Dec 13 12:01:46.856 INFO testing m-wynn/img_dedup against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 12:01:46.856 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 12:01:47.048 INFO [stdout] 590cb5d2e0371bb6ef6623f1d19f2ead45f2dca26f73970f6fda971c05d19055
Dec 13 12:01:47.050 INFO running `"docker" "start" "-a" "590cb5d2e0371bb6ef6623f1d19f2ead45f2dca26f73970f6fda971c05d19055"`
Dec 13 12:01:47.396 INFO [stderr] usermod: no changes
Dec 13 12:01:47.601 INFO [stderr]    Compiling rustdoc-stripper v0.1.5
Dec 13 12:01:47.601 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 13 12:01:47.602 INFO [stderr]    Compiling fragile v0.3.0
Dec 13 12:01:47.602 INFO [stderr]    Compiling glib-sys v0.7.0
Dec 13 12:01:47.602 INFO [stderr]    Compiling gobject-sys v0.7.0
Dec 13 12:01:47.603 INFO [stderr]    Compiling gio-sys v0.7.0
Dec 13 12:01:47.604 INFO [stderr]    Compiling gdk-pixbuf-sys v0.7.0
Dec 13 12:01:47.605 INFO [stderr]    Compiling pango-sys v0.7.0
Dec 13 12:01:48.596 INFO [stderr]    Compiling cairo-sys-rs v0.7.0
Dec 13 12:01:48.669 INFO [stderr]    Compiling gdk-sys v0.7.0
Dec 13 12:01:48.731 INFO [stderr]    Compiling atk-sys v0.7.0
Dec 13 12:01:48.786 INFO [stderr]    Compiling gtk-sys v0.7.0
Dec 13 12:01:48.909 INFO [stderr]    Compiling chrono v0.4.5
Dec 13 12:01:49.594 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 13 12:01:49.594 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 13 12:01:49.594 INFO [stderr]     |
Dec 13 12:01:49.594 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 13 12:01:49.594 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:01:49.594 INFO [stderr]     |
Dec 13 12:01:49.594 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 13 12:01:49.594 INFO [stderr] 
Dec 13 12:01:49.594 INFO [stderr] error: aborting due to previous error
Dec 13 12:01:49.594 INFO [stderr] 
Dec 13 12:01:49.594 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 13 12:01:49.594 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 13 12:01:49.594 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 13 12:01:51.552 INFO [stderr] error: build failed
Dec 13 12:01:51.554 INFO [stderr] su: No module specific data is present
Dec 13 12:01:52.089 INFO running `"docker" "inspect" "590cb5d2e0371bb6ef6623f1d19f2ead45f2dca26f73970f6fda971c05d19055"`
Dec 13 12:01:52.280 INFO running `"docker" "rm" "-f" "590cb5d2e0371bb6ef6623f1d19f2ead45f2dca26f73970f6fda971c05d19055"`
Dec 13 12:01:52.477 INFO [stdout] 590cb5d2e0371bb6ef6623f1d19f2ead45f2dca26f73970f6fda971c05d19055