Dec 12 00:15:49.061 INFO checking SmilingNavern/rconsole against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:15:49.061 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 00:15:49.470 INFO [stdout] a053a03a8a041c966cd9d19b73110887d4b75fc23cfd4413de11c08e4e3c8876
Dec 12 00:15:49.472 INFO running `"docker" "start" "-a" "a053a03a8a041c966cd9d19b73110887d4b75fc23cfd4413de11c08e4e3c8876"`
Dec 12 00:15:50.804 INFO [stderr] usermod: no changes
Dec 12 00:15:50.896 INFO [stderr]     Checking rconsole v0.1.0 (/source)
Dec 12 00:15:51.388 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:15:51.389 INFO [stderr]   --> src/main.rs:32:9
Dec 12 00:15:51.389 INFO [stderr]    |
Dec 12 00:15:51.389 INFO [stderr] 32 |         sysreq_fh.write(key.as_bytes());
Dec 12 00:15:51.389 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:15:51.389 INFO [stderr]    |
Dec 12 00:15:51.389 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 00:15:51.389 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:15:51.389 INFO [stderr] 
Dec 12 00:15:51.389 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:15:51.389 INFO [stderr]   --> src/main.rs:53:13
Dec 12 00:15:51.389 INFO [stderr]    |
Dec 12 00:15:51.389 INFO [stderr] 53 |             do_sysreq(&mut stream, c.to_lowercase(), sysreq_fh);
Dec 12 00:15:51.389 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:15:51.389 INFO [stderr]    |
Dec 12 00:15:51.389 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:15:51.389 INFO [stderr] 
Dec 12 00:15:51.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:15:51.609 INFO [stderr]   --> src/main.rs:32:9
Dec 12 00:15:51.609 INFO [stderr]    |
Dec 12 00:15:51.609 INFO [stderr] 32 |         sysreq_fh.write(key.as_bytes());
Dec 12 00:15:51.610 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:15:51.610 INFO [stderr]    |
Dec 12 00:15:51.610 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 00:15:51.610 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:15:51.610 INFO [stderr] 
Dec 12 00:15:51.610 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:15:51.610 INFO [stderr]   --> src/main.rs:53:13
Dec 12 00:15:51.610 INFO [stderr]    |
Dec 12 00:15:51.610 INFO [stderr] 53 |             do_sysreq(&mut stream, c.to_lowercase(), sysreq_fh);
Dec 12 00:15:51.610 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:15:51.610 INFO [stderr]    |
Dec 12 00:15:51.610 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:15:51.610 INFO [stderr] 
Dec 12 00:15:51.648 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 12 00:15:51.648 INFO [stderr] su: No module specific data is present
Dec 12 00:15:52.283 INFO running `"docker" "inspect" "a053a03a8a041c966cd9d19b73110887d4b75fc23cfd4413de11c08e4e3c8876"`
Dec 12 00:15:52.640 INFO running `"docker" "rm" "-f" "a053a03a8a041c966cd9d19b73110887d4b75fc23cfd4413de11c08e4e3c8876"`
Dec 12 00:15:52.923 INFO [stdout] a053a03a8a041c966cd9d19b73110887d4b75fc23cfd4413de11c08e4e3c8876