Nov 28 14:31:17.759 INFO checking ArtemFrantsiian/telnet_chat against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:31:17.760 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 14:31:18.272 INFO [stdout] 205adb488a38e0de13a42bbecac80209e541a58b817fdc87f3425c701e9f637d
Nov 28 14:31:18.274 INFO running `"docker" "start" "-a" "205adb488a38e0de13a42bbecac80209e541a58b817fdc87f3425c701e9f637d"`
Nov 28 14:31:20.516 INFO [stderr] usermod: no changes
Nov 28 14:31:20.720 INFO [stderr]    Compiling serde_derive v1.0.67
Nov 28 14:31:37.832 INFO [stderr]     Checking docopt v1.0.0
Nov 28 14:31:40.080 INFO [stderr]     Checking telnet-chat v0.1.0 (/source)
Nov 28 14:31:43.944 INFO [stderr] warning: unused import: `HashSet`
Nov 28 14:31:43.945 INFO [stderr]  --> src/server.rs:1:33
Nov 28 14:31:43.946 INFO [stderr]   |
Nov 28 14:31:43.946 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Nov 28 14:31:43.947 INFO [stderr]   |                                 ^^^^^^^
Nov 28 14:31:43.965 INFO [stderr]   |
Nov 28 14:31:43.966 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:31:43.966 INFO [stderr] 
Nov 28 14:31:44.172 INFO [stderr] warning: unused import: `HashSet`
Nov 28 14:31:44.172 INFO [stderr]  --> src/server.rs:1:33
Nov 28 14:31:44.172 INFO [stderr]   |
Nov 28 14:31:44.173 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Nov 28 14:31:44.173 INFO [stderr]   |                                 ^^^^^^^
Nov 28 14:31:44.173 INFO [stderr]   |
Nov 28 14:31:44.173 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:31:44.174 INFO [stderr] 
Nov 28 14:31:44.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.540 INFO [stderr]    --> src/server.rs:104:17
Nov 28 14:31:44.541 INFO [stderr]     |
Nov 28 14:31:44.541 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Nov 28 14:31:44.541 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.541 INFO [stderr]     |
Nov 28 14:31:44.541 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 14:31:44.541 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.541 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)
Nov 28 14:31:44.541 INFO [stderr] 
Nov 28 14:31:44.541 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.541 INFO [stderr]    --> src/server.rs:114:25
Nov 28 14:31:44.541 INFO [stderr]     |
Nov 28 14:31:44.541 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Nov 28 14:31:44.541 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.541 INFO [stderr]     |
Nov 28 14:31:44.541 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.541 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)
Nov 28 14:31:44.541 INFO [stderr] 
Nov 28 14:31:44.541 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.541 INFO [stderr]    --> src/server.rs:134:17
Nov 28 14:31:44.541 INFO [stderr]     |
Nov 28 14:31:44.541 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Nov 28 14:31:44.545 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.545 INFO [stderr]     |
Nov 28 14:31:44.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.545 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)
Nov 28 14:31:44.545 INFO [stderr] 
Nov 28 14:31:44.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.545 INFO [stderr]    --> src/server.rs:139:21
Nov 28 14:31:44.545 INFO [stderr]     |
Nov 28 14:31:44.545 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Nov 28 14:31:44.545 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.545 INFO [stderr]     |
Nov 28 14:31:44.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.545 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)
Nov 28 14:31:44.545 INFO [stderr] 
Nov 28 14:31:44.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.545 INFO [stderr]    --> src/server.rs:141:25
Nov 28 14:31:44.545 INFO [stderr]     |
Nov 28 14:31:44.545 INFO [stderr] 141 |                         cli.leave();
Nov 28 14:31:44.545 INFO [stderr]     |                         ^^^^^^^^^^^^
Nov 28 14:31:44.545 INFO [stderr]     |
Nov 28 14:31:44.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.545 INFO [stderr] 
Nov 28 14:31:44.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.545 INFO [stderr]    --> src/server.rs:149:17
Nov 28 14:31:44.545 INFO [stderr]     |
Nov 28 14:31:44.545 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Nov 28 14:31:44.545 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.545 INFO [stderr]     |
Nov 28 14:31:44.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.545 INFO [stderr] 
Nov 28 14:31:44.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.553 INFO [stderr]   --> src/main.rs:39:9
Nov 28 14:31:44.553 INFO [stderr]    |
Nov 28 14:31:44.553 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Nov 28 14:31:44.554 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.554 INFO [stderr]    |
Nov 28 14:31:44.554 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.554 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)
Nov 28 14:31:44.555 INFO [stderr] 
Nov 28 14:31:44.641 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.641 INFO [stderr]    --> src/server.rs:104:17
Nov 28 14:31:44.641 INFO [stderr]     |
Nov 28 14:31:44.641 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Nov 28 14:31:44.642 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.642 INFO [stderr]     |
Nov 28 14:31:44.642 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 14:31:44.643 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.643 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)
Nov 28 14:31:44.643 INFO [stderr] 
Nov 28 14:31:44.643 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.644 INFO [stderr]    --> src/server.rs:114:25
Nov 28 14:31:44.644 INFO [stderr]     |
Nov 28 14:31:44.644 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Nov 28 14:31:44.645 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.645 INFO [stderr]     |
Nov 28 14:31:44.645 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.646 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)
Nov 28 14:31:44.646 INFO [stderr] 
Nov 28 14:31:44.646 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.646 INFO [stderr]    --> src/server.rs:134:17
Nov 28 14:31:44.647 INFO [stderr]     |
Nov 28 14:31:44.647 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Nov 28 14:31:44.647 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.648 INFO [stderr]     |
Nov 28 14:31:44.648 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.648 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)
Nov 28 14:31:44.649 INFO [stderr] 
Nov 28 14:31:44.649 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.649 INFO [stderr]    --> src/server.rs:139:21
Nov 28 14:31:44.649 INFO [stderr]     |
Nov 28 14:31:44.650 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Nov 28 14:31:44.650 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.650 INFO [stderr]     |
Nov 28 14:31:44.650 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.653 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)
Nov 28 14:31:44.653 INFO [stderr] 
Nov 28 14:31:44.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.653 INFO [stderr]    --> src/server.rs:141:25
Nov 28 14:31:44.654 INFO [stderr]     |
Nov 28 14:31:44.654 INFO [stderr] 141 |                         cli.leave();
Nov 28 14:31:44.654 INFO [stderr]     |                         ^^^^^^^^^^^^
Nov 28 14:31:44.655 INFO [stderr]     |
Nov 28 14:31:44.655 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.655 INFO [stderr] 
Nov 28 14:31:44.655 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.656 INFO [stderr]    --> src/server.rs:149:17
Nov 28 14:31:44.656 INFO [stderr]     |
Nov 28 14:31:44.656 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Nov 28 14:31:44.657 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.657 INFO [stderr]     |
Nov 28 14:31:44.657 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.657 INFO [stderr] 
Nov 28 14:31:44.658 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:31:44.658 INFO [stderr]   --> src/main.rs:39:9
Nov 28 14:31:44.658 INFO [stderr]    |
Nov 28 14:31:44.659 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Nov 28 14:31:44.659 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:31:44.659 INFO [stderr]    |
Nov 28 14:31:44.660 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:31:44.660 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)
Nov 28 14:31:44.660 INFO [stderr] 
Nov 28 14:31:44.693 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.13s
Nov 28 14:31:44.700 INFO [stderr] su: No module specific data is present
Nov 28 14:31:45.521 INFO running `"docker" "inspect" "205adb488a38e0de13a42bbecac80209e541a58b817fdc87f3425c701e9f637d"`
Nov 28 14:31:45.853 INFO running `"docker" "rm" "-f" "205adb488a38e0de13a42bbecac80209e541a58b817fdc87f3425c701e9f637d"`
Nov 28 14:31:46.093 INFO [stdout] 205adb488a38e0de13a42bbecac80209e541a58b817fdc87f3425c701e9f637d