Dec 19 18:00:39.350 INFO checking dflemstr/semantic-editor against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:00:39.350 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/dflemstr/semantic-editor:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:00:39.562 INFO [stdout] 794fed241d3f544a552edbc3c206ec49a113c947c548280028cd97675b4c00dc
Dec 19 18:00:39.565 INFO running `"docker" "start" "-a" "794fed241d3f544a552edbc3c206ec49a113c947c548280028cd97675b4c00dc"`
Dec 19 18:00:40.863 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.19
Dec 19 18:00:40.880 INFO [stderr]    Compiling termcolor v1.0.1
Dec 19 18:00:40.880 INFO [stderr]    Compiling multimap v0.4.0
Dec 19 18:00:40.880 INFO [stderr]    Compiling alloc-no-stdlib v1.3.0
Dec 19 18:00:40.896 INFO [stderr]     Checking slog v2.3.2
Dec 19 18:00:40.896 INFO [stderr]    Compiling type-info v0.2.1
Dec 19 18:00:40.899 INFO [stderr]    Compiling bytesize v1.0.0
Dec 19 18:00:41.607 INFO [stderr]    Compiling iovec v0.1.2
Dec 19 18:00:41.877 INFO [stderr]    Compiling petgraph v0.4.12
Dec 19 18:00:41.900 INFO [stderr]    Compiling brotli-decompressor v1.3.1
Dec 19 18:00:42.521 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 19 18:00:43.768 INFO [stderr]    Compiling tempdir v0.3.7
Dec 19 18:00:43.776 INFO [stderr]    Compiling serde v1.0.71
Dec 19 18:00:43.849 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 19 18:00:43.849 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 19 18:00:43.849 INFO [stderr]     |
Dec 19 18:00:43.849 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 19 18:00:43.849 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:00:43.849 INFO [stderr]     |
Dec 19 18:00:43.849 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 19 18:00:43.849 INFO [stderr] 
Dec 19 18:00:43.849 INFO [stderr]     Checking mio v0.6.15
Dec 19 18:00:43.868 INFO [stderr] error: aborting due to previous error
Dec 19 18:00:43.868 INFO [stderr] 
Dec 19 18:00:43.868 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 19 18:00:43.893 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 19 18:00:43.893 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 18:00:44.176 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 19 18:00:44.176 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 19 18:00:44.176 INFO [stderr]     |
Dec 19 18:00:44.176 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 19 18:00:44.176 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:00:44.176 INFO [stderr]     |
Dec 19 18:00:44.176 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 19 18:00:44.176 INFO [stderr] 
Dec 19 18:00:44.216 INFO [stderr] error: aborting due to previous error
Dec 19 18:00:44.216 INFO [stderr] 
Dec 19 18:00:44.216 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 19 18:00:44.220 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 19 18:00:44.220 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 18:00:56.586 INFO [stderr] error: build failed
Dec 19 18:00:57.113 INFO running `"docker" "inspect" "794fed241d3f544a552edbc3c206ec49a113c947c548280028cd97675b4c00dc"`
Dec 19 18:00:57.346 INFO running `"docker" "rm" "-f" "794fed241d3f544a552edbc3c206ec49a113c947c548280028cd97675b4c00dc"`
Dec 19 18:00:57.442 INFO [stdout] 794fed241d3f544a552edbc3c206ec49a113c947c548280028cd97675b4c00dc