Dec 11 14:21:24.866 INFO checking m-wynn/img_dedup against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 14:21:24.866 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 14:21:25.289 INFO [stdout] f7238f3b7cb458dd8aa1b3172932b434bf0ce8658958776d6f70d70f2fd41532
Dec 11 14:21:25.296 INFO running `"docker" "start" "-a" "f7238f3b7cb458dd8aa1b3172932b434bf0ce8658958776d6f70d70f2fd41532"`
Dec 11 14:21:26.164 INFO [stderr] usermod: no changes
Dec 11 14:21:26.416 INFO [stderr]    Compiling rustdoc-stripper v0.1.5
Dec 11 14:21:26.419 INFO [stderr]    Compiling glib-sys v0.7.0
Dec 11 14:21:26.419 INFO [stderr]    Compiling gobject-sys v0.7.0
Dec 11 14:21:26.419 INFO [stderr]    Compiling gio-sys v0.7.0
Dec 11 14:21:26.419 INFO [stderr]    Compiling gdk-pixbuf-sys v0.7.0
Dec 11 14:21:26.423 INFO [stderr]    Compiling pango-sys v0.7.0
Dec 11 14:21:26.423 INFO [stderr]    Compiling cairo-sys-rs v0.7.0
Dec 11 14:21:26.423 INFO [stderr]    Compiling atk-sys v0.7.0
Dec 11 14:21:28.780 INFO [stderr]    Compiling gdk-sys v0.7.0
Dec 11 14:21:28.781 INFO [stderr]    Compiling gtk-sys v0.7.0
Dec 11 14:21:28.851 INFO [stderr]     Checking walkdir v2.2.5
Dec 11 14:21:29.076 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 11 14:21:29.379 INFO [stderr]     Checking chrono v0.4.5
Dec 11 14:21:29.560 INFO [stderr]     Checking backtrace v0.3.9
Dec 11 14:21:30.953 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 11 14:21:30.953 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 11 14:21:30.953 INFO [stderr]     |
Dec 11 14:21:30.953 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 11 14:21:30.953 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:21:30.953 INFO [stderr]     |
Dec 11 14:21:30.953 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 11 14:21:30.953 INFO [stderr] 
Dec 11 14:21:31.096 INFO [stderr] error: aborting due to previous error
Dec 11 14:21:31.096 INFO [stderr] 
Dec 11 14:21:31.096 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 11 14:21:31.172 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 11 14:21:31.172 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 14:21:33.129 INFO [stderr] error: build failed
Dec 11 14:21:33.141 INFO [stderr] su: No module specific data is present
Dec 11 14:21:33.440 INFO running `"docker" "inspect" "f7238f3b7cb458dd8aa1b3172932b434bf0ce8658958776d6f70d70f2fd41532"`
Dec 11 14:21:33.504 INFO running `"docker" "rm" "-f" "f7238f3b7cb458dd8aa1b3172932b434bf0ce8658958776d6f70d70f2fd41532"`
Dec 11 14:21:33.616 INFO [stdout] f7238f3b7cb458dd8aa1b3172932b434bf0ce8658958776d6f70d70f2fd41532