Sep 14 11:55:54.045 INFO checking perfcnt-0.3.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 11:55:54.045 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 11:55:54.045 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 11:55:54.210 INFO blam! d1ce6f4c4890c72512ca869adfc4fbb34e449cd06f5a7bb109d5ce89755dc968
Sep 14 11:55:54.213 INFO running `"docker" "start" "-a" "d1ce6f4c4890c72512ca869adfc4fbb34e449cd06f5a7bb109d5ce89755dc968"`
Sep 14 11:55:55.120 INFO kablam! usermod: no changes
Sep 14 11:55:55.198 INFO kablam!    Compiling phf_shared v0.7.23
Sep 14 11:55:55.199 INFO kablam!     Checking mmap v0.1.1
Sep 14 11:55:55.201 INFO kablam!    Compiling serde v0.6.15
Sep 14 11:55:55.354 INFO kablam!    Compiling phf_generator v0.7.23
Sep 14 11:55:55.373 INFO kablam!     Checking phf v0.7.23
Sep 14 11:55:55.786 INFO kablam!    Compiling phf_codegen v0.7.23
Sep 14 11:55:58.951 INFO kablam!    Compiling serde_json v0.6.1
Sep 14 11:56:00.127 INFO kablam!    Compiling x86 v0.6.2
Sep 14 11:56:00.737 INFO kablam! error[E0635]: unknown feature `convert`
Sep 14 11:56:00.737 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/x86-0.6.2/build.rs:1:54
Sep 14 11:56:00.737 INFO kablam!   |
Sep 14 11:56:00.737 INFO kablam! 1 | #![cfg_attr(feature = "performance-counter", feature(convert))]
Sep 14 11:56:00.737 INFO kablam!   |                                                      ^^^^^^^
Sep 14 11:56:00.737 INFO kablam! 
Sep 14 11:56:00.746 INFO kablam! error: aborting due to previous error
Sep 14 11:56:00.747 INFO kablam! 
Sep 14 11:56:00.747 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 11:56:00.758 INFO kablam! error: Could not compile `x86`.
Sep 14 11:56:00.758 INFO kablam! 
Sep 14 11:56:00.758 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 11:56:00.760 INFO kablam! su: No module specific data is present
Sep 14 11:56:01.713 INFO running `"docker" "rm" "-f" "d1ce6f4c4890c72512ca869adfc4fbb34e449cd06f5a7bb109d5ce89755dc968"`
Sep 14 11:56:01.795 INFO blam! d1ce6f4c4890c72512ca869adfc4fbb34e449cd06f5a7bb109d5ce89755dc968