[INFO] cloning repository https://github.com/jhalfsharp/enterococcus-embedded
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhalfsharp/enterococcus-embedded" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhalfsharp%2Fenterococcus-embedded", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhalfsharp%2Fenterococcus-embedded'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d81af026834aab79b986eb198d1921f65f3d7062
[INFO] testing jhalfsharp/enterococcus-embedded against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhalfsharp%2Fenterococcus-embedded" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jhalfsharp/enterococcus-embedded
[INFO] finished tweaking git repo https://github.com/jhalfsharp/enterococcus-embedded
[INFO] tweaked toml for git repo https://github.com/jhalfsharp/enterococcus-embedded written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jhalfsharp/enterococcus-embedded on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jhalfsharp/enterococcus-embedded 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm32-hal2 v1.9.0
[INFO] [stderr]   Downloaded stm32f4 v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 618cae5a7abae88e0158b089f8210d6b3e72ba9233e915a2aeedbdebe3b8ef57
[INFO] running `Command { std: "docker" "start" "-a" "618cae5a7abae88e0158b089f8210d6b3e72ba9233e915a2aeedbdebe3b8ef57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "618cae5a7abae88e0158b089f8210d6b3e72ba9233e915a2aeedbdebe3b8ef57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618cae5a7abae88e0158b089f8210d6b3e72ba9233e915a2aeedbdebe3b8ef57", kill_on_drop: false }`
[INFO] [stdout] 618cae5a7abae88e0158b089f8210d6b3e72ba9233e915a2aeedbdebe3b8ef57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ac80a6dc72788cba448fa0ef85e521aef0403ac639bdde487178a3a1d77b54c1
[INFO] running `Command { std: "docker" "start" "-a" "ac80a6dc72788cba448fa0ef85e521aef0403ac639bdde487178a3a1d77b54c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling stm32f4 v0.15.1
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]    Compiling defmt v0.3.100
[INFO] [stderr]    Compiling stm32-hal2 v1.9.0
[INFO] [stderr]    Compiling enterococcus-embedded v0.1.0 (/opt/rustwide/workdir)
[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: unused variable: `spi_clk`
[INFO] [stdout]   --> src/main.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut spi_clk = Pin::new(Port::B, 10, PinMode::Alt(5));
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_spi_clk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spi_sdi`
[INFO] [stdout]   --> src/main.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut spi_sdi = Pin::new(Port::B, 15, PinMode::Alt(5));
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_spi_sdi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spi_sdo`
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut spi_sdo = Pin::new(Port::B, 14, PinMode::Alt(5));
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_spi_sdo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spi_cs`
[INFO] [stdout]   --> src/main.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut spi_cs = Pin::new(Port::B, 12, PinMode::Output);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_spi_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spi`
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let spi = Spi::new(dp.SPI2, spi_cfg, hal::spi::BaudRate::Div32);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_spi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut spi_clk = Pin::new(Port::B, 10, PinMode::Alt(5));
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut spi_sdi = Pin::new(Port::B, 15, PinMode::Alt(5));
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut spi_sdo = Pin::new(Port::B, 14, PinMode::Alt(5));
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut spi_cs = Pin::new(Port::B, 12, PinMode::Output);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enterococcus-embedded` (bin "enterococcus-embedded") due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ac80a6dc72788cba448fa0ef85e521aef0403ac639bdde487178a3a1d77b54c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac80a6dc72788cba448fa0ef85e521aef0403ac639bdde487178a3a1d77b54c1", kill_on_drop: false }`
[INFO] [stdout] ac80a6dc72788cba448fa0ef85e521aef0403ac639bdde487178a3a1d77b54c1