Sep 17 16:32:24.389 INFO checking string-interner-0.7.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 16:32:24.389 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 16:32:24.389 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/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 16:32:24.549 INFO blam! 6f28eb4f8b9c219af448c8bde3c235970be3f36d55b9b3187867e9b9d8113c97
Sep 17 16:32:24.551 INFO running `"docker" "start" "-a" "6f28eb4f8b9c219af448c8bde3c235970be3f36d55b9b3187867e9b9d8113c97"`
Sep 17 16:32:25.811 INFO kablam! usermod: no changes
Sep 17 16:32:25.851 INFO kablam!     Checking string-interner v0.7.0 (/source)
Sep 17 16:32:26.166 INFO kablam! warning: unused import: `Symbol`
Sep 17 16:32:26.167 INFO kablam!  --> src/tests.rs:1:66
Sep 17 16:32:26.167 INFO kablam!   |
Sep 17 16:32:26.167 INFO kablam! 1 | use {DefaultStringInterner, InternalStrRef, StringInterner, Sym, Symbol};
Sep 17 16:32:26.167 INFO kablam!   |                                                                  ^^^^^^
Sep 17 16:32:26.167 INFO kablam!   |
Sep 17 16:32:26.167 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 16:32:26.167 INFO kablam! 
Sep 17 16:32:26.662 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Sep 17 16:32:26.667 INFO kablam! su: No module specific data is present
Sep 17 16:32:27.184 INFO running `"docker" "rm" "-f" "6f28eb4f8b9c219af448c8bde3c235970be3f36d55b9b3187867e9b9d8113c97"`
Sep 17 16:32:27.279 INFO blam! 6f28eb4f8b9c219af448c8bde3c235970be3f36d55b9b3187867e9b9d8113c97