[INFO] fetching crate mks979b 0.1.0... [INFO] testing mks979b-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0 [INFO] extracting crate mks979b 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml [INFO] started tweaking crates.io crate mks979b 0.1.0 [INFO] finished tweaking crates.io crate mks979b 0.1.0 [INFO] tweaked toml for crates.io crate mks979b 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mks979b 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mks979b 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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 usbd-serial v0.1.1 [INFO] [stderr] Downloaded seq-macro v0.2.2 [INFO] [stderr] Downloaded usb-device v0.2.8 [INFO] [stderr] Downloaded bitbang-hal v0.3.2 [INFO] [stderr] Downloaded bytemuck v1.8.0 [INFO] [stderr] Downloaded apa102-spi v0.3.2 [INFO] [stderr] Downloaded itsybitsy_m4 v0.7.0 [INFO] [stderr] Downloaded rgb v0.8.32 [INFO] [stderr] Downloaded replace_with v0.1.7 [INFO] [stderr] Downloaded critical-section v0.2.5 [INFO] [stderr] Downloaded atomic-polyfill v0.1.6 [INFO] [stderr] Downloaded riscv-target v0.1.2 [INFO] [stderr] Downloaded spin v0.9.2 [INFO] [stderr] Downloaded bit_field v0.10.1 [INFO] [stderr] Downloaded paste v1.0.6 [INFO] [stderr] Downloaded cortex-m-rt v0.7.1 [INFO] [stderr] Downloaded heapless v0.7.10 [INFO] [stderr] Downloaded atsamd-hal v0.14.0 [INFO] [stderr] Downloaded volatile-register v0.2.1 [INFO] [stderr] Downloaded riscv v0.7.0 [INFO] [stderr] Downloaded cortex-m v0.7.4 [INFO] [stderr] Downloaded atsamd51g v0.11.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bcc0a5e6315dc5df03319937db14e77086f66196b2ce336d1ea04dbb8284ede9 [INFO] running `Command { std: "docker" "start" "-a" "bcc0a5e6315dc5df03319937db14e77086f66196b2ce336d1ea04dbb8284ede9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcc0a5e6315dc5df03319937db14e77086f66196b2ce336d1ea04dbb8284ede9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcc0a5e6315dc5df03319937db14e77086f66196b2ce336d1ea04dbb8284ede9", kill_on_drop: false }` [INFO] [stdout] bcc0a5e6315dc5df03319937db14e77086f66196b2ce336d1ea04dbb8284ede9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e3ad4fa14cd5bf98fbdbbf00b1be12824155b37f27306e79b4acc130c4f13c86 [INFO] running `Command { std: "docker" "start" "-a" "e3ad4fa14cd5bf98fbdbbf00b1be12824155b37f27306e79b4acc130c4f13c86", kill_on_drop: false }` [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling heapless v0.7.10 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling numtoa v0.2.4 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling hash32 v0.2.1 [INFO] [stderr] Compiling spin v0.9.2 [INFO] [stderr] Compiling mks979b v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.31s [INFO] running `Command { std: "docker" "inspect" "e3ad4fa14cd5bf98fbdbbf00b1be12824155b37f27306e79b4acc130c4f13c86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3ad4fa14cd5bf98fbdbbf00b1be12824155b37f27306e79b4acc130c4f13c86", kill_on_drop: false }` [INFO] [stdout] e3ad4fa14cd5bf98fbdbbf00b1be12824155b37f27306e79b4acc130c4f13c86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] bc0b704171a1c1be2168676941f2b16727a2d757b340f42b7030cb46e5a360c5 [INFO] running `Command { std: "docker" "start" "-a" "bc0b704171a1c1be2168676941f2b16727a2d757b340f42b7030cb46e5a360c5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling cortex-m-rt v0.7.1 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling cortex-m v0.7.4 [INFO] [stderr] Compiling bytemuck v1.8.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling atsamd51g v0.11.0 [INFO] [stderr] Compiling volatile-register v0.2.1 [INFO] [stderr] Compiling usb-device v0.2.8 [INFO] [stderr] Compiling seq-macro v0.2.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Compiling itsybitsy_m4 v0.7.0 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling replace_with v0.1.7 [INFO] [stderr] Compiling rgb v0.8.32 [INFO] [stderr] Compiling bitbang-hal v0.3.2 [INFO] [stderr] Compiling usbd-serial v0.1.1 [INFO] [stderr] Compiling mks979b v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling smart-leds-trait v0.2.1 [INFO] [stderr] Compiling smart-leds v0.3.0 [INFO] [stderr] Compiling apa102-spi v0.3.2 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling cortex-m-rt-macros v0.7.0 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Compiling modular-bitfield v0.11.2 [INFO] [stderr] Compiling atsamd-hal v0.14.0 [INFO] [stdout] warning: unexpected `cfg` condition value: `use_semihosting` [INFO] [stdout] --> examples/itsybitsy_m4.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | #[cfg(not(feature = "use_semihosting"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `use_semihosting` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `use_semihosting` [INFO] [stdout] --> examples/itsybitsy_m4.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(feature = "use_semihosting")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `use_semihosting` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [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 `mks979b` (example "itsybitsy_m4") due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bc0b704171a1c1be2168676941f2b16727a2d757b340f42b7030cb46e5a360c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc0b704171a1c1be2168676941f2b16727a2d757b340f42b7030cb46e5a360c5", kill_on_drop: false }` [INFO] [stdout] bc0b704171a1c1be2168676941f2b16727a2d757b340f42b7030cb46e5a360c5