Dec 11 22:42:50.148 INFO checking amaurymartiny/lowasm against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 22:42:50.148 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 22:42:50.369 INFO [stdout] cc9cd48192b124e5f9d28e4edfa4f32e7f3edf268006ccde5aaa02a45f29f654
Dec 11 22:42:50.374 INFO running `"docker" "start" "-a" "cc9cd48192b124e5f9d28e4edfa4f32e7f3edf268006ccde5aaa02a45f29f654"`
Dec 11 22:42:51.325 INFO [stderr] usermod: no changes
Dec 11 22:42:51.500 INFO [stderr]    Compiling proc-macro2 v0.4.13
Dec 11 22:42:51.500 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.17
Dec 11 22:42:51.501 INFO [stderr]    Compiling ryu v0.2.4
Dec 11 22:42:52.374 INFO [stderr]    Compiling serde_json v1.0.26
Dec 11 22:42:53.764 INFO [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Dec 11 22:42:53.764 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27
Dec 11 22:42:53.764 INFO [stderr]     |
Dec 11 22:42:53.764 INFO [stderr] 359 |             Span::Nightly(proc_macro::Span::def_site())
Dec 11 22:42:53.764 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:42:53.764 INFO [stderr]     |
Dec 11 22:42:53.764 INFO [stderr]     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Dec 11 22:42:53.764 INFO [stderr] 
Dec 11 22:42:53.788 INFO [stderr] error: aborting due to previous error
Dec 11 22:42:53.788 INFO [stderr] 
Dec 11 22:42:53.788 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 11 22:42:53.789 INFO [stderr] error: Could not compile `proc-macro2`.
Dec 11 22:42:53.789 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 22:42:56.707 INFO [stderr] error: build failed
Dec 11 22:42:56.707 INFO [stderr] su: No module specific data is present
Dec 11 22:42:57.217 INFO running `"docker" "inspect" "cc9cd48192b124e5f9d28e4edfa4f32e7f3edf268006ccde5aaa02a45f29f654"`
Dec 11 22:42:57.414 INFO running `"docker" "rm" "-f" "cc9cd48192b124e5f9d28e4edfa4f32e7f3edf268006ccde5aaa02a45f29f654"`
Dec 11 22:42:57.796 INFO [stdout] cc9cd48192b124e5f9d28e4edfa4f32e7f3edf268006ccde5aaa02a45f29f654