Sep 04 01:29:57.468 INFO checking string-interner-0.7.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 01:29:57.469 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 01:29:57.469 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 01:29:57.642 INFO blam! 3195d938ba7b1a34aea6134c488e4290d7aceb026ffd049b3a1c4a6b318383ca
Sep 04 01:29:57.648 INFO running `"docker" "start" "-a" "3195d938ba7b1a34aea6134c488e4290d7aceb026ffd049b3a1c4a6b318383ca"`
Sep 04 01:29:58.324 INFO kablam!     Checking string-interner v0.7.0 (file:///source)
Sep 04 01:29:58.903 INFO kablam! warning: unused import: `Symbol`
Sep 04 01:29:58.904 INFO kablam!  --> src/tests.rs:1:66
Sep 04 01:29:58.904 INFO kablam!   |
Sep 04 01:29:58.904 INFO kablam! 1 | use {DefaultStringInterner, InternalStrRef, StringInterner, Sym, Symbol};
Sep 04 01:29:58.904 INFO kablam!   |                                                                  ^^^^^^
Sep 04 01:29:58.904 INFO kablam!   |
Sep 04 01:29:58.904 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 01:29:58.904 INFO kablam! 
Sep 04 01:29:59.654 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Sep 04 01:29:59.657 INFO kablam! su: No module specific data is present
Sep 04 01:30:00.065 INFO running `"docker" "rm" "-f" "3195d938ba7b1a34aea6134c488e4290d7aceb026ffd049b3a1c4a6b318383ca"`
Sep 04 01:30:00.162 INFO blam! 3195d938ba7b1a34aea6134c488e4290d7aceb026ffd049b3a1c4a6b318383ca