[INFO] cloning repository https://github.com/killpop3770/rust_embedded_project_template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killpop3770/rust_embedded_project_template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillpop3770%2Frust_embedded_project_template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillpop3770%2Frust_embedded_project_template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d772d8559afa069b539a355b829da079a6376bc5
[INFO] testing killpop3770/rust_embedded_project_template against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillpop3770%2Frust_embedded_project_template" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/killpop3770/rust_embedded_project_template
[INFO] finished tweaking git repo https://github.com/killpop3770/rust_embedded_project_template
[INFO] tweaked toml for git repo https://github.com/killpop3770/rust_embedded_project_template written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/killpop3770/rust_embedded_project_template on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/killpop3770/rust_embedded_project_template 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 860867a7d30dae9e856f10b6f625fdfc36fc5838d12a8ab60987694fdee34866
[INFO] running `Command { std: "docker" "start" "-a" "860867a7d30dae9e856f10b6f625fdfc36fc5838d12a8ab60987694fdee34866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "860867a7d30dae9e856f10b6f625fdfc36fc5838d12a8ab60987694fdee34866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860867a7d30dae9e856f10b6f625fdfc36fc5838d12a8ab60987694fdee34866", kill_on_drop: false }`
[INFO] [stdout] 860867a7d30dae9e856f10b6f625fdfc36fc5838d12a8ab60987694fdee34866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20689806a0dc2c62db817be13d8d0a278b07995ad825094ef669cf4788e1d9e9
[INFO] running `Command { std: "docker" "start" "-a" "20689806a0dc2c62db817be13d8d0a278b07995ad825094ef669cf4788e1d9e9", 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 nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling stm32-usbd v0.6.0
[INFO] [stderr]    Compiling stm32f1 v0.15.1
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling defmt-rtt v1.0.0
[INFO] [stderr]    Compiling usb-device v0.2.9
[INFO] [stderr]    Compiling panic-probe v1.0.0
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling fugit v0.3.7
[INFO] [stderr]    Compiling bxcan v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling panic-halt v1.0.0
[INFO] [stderr]    Compiling fugit-timer v0.1.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.40
[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 stm32f1xx-hal v0.10.0
[INFO] [stderr]    Compiling rust_embedded_project_template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut delay = cp.SYST.delay(&clocks);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delay`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut delay = cp.SYST.delay(&clocks);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delay`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i2c`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let i2c = BlockingI2c::i2c1(
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_i2c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcNBzRtq/symbols.o" "<1 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libstm32f1xx_hal-af010f6e915dc238,libfugit_timer-babeea2c176667d1,libbxcan-e747b46013a50e9a,libstm32_usbd-06efb2cd4f229d17,libusb_device-49c97225acf38426,libfugit-0e0ea7993006a60a,libgcd-f4d0ab6906eaaca3,libembedded_dma-49df0da8b9f0cfa5,libstable_deref_trait-46ec47637036214b,libstm32f1-7c9809ad20f0e8da,libcortex_m-2ed13d3cd6fac827,libvolatile_register-95c00d285bbc7594,libvcell-0179ea6b04ac6cab,libbare_metal-84e3ed22c99e4f5b,libembedded_hal-9c677e97291dc243,libvoid-ec4fffbe9281dfbc,libnb-82dfa250fc527d63,libnb-99232a56b0ec9a01,libpanic_halt-3867863816dc3ad2,libdefmt_rtt-5ae3c8544b5bea42,libcritical_section-66c0394c28774748,libdefmt-b772479c98e09130,libbitflags-316916c19a5ebebd,libcortex_m_rt-60c9591dc181b6d0}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcNBzRtq/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-a997fcd97ebf88bd/out" "-L" "/opt/rustwide/target/debug/build/defmt-25c1f8b62520c88a/out" "-L" "/opt/rustwide/target/debug/build/stm32f1-895e647d79854715/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_embedded_project_template-5bc7616e6ae8cd41" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: __libc_start_main
[INFO] [stdout]           >>> referenced by /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __primask_r
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rust_embedded_project_template-5bc7616e6ae8cd41.rust_embedded_project_template.3751ffa268ec12e7-cgu.0.rcgu.o:(rust_embedded_project_template::__cortex_m_rt_main::h236dc870a675f64d)
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rust_embedded_project_template-5bc7616e6ae8cd41.rust_embedded_project_template.3751ffa268ec12e7-cgu.0.rcgu.o:(rust_embedded_project_template::__cortex_m_rt_main::h236dc870a675f64d)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __cpsid
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rust_embedded_project_template-5bc7616e6ae8cd41.rust_embedded_project_template.3751ffa268ec12e7-cgu.0.rcgu.o:(rust_embedded_project_template::__cortex_m_rt_main::h236dc870a675f64d)
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rust_embedded_project_template-5bc7616e6ae8cd41.rust_embedded_project_template.3751ffa268ec12e7-cgu.0.rcgu.o:(rust_embedded_project_template::__cortex_m_rt_main::h236dc870a675f64d)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __cpsie
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rust_embedded_project_template-5bc7616e6ae8cd41.rust_embedded_project_template.3751ffa268ec12e7-cgu.0.rcgu.o:(rust_embedded_project_template::__cortex_m_rt_main::h236dc870a675f64d)
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rust_embedded_project_template-5bc7616e6ae8cd41.rust_embedded_project_template.3751ffa268ec12e7-cgu.0.rcgu.o:(rust_embedded_project_template::__cortex_m_rt_main::h236dc870a675f64d)
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/rust_embedded_project_template-5bc7616e6ae8cd41.rust_embedded_project_template.3751ffa268ec12e7-cgu.0.rcgu.o:(rust_embedded_project_template::__cortex_m_rt_main::h236dc870a675f64d)
[INFO] [stdout]           >>> referenced 1 more times
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: rust_eh_personality
[INFO] [stdout]           >>> referenced by core.6771d259883166e6-cgu.0
[INFO] [stdout]           >>>               core-bba39127454076fb.core.6771d259883166e6-cgu.0.rcgu.o:(DW.ref.rust_eh_personality) in archive /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-bba39127454076fb.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_embedded_project_template` (bin "rust_embedded_project_template") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "20689806a0dc2c62db817be13d8d0a278b07995ad825094ef669cf4788e1d9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20689806a0dc2c62db817be13d8d0a278b07995ad825094ef669cf4788e1d9e9", kill_on_drop: false }`
[INFO] [stdout] 20689806a0dc2c62db817be13d8d0a278b07995ad825094ef669cf4788e1d9e9
