Dec 05 03:23:53.180 INFO checking ArtemFrantsiian/telnet_chat against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 03:23:53.180 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 05 03:23:53.651 INFO [stdout] 45eeca5cf177375af31c4e946b0608c1297e4f87bb8b8da9175259f439221189
Dec 05 03:23:53.657 INFO running `"docker" "start" "-a" "45eeca5cf177375af31c4e946b0608c1297e4f87bb8b8da9175259f439221189"`
Dec 05 03:23:54.743 INFO [stderr] usermod: no changes
Dec 05 03:23:54.883 INFO [stderr]     Checking docopt v1.0.0
Dec 05 03:23:57.043 INFO [stderr]     Checking telnet-chat v0.1.0 (/source)
Dec 05 03:24:00.275 INFO [stderr] warning: unused import: `HashSet`
Dec 05 03:24:00.276 INFO [stderr]  --> src/server.rs:1:33
Dec 05 03:24:00.276 INFO [stderr]   |
Dec 05 03:24:00.276 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Dec 05 03:24:00.276 INFO [stderr]   |                                 ^^^^^^^
Dec 05 03:24:00.276 INFO [stderr]   |
Dec 05 03:24:00.276 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:24:00.277 INFO [stderr] 
Dec 05 03:24:00.387 INFO [stderr] warning: unused import: `HashSet`
Dec 05 03:24:00.387 INFO [stderr]  --> src/server.rs:1:33
Dec 05 03:24:00.387 INFO [stderr]   |
Dec 05 03:24:00.388 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Dec 05 03:24:00.388 INFO [stderr]   |                                 ^^^^^^^
Dec 05 03:24:00.388 INFO [stderr]   |
Dec 05 03:24:00.388 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:24:00.388 INFO [stderr] 
Dec 05 03:24:00.707 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.707 INFO [stderr]    --> src/server.rs:104:17
Dec 05 03:24:00.707 INFO [stderr]     |
Dec 05 03:24:00.707 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Dec 05 03:24:00.707 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.707 INFO [stderr]     |
Dec 05 03:24:00.707 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 03:24:00.707 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.707 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 03:24:00.707 INFO [stderr] 
Dec 05 03:24:00.707 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.707 INFO [stderr]    --> src/server.rs:114:25
Dec 05 03:24:00.707 INFO [stderr]     |
Dec 05 03:24:00.707 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Dec 05 03:24:00.707 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.707 INFO [stderr]     |
Dec 05 03:24:00.707 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.707 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 03:24:00.707 INFO [stderr] 
Dec 05 03:24:00.708 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.708 INFO [stderr]    --> src/server.rs:134:17
Dec 05 03:24:00.708 INFO [stderr]     |
Dec 05 03:24:00.708 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Dec 05 03:24:00.708 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.708 INFO [stderr]     |
Dec 05 03:24:00.708 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.708 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 03:24:00.708 INFO [stderr] 
Dec 05 03:24:00.708 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.708 INFO [stderr]    --> src/server.rs:139:21
Dec 05 03:24:00.708 INFO [stderr]     |
Dec 05 03:24:00.708 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Dec 05 03:24:00.708 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.708 INFO [stderr]     |
Dec 05 03:24:00.708 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.708 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 03:24:00.708 INFO [stderr] 
Dec 05 03:24:00.708 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.708 INFO [stderr]    --> src/server.rs:141:25
Dec 05 03:24:00.708 INFO [stderr]     |
Dec 05 03:24:00.708 INFO [stderr] 141 |                         cli.leave();
Dec 05 03:24:00.708 INFO [stderr]     |                         ^^^^^^^^^^^^
Dec 05 03:24:00.708 INFO [stderr]     |
Dec 05 03:24:00.708 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.708 INFO [stderr] 
Dec 05 03:24:00.709 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.709 INFO [stderr]    --> src/server.rs:149:17
Dec 05 03:24:00.709 INFO [stderr]     |
Dec 05 03:24:00.709 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Dec 05 03:24:00.709 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.709 INFO [stderr]     |
Dec 05 03:24:00.709 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.709 INFO [stderr] 
Dec 05 03:24:00.710 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.710 INFO [stderr]   --> src/main.rs:39:9
Dec 05 03:24:00.710 INFO [stderr]    |
Dec 05 03:24:00.710 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Dec 05 03:24:00.710 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.710 INFO [stderr]    |
Dec 05 03:24:00.710 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.710 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 03:24:00.710 INFO [stderr] 
Dec 05 03:24:00.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.895 INFO [stderr]    --> src/server.rs:104:17
Dec 05 03:24:00.895 INFO [stderr]     |
Dec 05 03:24:00.895 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Dec 05 03:24:00.895 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.895 INFO [stderr]     |
Dec 05 03:24:00.895 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 03:24:00.895 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.895 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 03:24:00.895 INFO [stderr] 
Dec 05 03:24:00.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.895 INFO [stderr]    --> src/server.rs:114:25
Dec 05 03:24:00.895 INFO [stderr]     |
Dec 05 03:24:00.895 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Dec 05 03:24:00.895 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.895 INFO [stderr]     |
Dec 05 03:24:00.895 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.895 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 03:24:00.895 INFO [stderr] 
Dec 05 03:24:00.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.896 INFO [stderr]    --> src/server.rs:134:17
Dec 05 03:24:00.896 INFO [stderr]     |
Dec 05 03:24:00.896 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Dec 05 03:24:00.896 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.896 INFO [stderr]     |
Dec 05 03:24:00.896 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.896 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 03:24:00.896 INFO [stderr] 
Dec 05 03:24:00.896 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.896 INFO [stderr]    --> src/server.rs:139:21
Dec 05 03:24:00.896 INFO [stderr]     |
Dec 05 03:24:00.896 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Dec 05 03:24:00.896 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.896 INFO [stderr]     |
Dec 05 03:24:00.896 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.896 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 03:24:00.896 INFO [stderr] 
Dec 05 03:24:00.896 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.896 INFO [stderr]    --> src/server.rs:141:25
Dec 05 03:24:00.896 INFO [stderr]     |
Dec 05 03:24:00.896 INFO [stderr] 141 |                         cli.leave();
Dec 05 03:24:00.896 INFO [stderr]     |                         ^^^^^^^^^^^^
Dec 05 03:24:00.896 INFO [stderr]     |
Dec 05 03:24:00.896 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.896 INFO [stderr] 
Dec 05 03:24:00.896 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.896 INFO [stderr]    --> src/server.rs:149:17
Dec 05 03:24:00.896 INFO [stderr]     |
Dec 05 03:24:00.896 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Dec 05 03:24:00.896 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.896 INFO [stderr]     |
Dec 05 03:24:00.896 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.896 INFO [stderr] 
Dec 05 03:24:00.896 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:24:00.896 INFO [stderr]   --> src/main.rs:39:9
Dec 05 03:24:00.896 INFO [stderr]    |
Dec 05 03:24:00.896 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Dec 05 03:24:00.896 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:24:00.896 INFO [stderr]    |
Dec 05 03:24:00.896 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:24:00.896 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 03:24:00.896 INFO [stderr] 
Dec 05 03:24:00.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
Dec 05 03:24:00.940 INFO [stderr] su: No module specific data is present
Dec 05 03:24:02.278 INFO running `"docker" "inspect" "45eeca5cf177375af31c4e946b0608c1297e4f87bb8b8da9175259f439221189"`
Dec 05 03:24:02.623 INFO running `"docker" "rm" "-f" "45eeca5cf177375af31c4e946b0608c1297e4f87bb8b8da9175259f439221189"`
Dec 05 03:24:02.939 INFO [stdout] 45eeca5cf177375af31c4e946b0608c1297e4f87bb8b8da9175259f439221189