Dec 05 14:22:00.188 INFO checking dweet-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 14:22:00.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 14:22:00.539 INFO [stdout] f5fffc913cd9ee1a1d4d27bbcef5c59c89bc3d8f72b6a67e4c8840f4a279ed9c
Dec 05 14:22:00.541 INFO running `"docker" "start" "-a" "f5fffc913cd9ee1a1d4d27bbcef5c59c89bc3d8f72b6a67e4c8840f4a279ed9c"`
Dec 05 14:22:01.809 INFO [stderr] usermod: no changes
Dec 05 14:22:01.959 INFO [stderr]     Checking language-tags v0.0.7
Dec 05 14:22:01.975 INFO [stderr]     Checking cookie v0.1.21
Dec 05 14:22:03.577 INFO [stderr]     Checking hyper v0.6.16
Dec 05 14:22:08.288 INFO [stderr]     Checking dweet v0.1.0 (/source)
Dec 05 14:22:12.555 INFO [stderr] warning: unused variable: `res`
Dec 05 14:22:12.556 INFO [stderr]   --> src/lib.rs:27:13
Dec 05 14:22:12.556 INFO [stderr]    |
Dec 05 14:22:12.556 INFO [stderr] 27 |         let res = client.post(&url).header(ContentType::json()).body(&json_string).send().unwrap();
Dec 05 14:22:12.556 INFO [stderr]    |             ^^^ help: consider using `_res` instead
Dec 05 14:22:12.557 INFO [stderr]    |
Dec 05 14:22:12.557 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 14:22:12.557 INFO [stderr] 
Dec 05 14:22:12.590 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:22:12.590 INFO [stderr]   --> src/lib.rs:35:9
Dec 05 14:22:12.591 INFO [stderr]    |
Dec 05 14:22:12.591 INFO [stderr] 35 |         res.read_to_string(&mut json_data);
Dec 05 14:22:12.591 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:22:12.591 INFO [stderr]    |
Dec 05 14:22:12.592 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:22:12.592 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:22:12.592 INFO [stderr] 
Dec 05 14:22:12.927 INFO [stderr] warning: unused variable: `res`
Dec 05 14:22:12.928 INFO [stderr]   --> src/lib.rs:27:13
Dec 05 14:22:12.928 INFO [stderr]    |
Dec 05 14:22:12.928 INFO [stderr] 27 |         let res = client.post(&url).header(ContentType::json()).body(&json_string).send().unwrap();
Dec 05 14:22:12.928 INFO [stderr]    |             ^^^ help: consider using `_res` instead
Dec 05 14:22:12.928 INFO [stderr]    |
Dec 05 14:22:12.928 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 14:22:12.928 INFO [stderr] 
Dec 05 14:22:12.943 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:22:12.943 INFO [stderr]   --> src/lib.rs:35:9
Dec 05 14:22:12.943 INFO [stderr]    |
Dec 05 14:22:12.943 INFO [stderr] 35 |         res.read_to_string(&mut json_data);
Dec 05 14:22:12.943 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:22:12.943 INFO [stderr]    |
Dec 05 14:22:12.943 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:22:12.944 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:22:12.944 INFO [stderr] 
Dec 05 14:22:12.983 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.15s
Dec 05 14:22:12.999 INFO [stderr] su: No module specific data is present
Dec 05 14:22:14.185 INFO running `"docker" "inspect" "f5fffc913cd9ee1a1d4d27bbcef5c59c89bc3d8f72b6a67e4c8840f4a279ed9c"`
Dec 05 14:22:14.515 INFO running `"docker" "rm" "-f" "f5fffc913cd9ee1a1d4d27bbcef5c59c89bc3d8f72b6a67e4c8840f4a279ed9c"`
Dec 05 14:22:14.675 INFO [stdout] f5fffc913cd9ee1a1d4d27bbcef5c59c89bc3d8f72b6a67e4c8840f4a279ed9c