[INFO] cloning repository https://github.com/DeimosHall/arduino-blink-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeimosHall/arduino-blink-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeimosHall%2Farduino-blink-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeimosHall%2Farduino-blink-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5d0b4bc955d4167478e685adaa7cefef27dc4a1
[INFO] checking DeimosHall/arduino-blink-rust against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeimosHall%2Farduino-blink-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/DeimosHall/arduino-blink-rust
[INFO] finished tweaking git repo https://github.com/DeimosHall/arduino-blink-rust
[INFO] tweaked toml for git repo https://github.com/DeimosHall/arduino-blink-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DeimosHall/arduino-blink-rust on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DeimosHall/arduino-blink-rust 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rahix/avr-hal`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded avr-device-macros v0.4.0
[INFO] [stderr]   Downloaded ufmt-macros v0.2.0
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded ufmt v0.1.2
[INFO] [stderr]   Downloaded avr-device v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba488b8b4e2d6949d3f540068998b692110a85351437334ef76fb0fd101b3f17
[INFO] running `Command { std: "docker" "start" "-a" "ba488b8b4e2d6949d3f540068998b692110a85351437334ef76fb0fd101b3f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba488b8b4e2d6949d3f540068998b692110a85351437334ef76fb0fd101b3f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba488b8b4e2d6949d3f540068998b692110a85351437334ef76fb0fd101b3f17", kill_on_drop: false }`
[INFO] [stdout] ba488b8b4e2d6949d3f540068998b692110a85351437334ef76fb0fd101b3f17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8b84698964641b808834667e2edf9a71b4c30c353057164fc5bae98e62e614b
[INFO] running `Command { std: "docker" "start" "-a" "e8b84698964641b808834667e2edf9a71b4c30c353057164fc5bae98e62e614b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 avr-hal-generic v0.1.0 (https://github.com/rahix/avr-hal?rev=4170a773d4d76cc93433d2455ed8b14e573ebe70#4170a773)
[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" "e8b84698964641b808834667e2edf9a71b4c30c353057164fc5bae98e62e614b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b84698964641b808834667e2edf9a71b4c30c353057164fc5bae98e62e614b", kill_on_drop: false }`
[INFO] [stdout] e8b84698964641b808834667e2edf9a71b4c30c353057164fc5bae98e62e614b
