[INFO] cloning repository https://github.com/sornas/arduino-uno-uart [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sornas/arduino-uno-uart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsornas%2Farduino-uno-uart", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsornas%2Farduino-uno-uart'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cde61643be338ac2136bff9acf6a4fbfbb2219f8 [INFO] checking sornas/arduino-uno-uart/cde61643be338ac2136bff9acf6a4fbfbb2219f8 against master#5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa for pr-149901 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsornas%2Farduino-uno-uart" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/sornas/arduino-uno-uart [INFO] finished tweaking git repo https://github.com/sornas/arduino-uno-uart [INFO] tweaked toml for git repo https://github.com/sornas/arduino-uno-uart written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sornas/arduino-uno-uart on toolchain 5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sornas/arduino-uno-uart 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" "+5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/rahix/avr-hal` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nb v1.0.0 [INFO] [stderr] Downloaded ufmt-macros v0.2.0 [INFO] [stderr] Downloaded ufmt-write v0.1.0 [INFO] [stderr] Downloaded panic-halt v0.2.0 [INFO] [stderr] Downloaded ufmt v0.1.2 [INFO] [stderr] Downloaded avr-device-macros v0.4.0 [INFO] [stderr] Downloaded vcell v0.1.3 [INFO] [stderr] Downloaded bare-metal v1.0.0 [INFO] [stderr] Downloaded paste v1.0.9 [INFO] [stderr] Downloaded embedded-hal v0.2.7 [INFO] [stderr] Downloaded proc-macro2 v1.0.47 [INFO] [stderr] Downloaded unicode-ident v1.0.5 [INFO] [stderr] Downloaded nb v0.1.3 [INFO] [stderr] Downloaded syn v1.0.105 [INFO] [stderr] Downloaded avr-device v0.4.0 [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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c923733d4e0ce6227b3d8368e655da2e2a717e50c1d051d63f3e5c6845deb413 [INFO] running `Command { std: "docker" "start" "-a" "c923733d4e0ce6227b3d8368e655da2e2a717e50c1d051d63f3e5c6845deb413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c923733d4e0ce6227b3d8368e655da2e2a717e50c1d051d63f3e5c6845deb413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c923733d4e0ce6227b3d8368e655da2e2a717e50c1d051d63f3e5c6845deb413", kill_on_drop: false }` [INFO] [stdout] c923733d4e0ce6227b3d8368e655da2e2a717e50c1d051d63f3e5c6845deb413 [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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d820f1b0a4664689868465169539d4270f78c2aa60e2e70ed58c90b9700d9142 [INFO] running `Command { std: "docker" "start" "-a" "d820f1b0a4664689868465169539d4270f78c2aa60e2e70ed58c90b9700d9142", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling rustversion v1.0.9 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking ufmt-write v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking bare-metal v1.0.0 [INFO] [stderr] Compiling paste v1.0.9 [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-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file` [INFO] [stdout] | [INFO] [stdout] 92 - feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] 92 + feature(proc_macro_span, proc_macro_span_file) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bitbang-hal v0.3.2 (/opt/rustwide/workdir/vendor/bitbang-hal) [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" "d820f1b0a4664689868465169539d4270f78c2aa60e2e70ed58c90b9700d9142", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d820f1b0a4664689868465169539d4270f78c2aa60e2e70ed58c90b9700d9142", kill_on_drop: false }` [INFO] [stdout] d820f1b0a4664689868465169539d4270f78c2aa60e2e70ed58c90b9700d9142