[INFO] fetching crate rp2040-panic-usb-boot 0.1.2...
[INFO] checking rp2040-panic-usb-boot-0.1.2 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate rp2040-panic-usb-boot 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rp2040-panic-usb-boot 0.1.2 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rp2040-panic-usb-boot 0.1.2
[INFO] finished tweaking crates.io crate rp2040-panic-usb-boot 0.1.2
[INFO] tweaked toml for crates.io crate rp2040-panic-usb-boot 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bare-io v0.2.1
[INFO] [stderr]   Downloaded rp2040 v0.1.0
[INFO] [stderr]   Downloaded rp-hal v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 417982820a287b452d439b6f937d02be36b2b1683a56369148ae5be3ed68ab04
[INFO] running `Command { std: "docker" "start" "-a" "417982820a287b452d439b6f937d02be36b2b1683a56369148ae5be3ed68ab04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "417982820a287b452d439b6f937d02be36b2b1683a56369148ae5be3ed68ab04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417982820a287b452d439b6f937d02be36b2b1683a56369148ae5be3ed68ab04", kill_on_drop: false }`
[INFO] [stdout] 417982820a287b452d439b6f937d02be36b2b1683a56369148ae5be3ed68ab04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7060ddf7369eb868c9988587806f15ecaae4d41ec9eec95da80520e53a052154
[INFO] running `Command { std: "docker" "start" "-a" "7060ddf7369eb868c9988587806f15ecaae4d41ec9eec95da80520e53a052154", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling rp2040 v0.1.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking bare-io v0.2.1
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking rp-hal v0.0.2
[INFO] [stderr]     Checking rp2040-panic-usb-boot v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn panic(info: &PanicInfo) -> ! {
[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/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1a95cddb5b8aaf6b.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rp2040_panic_usb_boot`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rp2040-panic-usb-boot` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7060ddf7369eb868c9988587806f15ecaae4d41ec9eec95da80520e53a052154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7060ddf7369eb868c9988587806f15ecaae4d41ec9eec95da80520e53a052154", kill_on_drop: false }`
[INFO] [stdout] 7060ddf7369eb868c9988587806f15ecaae4d41ec9eec95da80520e53a052154