[INFO] cloning repository https://github.com/RaulIQ/cortex-m-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RaulIQ/cortex-m-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaulIQ%2Fcortex-m-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaulIQ%2Fcortex-m-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 848e9cedac9696513ab7bf4a317ead4fbf9540a0
[INFO] checking RaulIQ/cortex-m-rust/848e9cedac9696513ab7bf4a317ead4fbf9540a0 against master#64b72a1fa5449d928d5f553b01a596b78ee255d2 for pr-153457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaulIQ%2Fcortex-m-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/RaulIQ/cortex-m-rust
[INFO] finished tweaking git repo https://github.com/RaulIQ/cortex-m-rust
[INFO] tweaked toml for git repo https://github.com/RaulIQ/cortex-m-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RaulIQ/cortex-m-rust on toolchain 64b72a1fa5449d928d5f553b01a596b78ee255d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b72a1fa5449d928d5f553b01a596b78ee255d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RaulIQ/cortex-m-rust 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" "+64b72a1fa5449d928d5f553b01a596b78ee255d2" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+64b72a1fa5449d928d5f553b01a596b78ee255d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4376103089604a2a5c007e11d86ee2689e1e8e2a81d4381ac47bf6c77cfbfc9
[INFO] running `Command { std: "docker" "start" "-a" "c4376103089604a2a5c007e11d86ee2689e1e8e2a81d4381ac47bf6c77cfbfc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4376103089604a2a5c007e11d86ee2689e1e8e2a81d4381ac47bf6c77cfbfc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4376103089604a2a5c007e11d86ee2689e1e8e2a81d4381ac47bf6c77cfbfc9", kill_on_drop: false }`
[INFO] [stdout] c4376103089604a2a5c007e11d86ee2689e1e8e2a81d4381ac47bf6c77cfbfc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+64b72a1fa5449d928d5f553b01a596b78ee255d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0f1b83af5e625d8672264d77a969e2d3a73b65594154cb41426a188d3e1722
[INFO] running `Command { std: "docker" "start" "-a" "bc0f1b83af5e625d8672264d77a969e2d3a73b65594154cb41426a188d3e1722", kill_on_drop: false }`
[INFO] [stderr]     Checking app 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/main.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | / fn panic(_panic: &PanicInfo<'_>) -> ! {
[INFO] [stdout] 55 | |     loop {}
[INFO] [stdout] 56 | | }
[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/64b72a1fa5449d928d5f553b01a596b78ee255d2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eaa78b24106cd0ea.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`app`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `app` (bin "app") 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" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bc0f1b83af5e625d8672264d77a969e2d3a73b65594154cb41426a188d3e1722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0f1b83af5e625d8672264d77a969e2d3a73b65594154cb41426a188d3e1722", kill_on_drop: false }`
[INFO] [stdout] bc0f1b83af5e625d8672264d77a969e2d3a73b65594154cb41426a188d3e1722