[INFO] cloning repository https://github.com/kitzbergerg/scream [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kitzbergerg/scream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitzbergerg%2Fscream", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitzbergerg%2Fscream'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 568d3557f1b7008b54ab887f5001cbaada10bd37 [INFO] testing kitzbergerg/scream against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitzbergerg%2Fscream" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/kitzbergerg/scream [INFO] finished tweaking git repo https://github.com/kitzbergerg/scream [INFO] tweaked toml for git repo https://github.com/kitzbergerg/scream written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kitzbergerg/scream on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kitzbergerg/scream 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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded microbit-common v0.13.0 [INFO] [stderr] Downloaded microbit-v2 v0.13.0 [INFO] [stderr] Downloaded panic-halt v0.2.0 [INFO] [stderr] Downloaded cortex-m-rt-macros v0.7.0 [INFO] [stderr] Downloaded volatile-register v0.2.1 [INFO] [stderr] Downloaded tiny-led-matrix v1.0.2 [INFO] [stderr] Downloaded defmt-rtt v0.4.0 [INFO] [stderr] Downloaded critical-section v0.2.8 [INFO] [stderr] Downloaded nb v1.0.0 [INFO] [stderr] Downloaded nrf-usbd v0.1.1 [INFO] [stderr] Downloaded defmt-parser v0.3.1 [INFO] [stderr] Downloaded defmt-macros v0.3.3 [INFO] [stderr] Downloaded usb-device v0.2.9 [INFO] [stderr] Downloaded critical-section v1.1.1 [INFO] [stderr] Downloaded defmt v0.3.2 [INFO] [stderr] Downloaded lsm303agr v0.2.2 [INFO] [stderr] Downloaded embedded-dma v0.1.2 [INFO] [stderr] Downloaded embedded-storage v0.2.0 [INFO] [stderr] Downloaded cortex-m-rt v0.7.2 [INFO] [stderr] Downloaded fixed v1.22.1 [INFO] [stderr] Downloaded nrf52833-hal v0.14.1 [INFO] [stderr] Downloaded nrf-hal-common v0.14.1 [INFO] [stderr] Downloaded nrf52833-pac v0.10.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5cbc7d96809fb00f249ab23adbb32338725839bfa047ab8edfdbca0e8395272 [INFO] running `Command { std: "docker" "start" "-a" "e5cbc7d96809fb00f249ab23adbb32338725839bfa047ab8edfdbca0e8395272", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5cbc7d96809fb00f249ab23adbb32338725839bfa047ab8edfdbca0e8395272", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5cbc7d96809fb00f249ab23adbb32338725839bfa047ab8edfdbca0e8395272", kill_on_drop: false }` [INFO] [stdout] e5cbc7d96809fb00f249ab23adbb32338725839bfa047ab8edfdbca0e8395272 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa7440646380cc8b5fb85dadaf4cd731130967d0bde4116bdd07657ea133b902 [INFO] running `Command { std: "docker" "start" "-a" "aa7440646380cc8b5fb85dadaf4cd731130967d0bde4116bdd07657ea133b902", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.50 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling cortex-m-rt v0.7.2 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling critical-section v1.1.1 [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 nrf52833-pac v0.10.1 [INFO] [stderr] Compiling bare-metal v1.0.0 [INFO] [stderr] Compiling fixed v1.22.1 [INFO] [stderr] Compiling volatile-register v0.2.1 [INFO] [stderr] Compiling critical-section v0.2.8 [INFO] [stderr] Compiling half v2.2.1 [INFO] [stderr] Compiling defmt v0.3.2 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling bytemuck v1.13.0 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling usb-device v0.2.9 [INFO] [stderr] Compiling nrf-hal-common v0.14.1 [INFO] [stderr] Compiling embedded-dma v0.1.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling embedded-storage v0.2.0 [INFO] [stderr] Compiling defmt-macros v0.3.3 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling nrf52833-hal v0.14.1 [INFO] [stderr] Compiling defmt-parser v0.3.1 [INFO] [stderr] Compiling tiny-led-matrix v1.0.2 [INFO] [stderr] Compiling defmt-rtt v0.4.0 [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 scream v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling panic-halt v0.2.0 [INFO] [stderr] Compiling lsm303agr v0.2.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [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" "aa7440646380cc8b5fb85dadaf4cd731130967d0bde4116bdd07657ea133b902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa7440646380cc8b5fb85dadaf4cd731130967d0bde4116bdd07657ea133b902", kill_on_drop: false }` [INFO] [stdout] aa7440646380cc8b5fb85dadaf4cd731130967d0bde4116bdd07657ea133b902