Nov 28 09:56:44.505 INFO checking ahamid/rxor against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 09:56:44.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 09:56:44.997 INFO [stdout] 3e751c3e8ed2af8063a15919976d1e6e1bed904744d0ac58256e98a0952c102b
Nov 28 09:56:45.000 INFO running `"docker" "start" "-a" "3e751c3e8ed2af8063a15919976d1e6e1bed904744d0ac58256e98a0952c102b"`
Nov 28 09:56:46.129 INFO [stderr] usermod: no changes
Nov 28 09:56:46.200 INFO [stderr]     Checking rxor v0.1.0 (/source)
Nov 28 09:56:46.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:56:46.608 INFO [stderr]   --> src/main.rs:26:5
Nov 28 09:56:46.608 INFO [stderr]    |
Nov 28 09:56:46.608 INFO [stderr] 26 |     w.write_all(&[b0 ^ b1]);
Nov 28 09:56:46.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:56:46.608 INFO [stderr]    |
Nov 28 09:56:46.608 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 09:56:46.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:56:46.608 INFO [stderr] 
Nov 28 09:56:46.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:56:46.608 INFO [stderr]   --> src/main.rs:28:3
Nov 28 09:56:46.608 INFO [stderr]    |
Nov 28 09:56:46.608 INFO [stderr] 28 |   w.flush();
Nov 28 09:56:46.608 INFO [stderr]    |   ^^^^^^^^^^
Nov 28 09:56:46.608 INFO [stderr]    |
Nov 28 09:56:46.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:56:46.608 INFO [stderr] 
Nov 28 09:56:46.916 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:56:46.916 INFO [stderr]   --> src/main.rs:26:5
Nov 28 09:56:46.916 INFO [stderr]    |
Nov 28 09:56:46.916 INFO [stderr] 26 |     w.write_all(&[b0 ^ b1]);
Nov 28 09:56:46.916 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:56:46.916 INFO [stderr]    |
Nov 28 09:56:46.916 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 09:56:46.916 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:56:46.916 INFO [stderr] 
Nov 28 09:56:46.916 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 09:56:46.916 INFO [stderr]   --> src/main.rs:28:3
Nov 28 09:56:46.916 INFO [stderr]    |
Nov 28 09:56:46.916 INFO [stderr] 28 |   w.flush();
Nov 28 09:56:46.916 INFO [stderr]    |   ^^^^^^^^^^
Nov 28 09:56:46.916 INFO [stderr]    |
Nov 28 09:56:46.916 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 09:56:46.916 INFO [stderr] 
Nov 28 09:56:46.947 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Nov 28 09:56:46.950 INFO [stderr] su: No module specific data is present
Nov 28 09:56:47.880 INFO running `"docker" "inspect" "3e751c3e8ed2af8063a15919976d1e6e1bed904744d0ac58256e98a0952c102b"`
Nov 28 09:56:48.230 INFO running `"docker" "rm" "-f" "3e751c3e8ed2af8063a15919976d1e6e1bed904744d0ac58256e98a0952c102b"`
Nov 28 09:56:48.444 INFO [stdout] 3e751c3e8ed2af8063a15919976d1e6e1bed904744d0ac58256e98a0952c102b