Sep 04 03:18:15.762 INFO checking tt-num-0.1.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 03:18:15.762 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 03:18:15.762 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 03:18:15.986 INFO blam! cf864d2e900497824d98ce3862f02fb8331a4a68b4660a6defa50282d464a869
Sep 04 03:18:15.988 INFO running `"docker" "start" "-a" "cf864d2e900497824d98ce3862f02fb8331a4a68b4660a6defa50282d464a869"`
Sep 04 03:18:16.710 INFO kablam!     Checking tt-call v1.0.2
Sep 04 03:18:17.076 INFO kablam!     Checking tt-num v0.1.0 (file:///source)
Sep 04 03:18:17.998 INFO kablam! warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 04 03:18:17.998 INFO kablam!  --> examples/times.rs:1:12
Sep 04 03:18:17.998 INFO kablam!   |
Sep 04 03:18:17.998 INFO kablam! 1 | #![feature(use_extern_macros)]
Sep 04 03:18:17.998 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 04 03:18:17.998 INFO kablam!   |
Sep 04 03:18:17.998 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 03:18:17.998 INFO kablam! 
Sep 04 03:18:18.014 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Sep 04 03:18:18.018 INFO kablam! su: No module specific data is present
Sep 04 03:18:18.467 INFO running `"docker" "rm" "-f" "cf864d2e900497824d98ce3862f02fb8331a4a68b4660a6defa50282d464a869"`
Sep 04 03:18:18.600 INFO blam! cf864d2e900497824d98ce3862f02fb8331a4a68b4660a6defa50282d464a869