Dec 15 16:26:27.910 INFO testing dweet-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 16:26:27.910 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 15 16:26:28.293 INFO [stdout] 0ae031b74c2769b05cd1c5559c0e81202eeedd0df66f723a73b7fd32ac3aad08
Dec 15 16:26:28.295 INFO running `"docker" "start" "-a" "0ae031b74c2769b05cd1c5559c0e81202eeedd0df66f723a73b7fd32ac3aad08"`
Dec 15 16:26:29.274 INFO [stderr] usermod: no changes
Dec 15 16:26:29.515 INFO [stderr]    Compiling dweet v0.1.0 (/source)
Dec 15 16:26:32.448 INFO [stderr] warning: unused variable: `res`
Dec 15 16:26:32.448 INFO [stderr]   --> src/lib.rs:27:13
Dec 15 16:26:32.448 INFO [stderr]    |
Dec 15 16:26:32.448 INFO [stderr] 27 |         let res = client.post(&url).header(ContentType::json()).body(&json_string).send().unwrap();
Dec 15 16:26:32.448 INFO [stderr]    |             ^^^ help: consider using `_res` instead
Dec 15 16:26:32.448 INFO [stderr]    |
Dec 15 16:26:32.448 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 16:26:32.448 INFO [stderr] 
Dec 15 16:26:32.468 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 16:26:32.468 INFO [stderr]   --> src/lib.rs:35:9
Dec 15 16:26:32.468 INFO [stderr]    |
Dec 15 16:26:32.468 INFO [stderr] 35 |         res.read_to_string(&mut json_data);
Dec 15 16:26:32.468 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:26:32.468 INFO [stderr]    |
Dec 15 16:26:32.468 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 16:26:32.468 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 16:26:32.468 INFO [stderr] 
Dec 15 16:26:32.512 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
Dec 15 16:26:32.525 INFO [stderr] su: No module specific data is present
Dec 15 16:26:33.267 INFO running `"docker" "inspect" "0ae031b74c2769b05cd1c5559c0e81202eeedd0df66f723a73b7fd32ac3aad08"`
Dec 15 16:26:33.511 INFO running `"docker" "rm" "-f" "0ae031b74c2769b05cd1c5559c0e81202eeedd0df66f723a73b7fd32ac3aad08"`
Dec 15 16:26:33.835 INFO [stdout] 0ae031b74c2769b05cd1c5559c0e81202eeedd0df66f723a73b7fd32ac3aad08
Dec 15 16:26:33.839 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 15 16:26:34.318 INFO [stdout] eb4a1b1865cfa32a939a3674fccd0d73bb555110a5b694ef9a230617c8d30c04
Dec 15 16:26:34.321 INFO running `"docker" "start" "-a" "eb4a1b1865cfa32a939a3674fccd0d73bb555110a5b694ef9a230617c8d30c04"`
Dec 15 16:26:35.335 INFO [stderr] usermod: no changes
Dec 15 16:26:35.551 INFO [stderr]    Compiling dweet v0.1.0 (/source)
Dec 15 16:26:38.191 INFO [stderr] warning: unused variable: `res`
Dec 15 16:26:38.191 INFO [stderr]   --> src/lib.rs:27:13
Dec 15 16:26:38.191 INFO [stderr]    |
Dec 15 16:26:38.191 INFO [stderr] 27 |         let res = client.post(&url).header(ContentType::json()).body(&json_string).send().unwrap();
Dec 15 16:26:38.191 INFO [stderr]    |             ^^^ help: consider using `_res` instead
Dec 15 16:26:38.191 INFO [stderr]    |
Dec 15 16:26:38.191 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 16:26:38.191 INFO [stderr] 
Dec 15 16:26:38.210 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 16:26:38.210 INFO [stderr]   --> src/lib.rs:35:9
Dec 15 16:26:38.210 INFO [stderr]    |
Dec 15 16:26:38.210 INFO [stderr] 35 |         res.read_to_string(&mut json_data);
Dec 15 16:26:38.210 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 16:26:38.210 INFO [stderr]    |
Dec 15 16:26:38.210 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 16:26:38.210 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 16:26:38.210 INFO [stderr] 
Dec 15 16:26:38.513 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
Dec 15 16:26:38.531 INFO [stderr] su: No module specific data is present
Dec 15 16:26:38.862 INFO running `"docker" "inspect" "eb4a1b1865cfa32a939a3674fccd0d73bb555110a5b694ef9a230617c8d30c04"`
Dec 15 16:26:38.981 INFO running `"docker" "rm" "-f" "eb4a1b1865cfa32a939a3674fccd0d73bb555110a5b694ef9a230617c8d30c04"`
Dec 15 16:26:39.096 INFO [stdout] eb4a1b1865cfa32a939a3674fccd0d73bb555110a5b694ef9a230617c8d30c04
Dec 15 16:26:39.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 15 16:26:39.345 INFO [stdout] de84f7f079308bd4e73cedc04567b88add39fc3c6376a6361372dfbf6939c1bd
Dec 15 16:26:39.347 INFO running `"docker" "start" "-a" "de84f7f079308bd4e73cedc04567b88add39fc3c6376a6361372dfbf6939c1bd"`
Dec 15 16:26:40.426 INFO [stderr] usermod: no changes
Dec 15 16:26:40.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 15 16:26:40.564 INFO [stderr]      Running /target/debug/deps/dweet-5c4819325c17eb03
Dec 15 16:26:40.567 INFO [stdout] 
Dec 15 16:26:40.567 INFO [stdout] running 0 tests
Dec 15 16:26:40.567 INFO [stdout] 
Dec 15 16:26:40.567 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 16:26:40.567 INFO [stdout] 
Dec 15 16:26:40.567 INFO [stderr]    Doc-tests dweet
Dec 15 16:26:45.390 INFO [stdout] 
Dec 15 16:26:45.391 INFO [stdout] running 0 tests
Dec 15 16:26:45.391 INFO [stdout] 
Dec 15 16:26:45.391 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 16:26:45.391 INFO [stdout] 
Dec 15 16:26:45.402 INFO [stderr] su: No module specific data is present
Dec 15 16:26:45.752 INFO running `"docker" "inspect" "de84f7f079308bd4e73cedc04567b88add39fc3c6376a6361372dfbf6939c1bd"`
Dec 15 16:26:45.967 INFO running `"docker" "rm" "-f" "de84f7f079308bd4e73cedc04567b88add39fc3c6376a6361372dfbf6939c1bd"`
Dec 15 16:26:46.224 INFO [stdout] de84f7f079308bd4e73cedc04567b88add39fc3c6376a6361372dfbf6939c1bd