Sep 10 13:08:54.560 INFO checking perfcnt-0.3.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 13:08:54.560 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 13:08:54.560 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 13:08:54.778 INFO blam! 7c61fa2ca7fad993766b48ffa4a466ff0a7a137f4112c072bef336f8fe59732c
Sep 10 13:08:54.781 INFO running `"docker" "start" "-a" "7c61fa2ca7fad993766b48ffa4a466ff0a7a137f4112c072bef336f8fe59732c"`
Sep 10 13:08:55.543 INFO kablam! usermod: no changes
Sep 10 13:08:55.629 INFO kablam!    Compiling phf_shared v0.7.23
Sep 10 13:08:55.629 INFO kablam!    Compiling csv v0.14.7
Sep 10 13:08:55.629 INFO kablam!     Checking raw-cpuid v2.0.2
Sep 10 13:08:55.631 INFO kablam!    Compiling num-integer v0.1.39
Sep 10 13:08:55.635 INFO kablam!    Compiling num-complex v0.1.43
Sep 10 13:08:55.635 INFO kablam!     Checking mmap v0.1.1
Sep 10 13:08:55.866 INFO kablam!    Compiling phf_generator v0.7.23
Sep 10 13:08:55.881 INFO kablam!     Checking phf v0.7.23
Sep 10 13:08:56.458 INFO kablam!    Compiling phf_codegen v0.7.23
Sep 10 13:08:56.888 INFO kablam!    Compiling num-bigint v0.1.44
Sep 10 13:08:56.888 INFO kablam!    Compiling num-iter v0.1.37
Sep 10 13:09:00.032 INFO kablam!    Compiling num-rational v0.1.42
Sep 10 13:09:01.499 INFO kablam!    Compiling num v0.1.42
Sep 10 13:09:01.726 INFO kablam!    Compiling serde v0.6.15
Sep 10 13:09:04.314 INFO kablam!    Compiling serde_json v0.6.1
Sep 10 13:09:05.412 INFO kablam!    Compiling x86 v0.6.2
Sep 10 13:09:05.991 INFO kablam! error[E0635]: unknown feature `convert`
Sep 10 13:09:05.991 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/x86-0.6.2/build.rs:1:54
Sep 10 13:09:05.991 INFO kablam!   |
Sep 10 13:09:05.991 INFO kablam! 1 | #![cfg_attr(feature = "performance-counter", feature(convert))]
Sep 10 13:09:05.991 INFO kablam!   |                                                      ^^^^^^^
Sep 10 13:09:05.991 INFO kablam! 
Sep 10 13:09:05.999 INFO kablam! error: aborting due to previous error
Sep 10 13:09:05.999 INFO kablam! 
Sep 10 13:09:05.999 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 10 13:09:06.010 INFO kablam! error: Could not compile `x86`.
Sep 10 13:09:06.010 INFO kablam! 
Sep 10 13:09:06.010 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 13:09:06.011 INFO kablam! su: No module specific data is present
Sep 10 13:09:06.713 INFO running `"docker" "rm" "-f" "7c61fa2ca7fad993766b48ffa4a466ff0a7a137f4112c072bef336f8fe59732c"`
Sep 10 13:09:06.786 INFO blam! 7c61fa2ca7fad993766b48ffa4a466ff0a7a137f4112c072bef336f8fe59732c