[INFO] cloning repository https://github.com/Kreijstal/stm32test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kreijstal/stm32test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKreijstal%2Fstm32test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKreijstal%2Fstm32test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2d9b58f3c10faa1ef5c458fecaa76105221460c
[INFO] checking Kreijstal/stm32test against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKreijstal%2Fstm32test" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kreijstal/stm32test on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kreijstal/stm32test
[INFO] finished tweaking git repo https://github.com/Kreijstal/stm32test
[INFO] tweaked toml for git repo https://github.com/Kreijstal/stm32test written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kreijstal/stm32test 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaf8cedec637654d0df45f036811817925e14f95123db05a06ae1118e1038a28
[INFO] running `Command { std: "docker" "start" "-a" "aaf8cedec637654d0df45f036811817925e14f95123db05a06ae1118e1038a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf8cedec637654d0df45f036811817925e14f95123db05a06ae1118e1038a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf8cedec637654d0df45f036811817925e14f95123db05a06ae1118e1038a28", kill_on_drop: false }`
[INFO] [stdout] aaf8cedec637654d0df45f036811817925e14f95123db05a06ae1118e1038a28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf188b9cc3076402bdea18f3f574b4b0fd8316d423102c484a9f46da3170217b
[INFO] running `Command { std: "docker" "start" "-a" "cf188b9cc3076402bdea18f3f574b4b0fd8316d423102c484a9f46da3170217b", kill_on_drop: false }`
[INFO] [stderr]     Checking hellowrold 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] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / fn my_panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 23 | |         loop {}
[INFO] [stdout] 24 | | }
[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/9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d65a5ac20318153f.rlib
[INFO] [stdout]    = note: second definition in the local crate (`hellowrold`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute may not be used in combination with `#[export_name]`
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^ `#[no_mangle]` is ignored
[INFO] [stdout]   |
[INFO] [stdout] note: `#[export_name]` takes precedence
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[export_name="test"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] help: remove the `#[no_mangle]` attribute
[INFO] [stdout]   |
[INFO] [stdout] 8 - #[no_mangle]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hellowrold` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hellowrold` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cf188b9cc3076402bdea18f3f574b4b0fd8316d423102c484a9f46da3170217b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf188b9cc3076402bdea18f3f574b4b0fd8316d423102c484a9f46da3170217b", kill_on_drop: false }`
[INFO] [stdout] cf188b9cc3076402bdea18f3f574b4b0fd8316d423102c484a9f46da3170217b