[INFO] fetching crate nvptx-panic 0.1.0...
[INFO] checking nvptx-panic-0.1.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate nvptx-panic 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate nvptx-panic 0.1.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nvptx-panic 0.1.0
[INFO] finished tweaking crates.io crate nvptx-panic 0.1.0
[INFO] tweaked toml for crates.io crate nvptx-panic 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8075044266a0e001309d428139c021b7920a2d47b2558373be1787212a9b466f
[INFO] running `Command { std: "docker" "start" "-a" "8075044266a0e001309d428139c021b7920a2d47b2558373be1787212a9b466f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8075044266a0e001309d428139c021b7920a2d47b2558373be1787212a9b466f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8075044266a0e001309d428139c021b7920a2d47b2558373be1787212a9b466f", kill_on_drop: false }`
[INFO] [stdout] 8075044266a0e001309d428139c021b7920a2d47b2558373be1787212a9b466f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eab14385e92c2ffdfb6b87fba44526ecc6c96d903d89633daab3e8a3c0d7b5df
[INFO] running `Command { std: "docker" "start" "-a" "eab14385e92c2ffdfb6b87fba44526ecc6c96d903d89633daab3e8a3c0d7b5df", kill_on_drop: false }`
[INFO] [stderr]     Checking nvptx-panic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | / extern "C" fn rust_begin_panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 6 | |     unsafe { core::intrinsics::abort() }
[INFO] [stdout] 7 | | }
[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/af4a5a13a15fa0c60e06321077ef452f769b42fd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eb900a948ffb2e3b.rlib
[INFO] [stdout]   = note: second definition in the local crate (`nvptx_panic`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `#[panic_handler]` function has wrong type
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern "C" fn rust_begin_panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected signature `for<'a, 'b> fn(&'a PanicInfo<'b>) -> _`
[INFO] [stdout]              found signature `extern "C" for<'a, 'b> fn(&'a PanicInfo<'b>) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nvptx-panic` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nvptx-panic` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "eab14385e92c2ffdfb6b87fba44526ecc6c96d903d89633daab3e8a3c0d7b5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab14385e92c2ffdfb6b87fba44526ecc6c96d903d89633daab3e8a3c0d7b5df", kill_on_drop: false }`
[INFO] [stdout] eab14385e92c2ffdfb6b87fba44526ecc6c96d903d89633daab3e8a3c0d7b5df