[INFO] cloning repository https://github.com/cab404/stm-nix-direnv-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cab404/stm-nix-direnv-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcab404%2Fstm-nix-direnv-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcab404%2Fstm-nix-direnv-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 739c00012809fb388a6ddd47ac10781b2ec5f750
[INFO] building cab404/stm-nix-direnv-workshop against try#23647e694de8d0904848ad068b2e0ec2dd098c37+target=wasm32-wasip1 for pr-149868
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcab404%2Fstm-nix-direnv-workshop" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/cab404/stm-nix-direnv-workshop
[INFO] finished tweaking git repo https://github.com/cab404/stm-nix-direnv-workshop
[INFO] tweaked toml for git repo https://github.com/cab404/stm-nix-direnv-workshop written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cab404/stm-nix-direnv-workshop on toolchain 23647e694de8d0904848ad068b2e0ec2dd098c37
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cab404/stm-nix-direnv-workshop 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" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 741badceeb9d9fe364f1e6bd0287b16f4efab212d2b85b4cae2511b5f789a8b8
[INFO] running `Command { std: "docker" "start" "-a" "741badceeb9d9fe364f1e6bd0287b16f4efab212d2b85b4cae2511b5f789a8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "741badceeb9d9fe364f1e6bd0287b16f4efab212d2b85b4cae2511b5f789a8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741badceeb9d9fe364f1e6bd0287b16f4efab212d2b85b4cae2511b5f789a8b8", kill_on_drop: false }`
[INFO] [stdout] 741badceeb9d9fe364f1e6bd0287b16f4efab212d2b85b4cae2511b5f789a8b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] 6097d02eeb9489c54c6d9bdc23c104b94406caffa1f434a334f36efbc4b8670d
[INFO] running `Command { std: "docker" "start" "-a" "6097d02eeb9489c54c6d9bdc23c104b94406caffa1f434a334f36efbc4b8670d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling stm32f0 v0.11.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling stm32f0xx-hal v0.17.1
[INFO] [stderr]    Compiling stm32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pac`
[INFO] [stdout]   --> src/main.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 | use stm32f0xx_hal::{delay::Delay, pac, prelude::*};
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut cp = cortex_m::Peripherals::take().unwrap();
[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] error: linking with `rust-lld` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "rust-lld" "-flavor" "wasm" "--export" "main" "--export" "DefaultHandler_" "--export" "DefaultPreInit" "--export" "HardFault_" "--export" "Reset" "--export" "__EXCEPTIONS" "--export" "__INTERRUPTS" "--export" "__RESET_VECTOR" "--export" "error: cortex-m-rt appears more than once in the dependency graph" "--export" "DEVICE_PERIPHERALS" "--export" "CORE_PERIPHERALS" "-z" "stack-size=1048576" "--stack-first" "--no-demangle" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o" "<1 object files omitted>" "/opt/rustwide/target/wasm32-wasip1/debug/deps/{libstm32f0xx_hal-a39c0dc123120ae9,libcast-50e0b5ac17fad369,libstm32f0-d4af5630adf1428f,libcortex_m-c05dbe1f7fdf13f4,libcortex_m-69228b02dddc5d2f,libembedded_hal-0ca56db192d80be4,libvoid-6b3fa066fea5aaeb,libnb-6891f6c6ee1e4cdd,libnb-f0e78076aa3eab16,libvolatile_register-3db45c6360c534c4,libvcell-18ca50b8176a4901,libaligned-45be26520cd8ede6,libas_slice-da8ea7c4ec7db255,libstable_deref_trait-5e25dd7775e0b365,libgeneric_array-1b993ac8df8397b6,libgeneric_array-4058d055e49f88a9,libgeneric_array-338fd06ddc3778df,libtypenum-19a2d1fc11c79c0d,libbare_metal-2ed47aa81805c406,libcortex_m_rt-29552bcf9512b5e9,libr0-bd7eebdb4334dec2,libpanic_halt-61ee96f2a3d9bb25}.rlib" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/wasm32-wasip1/debug/build/cortex-m-rt-307da983371a0733/out" "-L" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/self-contained" "-o" "/opt/rustwide/target/wasm32-wasip1/debug/deps/stm32-38df0e09ac67797f.wasm" "--gc-sections" "-O0"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: /opt/rustwide/rustup-home/toolchains/23647e694de8d0904848ad068b2e0ec2dd098c37/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o: undefined symbol: __wasi_init_tp
[INFO] [stdout]           rust-lld: error: /opt/rustwide/rustup-home/toolchains/23647e694de8d0904848ad068b2e0ec2dd098c37/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o: undefined symbol: __main_void
[INFO] [stdout]           rust-lld: error: /opt/rustwide/rustup-home/toolchains/23647e694de8d0904848ad068b2e0ec2dd098c37/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o: undefined symbol: __wasm_call_dtors
[INFO] [stdout]           rust-lld: error: /opt/rustwide/rustup-home/toolchains/23647e694de8d0904848ad068b2e0ec2dd098c37/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o: undefined symbol: __wasi_proc_exit
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/stm32-38df0e09ac67797f.stm32.d6a125e62f926d36-cgu.0.rcgu.o: undefined symbol: __primask_r
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/stm32-38df0e09ac67797f.stm32.d6a125e62f926d36-cgu.0.rcgu.o: undefined symbol: __cpsid
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/stm32-38df0e09ac67797f.stm32.d6a125e62f926d36-cgu.0.rcgu.o: undefined symbol: __cpsie
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: __pre_init
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: __sbss
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: __ebss
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: __sdata
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: __edata
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: __sidata
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: NonMaskableInt
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: HardFaultTrampoline
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: MemoryManagement
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: BusFault
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: UsageFault
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: SVCall
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libcortex_m_rt-29552bcf9512b5e9.rlib(cortex_m_rt-29552bcf9512b5e9.cortex_m_rt.90655fbf3a5ef991-cgu.0.rcgu.o): undefined symbol: DebugMonitor
[INFO] [stdout]           rust-lld: error: too many errors emitted, stopping now (use -error-limit=0 to see all errors)
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32` (bin "stm32") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6097d02eeb9489c54c6d9bdc23c104b94406caffa1f434a334f36efbc4b8670d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6097d02eeb9489c54c6d9bdc23c104b94406caffa1f434a334f36efbc4b8670d", kill_on_drop: false }`
[INFO] [stdout] 6097d02eeb9489c54c6d9bdc23c104b94406caffa1f434a334f36efbc4b8670d