[INFO] fetching crate panic-usb-boot 0.2.0...
[INFO] testing panic-usb-boot-0.2.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate panic-usb-boot 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate panic-usb-boot 0.2.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic-usb-boot 0.2.0
[INFO] finished tweaking crates.io crate panic-usb-boot 0.2.0
[INFO] tweaked toml for crates.io crate panic-usb-boot 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rp2040-hal v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c443cc0a3827186801d2d5d01da66bed485d0e2644f68cb547fc42b9f96f8478
[INFO] running `Command { std: "docker" "start" "-a" "c443cc0a3827186801d2d5d01da66bed485d0e2644f68cb547fc42b9f96f8478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c443cc0a3827186801d2d5d01da66bed485d0e2644f68cb547fc42b9f96f8478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c443cc0a3827186801d2d5d01da66bed485d0e2644f68cb547fc42b9f96f8478", kill_on_drop: false }`
[INFO] [stdout] c443cc0a3827186801d2d5d01da66bed485d0e2644f68cb547fc42b9f96f8478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b4a185726c450051add1cae34f4daebf065cbd734d11e7b797ccbb1282fccc1
[INFO] running `Command { std: "docker" "start" "-a" "7b4a185726c450051add1cae34f4daebf065cbd734d11e7b797ccbb1282fccc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling frunk_core v0.4.2
[INFO] [stderr]    Compiling rp2040-pac v0.5.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling critical-section v1.1.2
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling usb-device v0.2.9
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling fugit v0.3.7
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.2
[INFO] [stderr]    Compiling frunk_derives v0.4.2
[INFO] [stderr]    Compiling frunk v0.4.2
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling pio v0.2.1
[INFO] [stderr]    Compiling rp2040-hal v0.9.1
[INFO] [stderr]    Compiling panic-usb-boot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "7b4a185726c450051add1cae34f4daebf065cbd734d11e7b797ccbb1282fccc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4a185726c450051add1cae34f4daebf065cbd734d11e7b797ccbb1282fccc1", kill_on_drop: false }`
[INFO] [stdout] 7b4a185726c450051add1cae34f4daebf065cbd734d11e7b797ccbb1282fccc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 002fe1fc8201092ebfee754a5371faf14a3553dfdf321390e78a1a98e7a19d3d
[INFO] running `Command { std: "docker" "start" "-a" "002fe1fc8201092ebfee754a5371faf14a3553dfdf321390e78a1a98e7a19d3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-usb-boot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | 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/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-90f6ddbf82de36ec.so, /opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-90f6ddbf82de36ec.rlib
[INFO] [stdout]    = note: second definition in the local crate (`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 `panic-usb-boot` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "002fe1fc8201092ebfee754a5371faf14a3553dfdf321390e78a1a98e7a19d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002fe1fc8201092ebfee754a5371faf14a3553dfdf321390e78a1a98e7a19d3d", kill_on_drop: false }`
[INFO] [stdout] 002fe1fc8201092ebfee754a5371faf14a3553dfdf321390e78a1a98e7a19d3d
