[INFO] cloning repository https://github.com/daschl/nrf52840dk-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daschl/nrf52840dk-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaschl%2Fnrf52840dk-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaschl%2Fnrf52840dk-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0c09c8beda1c69ea2d9a32a7fbdbac18176328e
[INFO] testing daschl/nrf52840dk-sample against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaschl%2Fnrf52840dk-sample" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daschl/nrf52840dk-sample on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/daschl/nrf52840dk-sample
[INFO] finished tweaking git repo https://github.com/daschl/nrf52840dk-sample
[INFO] tweaked toml for git repo https://github.com/daschl/nrf52840dk-sample written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/daschl/nrf52840dk-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/knurling-rs/defmt`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed v1.2.0
[INFO] [stderr]   Downloaded nrf52840-pac v0.9.0
[INFO] [stderr]   Downloaded nrf52840-hal v0.11.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97ceee4a89af1da9c05835b1311b07ffa2ad0953602844632b0bd798f470510f
[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" "97ceee4a89af1da9c05835b1311b07ffa2ad0953602844632b0bd798f470510f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ceee4a89af1da9c05835b1311b07ffa2ad0953602844632b0bd798f470510f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ceee4a89af1da9c05835b1311b07ffa2ad0953602844632b0bd798f470510f", kill_on_drop: false }`
[INFO] [stdout] 97ceee4a89af1da9c05835b1311b07ffa2ad0953602844632b0bd798f470510f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cfa2ca8c8d8c1c0b73c62d6921c58b8b3ba707782a811262a032761d3372531
[INFO] running `Command { std: "docker" "start" "-a" "4cfa2ca8c8d8c1c0b73c62d6921c58b8b3ba707782a811262a032761d3372531", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling nrf52840-pac v0.9.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling fixed v1.2.0
[INFO] [stderr]    Compiling defmt-parser v0.1.0 (https://github.com/knurling-rs/defmt?branch=main#3aa4e70e)
[INFO] [stderr]    Compiling defmt v0.1.0 (https://github.com/knurling-rs/defmt?branch=main#3aa4e70e)
[INFO] [stderr]    Compiling nrf52840-hal v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling defmt-common v0.1.0 (https://github.com/knurling-rs/defmt?branch=main#3aa4e70e)
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling defmt-macros v0.1.0 (https://github.com/knurling-rs/defmt?branch=main#3aa4e70e)
[INFO] [stderr]    Compiling defmt-rtt v0.1.0 (https://github.com/knurling-rs/defmt?branch=main#3aa4e70e)
[INFO] [stderr]    Compiling nrf-hal-common v0.11.1
[INFO] [stderr]    Compiling nrf52840dk-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `defmt` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.so, /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib
[INFO] [stdout]    = note: second definition in the local crate (`nrf52840dk_sample`)
[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 `nrf52840dk-sample` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4cfa2ca8c8d8c1c0b73c62d6921c58b8b3ba707782a811262a032761d3372531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cfa2ca8c8d8c1c0b73c62d6921c58b8b3ba707782a811262a032761d3372531", kill_on_drop: false }`
[INFO] [stdout] 4cfa2ca8c8d8c1c0b73c62d6921c58b8b3ba707782a811262a032761d3372531