Dec 04 23:01:47.513 INFO checking ahamid/rxor against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:01:47.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 23:01:47.996 INFO [stdout] bf484721f0b8adf6e5a5793bbb9fdb00de6c4ad53fe1fb832f33a736f03a4220
Dec 04 23:01:47.998 INFO running `"docker" "start" "-a" "bf484721f0b8adf6e5a5793bbb9fdb00de6c4ad53fe1fb832f33a736f03a4220"`
Dec 04 23:01:49.107 INFO [stderr] usermod: no changes
Dec 04 23:01:49.188 INFO [stderr]     Checking rxor v0.1.0 (/source)
Dec 04 23:01:49.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:01:49.831 INFO [stderr]   --> src/main.rs:26:5
Dec 04 23:01:49.834 INFO [stderr]    |
Dec 04 23:01:49.835 INFO [stderr] 26 |     w.write_all(&[b0 ^ b1]);
Dec 04 23:01:49.835 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:01:49.835 INFO [stderr]    |
Dec 04 23:01:49.835 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 23:01:49.835 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:01:49.835 INFO [stderr] 
Dec 04 23:01:49.835 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:01:49.835 INFO [stderr]   --> src/main.rs:28:3
Dec 04 23:01:49.835 INFO [stderr]    |
Dec 04 23:01:49.835 INFO [stderr] 28 |   w.flush();
Dec 04 23:01:49.835 INFO [stderr]    |   ^^^^^^^^^^
Dec 04 23:01:49.835 INFO [stderr]    |
Dec 04 23:01:49.835 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:01:49.835 INFO [stderr] 
Dec 04 23:01:49.864 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:01:49.864 INFO [stderr]   --> src/main.rs:26:5
Dec 04 23:01:49.864 INFO [stderr]    |
Dec 04 23:01:49.864 INFO [stderr] 26 |     w.write_all(&[b0 ^ b1]);
Dec 04 23:01:49.864 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:01:49.864 INFO [stderr]    |
Dec 04 23:01:49.864 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 23:01:49.864 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:01:49.864 INFO [stderr] 
Dec 04 23:01:49.871 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:01:49.871 INFO [stderr]   --> src/main.rs:28:3
Dec 04 23:01:49.871 INFO [stderr]    |
Dec 04 23:01:49.871 INFO [stderr] 28 |   w.flush();
Dec 04 23:01:49.871 INFO [stderr]    |   ^^^^^^^^^^
Dec 04 23:01:49.871 INFO [stderr]    |
Dec 04 23:01:49.871 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:01:49.871 INFO [stderr] 
Dec 04 23:01:49.891 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 04 23:01:49.893 INFO [stderr] su: No module specific data is present
Dec 04 23:01:50.683 INFO running `"docker" "inspect" "bf484721f0b8adf6e5a5793bbb9fdb00de6c4ad53fe1fb832f33a736f03a4220"`
Dec 04 23:01:51.037 INFO running `"docker" "rm" "-f" "bf484721f0b8adf6e5a5793bbb9fdb00de6c4ad53fe1fb832f33a736f03a4220"`
Dec 04 23:01:51.307 INFO [stdout] bf484721f0b8adf6e5a5793bbb9fdb00de6c4ad53fe1fb832f33a736f03a4220