Dec 12 15:12:54.421 INFO checking fahrenheit-4.5.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 15:12:54.421 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 15:12:54.988 INFO [stdout] a1e3e714121cc00b13bb22dbf52f052de6949bb2f43386f8d029fdc4a997cf9e
Dec 12 15:12:54.992 INFO running `"docker" "start" "-a" "a1e3e714121cc00b13bb22dbf52f052de6949bb2f43386f8d029fdc4a997cf9e"`
Dec 12 15:12:56.144 INFO [stderr] usermod: no changes
Dec 12 15:12:56.194 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 12 15:12:56.280 INFO [stderr]     Checking fahrenheit v4.5.2 (/source)
Dec 12 15:13:00.048 INFO [stderr] warning: method is never used: `handle`
Dec 12 15:13:00.048 INFO [stderr]    --> src/lib.rs:117:5
Dec 12 15:13:00.048 INFO [stderr]     |
Dec 12 15:13:00.048 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Dec 12 15:13:00.048 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:13:00.048 INFO [stderr]     |
Dec 12 15:13:00.048 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 15:13:00.048 INFO [stderr] 
Dec 12 15:13:00.697 INFO [stderr] warning: method is never used: `handle`
Dec 12 15:13:00.697 INFO [stderr]    --> src/lib.rs:117:5
Dec 12 15:13:00.697 INFO [stderr]     |
Dec 12 15:13:00.697 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Dec 12 15:13:00.697 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:13:00.697 INFO [stderr]     |
Dec 12 15:13:00.697 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 15:13:00.697 INFO [stderr] 
Dec 12 15:13:03.535 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 15:13:03.535 INFO [stderr]   --> examples/server.rs:23:5
Dec 12 15:13:03.535 INFO [stderr]    |
Dec 12 15:13:03.535 INFO [stderr] 23 |     await!(stream.read_exact(&mut buf));
Dec 12 15:13:03.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:13:03.535 INFO [stderr]    |
Dec 12 15:13:03.535 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 15:13:03.535 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 15:13:03.535 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 12 15:13:03.535 INFO [stderr] 
Dec 12 15:13:03.797 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.63s
Dec 12 15:13:03.803 INFO [stderr] su: No module specific data is present
Dec 12 15:13:04.585 INFO running `"docker" "inspect" "a1e3e714121cc00b13bb22dbf52f052de6949bb2f43386f8d029fdc4a997cf9e"`
Dec 12 15:13:04.704 INFO running `"docker" "rm" "-f" "a1e3e714121cc00b13bb22dbf52f052de6949bb2f43386f8d029fdc4a997cf9e"`
Dec 12 15:13:04.793 INFO [stdout] a1e3e714121cc00b13bb22dbf52f052de6949bb2f43386f8d029fdc4a997cf9e