Nov 02 12:44:19.521 INFO checking jeremyBanks/tprime against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 12:44:19.523 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 02 12:44:19.901 INFO blam! 67a07e1fd30284c28521311253b207c58b398b5a44ed39e4ee4cb11f15025bbc
Nov 02 12:44:19.903 INFO running `"docker" "start" "-a" "67a07e1fd30284c28521311253b207c58b398b5a44ed39e4ee4cb11f15025bbc"`
Nov 02 12:44:22.485 INFO kablam! usermod: no changes
Nov 02 12:44:22.544 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 02 12:44:22.704 INFO kablam!    Compiling wasm-bindgen-shared v0.2.15
Nov 02 12:44:22.715 INFO kablam!     Checking web-sys v0.0.1
Nov 02 12:44:22.717 INFO kablam!    Compiling proc-macro2 v0.4.9
Nov 02 12:44:22.772 INFO kablam!    Compiling serde v1.0.71
Nov 02 12:44:22.780 INFO kablam!    Compiling serdebug v1.0.5
Nov 02 12:44:22.813 INFO kablam!     Checking env_logger v0.5.12
Nov 02 12:44:28.868 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_def_site' (see issue #54724)
Nov 02 12:44:28.868 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
Nov 02 12:44:28.868 INFO kablam!     |
Nov 02 12:44:28.868 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Nov 02 12:44:28.868 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:44:28.868 INFO kablam!     |
Nov 02 12:44:28.868 INFO kablam!     = help: add #![feature(proc_macro_def_site)] to the crate attributes to enable
Nov 02 12:44:28.868 INFO kablam! 
Nov 02 12:44:28.884 INFO kablam! error: aborting due to previous error
Nov 02 12:44:28.884 INFO kablam! 
Nov 02 12:44:28.884 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 02 12:44:28.896 INFO kablam! error: Could not compile `proc-macro2`.
Nov 02 12:44:28.896 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 02 12:44:39.082 INFO kablam! error: build failed
Nov 02 12:44:39.088 INFO kablam! su: No module specific data is present
Nov 02 12:44:39.964 INFO running `"docker" "rm" "-f" "67a07e1fd30284c28521311253b207c58b398b5a44ed39e4ee4cb11f15025bbc"`
Nov 02 12:44:40.224 INFO blam! 67a07e1fd30284c28521311253b207c58b398b5a44ed39e4ee4cb11f15025bbc