Nov 04 05:08:05.343 INFO checking jeremyBanks/tprime against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 05:08:05.343 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-2/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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"`
Nov 04 05:08:05.731 INFO blam! 4935cfe494d290b8a693b02146b81dadf20c7f137a3bd276eb58e38f423548fd
Nov 04 05:08:05.734 INFO running `"docker" "start" "-a" "4935cfe494d290b8a693b02146b81dadf20c7f137a3bd276eb58e38f423548fd"`
Nov 04 05:08:07.118 INFO kablam! usermod: no changes
Nov 04 05:08:07.169 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 04 05:08:07.312 INFO kablam!    Compiling wasm-bindgen-shared v0.2.15
Nov 04 05:08:07.352 INFO kablam!     Checking rand_core v0.2.1
Nov 04 05:08:07.352 INFO kablam!     Checking web-sys v0.0.1
Nov 04 05:08:07.352 INFO kablam!    Compiling proc-macro2 v0.4.9
Nov 04 05:08:07.367 INFO kablam!    Compiling log v0.4.3
Nov 04 05:08:07.376 INFO kablam!    Compiling serde v1.0.71
Nov 04 05:08:07.377 INFO kablam!     Checking serde_json v1.0.24
Nov 04 05:08:07.378 INFO kablam!    Compiling serdebug v1.0.5
Nov 04 05:08:08.331 INFO kablam!     Checking regex v1.0.2
Nov 04 05:08:10.303 INFO kablam!     Checking rand v0.5.5
Nov 04 05:08:12.662 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Nov 04 05:08:12.662 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Nov 04 05:08:12.662 INFO kablam!     |
Nov 04 05:08:12.662 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Nov 04 05:08:12.662 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:08:12.662 INFO kablam!     |
Nov 04 05:08:12.663 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Nov 04 05:08:12.663 INFO kablam! 
Nov 04 05:08:12.682 INFO kablam! error: aborting due to previous error
Nov 04 05:08:12.682 INFO kablam! 
Nov 04 05:08:12.682 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 04 05:08:12.693 INFO kablam! error: Could not compile `proc-macro2`.
Nov 04 05:08:12.694 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 04 05:08:23.698 INFO kablam! error: build failed
Nov 04 05:08:23.704 INFO kablam! su: No module specific data is present
Nov 04 05:08:24.106 INFO running `"docker" "rm" "-f" "4935cfe494d290b8a693b02146b81dadf20c7f137a3bd276eb58e38f423548fd"`
Nov 04 05:08:24.223 INFO blam! 4935cfe494d290b8a693b02146b81dadf20c7f137a3bd276eb58e38f423548fd