Dec 11 08:09:05.575 INFO checking tcsc/asyncho against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 08:09:05.575 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 11 08:09:06.066 INFO [stdout] 27eb64815b1de71e926a16647355f5a3b1b542a354820dd8d80f123e60781c98
Dec 11 08:09:06.068 INFO running `"docker" "start" "-a" "27eb64815b1de71e926a16647355f5a3b1b542a354820dd8d80f123e60781c98"`
Dec 11 08:09:08.824 INFO [stderr] usermod: no changes
Dec 11 08:09:08.997 INFO [stderr]     Checking iovec v0.1.0
Dec 11 08:09:08.997 INFO [stderr]     Checking thread-id v3.0.0
Dec 11 08:09:08.997 INFO [stderr]     Checking memchr v1.0.1
Dec 11 08:09:08.997 INFO [stderr]     Checking net2 v0.2.27
Dec 11 08:09:09.748 INFO [stderr]     Checking thread_local v0.3.3
Dec 11 08:09:09.930 INFO [stderr]     Checking bytes v0.4.2
Dec 11 08:09:10.022 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 11 08:09:11.118 INFO [stderr]     Checking mio v0.6.6
Dec 11 08:09:11.932 INFO [stderr]     Checking regex v0.2.1
Dec 11 08:09:12.447 INFO [stderr]     Checking tokio-io v0.1.1
Dec 11 08:09:15.076 INFO [stderr]     Checking tokio-core v0.1.6
Dec 11 08:09:16.385 INFO [stderr]     Checking env_logger v0.4.2
Dec 11 08:09:17.328 INFO [stderr]     Checking asyncho v0.1.0 (/source)
Dec 11 08:09:18.348 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 08:09:18.348 INFO [stderr]    --> src/service.rs:124:17
Dec 11 08:09:18.348 INFO [stderr]     |
Dec 11 08:09:18.348 INFO [stderr] 124 |                 self.spawn_connection(conn).map_err(erase);
Dec 11 08:09:18.348 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:09:18.348 INFO [stderr]     |
Dec 11 08:09:18.348 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 08:09:18.348 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 08:09:18.348 INFO [stderr] 
Dec 11 08:09:18.432 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 08:09:18.432 INFO [stderr]    --> src/service.rs:124:17
Dec 11 08:09:18.432 INFO [stderr]     |
Dec 11 08:09:18.432 INFO [stderr] 124 |                 self.spawn_connection(conn).map_err(erase);
Dec 11 08:09:18.432 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:09:18.432 INFO [stderr]     |
Dec 11 08:09:18.432 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 08:09:18.432 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 08:09:18.432 INFO [stderr] 
Dec 11 08:09:18.457 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.60s
Dec 11 08:09:18.469 INFO [stderr] su: No module specific data is present
Dec 11 08:09:19.102 INFO running `"docker" "inspect" "27eb64815b1de71e926a16647355f5a3b1b542a354820dd8d80f123e60781c98"`
Dec 11 08:09:19.430 INFO running `"docker" "rm" "-f" "27eb64815b1de71e926a16647355f5a3b1b542a354820dd8d80f123e60781c98"`
Dec 11 08:09:19.832 INFO [stdout] 27eb64815b1de71e926a16647355f5a3b1b542a354820dd8d80f123e60781c98