[INFO] fetching crate rp2040-panic-usb-boot 0.1.2...
[INFO] checking rp2040-panic-usb-boot-0.1.2 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate rp2040-panic-usb-boot 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rp2040-panic-usb-boot 0.1.2 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c23a88b683a2f961754d501e566820d92b2b09aa11dd13648e864313a18a90b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c23a88b683a2f961754d501e566820d92b2b09aa11dd13648e864313a18a90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c23a88b683a2f961754d501e566820d92b2b09aa11dd13648e864313a18a90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c23a88b683a2f961754d501e566820d92b2b09aa11dd13648e864313a18a90b", kill_on_drop: false }`
[INFO] [stdout] 4c23a88b683a2f961754d501e566820d92b2b09aa11dd13648e864313a18a90b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceda2ad1ae629d04ed0098f43bedaa6e215047ee1a135c77423a9295349920e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ceda2ad1ae629d04ed0098f43bedaa6e215047ee1a135c77423a9295349920e5", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rp2040 v0.1.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking cortex-m v0.7.2
[INFO] [stderr]     Checking bare-io v0.2.1
[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/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e3026a7ea720d3a3.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rp2040_panic_usb_boot`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `rp2040-panic-usb-boot`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ceda2ad1ae629d04ed0098f43bedaa6e215047ee1a135c77423a9295349920e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceda2ad1ae629d04ed0098f43bedaa6e215047ee1a135c77423a9295349920e5", kill_on_drop: false }`
[INFO] [stdout] ceda2ad1ae629d04ed0098f43bedaa6e215047ee1a135c77423a9295349920e5