[INFO] cloning repository drone-os/demo-core-nucleo [INFO] running `"git" "clone" "--bare" "git://github.com/drone-os/demo-core-nucleo.git" "work/cache/sources/gh/drone-os/demo-core-nucleo"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/drone-os/demo-core-nucleo'... [INFO] running `"git" "clone" "work/cache/sources/gh/drone-os/demo-core-nucleo" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/drone-os/demo-core-nucleo"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/drone-os/demo-core-nucleo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/drone-os/demo-core-nucleo" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/drone-os/demo-core-nucleo"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/drone-os/demo-core-nucleo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e5fba82b589d9fbdf991c5deefa0d944985fd21f [INFO] sha for GitHub repo drone-os/demo-core-nucleo: e5fba82b589d9fbdf991c5deefa0d944985fd21f [INFO] validating manifest of drone-os/demo-core-nucleo on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of drone-os/demo-core-nucleo on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing drone-os/demo-core-nucleo [INFO] finished frobbing drone-os/demo-core-nucleo [INFO] frobbed toml for drone-os/demo-core-nucleo written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/drone-os/demo-core-nucleo/Cargo.toml [INFO] started frobbing drone-os/demo-core-nucleo [INFO] finished frobbing drone-os/demo-core-nucleo [INFO] frobbed toml for drone-os/demo-core-nucleo written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/drone-os/demo-core-nucleo/Cargo.toml [INFO] crate drone-os/demo-core-nucleo already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating git repository `https://github.com/drone-os/drone-test` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded drone-stm32 v0.8.3 [INFO] [stderr] Downloaded drone-stm32-svd v0.8.3 [INFO] [stderr] Downloaded drone-stm32-macros v0.8.3 [INFO] [stderr] Downloaded drone-mirror-failure v0.1.1 [INFO] [stderr] Downloaded drone-macros-core v0.8.3 [INFO] [stderr] Downloaded drone-core-macros v0.8.3 [INFO] [stderr] Downloaded drone-core v0.8.3 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking drone-os/demo-core-nucleo against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/drone-os/demo-core-nucleo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a6cba133266c5fed7d2d24b048bb0494a8522835ca61622464a3d9ebb4490af4 [INFO] running `"docker" "start" "-a" "a6cba133266c5fed7d2d24b048bb0494a8522835ca61622464a3d9ebb4490af4"` [INFO] [stderr] Checking futures-core-preview v0.2.3 [INFO] [stderr] Compiling serde v1.0.75 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling if_chain v0.1.3 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking drone-ctypes v0.8.3 [INFO] [stderr] Checking sc v0.2.2 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking futures-channel-preview v0.2.2 [INFO] [stderr] Checking futures-io-preview v0.2.2 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Compiling Inflector v0.11.3 [INFO] [stderr] Checking test v0.2.3 (https://github.com/drone-os/drone-test#017ea82b) [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Checking futures-sink-preview v0.2.2 [INFO] [stderr] Checking futures-util-preview v0.2.2 [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27 [INFO] [stderr] | [INFO] [stderr] 359 | Span::Nightly(proc_macro::Span::def_site()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/54724 [INFO] [stderr] = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] error: Could not compile `proc-macro2`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "a6cba133266c5fed7d2d24b048bb0494a8522835ca61622464a3d9ebb4490af4"` [INFO] running `"docker" "rm" "-f" "a6cba133266c5fed7d2d24b048bb0494a8522835ca61622464a3d9ebb4490af4"` [INFO] [stdout] a6cba133266c5fed7d2d24b048bb0494a8522835ca61622464a3d9ebb4490af4