Dec 19 13:17:35.440 INFO checking m-wynn/img_dedup against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:17:35.440 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/m-wynn/img_dedup:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:17:36.110 INFO [stdout] 3a9eb13bbf65d8e08a7799c9f7fb80cbe52b56de5e7af8c0298cb923e7834939
Dec 19 13:17:36.114 INFO running `"docker" "start" "-a" "3a9eb13bbf65d8e08a7799c9f7fb80cbe52b56de5e7af8c0298cb923e7834939"`
Dec 19 13:17:38.263 INFO [stderr]    Compiling rustdoc-stripper v0.1.5
Dec 19 13:17:38.264 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 19 13:17:38.267 INFO [stderr]    Compiling glib-sys v0.7.0
Dec 19 13:17:38.268 INFO [stderr]    Compiling gobject-sys v0.7.0
Dec 19 13:17:38.269 INFO [stderr]    Compiling gio-sys v0.7.0
Dec 19 13:17:38.269 INFO [stderr]    Compiling cairo-sys-rs v0.7.0
Dec 19 13:17:38.269 INFO [stderr]    Compiling pango-sys v0.7.0
Dec 19 13:17:38.269 INFO [stderr]    Compiling gdk-pixbuf-sys v0.7.0
Dec 19 13:17:40.888 INFO [stderr]    Compiling gdk-sys v0.7.0
Dec 19 13:17:41.032 INFO [stderr]    Compiling atk-sys v0.7.0
Dec 19 13:17:41.048 INFO [stderr]    Compiling gtk-sys v0.7.0
Dec 19 13:17:41.465 INFO [stderr]     Checking walkdir v2.2.5
Dec 19 13:17:42.065 INFO [stderr]     Checking chrono v0.4.5
Dec 19 13:17:44.332 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 19 13:17:44.332 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 19 13:17:44.333 INFO [stderr]     |
Dec 19 13:17:44.333 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 19 13:17:44.333 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:17:44.333 INFO [stderr]     |
Dec 19 13:17:44.333 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 19 13:17:44.333 INFO [stderr] 
Dec 19 13:17:44.360 INFO [stderr] error: aborting due to previous error
Dec 19 13:17:44.360 INFO [stderr] 
Dec 19 13:17:44.360 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 19 13:17:44.388 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 19 13:17:44.388 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 13:17:45.388 INFO [stderr] error: build failed
Dec 19 13:17:45.902 INFO running `"docker" "inspect" "3a9eb13bbf65d8e08a7799c9f7fb80cbe52b56de5e7af8c0298cb923e7834939"`
Dec 19 13:17:46.162 INFO running `"docker" "rm" "-f" "3a9eb13bbf65d8e08a7799c9f7fb80cbe52b56de5e7af8c0298cb923e7834939"`
Dec 19 13:17:46.278 INFO [stdout] 3a9eb13bbf65d8e08a7799c9f7fb80cbe52b56de5e7af8c0298cb923e7834939