Nov 27 18:08:38.417 INFO documenting m-wynn/img_dedup against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 27 18:08:38.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-7/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/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 +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 18:08:38.947 INFO [stdout] b642cbfe52d3631f28adf51347d571786ac288a679f022c34d8422152d4ac2cd
Nov 27 18:08:38.953 INFO running `"docker" "start" "-a" "b642cbfe52d3631f28adf51347d571786ac288a679f022c34d8422152d4ac2cd"`
Nov 27 18:08:39.830 INFO [stderr] usermod: no changes
Nov 27 18:08:40.190 INFO [stderr]    Compiling rustdoc-stripper v0.1.5
Nov 27 18:08:40.194 INFO [stderr]    Compiling proc-macro2 v0.4.13
Nov 27 18:08:40.195 INFO [stderr]     Checking fragile v0.3.0
Nov 27 18:08:40.208 INFO [stderr]    Compiling glib-sys v0.7.0
Nov 27 18:08:40.208 INFO [stderr]    Compiling gobject-sys v0.7.0
Nov 27 18:08:40.212 INFO [stderr]    Compiling gio-sys v0.7.0
Nov 27 18:08:40.212 INFO [stderr]    Compiling pango-sys v0.7.0
Nov 27 18:08:40.212 INFO [stderr]    Compiling cairo-sys-rs v0.7.0
Nov 27 18:08:41.687 INFO [stderr]    Compiling gdk-pixbuf-sys v0.7.0
Nov 27 18:08:41.915 INFO [stderr]    Compiling atk-sys v0.7.0
Nov 27 18:08:42.027 INFO [stderr]    Compiling gdk-sys v0.7.0
Nov 27 18:08:42.055 INFO [stderr]    Compiling gtk-sys v0.7.0
Nov 27 18:08:42.103 INFO [stderr]     Checking walkdir v2.2.5
Nov 27 18:08:44.271 INFO [stderr]     Checking chrono v0.4.5
Nov 27 18:08:45.832 INFO [stderr]    Compiling gtk-rs-lgpl-docs v0.1.6
Nov 27 18:08:46.519 INFO [stderr]    Compiling gio v0.5.0
Nov 27 18:08:46.519 INFO [stderr]    Compiling cairo-rs v0.5.0
Nov 27 18:08:46.519 INFO [stderr]    Compiling gdk-pixbuf v0.5.0
Nov 27 18:08:46.519 INFO [stderr]    Compiling gdk v0.9.0
Nov 27 18:08:46.519 INFO [stderr]    Compiling gtk v0.5.0
Nov 27 18:08:46.551 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Nov 27 18:08:46.551 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Nov 27 18:08:46.551 INFO [stderr]     |
Nov 27 18:08:46.551 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Nov 27 18:08:46.551 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:08:46.551 INFO [stderr]     |
Nov 27 18:08:46.551 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Nov 27 18:08:46.551 INFO [stderr] 
Nov 27 18:08:46.576 INFO [stderr] error: aborting due to previous error
Nov 27 18:08:46.576 INFO [stderr] 
Nov 27 18:08:46.576 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 27 18:08:46.582 INFO [stderr] error: Could not compile `proc-macro2`.
Nov 27 18:08:46.582 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 27 18:08:48.170 INFO [stderr] error: build failed
Nov 27 18:08:48.173 INFO [stderr] su: No module specific data is present
Nov 27 18:08:48.451 INFO running `"docker" "inspect" "b642cbfe52d3631f28adf51347d571786ac288a679f022c34d8422152d4ac2cd"`
Nov 27 18:08:48.626 INFO running `"docker" "rm" "-f" "b642cbfe52d3631f28adf51347d571786ac288a679f022c34d8422152d4ac2cd"`
Nov 27 18:08:48.823 INFO [stdout] b642cbfe52d3631f28adf51347d571786ac288a679f022c34d8422152d4ac2cd