Sep 10 08:19:09.577 INFO checking string-interner-0.7.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 08:19:09.577 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 08:19:09.577 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 08:19:09.808 INFO blam! d85c081a90be53c1bbebfdbba325fe94c486821570856368e58b2f33571e7ce5
Sep 10 08:19:09.810 INFO running `"docker" "start" "-a" "d85c081a90be53c1bbebfdbba325fe94c486821570856368e58b2f33571e7ce5"`
Sep 10 08:19:10.470 INFO kablam! usermod: no changes
Sep 10 08:19:10.503 INFO kablam!     Checking string-interner v0.7.0 (file:///source)
Sep 10 08:19:10.676 INFO kablam! warning: unused import: `Symbol`
Sep 10 08:19:10.676 INFO kablam!  --> src/tests.rs:1:66
Sep 10 08:19:10.676 INFO kablam!   |
Sep 10 08:19:10.676 INFO kablam! 1 | use {DefaultStringInterner, InternalStrRef, StringInterner, Sym, Symbol};
Sep 10 08:19:10.676 INFO kablam!   |                                                                  ^^^^^^
Sep 10 08:19:10.676 INFO kablam!   |
Sep 10 08:19:10.676 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 08:19:10.676 INFO kablam! 
Sep 10 08:19:11.023 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Sep 10 08:19:11.026 INFO kablam! su: No module specific data is present
Sep 10 08:19:11.562 INFO running `"docker" "rm" "-f" "d85c081a90be53c1bbebfdbba325fe94c486821570856368e58b2f33571e7ce5"`
Sep 10 08:19:11.621 INFO blam! d85c081a90be53c1bbebfdbba325fe94c486821570856368e58b2f33571e7ce5