Dec 05 14:22:00.252 INFO checking dweet-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 14:22:00.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 05 14:22:00.575 INFO [stdout] 03679b7adb4cbcce1e8259179bcf690df7c5bfc7998bd8dc403a9bff56b00528
Dec 05 14:22:00.580 INFO running `"docker" "start" "-a" "03679b7adb4cbcce1e8259179bcf690df7c5bfc7998bd8dc403a9bff56b00528"`
Dec 05 14:22:01.727 INFO [stderr] usermod: no changes
Dec 05 14:22:01.905 INFO [stderr]     Checking dweet v0.1.0 (/source)
Dec 05 14:22:04.647 INFO [stderr] warning: unused variable: `res`
Dec 05 14:22:04.647 INFO [stderr]   --> src/lib.rs:27:13
Dec 05 14:22:04.647 INFO [stderr]    |
Dec 05 14:22:04.647 INFO [stderr] 27 |         let res = client.post(&url).header(ContentType::json()).body(&json_string).send().unwrap();
Dec 05 14:22:04.647 INFO [stderr]    |             ^^^ help: consider using `_res` instead
Dec 05 14:22:04.647 INFO [stderr]    |
Dec 05 14:22:04.647 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 14:22:04.647 INFO [stderr] 
Dec 05 14:22:04.656 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:22:04.656 INFO [stderr]   --> src/lib.rs:35:9
Dec 05 14:22:04.656 INFO [stderr]    |
Dec 05 14:22:04.656 INFO [stderr] 35 |         res.read_to_string(&mut json_data);
Dec 05 14:22:04.656 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:22:04.656 INFO [stderr]    |
Dec 05 14:22:04.656 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:22:04.656 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:22:04.656 INFO [stderr] 
Dec 05 14:22:04.919 INFO [stderr] warning: unused variable: `res`
Dec 05 14:22:04.919 INFO [stderr]   --> src/lib.rs:27:13
Dec 05 14:22:04.919 INFO [stderr]    |
Dec 05 14:22:04.919 INFO [stderr] 27 |         let res = client.post(&url).header(ContentType::json()).body(&json_string).send().unwrap();
Dec 05 14:22:04.919 INFO [stderr]    |             ^^^ help: consider using `_res` instead
Dec 05 14:22:04.919 INFO [stderr]    |
Dec 05 14:22:04.919 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 14:22:04.919 INFO [stderr] 
Dec 05 14:22:04.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:22:04.926 INFO [stderr]   --> src/lib.rs:35:9
Dec 05 14:22:04.926 INFO [stderr]    |
Dec 05 14:22:04.926 INFO [stderr] 35 |         res.read_to_string(&mut json_data);
Dec 05 14:22:04.926 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:22:04.926 INFO [stderr]    |
Dec 05 14:22:04.926 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:22:04.926 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:22:04.926 INFO [stderr] 
Dec 05 14:22:04.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
Dec 05 14:22:04.968 INFO [stderr] su: No module specific data is present
Dec 05 14:22:06.111 INFO running `"docker" "inspect" "03679b7adb4cbcce1e8259179bcf690df7c5bfc7998bd8dc403a9bff56b00528"`
Dec 05 14:22:06.289 INFO running `"docker" "rm" "-f" "03679b7adb4cbcce1e8259179bcf690df7c5bfc7998bd8dc403a9bff56b00528"`
Dec 05 14:22:06.471 INFO [stdout] 03679b7adb4cbcce1e8259179bcf690df7c5bfc7998bd8dc403a9bff56b00528