[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaschl%2Fnrf52840dk-sample" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daschl/nrf52840dk-sample on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/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-4/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1d58d743ceb0097cb6233b851fc9fa14d30a85afd9cf82f98010ad3f4215bd0
[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" "f1d58d743ceb0097cb6233b851fc9fa14d30a85afd9cf82f98010ad3f4215bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1d58d743ceb0097cb6233b851fc9fa14d30a85afd9cf82f98010ad3f4215bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d58d743ceb0097cb6233b851fc9fa14d30a85afd9cf82f98010ad3f4215bd0", kill_on_drop: false }`
[INFO] [stdout] f1d58d743ceb0097cb6233b851fc9fa14d30a85afd9cf82f98010ad3f4215bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b7424a1530c40b0be70fcf158cfbd329f200add30bfcc257372c4721c85e8c
[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" "73b7424a1530c40b0be70fcf158cfbd329f200add30bfcc257372c4721c85e8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling nrf52840-pac v0.9.0
[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 defmt-common v0.1.0 (https://github.com/knurling-rs/defmt?branch=main#3aa4e70e)
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nrf52840-hal v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[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/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.so, /opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.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" "73b7424a1530c40b0be70fcf158cfbd329f200add30bfcc257372c4721c85e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b7424a1530c40b0be70fcf158cfbd329f200add30bfcc257372c4721c85e8c", kill_on_drop: false }`
[INFO] [stdout] 73b7424a1530c40b0be70fcf158cfbd329f200add30bfcc257372c4721c85e8c