Dec 18 01:23:46.281 INFO checking dflemstr/semantic-editor against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:23:46.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:23:46.794 INFO [stdout] cfd28f86f91810452404851555713f595965d13b6971dc3f22126cd6ea167f1d
Dec 18 01:23:46.796 INFO running `"docker" "start" "-a" "cfd28f86f91810452404851555713f595965d13b6971dc3f22126cd6ea167f1d"`
Dec 18 01:23:48.779 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 18 01:23:48.780 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.19
Dec 18 01:23:48.790 INFO [stderr]    Compiling byteorder v1.2.4
Dec 18 01:23:48.790 INFO [stderr]    Compiling termcolor v1.0.1
Dec 18 01:23:48.790 INFO [stderr]    Compiling alloc-no-stdlib v1.3.0
Dec 18 01:23:48.790 INFO [stderr]     Checking slog v2.3.2
Dec 18 01:23:48.790 INFO [stderr]    Compiling bytesize v1.0.0
Dec 18 01:23:48.793 INFO [stderr]    Compiling type-info v0.2.1
Dec 18 01:23:49.704 INFO [stderr]     Checking futures-await-await-macro v0.1.1
Dec 18 01:23:49.952 INFO [stderr]    Compiling iovec v0.1.2
Dec 18 01:23:50.547 INFO [stderr]    Compiling log v0.4.3
Dec 18 01:23:50.547 INFO [stderr]    Compiling brotli-decompressor v1.3.1
Dec 18 01:23:50.547 INFO [stderr]     Checking slog-scope v4.0.1
Dec 18 01:23:50.648 INFO [stderr]    Compiling semantic v0.1.0 (/opt/crater/workdir/semantic)
Dec 18 01:23:50.756 INFO [stderr]    Compiling tempdir v0.3.7
Dec 18 01:23:50.870 INFO [stderr]    Compiling num-traits v0.2.5
Dec 18 01:23:51.004 INFO [stderr]     Checking want v0.0.6
Dec 18 01:23:52.332 INFO [stderr]    Compiling backtrace-sys v0.1.23
Dec 18 01:23:52.356 INFO [stderr]    Compiling bytes v0.4.9
Dec 18 01:23:54.078 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 18 01:23:54.078 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 18 01:23:54.078 INFO [stderr]     |
Dec 18 01:23:54.078 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 18 01:23:54.078 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:23:54.078 INFO [stderr]     |
Dec 18 01:23:54.080 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 18 01:23:54.080 INFO [stderr] 
Dec 18 01:23:54.118 INFO [stderr] error: aborting due to previous error
Dec 18 01:23:54.120 INFO [stderr] 
Dec 18 01:23:54.120 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 01:23:54.136 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 18 01:23:54.136 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 01:23:55.164 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 18 01:23:55.164 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 18 01:23:55.164 INFO [stderr]     |
Dec 18 01:23:55.164 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 18 01:23:55.164 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:23:55.164 INFO [stderr]     |
Dec 18 01:23:55.164 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 18 01:23:55.164 INFO [stderr] 
Dec 18 01:23:55.232 INFO [stderr] error: aborting due to previous error
Dec 18 01:23:55.232 INFO [stderr] 
Dec 18 01:23:55.232 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 01:23:55.260 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 18 01:23:55.260 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 01:23:58.728 INFO [stderr] error: build failed
Dec 18 01:23:59.178 INFO running `"docker" "inspect" "cfd28f86f91810452404851555713f595965d13b6971dc3f22126cd6ea167f1d"`
Dec 18 01:23:59.284 INFO running `"docker" "rm" "-f" "cfd28f86f91810452404851555713f595965d13b6971dc3f22126cd6ea167f1d"`
Dec 18 01:23:59.371 INFO [stdout] cfd28f86f91810452404851555713f595965d13b6971dc3f22126cd6ea167f1d