Aug 11 06:33:20.577 INFO checking perfcnt-0.3.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 06:33:20.577 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 06:33:20.577 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 06:33:20.577 INFO running `"docker" "create" "-v" "/tmp/crater.gVPBeSh91yKZ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-7/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 06:33:20.808 INFO blam! b14dd8d3768b0e583df8791873e9559ea1b4d821b49e949045e5698dcd84bd27
Aug 11 06:33:20.810 INFO running `"docker" "start" "-a" "b14dd8d3768b0e583df8791873e9559ea1b4d821b49e949045e5698dcd84bd27"`
Aug 11 06:33:22.318 INFO kablam!    Compiling phf_shared v0.7.22
Aug 11 06:33:22.318 INFO kablam!     Checking raw-cpuid v2.0.2
Aug 11 06:33:22.319 INFO kablam!    Compiling num-complex v0.1.43
Aug 11 06:33:22.321 INFO kablam!     Checking mmap v0.1.1
Aug 11 06:33:22.322 INFO kablam!    Compiling num-rational v0.1.42
Aug 11 06:33:22.731 INFO kablam!     Checking phf v0.7.22
Aug 11 06:33:22.788 INFO kablam!    Compiling phf_generator v0.7.22
Aug 11 06:33:23.935 INFO kablam!    Compiling phf_codegen v0.7.22
Aug 11 06:33:27.106 INFO kablam!    Compiling num v0.1.42
Aug 11 06:33:27.417 INFO kablam!    Compiling serde v0.6.15
Aug 11 06:33:32.953 INFO kablam!    Compiling serde_json v0.6.1
Aug 11 06:33:36.422 INFO kablam!    Compiling x86 v0.6.2
Aug 11 06:33:37.779 INFO kablam! error[E0635]: unknown feature `convert`
Aug 11 06:33:37.779 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/x86-0.6.2/build.rs:1:54
Aug 11 06:33:37.779 INFO kablam!   |
Aug 11 06:33:37.779 INFO kablam! 1 | #![cfg_attr(feature = "performance-counter", feature(convert))]
Aug 11 06:33:37.779 INFO kablam!   |                                                      ^^^^^^^
Aug 11 06:33:37.779 INFO kablam! 
Aug 11 06:33:37.790 INFO kablam! error: aborting due to previous error
Aug 11 06:33:37.790 INFO kablam! 
Aug 11 06:33:37.790 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 06:33:37.802 INFO kablam! error: Could not compile `x86`.
Aug 11 06:33:37.802 INFO kablam! 
Aug 11 06:33:37.802 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 06:33:37.805 INFO kablam! su: No module specific data is present
Aug 11 06:33:38.586 INFO running `"docker" "rm" "-f" "b14dd8d3768b0e583df8791873e9559ea1b4d821b49e949045e5698dcd84bd27"`
Aug 11 06:33:38.743 INFO blam! b14dd8d3768b0e583df8791873e9559ea1b4d821b49e949045e5698dcd84bd27