[INFO] cloning repository https://github.com/khollbach/crackle-pop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khollbach/crackle-pop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Fcrackle-pop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Fcrackle-pop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2bceff71f888e63a73a22f50e22abbafae3f1e03 [INFO] testing khollbach/crackle-pop against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Fcrackle-pop" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/khollbach/crackle-pop [INFO] finished tweaking git repo https://github.com/khollbach/crackle-pop [INFO] tweaked toml for git repo https://github.com/khollbach/crackle-pop written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/khollbach/crackle-pop 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 git repo https://github.com/khollbach/crackle-pop 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tiny-led-matrix v1.0.2 [INFO] [stderr] Downloaded microbit-common v0.13.0 [INFO] [stderr] Downloaded microbit-v2 v0.13.0 [INFO] [stderr] Downloaded nrf52833-hal v0.14.1 [INFO] [stderr] Downloaded critical-section v0.2.8 [INFO] [stderr] Downloaded embedded-dma v0.1.2 [INFO] [stderr] Downloaded embedded-storage v0.2.0 [INFO] [stderr] Downloaded critical-section v1.1.1 [INFO] [stderr] Downloaded usb-device v0.2.9 [INFO] [stderr] Downloaded az v1.2.1 [INFO] [stderr] Downloaded nrf-hal-common v0.14.1 [INFO] [stderr] Downloaded cortex-m-rt v0.7.2 [INFO] [stderr] Downloaded bytemuck v1.13.0 [INFO] [stderr] Downloaded cortex-m v0.7.7 [INFO] [stderr] Downloaded nrf-usbd v0.1.1 [INFO] [stderr] Downloaded fixed v1.22.1 [INFO] [stderr] Downloaded nrf52833-pac v0.10.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b77e1606c1125a46f700b96c28d31330b8bc790534d6553dccf9166867d4b758 [INFO] running `Command { std: "docker" "start" "-a" "b77e1606c1125a46f700b96c28d31330b8bc790534d6553dccf9166867d4b758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b77e1606c1125a46f700b96c28d31330b8bc790534d6553dccf9166867d4b758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b77e1606c1125a46f700b96c28d31330b8bc790534d6553dccf9166867d4b758", kill_on_drop: false }` [INFO] [stdout] b77e1606c1125a46f700b96c28d31330b8bc790534d6553dccf9166867d4b758 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3a79bffa3ffc0a9581f110b5b088842096eddd4ac773b1b5f87d4f821d461370 [INFO] running `Command { std: "docker" "start" "-a" "3a79bffa3ffc0a9581f110b5b088842096eddd4ac773b1b5f87d4f821d461370", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.50 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling cortex-m-rt v0.7.2 [INFO] [stderr] Compiling vcell v0.1.3 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling az v1.2.1 [INFO] [stderr] Compiling fixed v1.22.1 [INFO] [stderr] Compiling nrf52833-pac v0.10.1 [INFO] [stderr] Compiling bare-metal v1.0.0 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling volatile-register v0.2.1 [INFO] [stderr] Compiling critical-section v1.1.1 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling nrf-hal-common v0.14.1 [INFO] [stderr] Compiling half v2.2.1 [INFO] [stderr] Compiling usb-device v0.2.9 [INFO] [stderr] Compiling critical-section v0.2.8 [INFO] [stderr] Compiling bytemuck v1.13.0 [INFO] [stderr] Compiling embedded-dma v0.1.2 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling nrf52833-hal v0.14.1 [INFO] [stderr] Compiling embedded-storage v0.2.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling tiny-led-matrix v1.0.2 [INFO] [stderr] Compiling panic-halt v0.2.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nrf-usbd v0.1.1 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3a79bffa3ffc0a9581f110b5b088842096eddd4ac773b1b5f87d4f821d461370", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a79bffa3ffc0a9581f110b5b088842096eddd4ac773b1b5f87d4f821d461370", kill_on_drop: false }` [INFO] [stdout] 3a79bffa3ffc0a9581f110b5b088842096eddd4ac773b1b5f87d4f821d461370