Dec 12 03:51:45.885 INFO checking ArtemFrantsiian/telnet_chat against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 03:51:45.885 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 03:51:46.448 INFO [stdout] 9da3db6cf270d769bec460b74f4d46a0a0cf36dfdef2141d7bcdeb48b48dea6b
Dec 12 03:51:46.452 INFO running `"docker" "start" "-a" "9da3db6cf270d769bec460b74f4d46a0a0cf36dfdef2141d7bcdeb48b48dea6b"`
Dec 12 03:51:47.989 INFO [stderr] usermod: no changes
Dec 12 03:51:48.124 INFO [stderr]    Compiling serde_derive v1.0.67
Dec 12 03:52:04.230 INFO [stderr]     Checking docopt v1.0.0
Dec 12 03:52:06.457 INFO [stderr]     Checking telnet-chat v0.1.0 (/source)
Dec 12 03:52:10.458 INFO [stderr] warning: unused import: `HashSet`
Dec 12 03:52:10.458 INFO [stderr]  --> src/server.rs:1:33
Dec 12 03:52:10.458 INFO [stderr]   |
Dec 12 03:52:10.458 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Dec 12 03:52:10.458 INFO [stderr]   |                                 ^^^^^^^
Dec 12 03:52:10.458 INFO [stderr]   |
Dec 12 03:52:10.458 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:52:10.458 INFO [stderr] 
Dec 12 03:52:10.636 INFO [stderr] warning: unused import: `HashSet`
Dec 12 03:52:10.637 INFO [stderr]  --> src/server.rs:1:33
Dec 12 03:52:10.637 INFO [stderr]   |
Dec 12 03:52:10.637 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Dec 12 03:52:10.638 INFO [stderr]   |                                 ^^^^^^^
Dec 12 03:52:10.638 INFO [stderr]   |
Dec 12 03:52:10.638 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:52:10.639 INFO [stderr] 
Dec 12 03:52:10.968 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:10.968 INFO [stderr]    --> src/server.rs:104:17
Dec 12 03:52:10.969 INFO [stderr]     |
Dec 12 03:52:10.969 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Dec 12 03:52:10.969 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:10.969 INFO [stderr]     |
Dec 12 03:52:10.969 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 03:52:10.970 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:10.970 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 03:52:10.970 INFO [stderr] 
Dec 12 03:52:10.970 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:10.971 INFO [stderr]    --> src/server.rs:114:25
Dec 12 03:52:10.971 INFO [stderr]     |
Dec 12 03:52:10.971 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Dec 12 03:52:10.971 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:10.972 INFO [stderr]     |
Dec 12 03:52:10.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:10.972 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 03:52:10.972 INFO [stderr] 
Dec 12 03:52:10.973 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:10.973 INFO [stderr]    --> src/server.rs:134:17
Dec 12 03:52:10.973 INFO [stderr]     |
Dec 12 03:52:10.973 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Dec 12 03:52:10.974 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:10.974 INFO [stderr]     |
Dec 12 03:52:10.974 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:10.974 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 03:52:10.974 INFO [stderr] 
Dec 12 03:52:10.975 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:10.975 INFO [stderr]    --> src/server.rs:139:21
Dec 12 03:52:10.975 INFO [stderr]     |
Dec 12 03:52:10.975 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Dec 12 03:52:10.976 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:10.976 INFO [stderr]     |
Dec 12 03:52:10.976 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:10.976 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 03:52:10.976 INFO [stderr] 
Dec 12 03:52:10.977 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:10.977 INFO [stderr]    --> src/server.rs:141:25
Dec 12 03:52:10.977 INFO [stderr]     |
Dec 12 03:52:10.977 INFO [stderr] 141 |                         cli.leave();
Dec 12 03:52:10.978 INFO [stderr]     |                         ^^^^^^^^^^^^
Dec 12 03:52:10.978 INFO [stderr]     |
Dec 12 03:52:10.978 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:10.978 INFO [stderr] 
Dec 12 03:52:10.978 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:10.979 INFO [stderr]    --> src/server.rs:149:17
Dec 12 03:52:10.979 INFO [stderr]     |
Dec 12 03:52:10.979 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Dec 12 03:52:10.979 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:10.980 INFO [stderr]     |
Dec 12 03:52:10.980 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:10.980 INFO [stderr] 
Dec 12 03:52:10.980 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:10.981 INFO [stderr]   --> src/main.rs:39:9
Dec 12 03:52:10.981 INFO [stderr]    |
Dec 12 03:52:10.981 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Dec 12 03:52:10.981 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:10.982 INFO [stderr]    |
Dec 12 03:52:10.982 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:10.988 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 03:52:10.988 INFO [stderr] 
Dec 12 03:52:11.056 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:11.056 INFO [stderr]    --> src/server.rs:104:17
Dec 12 03:52:11.056 INFO [stderr]     |
Dec 12 03:52:11.056 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Dec 12 03:52:11.057 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:11.057 INFO [stderr]     |
Dec 12 03:52:11.057 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 03:52:11.057 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:11.058 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 03:52:11.058 INFO [stderr] 
Dec 12 03:52:11.058 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:11.059 INFO [stderr]    --> src/server.rs:114:25
Dec 12 03:52:11.059 INFO [stderr]     |
Dec 12 03:52:11.059 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Dec 12 03:52:11.059 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:11.060 INFO [stderr]     |
Dec 12 03:52:11.060 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:11.060 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 03:52:11.060 INFO [stderr] 
Dec 12 03:52:11.061 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:11.061 INFO [stderr]    --> src/server.rs:134:17
Dec 12 03:52:11.061 INFO [stderr]     |
Dec 12 03:52:11.062 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Dec 12 03:52:11.062 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:11.062 INFO [stderr]     |
Dec 12 03:52:11.063 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:11.063 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 03:52:11.063 INFO [stderr] 
Dec 12 03:52:11.063 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:11.064 INFO [stderr]    --> src/server.rs:139:21
Dec 12 03:52:11.064 INFO [stderr]     |
Dec 12 03:52:11.064 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Dec 12 03:52:11.065 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:11.065 INFO [stderr]     |
Dec 12 03:52:11.065 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:11.065 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 03:52:11.066 INFO [stderr] 
Dec 12 03:52:11.066 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:11.067 INFO [stderr]    --> src/server.rs:141:25
Dec 12 03:52:11.067 INFO [stderr]     |
Dec 12 03:52:11.067 INFO [stderr] 141 |                         cli.leave();
Dec 12 03:52:11.067 INFO [stderr]     |                         ^^^^^^^^^^^^
Dec 12 03:52:11.068 INFO [stderr]     |
Dec 12 03:52:11.068 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:11.068 INFO [stderr] 
Dec 12 03:52:11.069 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:11.069 INFO [stderr]    --> src/server.rs:149:17
Dec 12 03:52:11.069 INFO [stderr]     |
Dec 12 03:52:11.070 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Dec 12 03:52:11.070 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:11.070 INFO [stderr]     |
Dec 12 03:52:11.070 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:11.071 INFO [stderr] 
Dec 12 03:52:11.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:52:11.072 INFO [stderr]   --> src/main.rs:39:9
Dec 12 03:52:11.073 INFO [stderr]    |
Dec 12 03:52:11.073 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Dec 12 03:52:11.073 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:52:11.074 INFO [stderr]    |
Dec 12 03:52:11.074 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:52:11.074 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 03:52:11.074 INFO [stderr] 
Dec 12 03:52:11.125 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.10s
Dec 12 03:52:11.137 INFO [stderr] su: No module specific data is present
Dec 12 03:52:12.608 INFO running `"docker" "inspect" "9da3db6cf270d769bec460b74f4d46a0a0cf36dfdef2141d7bcdeb48b48dea6b"`
Dec 12 03:52:12.948 INFO running `"docker" "rm" "-f" "9da3db6cf270d769bec460b74f4d46a0a0cf36dfdef2141d7bcdeb48b48dea6b"`
Dec 12 03:52:13.308 INFO [stdout] 9da3db6cf270d769bec460b74f4d46a0a0cf36dfdef2141d7bcdeb48b48dea6b