Sep 17 17:32:57.877 INFO checking serde_yaml-0.7.5 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 17:32:57.877 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 17:32:57.877 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 17:32:58.056 INFO blam! f65588da821abeee10138e34fff6b3476faa7b009b240d8ca63948a82c985d47
Sep 17 17:32:58.059 INFO running `"docker" "start" "-a" "f65588da821abeee10138e34fff6b3476faa7b009b240d8ca63948a82c985d47"`
Sep 17 17:32:58.714 INFO kablam! usermod: no changes
Sep 17 17:32:58.808 INFO kablam!     Checking unicode-xid v0.0.4
Sep 17 17:32:58.810 INFO kablam!     Checking quote v0.3.15
Sep 17 17:32:58.810 INFO kablam!     Checking unindent v0.1.3
Sep 17 17:32:58.812 INFO kablam!     Checking pulldown-cmark v0.1.2
Sep 17 17:32:58.813 INFO kablam!     Checking serde_yaml v0.7.5 (/source)
Sep 17 17:32:58.998 INFO kablam!     Checking synom v0.11.3
Sep 17 17:32:59.423 INFO kablam!     Checking syn v0.11.11
Sep 17 17:33:03.632 INFO kablam!     Checking version-sync v0.5.0
Sep 17 17:33:05.967 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
Sep 17 17:33:05.976 INFO kablam! su: No module specific data is present
Sep 17 17:33:06.646 INFO running `"docker" "rm" "-f" "f65588da821abeee10138e34fff6b3476faa7b009b240d8ca63948a82c985d47"`
Sep 17 17:33:06.780 INFO blam! f65588da821abeee10138e34fff6b3476faa7b009b240d8ca63948a82c985d47