Sep 19 17:40:24.819 INFO checking workerpool-1.1.1 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 17:40:24.819 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 17:40:24.819 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:40:25.107 INFO blam! a22221990aeda1fae2ee7875c5d0ea7e5fe3ac83c38a486f3f9244fd69c3f59c
Sep 19 17:40:25.110 INFO running `"docker" "start" "-a" "a22221990aeda1fae2ee7875c5d0ea7e5fe3ac83c38a486f3f9244fd69c3f59c"`
Sep 19 17:40:26.240 INFO kablam! usermod: no changes
Sep 19 17:40:26.312 INFO kablam!     Checking workerpool v1.1.1 (/source)
Sep 19 17:40:27.072 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 17:40:27.072 INFO kablam!     --> src/lib.rs:1070:46
Sep 19 17:40:27.072 INFO kablam!      |
Sep 19 17:40:27.072 INFO kablam! 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
Sep 19 17:40:27.072 INFO kablam!      |                                              ^^^^^
Sep 19 17:40:27.072 INFO kablam!      |
Sep 19 17:40:27.072 INFO kablam!      = note: #[warn(unused_must_use)] on by default
Sep 19 17:40:27.072 INFO kablam! 
Sep 19 17:40:27.085 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Sep 19 17:40:27.086 INFO kablam! su: No module specific data is present
Sep 19 17:40:27.699 INFO running `"docker" "rm" "-f" "a22221990aeda1fae2ee7875c5d0ea7e5fe3ac83c38a486f3f9244fd69c3f59c"`
Sep 19 17:40:27.777 INFO blam! a22221990aeda1fae2ee7875c5d0ea7e5fe3ac83c38a486f3f9244fd69c3f59c