Dec 13 12:01:48.675 INFO testing m-wynn/img_dedup against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 12:01:48.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 12:01:49.285 INFO [stdout] f5dbe3e79fb28e74253ea0046bfd9a9e6fc5fce7f77d0f8e2386cb2f6cc75e8a
Dec 13 12:01:49.287 INFO running `"docker" "start" "-a" "f5dbe3e79fb28e74253ea0046bfd9a9e6fc5fce7f77d0f8e2386cb2f6cc75e8a"`
Dec 13 12:01:50.250 INFO [stderr] usermod: no changes
Dec 13 12:01:50.507 INFO [stderr]    Compiling rustdoc-stripper v0.1.5
Dec 13 12:01:50.507 INFO [stderr]    Compiling fragile v0.3.0
Dec 13 12:01:50.507 INFO [stderr]    Compiling glib-sys v0.7.0
Dec 13 12:01:50.507 INFO [stderr]    Compiling gobject-sys v0.7.0
Dec 13 12:01:50.507 INFO [stderr]    Compiling gio-sys v0.7.0
Dec 13 12:01:50.507 INFO [stderr]    Compiling pango-sys v0.7.0
Dec 13 12:01:50.507 INFO [stderr]    Compiling cairo-sys-rs v0.7.0
Dec 13 12:01:50.507 INFO [stderr]    Compiling gdk-pixbuf-sys v0.7.0
Dec 13 12:01:51.635 INFO [stderr]    Compiling atk-sys v0.7.0
Dec 13 12:01:51.635 INFO [stderr]    Compiling gdk-sys v0.7.0
Dec 13 12:01:51.639 INFO [stderr]    Compiling gtk-sys v0.7.0
Dec 13 12:01:51.657 INFO [stderr]    Compiling backtrace-sys v0.1.24
Dec 13 12:01:51.678 INFO [stderr]    Compiling term v0.5.1
Dec 13 12:01:51.689 INFO [stderr]    Compiling walkdir v2.2.5
Dec 13 12:01:53.944 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 13 12:01:54.121 INFO [stderr]    Compiling gtk-rs-lgpl-docs v0.1.6
Dec 13 12:01:54.122 INFO [stderr]    Compiling chrono v0.4.5
Dec 13 12:01:54.124 INFO [stderr]    Compiling png v0.12.0
Dec 13 12:01:54.479 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 13 12:01:54.900 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 13 12:01:54.900 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 13 12:01:54.900 INFO [stderr]     |
Dec 13 12:01:54.900 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 13 12:01:54.900 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:01:54.900 INFO [stderr]     |
Dec 13 12:01:54.900 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 13 12:01:54.900 INFO [stderr] 
Dec 13 12:01:54.932 INFO [stderr] error: aborting due to previous error
Dec 13 12:01:54.932 INFO [stderr] 
Dec 13 12:01:54.932 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 13 12:01:54.932 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 13 12:01:54.932 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 13 12:01:58.086 INFO [stderr] error: build failed
Dec 13 12:01:58.089 INFO [stderr] su: No module specific data is present
Dec 13 12:01:58.714 INFO running `"docker" "inspect" "f5dbe3e79fb28e74253ea0046bfd9a9e6fc5fce7f77d0f8e2386cb2f6cc75e8a"`
Dec 13 12:01:58.785 INFO running `"docker" "rm" "-f" "f5dbe3e79fb28e74253ea0046bfd9a9e6fc5fce7f77d0f8e2386cb2f6cc75e8a"`
Dec 13 12:01:58.857 INFO [stdout] f5dbe3e79fb28e74253ea0046bfd9a9e6fc5fce7f77d0f8e2386cb2f6cc75e8a