Dec 17 20:19:06.705 INFO checking m-wynn/img_dedup against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:19:06.705 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:19:07.212 INFO [stdout] b213c806c11effe9a2877868c29d3eb6e68d51a0d20b95b010eb13c7b4ce0076
Dec 17 20:19:07.218 INFO running `"docker" "start" "-a" "b213c806c11effe9a2877868c29d3eb6e68d51a0d20b95b010eb13c7b4ce0076"`
Dec 17 20:19:08.772 INFO [stderr]    Compiling rustdoc-stripper v0.1.5
Dec 17 20:19:08.772 INFO [stderr]     Checking fragile v0.3.0
Dec 17 20:19:08.788 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 17 20:19:08.812 INFO [stderr]    Compiling glib-sys v0.7.0
Dec 17 20:19:08.812 INFO [stderr]    Compiling gobject-sys v0.7.0
Dec 17 20:19:08.812 INFO [stderr]    Compiling gio-sys v0.7.0
Dec 17 20:19:08.812 INFO [stderr]    Compiling cairo-sys-rs v0.7.0
Dec 17 20:19:08.812 INFO [stderr]    Compiling pango-sys v0.7.0
Dec 17 20:19:11.336 INFO [stderr]    Compiling gdk-pixbuf-sys v0.7.0
Dec 17 20:19:12.340 INFO [stderr]    Compiling atk-sys v0.7.0
Dec 17 20:19:12.368 INFO [stderr]    Compiling gdk-sys v0.7.0
Dec 17 20:19:12.560 INFO [stderr]    Compiling gtk-sys v0.7.0
Dec 17 20:19:12.604 INFO [stderr]     Checking walkdir v2.2.5
Dec 17 20:19:12.668 INFO [stderr]     Checking chrono v0.4.5
Dec 17 20:19:14.956 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 17 20:19:14.964 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 17 20:19:14.964 INFO [stderr]     |
Dec 17 20:19:14.964 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 17 20:19:14.964 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:19:14.964 INFO [stderr]     |
Dec 17 20:19:14.964 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 17 20:19:14.964 INFO [stderr] 
Dec 17 20:19:15.068 INFO [stderr] error: aborting due to previous error
Dec 17 20:19:15.068 INFO [stderr] 
Dec 17 20:19:15.068 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 17 20:19:15.100 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 17 20:19:15.100 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 17 20:19:16.940 INFO [stderr] error: build failed
Dec 17 20:19:17.222 INFO running `"docker" "inspect" "b213c806c11effe9a2877868c29d3eb6e68d51a0d20b95b010eb13c7b4ce0076"`
Dec 17 20:19:17.334 INFO running `"docker" "rm" "-f" "b213c806c11effe9a2877868c29d3eb6e68d51a0d20b95b010eb13c7b4ce0076"`
Dec 17 20:19:17.480 INFO [stdout] b213c806c11effe9a2877868c29d3eb6e68d51a0d20b95b010eb13c7b4ce0076