Dec 19 13:17:33.641 INFO checking m-wynn/img_dedup against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:17:33.641 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/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:17:34.241 INFO [stdout] 37ead92dd1ed5dcd37c265290ab6a85bc8aa1e92ef639dd7ac383bf92abd8f26
Dec 19 13:17:34.243 INFO running `"docker" "start" "-a" "37ead92dd1ed5dcd37c265290ab6a85bc8aa1e92ef639dd7ac383bf92abd8f26"`
Dec 19 13:17:35.916 INFO [stderr]    Compiling rustdoc-stripper v0.1.5
Dec 19 13:17:35.921 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 19 13:17:35.942 INFO [stderr]    Compiling glib-sys v0.7.0
Dec 19 13:17:35.943 INFO [stderr]    Compiling gobject-sys v0.7.0
Dec 19 13:17:35.943 INFO [stderr]    Compiling gio-sys v0.7.0
Dec 19 13:17:35.943 INFO [stderr]    Compiling cairo-sys-rs v0.7.0
Dec 19 13:17:35.943 INFO [stderr]    Compiling gdk-pixbuf-sys v0.7.0
Dec 19 13:17:35.943 INFO [stderr]    Compiling pango-sys v0.7.0
Dec 19 13:17:38.348 INFO [stderr]    Compiling gdk-sys v0.7.0
Dec 19 13:17:38.669 INFO [stderr]    Compiling atk-sys v0.7.0
Dec 19 13:17:38.707 INFO [stderr]    Compiling gtk-sys v0.7.0
Dec 19 13:17:38.992 INFO [stderr]    Compiling backtrace-sys v0.1.24
Dec 19 13:17:39.524 INFO [stderr]     Checking term v0.5.1
Dec 19 13:17:39.676 INFO [stderr]     Checking chrono v0.4.5
Dec 19 13:17:42.631 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 19 13:17:42.632 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 19 13:17:42.632 INFO [stderr]     |
Dec 19 13:17:42.632 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 19 13:17:42.633 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:17:42.633 INFO [stderr]     |
Dec 19 13:17:42.633 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 19 13:17:42.634 INFO [stderr] 
Dec 19 13:17:42.655 INFO [stderr] error: aborting due to previous error
Dec 19 13:17:42.656 INFO [stderr] 
Dec 19 13:17:42.656 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 19 13:17:42.665 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 19 13:17:42.665 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 13:17:44.120 INFO [stderr] error: build failed
Dec 19 13:17:44.686 INFO running `"docker" "inspect" "37ead92dd1ed5dcd37c265290ab6a85bc8aa1e92ef639dd7ac383bf92abd8f26"`
Dec 19 13:17:44.775 INFO running `"docker" "rm" "-f" "37ead92dd1ed5dcd37c265290ab6a85bc8aa1e92ef639dd7ac383bf92abd8f26"`
Dec 19 13:17:44.892 INFO [stdout] 37ead92dd1ed5dcd37c265290ab6a85bc8aa1e92ef639dd7ac383bf92abd8f26