Dec 04 08:55:55.772 INFO checking tcsc/asyncho against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:55:55.772 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04 08:55:56.203 INFO [stdout] 1cc4a4a0a9d8d8a055ca2d2fa8412a3e04cc08e0a437db311c5ad6d8948dfbcf
Dec 04 08:55:56.207 INFO running `"docker" "start" "-a" "1cc4a4a0a9d8d8a055ca2d2fa8412a3e04cc08e0a437db311c5ad6d8948dfbcf"`
Dec 04 08:55:57.882 INFO [stderr] usermod: no changes
Dec 04 08:55:57.999 INFO [stderr]     Checking futures v0.1.13
Dec 04 08:55:57.999 INFO [stderr]     Checking iovec v0.1.0
Dec 04 08:55:57.999 INFO [stderr]     Checking thread-id v3.0.0
Dec 04 08:55:57.999 INFO [stderr]     Checking net2 v0.2.27
Dec 04 08:55:57.999 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 04 08:55:58.715 INFO [stderr]     Checking thread_local v0.3.3
Dec 04 08:55:58.835 INFO [stderr]     Checking bytes v0.4.2
Dec 04 08:56:00.272 INFO [stderr]     Checking mio v0.6.6
Dec 04 08:56:00.631 INFO [stderr]     Checking regex v0.2.1
Dec 04 08:56:04.507 INFO [stderr]     Checking tokio-io v0.1.1
Dec 04 08:56:04.861 INFO [stderr]     Checking env_logger v0.4.2
Dec 04 08:56:05.710 INFO [stderr]     Checking tokio-core v0.1.6
Dec 04 08:56:06.830 INFO [stderr]     Checking asyncho v0.1.0 (/source)
Dec 04 08:56:07.767 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 08:56:07.767 INFO [stderr]    --> src/service.rs:124:17
Dec 04 08:56:07.767 INFO [stderr]     |
Dec 04 08:56:07.767 INFO [stderr] 124 |                 self.spawn_connection(conn).map_err(erase);
Dec 04 08:56:07.767 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:56:07.767 INFO [stderr]     |
Dec 04 08:56:07.767 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 08:56:07.767 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 08:56:07.767 INFO [stderr] 
Dec 04 08:56:07.938 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 08:56:07.938 INFO [stderr]    --> src/service.rs:124:17
Dec 04 08:56:07.938 INFO [stderr]     |
Dec 04 08:56:07.938 INFO [stderr] 124 |                 self.spawn_connection(conn).map_err(erase);
Dec 04 08:56:07.938 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:56:07.938 INFO [stderr]     |
Dec 04 08:56:07.938 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 08:56:07.938 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 08:56:07.938 INFO [stderr] 
Dec 04 08:56:07.968 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
Dec 04 08:56:07.973 INFO [stderr] su: No module specific data is present
Dec 04 08:56:08.777 INFO running `"docker" "inspect" "1cc4a4a0a9d8d8a055ca2d2fa8412a3e04cc08e0a437db311c5ad6d8948dfbcf"`
Dec 04 08:56:09.195 INFO running `"docker" "rm" "-f" "1cc4a4a0a9d8d8a055ca2d2fa8412a3e04cc08e0a437db311c5ad6d8948dfbcf"`
Dec 04 08:56:09.576 INFO [stdout] 1cc4a4a0a9d8d8a055ca2d2fa8412a3e04cc08e0a437db311c5ad6d8948dfbcf