Nov 29 01:46:15.407 INFO checking fahrenheit-4.5.2 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 01:46:15.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 29 01:46:15.928 INFO [stdout] 3eb66dbcac4c9c5f036db95a4876caddfb555fb518cf6e222232ba055f070c40
Nov 29 01:46:15.930 INFO running `"docker" "start" "-a" "3eb66dbcac4c9c5f036db95a4876caddfb555fb518cf6e222232ba055f070c40"`
Nov 29 01:46:16.712 INFO [stderr] usermod: no changes
Nov 29 01:46:16.751 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 29 01:46:16.840 INFO [stderr]     Checking futures-core-preview v0.3.0-alpha.10
Nov 29 01:46:17.394 INFO [stderr]     Checking futures-channel-preview v0.3.0-alpha.10
Nov 29 01:46:17.395 INFO [stderr]     Checking futures-io-preview v0.3.0-alpha.10
Nov 29 01:46:18.100 INFO [stderr]     Checking futures-sink-preview v0.3.0-alpha.10
Nov 29 01:46:18.851 INFO [stderr]     Checking futures-util-preview v0.3.0-alpha.10
Nov 29 01:46:22.888 INFO [stderr]     Checking futures-executor-preview v0.3.0-alpha.10
Nov 29 01:46:24.118 INFO [stderr]     Checking futures-preview v0.3.0-alpha.10
Nov 29 01:46:25.216 INFO [stderr]     Checking fahrenheit v4.5.2 (/source)
Nov 29 01:46:28.744 INFO [stderr] warning: method is never used: `handle`
Nov 29 01:46:28.744 INFO [stderr]    --> src/lib.rs:117:5
Nov 29 01:46:28.744 INFO [stderr]     |
Nov 29 01:46:28.744 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Nov 29 01:46:28.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:46:28.744 INFO [stderr]     |
Nov 29 01:46:28.744 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 01:46:28.744 INFO [stderr] 
Nov 29 01:46:28.815 INFO [stderr] warning: method is never used: `handle`
Nov 29 01:46:28.815 INFO [stderr]    --> src/lib.rs:117:5
Nov 29 01:46:28.815 INFO [stderr]     |
Nov 29 01:46:28.815 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Nov 29 01:46:28.815 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:46:28.815 INFO [stderr]     |
Nov 29 01:46:28.815 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 01:46:28.815 INFO [stderr] 
Nov 29 01:46:32.534 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 01:46:32.534 INFO [stderr]   --> examples/server.rs:23:5
Nov 29 01:46:32.534 INFO [stderr]    |
Nov 29 01:46:32.534 INFO [stderr] 23 |     await!(stream.read_exact(&mut buf));
Nov 29 01:46:32.534 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:46:32.534 INFO [stderr]    |
Nov 29 01:46:32.534 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 01:46:32.534 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 01:46:32.534 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)
Nov 29 01:46:32.534 INFO [stderr] 
Nov 29 01:46:32.804 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.06s
Nov 29 01:46:32.820 INFO [stderr] su: No module specific data is present
Nov 29 01:46:33.472 INFO running `"docker" "inspect" "3eb66dbcac4c9c5f036db95a4876caddfb555fb518cf6e222232ba055f070c40"`
Nov 29 01:46:33.828 INFO running `"docker" "rm" "-f" "3eb66dbcac4c9c5f036db95a4876caddfb555fb518cf6e222232ba055f070c40"`
Nov 29 01:46:34.076 INFO [stdout] 3eb66dbcac4c9c5f036db95a4876caddfb555fb518cf6e222232ba055f070c40