Dec 15 15:17:01.667 INFO testing fahrenheit-4.5.2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 15:17:01.667 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15:17:01.951 INFO [stdout] ccef769254f4017b259cbd416e7a62ef5d0f4d7af29fefbfc995f3ce77b9cc3e
Dec 15 15:17:01.953 INFO running `"docker" "start" "-a" "ccef769254f4017b259cbd416e7a62ef5d0f4d7af29fefbfc995f3ce77b9cc3e"`
Dec 15 15:17:02.447 INFO [stderr] usermod: no changes
Dec 15 15:17:02.477 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 15 15:17:02.578 INFO [stderr]    Compiling futures-core-preview v0.3.0-alpha.10
Dec 15 15:17:03.663 INFO [stderr]    Compiling futures-channel-preview v0.3.0-alpha.10
Dec 15 15:17:03.663 INFO [stderr]    Compiling futures-io-preview v0.3.0-alpha.10
Dec 15 15:17:04.927 INFO [stderr]    Compiling futures-sink-preview v0.3.0-alpha.10
Dec 15 15:17:05.819 INFO [stderr]    Compiling futures-util-preview v0.3.0-alpha.10
Dec 15 15:17:10.526 INFO [stderr]    Compiling futures-executor-preview v0.3.0-alpha.10
Dec 15 15:17:13.586 INFO [stderr]    Compiling futures-preview v0.3.0-alpha.10
Dec 15 15:17:15.231 INFO [stderr]    Compiling fahrenheit v4.5.2 (/source)
Dec 15 15:17:19.148 INFO [stderr] warning: method is never used: `handle`
Dec 15 15:17:19.148 INFO [stderr]    --> src/lib.rs:117:5
Dec 15 15:17:19.148 INFO [stderr]     |
Dec 15 15:17:19.148 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Dec 15 15:17:19.148 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:17:19.148 INFO [stderr]     |
Dec 15 15:17:19.148 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 15 15:17:19.148 INFO [stderr] 
Dec 15 15:17:20.142 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.65s
Dec 15 15:17:20.142 INFO [stderr] su: No module specific data is present
Dec 15 15:17:20.831 INFO running `"docker" "inspect" "ccef769254f4017b259cbd416e7a62ef5d0f4d7af29fefbfc995f3ce77b9cc3e"`
Dec 15 15:17:21.163 INFO running `"docker" "rm" "-f" "ccef769254f4017b259cbd416e7a62ef5d0f4d7af29fefbfc995f3ce77b9cc3e"`
Dec 15 15:17:21.499 INFO [stdout] ccef769254f4017b259cbd416e7a62ef5d0f4d7af29fefbfc995f3ce77b9cc3e
Dec 15 15:17:21.507 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15:17:21.895 INFO [stdout] 2bd05e5be7760881f30c960c191f154870e8802fc805eda538d949dcf6d26905
Dec 15 15:17:21.900 INFO running `"docker" "start" "-a" "2bd05e5be7760881f30c960c191f154870e8802fc805eda538d949dcf6d26905"`
Dec 15 15:17:22.644 INFO [stderr] usermod: no changes
Dec 15 15:17:22.695 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 15 15:17:22.779 INFO [stderr]    Compiling fahrenheit v4.5.2 (/source)
Dec 15 15:17:26.443 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:17:26.443 INFO [stderr]   --> examples/server.rs:23:5
Dec 15 15:17:26.443 INFO [stderr]    |
Dec 15 15:17:26.443 INFO [stderr] 23 |     await!(stream.read_exact(&mut buf));
Dec 15 15:17:26.443 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:17:26.443 INFO [stderr]    |
Dec 15 15:17:26.443 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 15:17:26.443 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:17:26.443 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:17:26.443 INFO [stderr] 
Dec 15 15:17:26.703 INFO [stderr] warning: method is never used: `handle`
Dec 15 15:17:26.703 INFO [stderr]    --> src/lib.rs:117:5
Dec 15 15:17:26.703 INFO [stderr]     |
Dec 15 15:17:26.703 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Dec 15 15:17:26.703 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:17:26.703 INFO [stderr]     |
Dec 15 15:17:26.703 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 15 15:17:26.703 INFO [stderr] 
Dec 15 15:17:28.339 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
Dec 15 15:17:28.349 INFO [stderr] su: No module specific data is present
Dec 15 15:17:28.689 INFO running `"docker" "inspect" "2bd05e5be7760881f30c960c191f154870e8802fc805eda538d949dcf6d26905"`
Dec 15 15:17:28.828 INFO running `"docker" "rm" "-f" "2bd05e5be7760881f30c960c191f154870e8802fc805eda538d949dcf6d26905"`
Dec 15 15:17:28.938 INFO [stdout] 2bd05e5be7760881f30c960c191f154870e8802fc805eda538d949dcf6d26905
Dec 15 15:17:28.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15:17:29.116 INFO [stdout] 3b6b36493b721cc20f1fac3e54c89a98cc694c0eb5b0d5da3ae9b58a7fe3678c
Dec 15 15:17:29.120 INFO running `"docker" "start" "-a" "3b6b36493b721cc20f1fac3e54c89a98cc694c0eb5b0d5da3ae9b58a7fe3678c"`
Dec 15 15:17:29.771 INFO [stderr] usermod: no changes
Dec 15 15:17:29.835 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 15 15:17:29.858 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 15 15:17:29.872 INFO [stderr]      Running /target/debug/deps/fahrenheit-792b2b0e502db96c
Dec 15 15:17:29.873 INFO [stdout] 
Dec 15 15:17:29.873 INFO [stdout] running 0 tests
Dec 15 15:17:29.873 INFO [stdout] 
Dec 15 15:17:29.873 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:17:29.873 INFO [stdout] 
Dec 15 15:17:29.874 INFO [stderr]    Doc-tests fahrenheit
Dec 15 15:17:34.969 INFO [stdout] 
Dec 15 15:17:34.969 INFO [stdout] running 0 tests
Dec 15 15:17:34.969 INFO [stdout] 
Dec 15 15:17:34.969 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:17:34.969 INFO [stdout] 
Dec 15 15:17:34.978 INFO [stderr] su: No module specific data is present
Dec 15 15:17:35.348 INFO running `"docker" "inspect" "3b6b36493b721cc20f1fac3e54c89a98cc694c0eb5b0d5da3ae9b58a7fe3678c"`
Dec 15 15:17:35.471 INFO running `"docker" "rm" "-f" "3b6b36493b721cc20f1fac3e54c89a98cc694c0eb5b0d5da3ae9b58a7fe3678c"`
Dec 15 15:17:35.707 INFO [stdout] 3b6b36493b721cc20f1fac3e54c89a98cc694c0eb5b0d5da3ae9b58a7fe3678c