Sep 04 04:49:45.987 INFO checking string-interner-0.7.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 04:49:45.987 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 04:49:45.987 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 04:49:46.203 INFO blam! c43df0caa549f0f8bdbc4c4df9d7ad9d0d1655e696023cc4a1a35dcdb0b1c58d
Sep 04 04:49:46.204 INFO running `"docker" "start" "-a" "c43df0caa549f0f8bdbc4c4df9d7ad9d0d1655e696023cc4a1a35dcdb0b1c58d"`
Sep 04 04:49:46.768 INFO kablam!     Checking string-interner v0.7.0 (file:///source)
Sep 04 04:49:47.178 INFO kablam! warning: unused import: `Symbol`
Sep 04 04:49:47.179 INFO kablam!  --> src/tests.rs:1:66
Sep 04 04:49:47.179 INFO kablam!   |
Sep 04 04:49:47.179 INFO kablam! 1 | use {DefaultStringInterner, InternalStrRef, StringInterner, Sym, Symbol};
Sep 04 04:49:47.179 INFO kablam!   |                                                                  ^^^^^^
Sep 04 04:49:47.179 INFO kablam!   |
Sep 04 04:49:47.179 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 04:49:47.179 INFO kablam! 
Sep 04 04:49:47.864 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Sep 04 04:49:47.867 INFO kablam! su: No module specific data is present
Sep 04 04:49:48.420 INFO running `"docker" "rm" "-f" "c43df0caa549f0f8bdbc4c4df9d7ad9d0d1655e696023cc4a1a35dcdb0b1c58d"`
Sep 04 04:49:48.509 INFO blam! c43df0caa549f0f8bdbc4c4df9d7ad9d0d1655e696023cc4a1a35dcdb0b1c58d