[INFO] cloning repository https://github.com/lutzer/midi_clock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lutzer/midi_clock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flutzer%2Fmidi_clock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flutzer%2Fmidi_clock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5fed2cbc4e65bf0e272519b7ee2ba8a511519b3
[INFO] testing lutzer/midi_clock against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flutzer%2Fmidi_clock" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/lutzer/midi_clock
[INFO] finished tweaking git repo https://github.com/lutzer/midi_clock
[INFO] tweaked toml for git repo https://github.com/lutzer/midi_clock written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lutzer/midi_clock on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lutzer/midi_clock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.15
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.6.15
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded alloc-cortex-m v0.4.1
[INFO] [stderr]   Downloaded display-interface-spi v0.4.1
[INFO] [stderr]   Downloaded numtoa v0.2.4
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.8.11
[INFO] [stderr]   Downloaded display-interface v0.4.1
[INFO] [stderr]   Downloaded az v1.1.2
[INFO] [stderr]   Downloaded heapless v0.7.3
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.6.1
[INFO] [stderr]   Downloaded st7789 v0.6.1
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.5
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.2
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded stm32f1 v0.11.0
[INFO] [stderr]   Downloaded hd44780-driver v0.4.0
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1670dcbb2b54dbdebe3dfa46a8a88a876d385256ea67e531fcbb169e90cc1f91
[INFO] running `Command { std: "docker" "start" "-a" "1670dcbb2b54dbdebe3dfa46a8a88a876d385256ea67e531fcbb169e90cc1f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1670dcbb2b54dbdebe3dfa46a8a88a876d385256ea67e531fcbb169e90cc1f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1670dcbb2b54dbdebe3dfa46a8a88a876d385256ea67e531fcbb169e90cc1f91", kill_on_drop: false }`
[INFO] [stdout] 1670dcbb2b54dbdebe3dfa46a8a88a876d385256ea67e531fcbb169e90cc1f91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bddc3db8967f9aaab39b6b6272d79d758b236c8604130743a395d3d7e67e3539
[INFO] running `Command { std: "docker" "start" "-a" "bddc3db8967f9aaab39b6b6272d79d758b236c8604130743a395d3d7e67e3539", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling stm32f1 v0.11.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling display-interface v0.4.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling micromath v1.1.1
[INFO] [stderr]    Compiling linked_list_allocator v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling alloc-cortex-m v0.4.1
[INFO] [stderr]    Compiling display-interface-spi v0.4.1
[INFO] [stderr]    Compiling hd44780-driver v0.4.0
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling numtoa v0.2.4
[INFO] [stderr]    Compiling embedded-graphics-core v0.3.3
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling st7789 v0.6.1
[INFO] [stderr]    Compiling embedded-graphics v0.7.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling stm32f1xx-hal v0.6.1
[INFO] [stderr]    Compiling midi_clock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CriticalSection`
[INFO] [stdout]  --> src/main.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cortex_m::interrupt::{CriticalSection};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InputPin`
[INFO] [stdout]   --> src/peripherals.rs:20:44
[INFO] [stdout]    |
[INFO] [stdout] 20 | use embedded_hal::digital::v2::{OutputPin, InputPin};
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::peripherals::*`
[INFO] [stdout]  --> src/buttons.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::peripherals::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RunState`
[INFO] [stdout]  --> src/midi.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::statemachine::{RunState};
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cortex_m::interrupt`
[INFO] [stdout]  --> src/midi.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cortex_m::interrupt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/midi.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::context::{Context};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TRIGGER4_MASK`
[INFO] [stdout]  --> src/midi.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::triggers::{TRIGGER4_MASK};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClockSource` and `RunState`
[INFO] [stdout]  --> src/memory.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::statemachine::{State, ClockSource, RunState, DEFAULT_STATE};
[INFO] [stdout]   |                                  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::panic::PanicInfo::<'a>::payload`: this never returns anything useful
[INFO] [stdout]    --> src/main.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |   if let Some(s) = info.payload().downcast_ref::<&str>() {
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gpioc`
[INFO] [stdout]   --> src/peripherals.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut gpioc = dp.GPIOC.split(&mut apb2);
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_gpioc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/peripherals.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut gpioc = dp.GPIOC.split(&mut apb2);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uart`
[INFO] [stdout]   --> src/serial.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn read(&mut self, uart: u8) -> Result<u8,SerialError> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_uart`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/serial.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     return b.map_err(|e| SerialError::ReadError);
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:197:15
[INFO] [stdout]     |
[INFO] [stdout] 197 |   if let Some(s) = info.payload().downcast_ref::<&str>() {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `midi_clock` (bin "midi_clock") due to 1 previous error; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bddc3db8967f9aaab39b6b6272d79d758b236c8604130743a395d3d7e67e3539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bddc3db8967f9aaab39b6b6272d79d758b236c8604130743a395d3d7e67e3539", kill_on_drop: false }`
[INFO] [stdout] bddc3db8967f9aaab39b6b6272d79d758b236c8604130743a395d3d7e67e3539