[INFO] cloning repository https://github.com/Dokuro-YH/microbit-v2-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dokuro-YH/microbit-v2-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDokuro-YH%2Fmicrobit-v2-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDokuro-YH%2Fmicrobit-v2-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dc89ee94aafdeb88002c58ab6ce31398a43585e
[INFO] checking Dokuro-YH/microbit-v2-examples against master#da2544bfbe84df7b24d83c029c74299ebf6112c6 for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDokuro-YH%2Fmicrobit-v2-examples" "/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.toml
[INFO] started tweaking git repo https://github.com/Dokuro-YH/microbit-v2-examples
[INFO] finished tweaking git repo https://github.com/Dokuro-YH/microbit-v2-examples
[INFO] tweaked toml for git repo https://github.com/Dokuro-YH/microbit-v2-examples written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dokuro-YH/microbit-v2-examples on toolchain da2544bfbe84df7b24d83c029c74299ebf6112c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Dokuro-YH/microbit-v2-examples 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" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-parser v0.3.1
[INFO] [stderr]   Downloaded panic-probe v0.3.0
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded microbit-v2 v0.13.0
[INFO] [stderr]   Downloaded defmt v0.3.2
[INFO] [stderr]   Downloaded rtic-core v1.0.0
[INFO] [stderr]   Downloaded critical-section v0.2.8
[INFO] [stderr]   Downloaded nrf52833-hal v0.14.1
[INFO] [stderr]   Downloaded fugit v0.3.6
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v1.1.5
[INFO] [stderr]   Downloaded rtic-syntax v1.0.2
[INFO] [stderr]   Downloaded nrf-usbd v0.1.1
[INFO] [stderr]   Downloaded cortex-m v0.7.6
[INFO] [stderr]   Downloaded cortex-m-rtic v1.1.3
[INFO] [stderr]   Downloaded fixed v1.20.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.14.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.2
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded microbit-common v0.13.0
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] [stderr]   Downloaded defmt-rtt v0.4.0
[INFO] [stderr]   Downloaded nrf52833-pac v0.10.1
[INFO] [stderr]   Downloaded microbit-text v1.0.0
[INFO] [stderr]   Downloaded lsm303agr v0.2.2
[INFO] [stderr]   Downloaded gcd v2.2.0
[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded defmt-macros v0.3.3
[INFO] [stderr]   Downloaded rtic-monotonic v1.0.0
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 873290c6f996c828c05914322a46169235db3ea0115cc1ef0c7188b0592542ea
[INFO] running `Command { std: "docker" "start" "-a" "873290c6f996c828c05914322a46169235db3ea0115cc1ef0c7188b0592542ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "873290c6f996c828c05914322a46169235db3ea0115cc1ef0c7188b0592542ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873290c6f996c828c05914322a46169235db3ea0115cc1ef0c7188b0592542ea", kill_on_drop: false }`
[INFO] [stdout] 873290c6f996c828c05914322a46169235db3ea0115cc1ef0c7188b0592542ea
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bb56bba6af977d271b71f3e0f0468cf27a8705d372c0e8066bc9d64e7b8a8a4
[INFO] running `Command { std: "docker" "start" "-a" "8bb56bba6af977d271b71f3e0f0468cf27a8705d372c0e8066bc9d64e7b8a8a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling cortex-m v0.7.6
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking critical-section v1.1.1
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]    Compiling cortex-m-rt v0.7.2
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 semver v1.0.14
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling defmt v0.3.2
[INFO] [stderr]    Compiling nrf52833-pac v0.10.1
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling fixed v1.20.0
[INFO] [stderr]    Compiling defmt-macros v0.3.3
[INFO] [stderr]     Checking critical-section v0.2.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]     Checking half v2.1.0
[INFO] [stderr]    Compiling nrf-hal-common v0.14.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[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" "8bb56bba6af977d271b71f3e0f0468cf27a8705d372c0e8066bc9d64e7b8a8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb56bba6af977d271b71f3e0f0468cf27a8705d372c0e8066bc9d64e7b8a8a4", kill_on_drop: false }`
[INFO] [stdout] 8bb56bba6af977d271b71f3e0f0468cf27a8705d372c0e8066bc9d64e7b8a8a4
