Sep 04 01:35:32.850 INFO checking workerpool-1.1.1 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 01:35:32.850 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 01:35:32.850 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/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 01:35:33.001 INFO blam! 2c322fd7fb2ea2b44b9aa8634b499ec7ae309481710d6400d4e04873941419b3
Sep 04 01:35:33.003 INFO running `"docker" "start" "-a" "2c322fd7fb2ea2b44b9aa8634b499ec7ae309481710d6400d4e04873941419b3"`
Sep 04 01:35:33.597 INFO kablam!     Checking workerpool v1.1.1 (file:///source)
Sep 04 01:35:34.521 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 01:35:34.521 INFO kablam!     --> src/lib.rs:1070:46
Sep 04 01:35:34.521 INFO kablam!      |
Sep 04 01:35:34.521 INFO kablam! 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
Sep 04 01:35:34.521 INFO kablam!      |                                              ^^^^^
Sep 04 01:35:34.521 INFO kablam!      |
Sep 04 01:35:34.522 INFO kablam!      = note: #[warn(unused_must_use)] on by default
Sep 04 01:35:34.522 INFO kablam! 
Sep 04 01:35:34.544 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Sep 04 01:35:34.547 INFO kablam! su: No module specific data is present
Sep 04 01:35:34.885 INFO running `"docker" "rm" "-f" "2c322fd7fb2ea2b44b9aa8634b499ec7ae309481710d6400d4e04873941419b3"`
Sep 04 01:35:35.004 INFO blam! 2c322fd7fb2ea2b44b9aa8634b499ec7ae309481710d6400d4e04873941419b3