[INFO] cloning repository https://github.com/mhatzl/nrf-mantra-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhatzl/nrf-mantra-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhatzl%2Fnrf-mantra-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhatzl%2Fnrf-mantra-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0eb5d66dc9317ed96b78ad49e10411cce82c4c19
[INFO] checking mhatzl/nrf-mantra-demo against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhatzl%2Fnrf-mantra-demo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mhatzl/nrf-mantra-demo
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/mhatzl/nrf-mantra-demo
[INFO] tweaked toml for git repo https://github.com/mhatzl/nrf-mantra-demo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mhatzl/nrf-mantra-demo on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mhatzl/nrf-mantra-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded panic-probe v1.0.0
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.5.0
[INFO] [stderr]   Downloaded mantra-schema v0.7.0
[INFO] [stderr]   Downloaded mantra-rust-procm v0.7.0
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded defmt-rtt v1.0.0
[INFO] [stderr]   Downloaded mantra-lang-tracing v0.7.0
[INFO] [stderr]   Downloaded defmt-test-macros v0.3.2
[INFO] [stderr]   Downloaded nrf52840-hal v0.18.0
[INFO] [stderr]   Downloaded deranged v0.5.4
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.5
[INFO] [stderr]   Downloaded usb-device v0.3.2
[INFO] [stderr]   Downloaded nrf-usbd v0.3.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.18.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.5
[INFO] [stderr]   Downloaded regex v1.11.3
[INFO] [stderr]   Downloaded regex-syntax v0.8.6
[INFO] [stderr]   Downloaded fixed v1.29.0
[INFO] [stderr]   Downloaded defmt-test v0.4.0
[INFO] [stderr]   Downloaded nrf52840-pac v0.12.2
[INFO] [stderr]   Downloaded regex-automata v0.4.11
[INFO] [stderr]   Downloaded mantra-rust-macros v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a911526443c6c03bb7c99bbaf9ce5b1c9297663f6e4cebfc718a85c80670cf3
[INFO] running `Command { std: "docker" "start" "-a" "1a911526443c6c03bb7c99bbaf9ce5b1c9297663f6e4cebfc718a85c80670cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a911526443c6c03bb7c99bbaf9ce5b1c9297663f6e4cebfc718a85c80670cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a911526443c6c03bb7c99bbaf9ce5b1c9297663f6e4cebfc718a85c80670cf3", kill_on_drop: false }`
[INFO] [stdout] 1a911526443c6c03bb7c99bbaf9ce5b1c9297663f6e4cebfc718a85c80670cf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2bcf3e3eceb515689bda110f32f7c9326fee83d1b1ad7060f26bdac80343ae
[INFO] running `Command { std: "docker" "start" "-a" "8c2bcf3e3eceb515689bda110f32f7c9326fee83d1b1ad7060f26bdac80343ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling nrf52840-pac v0.12.2
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling path-slash v0.2.1
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]    Compiling nrf-hal-common v0.18.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling nrf52840-hal v0.18.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling panic-probe v1.0.0
[INFO] [stderr]    Compiling defmt-rtt v1.0.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]    Compiling nrf-mantra-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking nrf-usbd v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling defmt-test-macros v0.3.2
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]     Checking defmt v0.3.100
[INFO] [stderr]     Checking defmt-test v0.4.0
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling mantra-schema v0.7.0
[INFO] [stderr]    Compiling mantra-lang-tracing v0.7.0
[INFO] [stderr]    Compiling mantra-rust-procm v0.7.0
[INFO] [stderr]     Checking mantra-rust-macros v0.7.0
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nrf-mantra-demo` (test "trace") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8c2bcf3e3eceb515689bda110f32f7c9326fee83d1b1ad7060f26bdac80343ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2bcf3e3eceb515689bda110f32f7c9326fee83d1b1ad7060f26bdac80343ae", kill_on_drop: false }`
[INFO] [stdout] 8c2bcf3e3eceb515689bda110f32f7c9326fee83d1b1ad7060f26bdac80343ae