[INFO] fetching crate rp2040-panic-usb-boot 0.1.2...
[INFO] testing rp2040-panic-usb-boot-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rp2040-panic-usb-boot 0.1.2 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate rp2040-panic-usb-boot 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-118/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bare-io v0.2.1
[INFO] [stderr]   Downloaded rp-hal v0.0.2
[INFO] [stderr]   Downloaded rp2040 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaa86ec23b0795e8a2dbc8313ebde79639138587f9d9b3bf9ed31fadcadf0ae2
[INFO] running `Command { std: "docker" "start" "-a" "eaa86ec23b0795e8a2dbc8313ebde79639138587f9d9b3bf9ed31fadcadf0ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaa86ec23b0795e8a2dbc8313ebde79639138587f9d9b3bf9ed31fadcadf0ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa86ec23b0795e8a2dbc8313ebde79639138587f9d9b3bf9ed31fadcadf0ae2", kill_on_drop: false }`
[INFO] [stdout] eaa86ec23b0795e8a2dbc8313ebde79639138587f9d9b3bf9ed31fadcadf0ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ed5daa3a6dfc5e779e11a9f9d42f30a028c44b4a7b65428f52ce2d3c53dde98
[INFO] running `Command { std: "docker" "start" "-a" "9ed5daa3a6dfc5e779e11a9f9d42f30a028c44b4a7b65428f52ce2d3c53dde98", 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] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rp2040 v0.1.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-io v0.2.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rp-hal v0.0.2
[INFO] [stderr]    Compiling rp2040-panic-usb-boot v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.96s
[INFO] running `Command { std: "docker" "inspect" "9ed5daa3a6dfc5e779e11a9f9d42f30a028c44b4a7b65428f52ce2d3c53dde98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed5daa3a6dfc5e779e11a9f9d42f30a028c44b4a7b65428f52ce2d3c53dde98", kill_on_drop: false }`
[INFO] [stdout] 9ed5daa3a6dfc5e779e11a9f9d42f30a028c44b4a7b65428f52ce2d3c53dde98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a1404947adbd02307d75c1229e3fd5d059b3d9d70180642603b9c67b1dac23
[INFO] running `Command { std: "docker" "start" "-a" "51a1404947adbd02307d75c1229e3fd5d059b3d9d70180642603b9c67b1dac23", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.so, /opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "51a1404947adbd02307d75c1229e3fd5d059b3d9d70180642603b9c67b1dac23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a1404947adbd02307d75c1229e3fd5d059b3d9d70180642603b9c67b1dac23", kill_on_drop: false }`
[INFO] [stdout] 51a1404947adbd02307d75c1229e3fd5d059b3d9d70180642603b9c67b1dac23