Dec 05 13:58:53.327 INFO checking fahrenheit-4.5.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 13:58:53.327 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 13:58:53.732 INFO [stdout] 63c25978ae5630a3a4b363ee099e04219893a3d40f478debdfe45b9bce57810d
Dec 05 13:58:53.737 INFO running `"docker" "start" "-a" "63c25978ae5630a3a4b363ee099e04219893a3d40f478debdfe45b9bce57810d"`
Dec 05 13:58:54.831 INFO [stderr] usermod: no changes
Dec 05 13:58:54.854 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 05 13:58:54.959 INFO [stderr]     Checking fahrenheit v4.5.2 (/source)
Dec 05 13:58:58.547 INFO [stderr] warning: method is never used: `handle`
Dec 05 13:58:58.547 INFO [stderr]    --> src/lib.rs:117:5
Dec 05 13:58:58.547 INFO [stderr]     |
Dec 05 13:58:58.547 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Dec 05 13:58:58.547 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:58:58.547 INFO [stderr]     |
Dec 05 13:58:58.547 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 13:58:58.547 INFO [stderr] 
Dec 05 13:58:58.766 INFO [stderr] warning: method is never used: `handle`
Dec 05 13:58:58.767 INFO [stderr]    --> src/lib.rs:117:5
Dec 05 13:58:58.767 INFO [stderr]     |
Dec 05 13:58:58.768 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Dec 05 13:58:58.768 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:58:58.768 INFO [stderr]     |
Dec 05 13:58:58.768 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 13:58:58.769 INFO [stderr] 
Dec 05 13:59:02.715 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:59:02.715 INFO [stderr]   --> examples/server.rs:23:5
Dec 05 13:59:02.715 INFO [stderr]    |
Dec 05 13:59:02.715 INFO [stderr] 23 |     await!(stream.read_exact(&mut buf));
Dec 05 13:59:02.715 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:59:02.715 INFO [stderr]    |
Dec 05 13:59:02.715 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 13:59:02.715 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:59:02.715 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 05 13:59:02.715 INFO [stderr] 
Dec 05 13:59:02.717 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.88s
Dec 05 13:59:02.723 INFO [stderr] su: No module specific data is present
Dec 05 13:59:03.004 INFO running `"docker" "inspect" "63c25978ae5630a3a4b363ee099e04219893a3d40f478debdfe45b9bce57810d"`
Dec 05 13:59:03.093 INFO running `"docker" "rm" "-f" "63c25978ae5630a3a4b363ee099e04219893a3d40f478debdfe45b9bce57810d"`
Dec 05 13:59:03.258 INFO [stdout] 63c25978ae5630a3a4b363ee099e04219893a3d40f478debdfe45b9bce57810d