[INFO] updating cached repository ColbyCypherSociety/ChatDemo [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ColbyCypherSociety/ChatDemo [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ColbyCypherSociety/ChatDemo" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ColbyCypherSociety/ChatDemo"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ColbyCypherSociety/ChatDemo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ColbyCypherSociety/ChatDemo" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ColbyCypherSociety/ChatDemo"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ColbyCypherSociety/ChatDemo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 886aab80b0c512cf209717b4eeee7eb243935a0f [INFO] sha for GitHub repo ColbyCypherSociety/ChatDemo: 886aab80b0c512cf209717b4eeee7eb243935a0f [INFO] validating manifest of ColbyCypherSociety/ChatDemo on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ColbyCypherSociety/ChatDemo on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ColbyCypherSociety/ChatDemo [INFO] finished frobbing ColbyCypherSociety/ChatDemo [INFO] frobbed toml for ColbyCypherSociety/ChatDemo written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ColbyCypherSociety/ChatDemo/Cargo.toml [INFO] started frobbing ColbyCypherSociety/ChatDemo [INFO] finished frobbing ColbyCypherSociety/ChatDemo [INFO] frobbed toml for ColbyCypherSociety/ChatDemo written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ColbyCypherSociety/ChatDemo/Cargo.toml [INFO] crate ColbyCypherSociety/ChatDemo has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking ColbyCypherSociety/ChatDemo against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ColbyCypherSociety/ChatDemo:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3abec016d2d87cc432230894f2908a1149ae60fd9a231b36edce61441781cd57 [INFO] running `"docker" "start" "-a" "3abec016d2d87cc432230894f2908a1149ae60fd9a231b36edce61441781cd57"` [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.17 [INFO] [stderr] Compiling serde_json v1.0.26 [INFO] [stderr] Checking num-bigint v0.2.0 [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724) [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] = 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" "3abec016d2d87cc432230894f2908a1149ae60fd9a231b36edce61441781cd57"` [INFO] running `"docker" "rm" "-f" "3abec016d2d87cc432230894f2908a1149ae60fd9a231b36edce61441781cd57"` [INFO] [stdout] 3abec016d2d87cc432230894f2908a1149ae60fd9a231b36edce61441781cd57