Dec 05 03:23:53.404 INFO checking ArtemFrantsiian/telnet_chat against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 03:23:53.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 03:23:53.883 INFO [stdout] e2f09f366a67e5dcdf97062b3aa2c16b1701b21622ff1e2ac0d591f6d5a2c7b2
Dec 05 03:23:53.891 INFO running `"docker" "start" "-a" "e2f09f366a67e5dcdf97062b3aa2c16b1701b21622ff1e2ac0d591f6d5a2c7b2"`
Dec 05 03:23:55.168 INFO [stderr] usermod: no changes
Dec 05 03:23:55.303 INFO [stderr]    Compiling serde v1.0.67
Dec 05 03:23:55.303 INFO [stderr]    Compiling serde_derive v1.0.67
Dec 05 03:24:18.407 INFO [stderr]     Checking docopt v1.0.0
Dec 05 03:24:20.459 INFO [stderr]     Checking telnet-chat v0.1.0 (/source)
Dec 05 03:24:24.029 INFO [stderr] warning: unused import: `HashSet`
Dec 05 03:24:24.029 INFO [stderr]  --> src/server.rs:1:33
Dec 05 03:24:24.030 INFO [stderr]   |
Dec 05 03:24:24.030 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Dec 05 03:24:24.030 INFO [stderr]   |                                 ^^^^^^^
Dec 05 03:24:24.030 INFO [stderr]   |
Dec 05 03:24:24.030 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:24:24.030 INFO [stderr] 
Dec 05 03:24:24.187 INFO [stderr] warning: unused import: `HashSet`
Dec 05 03:24:24.187 INFO [stderr]  --> src/server.rs:1:33
Dec 05 03:24:24.188 INFO [stderr]   |
Dec 05 03:24:24.188 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Dec 05 03:24:24.188 INFO [stderr]   |                                 ^^^^^^^
Dec 05 03:24:24.188 INFO [stderr]   |
Dec 05 03:24:24.189 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:24:24.189 INFO [stderr] 
Dec 05 03:24:24.495 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.495 INFO [stderr]    --> src/server.rs:104:17
Dec 05 03:24:24.495 INFO [stderr]     |
Dec 05 03:24:24.495 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Dec 05 03:24:24.496 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.496 INFO [stderr]     |
Dec 05 03:24:24.496 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 03:24:24.496 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.496 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 03:24:24.496 INFO [stderr] 
Dec 05 03:24:24.496 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.496 INFO [stderr]    --> src/server.rs:114:25
Dec 05 03:24:24.496 INFO [stderr]     |
Dec 05 03:24:24.496 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Dec 05 03:24:24.496 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.496 INFO [stderr]     |
Dec 05 03:24:24.496 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.496 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 03:24:24.496 INFO [stderr] 
Dec 05 03:24:24.507 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.507 INFO [stderr]    --> src/server.rs:134:17
Dec 05 03:24:24.507 INFO [stderr]     |
Dec 05 03:24:24.508 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Dec 05 03:24:24.508 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.508 INFO [stderr]     |
Dec 05 03:24:24.508 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.508 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 03:24:24.508 INFO [stderr] 
Dec 05 03:24:24.508 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.508 INFO [stderr]    --> src/server.rs:139:21
Dec 05 03:24:24.508 INFO [stderr]     |
Dec 05 03:24:24.508 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Dec 05 03:24:24.508 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.508 INFO [stderr]     |
Dec 05 03:24:24.508 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.508 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 03:24:24.508 INFO [stderr] 
Dec 05 03:24:24.508 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.508 INFO [stderr]    --> src/server.rs:141:25
Dec 05 03:24:24.508 INFO [stderr]     |
Dec 05 03:24:24.508 INFO [stderr] 141 |                         cli.leave();
Dec 05 03:24:24.508 INFO [stderr]     |                         ^^^^^^^^^^^^
Dec 05 03:24:24.508 INFO [stderr]     |
Dec 05 03:24:24.508 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.508 INFO [stderr] 
Dec 05 03:24:24.508 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.508 INFO [stderr]    --> src/server.rs:149:17
Dec 05 03:24:24.508 INFO [stderr]     |
Dec 05 03:24:24.508 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Dec 05 03:24:24.508 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.508 INFO [stderr]     |
Dec 05 03:24:24.508 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.508 INFO [stderr] 
Dec 05 03:24:24.508 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.508 INFO [stderr]   --> src/main.rs:39:9
Dec 05 03:24:24.508 INFO [stderr]    |
Dec 05 03:24:24.508 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Dec 05 03:24:24.508 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.508 INFO [stderr]    |
Dec 05 03:24:24.508 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.508 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 03:24:24.508 INFO [stderr] 
Dec 05 03:24:24.655 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.655 INFO [stderr]    --> src/server.rs:104:17
Dec 05 03:24:24.655 INFO [stderr]     |
Dec 05 03:24:24.656 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Dec 05 03:24:24.656 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.656 INFO [stderr]     |
Dec 05 03:24:24.657 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 03:24:24.657 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.657 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 03:24:24.658 INFO [stderr] 
Dec 05 03:24:24.658 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.659 INFO [stderr]    --> src/server.rs:114:25
Dec 05 03:24:24.659 INFO [stderr]     |
Dec 05 03:24:24.659 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Dec 05 03:24:24.659 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.659 INFO [stderr]     |
Dec 05 03:24:24.659 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.660 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 03:24:24.660 INFO [stderr] 
Dec 05 03:24:24.660 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.660 INFO [stderr]    --> src/server.rs:134:17
Dec 05 03:24:24.660 INFO [stderr]     |
Dec 05 03:24:24.660 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Dec 05 03:24:24.660 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.660 INFO [stderr]     |
Dec 05 03:24:24.660 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.661 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 03:24:24.661 INFO [stderr] 
Dec 05 03:24:24.661 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.661 INFO [stderr]    --> src/server.rs:139:21
Dec 05 03:24:24.661 INFO [stderr]     |
Dec 05 03:24:24.661 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Dec 05 03:24:24.661 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.661 INFO [stderr]     |
Dec 05 03:24:24.661 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.661 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 03:24:24.662 INFO [stderr] 
Dec 05 03:24:24.662 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.662 INFO [stderr]    --> src/server.rs:141:25
Dec 05 03:24:24.662 INFO [stderr]     |
Dec 05 03:24:24.662 INFO [stderr] 141 |                         cli.leave();
Dec 05 03:24:24.662 INFO [stderr]     |                         ^^^^^^^^^^^^
Dec 05 03:24:24.662 INFO [stderr]     |
Dec 05 03:24:24.663 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.663 INFO [stderr] 
Dec 05 03:24:24.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.663 INFO [stderr]    --> src/server.rs:149:17
Dec 05 03:24:24.663 INFO [stderr]     |
Dec 05 03:24:24.663 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Dec 05 03:24:24.663 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.663 INFO [stderr]     |
Dec 05 03:24:24.663 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.663 INFO [stderr] 
Dec 05 03:24:24.665 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:24.665 INFO [stderr]   --> src/main.rs:39:9
Dec 05 03:24:24.665 INFO [stderr]    |
Dec 05 03:24:24.665 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Dec 05 03:24:24.665 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:24.665 INFO [stderr]    |
Dec 05 03:24:24.665 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:24.665 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 03:24:24.665 INFO [stderr] 
Dec 05 03:24:24.711 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.51s
Dec 05 03:24:24.716 INFO [stderr] su: No module specific data is present
Dec 05 03:24:26.294 INFO running `"docker" "inspect" "e2f09f366a67e5dcdf97062b3aa2c16b1701b21622ff1e2ac0d591f6d5a2c7b2"`
Dec 05 03:24:26.697 INFO running `"docker" "rm" "-f" "e2f09f366a67e5dcdf97062b3aa2c16b1701b21622ff1e2ac0d591f6d5a2c7b2"`
Dec 05 03:24:27.083 INFO [stdout] e2f09f366a67e5dcdf97062b3aa2c16b1701b21622ff1e2ac0d591f6d5a2c7b2