Oct 13 09:19:27.372 INFO checking rust-gmp-0.5.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 09:19:27.374 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 09:19:27.850 INFO blam! 99547fd19df7345dace1e05c9ce0054d9c312df82173c977e24a13abfb8a8649
Oct 13 09:19:27.851 INFO running `"docker" "start" "-a" "99547fd19df7345dace1e05c9ce0054d9c312df82173c977e24a13abfb8a8649"`
Oct 13 09:19:29.288 INFO kablam! usermod: no changes
Oct 13 09:19:29.376 INFO kablam!     Checking rust-gmp v0.5.0 (/source)
Oct 13 09:19:31.992 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 09:19:31.992 INFO kablam!    --> src/test.rs:101:9
Oct 13 09:19:31.992 INFO kablam!     |
Oct 13 09:19:31.992 INFO kablam! 101 |         x / y;
Oct 13 09:19:31.992 INFO kablam!     |         ^^^^^
Oct 13 09:19:31.992 INFO kablam!     |
Oct 13 09:19:31.992 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 09:19:31.992 INFO kablam! 
Oct 13 09:19:31.992 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 09:19:31.992 INFO kablam!    --> src/test.rs:109:9
Oct 13 09:19:31.992 INFO kablam!     |
Oct 13 09:19:31.992 INFO kablam! 109 |         x % y;
Oct 13 09:19:31.992 INFO kablam!     |         ^^^^^
Oct 13 09:19:31.992 INFO kablam! 
Oct 13 09:19:32.000 INFO kablam! warning: unused comparison which must be used
Oct 13 09:19:32.000 INFO kablam!    --> src/test.rs:316:9
Oct 13 09:19:32.000 INFO kablam!     |
Oct 13 09:19:32.000 INFO kablam! 316 |         Mpz::from_str_radix("1010010011", 2).unwrap().popcount() == 5;
Oct 13 09:19:32.000 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:19:32.000 INFO kablam! 
Oct 13 09:19:32.008 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 09:19:32.008 INFO kablam!    --> src/test.rs:612:9
Oct 13 09:19:32.008 INFO kablam!     |
Oct 13 09:19:32.008 INFO kablam! 612 |         x / y;
Oct 13 09:19:32.008 INFO kablam!     |         ^^^^^
Oct 13 09:19:32.008 INFO kablam! 
Oct 13 09:19:32.011 INFO kablam! warning: unused arithmetic operation which must be used
Oct 13 09:19:32.011 INFO kablam!    --> src/test.rs:701:9
Oct 13 09:19:32.011 INFO kablam!     |
Oct 13 09:19:32.011 INFO kablam! 701 |         &x / &x;
Oct 13 09:19:32.011 INFO kablam!     |         ^^^^^^^
Oct 13 09:19:32.011 INFO kablam! 
Oct 13 09:19:32.040 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Oct 13 09:19:32.069 INFO kablam! su: No module specific data is present
Oct 13 09:19:32.952 INFO running `"docker" "rm" "-f" "99547fd19df7345dace1e05c9ce0054d9c312df82173c977e24a13abfb8a8649"`
Oct 13 09:19:33.298 INFO blam! 99547fd19df7345dace1e05c9ce0054d9c312df82173c977e24a13abfb8a8649