[INFO] cloning repository https://github.com/jbvalle/embedded_rust_blinky_stm32f401re_bare_metal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbvalle/embedded_rust_blinky_stm32f401re_bare_metal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbvalle%2Fembedded_rust_blinky_stm32f401re_bare_metal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbvalle%2Fembedded_rust_blinky_stm32f401re_bare_metal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1220f97a798e93e7f0e92d9a2389e2b7d114abc9
[INFO] checking jbvalle/embedded_rust_blinky_stm32f401re_bare_metal against try#349c4bfa6ac87b818f6fd19d4869c0b24790ac6a for pr-152856
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbvalle%2Fembedded_rust_blinky_stm32f401re_bare_metal" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jbvalle/embedded_rust_blinky_stm32f401re_bare_metal
[INFO] finished tweaking git repo https://github.com/jbvalle/embedded_rust_blinky_stm32f401re_bare_metal
[INFO] tweaked toml for git repo https://github.com/jbvalle/embedded_rust_blinky_stm32f401re_bare_metal written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jbvalle/embedded_rust_blinky_stm32f401re_bare_metal on toolchain 349c4bfa6ac87b818f6fd19d4869c0b24790ac6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jbvalle/embedded_rust_blinky_stm32f401re_bare_metal 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" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 705a1ca0826365d608569a72f158988c6cf592bb72da932346de0c98218930de
[INFO] running `Command { std: "docker" "start" "-a" "705a1ca0826365d608569a72f158988c6cf592bb72da932346de0c98218930de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705a1ca0826365d608569a72f158988c6cf592bb72da932346de0c98218930de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705a1ca0826365d608569a72f158988c6cf592bb72da932346de0c98218930de", kill_on_drop: false }`
[INFO] [stdout] 705a1ca0826365d608569a72f158988c6cf592bb72da932346de0c98218930de
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3668a3eac95859569c37d564028dba2c551de12de88db2ad4ba1dfa2d2ae8c34
[INFO] running `Command { std: "docker" "start" "-a" "3668a3eac95859569c37d564028dba2c551de12de88db2ad4ba1dfa2d2ae8c34", kill_on_drop: false }`
[INFO] [stderr]     Checking stm32 v0.1.0 (/opt/rustwide/workdir/stm32)
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> app/src/isr_handlers.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / pub fn default_handler(_panic: &PanicInfo<'_>) -> ! {
[INFO] [stdout] 7 | |
[INFO] [stdout] 8 | |     loop{}
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]   = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/349c4bfa6ac87b818f6fd19d4869c0b24790ac6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-957b1fe07cf96b13.rmeta
[INFO] [stdout]   = note: second definition in the local crate (`app`)
[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] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] error: `#[no_mangle]` cannot be used on internal language items
[INFO] [stdout]  --> app/src/isr_handlers.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 5 | #[panic_handler]
[INFO] [stdout] 6 | pub fn default_handler(_panic: &PanicInfo<'_>) -> ! {
[INFO] [stdout]   | --------------------------------------------------- should be the internal language item
[INFO] [stdout]   |
[INFO] [stdout]   = note: Rustc requires this item to have a specific mangled name.
[INFO] [stdout]   = note: If you are trying to prevent mangling to ease debugging, many
[INFO] [stdout]   = note: debuggers support a command such as `rbreak rust_begin_unwind` to
[INFO] [stdout]   = note: match `.*rust_begin_unwind.*` instead of `break rust_begin_unwind` on a specific name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `app` (bin "app" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `app` (bin "app") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3668a3eac95859569c37d564028dba2c551de12de88db2ad4ba1dfa2d2ae8c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3668a3eac95859569c37d564028dba2c551de12de88db2ad4ba1dfa2d2ae8c34", kill_on_drop: false }`
[INFO] [stdout] 3668a3eac95859569c37d564028dba2c551de12de88db2ad4ba1dfa2d2ae8c34