO] [stdout] 338 | |     TIM4: (tim4, tim4en, tim4rst),
[INFO] [stdout] 339 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> stm32f1xx-hal/src/pwm.rs:233:26
[INFO] [stdout]     |
[INFO] [stdout] 233 |                   unsafe { mem::uninitialized() }
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 | / hal! {
[INFO] [stdout] 336 | |     TIM2: (tim2, tim2en, tim2rst),
[INFO] [stdout] 337 | |     TIM3: (tim3, tim3en, tim3rst),
[INFO] [stdout] 338 | |     TIM4: (tim4, tim4en, tim4rst),
[INFO] [stdout] 339 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> stm32f1xx-hal/src/pwm_input.rs:269:22
[INFO] [stdout]     |
[INFO] [stdout] 269 |               unsafe { mem::uninitialized() }
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 337 | / hal! {
[INFO] [stdout] 338 | |    TIM2: (tim2, tim2en, tim2rst, dbg_tim2_stop),
[INFO] [stdout] 339 | |    TIM3: (tim3, tim3en, tim3rst, dbg_tim3_stop),
[INFO] [stdout] 340 | |    TIM4: (tim4, tim4en, tim4rst, dbg_tim4_stop),
[INFO] [stdout] 341 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::serial::Read`
[INFO] [stdout]   --> stm32f1xx-hal/src/serial.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use embedded_hal::serial::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> stm32f1xx-hal/src/serial.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | / hal! {
[INFO] [stdout] 339 | |     /// # USART1 functions
[INFO] [stdout] 340 | |     USART1: (
[INFO] [stdout] 341 | |         usart1,
[INFO] [stdout] ...   |
[INFO] [stdout] 371 | |     ),
[INFO] [stdout] 372 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> stm32f1xx-hal/src/serial.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | / hal! {
[INFO] [stdout] 339 | |     /// # USART1 functions
[INFO] [stdout] 340 | |     USART1: (
[INFO] [stdout] 341 | |         usart1,
[INFO] [stdout] ...   |
[INFO] [stdout] 371 | |     ),
[INFO] [stdout] 372 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> stm32f1xx-hal/src/serial.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | / hal! {
[INFO] [stdout] 339 | |     /// # USART1 functions
[INFO] [stdout] 340 | |     USART1: (
[INFO] [stdout] 341 | |         usart1,
[INFO] [stdout] ...   |
[INFO] [stdout] 371 | |     ),
[INFO] [stdout] 372 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking stm32_esp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::hal::serial::Tx`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::hal::serial::Tx;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use core::fmt;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |             if (received == b'O') {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         loop {
[INFO] [stdout] 77 | |             let mut received = [0;2];
[INFO] [stdout] 78 | |             rx = read(rx, &mut received).unwrap();
[INFO] [stdout] 79 | |             unsafe {
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |             }
[INFO] [stdout] 89 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 90 | 
[INFO] [stdout] 91 | /         loop {
[INFO] [stdout] 92 | |             let received = block!(rx.read()).unwrap();
[INFO] [stdout] 93 | |             if (received == b'O') {
[INFO] [stdout] 94 | |                 for i in 0..NUM_LEDS {
[INFO] [stdout] ...  |
[INFO] [stdout] 98 | |             }
[INFO] [stdout] 99 | |         }
[INFO] [stdout]    | |_________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32_esp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `crate::hal::serial::Tx`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::hal::serial::Tx;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use core::fmt;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |             if (received == b'O') {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_halt` (which `stm32_esp` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-736d556224107bc3.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e3026a7ea720d3a3.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         loop {
[INFO] [stdout] 77 | |             let mut received = [0;2];
[INFO] [stdout] 78 | |             rx = read(rx, &mut received).unwrap();
[INFO] [stdout] 79 | |             unsafe {
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |             }
[INFO] [stdout] 89 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 90 | 
[INFO] [stdout] 91 | /         loop {
[INFO] [stdout] 92 | |             let received = block!(rx.read()).unwrap();
[INFO] [stdout] 93 | |             if (received == b'O') {
[INFO] [stdout] 94 | |                 for i in 0..NUM_LEDS {
[INFO] [stdout] ...  |
[INFO] [stdout] 98 | |             }
[INFO] [stdout] 99 | |         }
[INFO] [stdout]    | |_________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a9ccbcc889053ec804ea5d9305bb4c35cee67f791f161e912107097e2bb7d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9ccbcc889053ec804ea5d9305bb4c35cee67f791f161e912107097e2bb7d56", kill_on_drop: false }`
[INFO] [stdout] 3a9ccbcc889053ec804ea5d9305bb4c35cee67f791f161e912107097e2bb7d56