Dec 14 12:07:48.182 INFO testing ArtemFrantsiian/telnet_chat against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 12:07:48.182 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 12:07:48.507 INFO [stdout] 77fd8e9e37e253134920221648b7e20863650c582173db6c54811624fc5f9c55
Dec 14 12:07:48.509 INFO running `"docker" "start" "-a" "77fd8e9e37e253134920221648b7e20863650c582173db6c54811624fc5f9c55"`
Dec 14 12:07:49.123 INFO [stderr] usermod: no changes
Dec 14 12:07:49.275 INFO [stderr]    Compiling docopt v1.0.0
Dec 14 12:07:56.383 INFO [stderr]    Compiling telnet-chat v0.1.0 (/source)
Dec 14 12:07:59.275 INFO [stderr] warning: unused import: `HashSet`
Dec 14 12:07:59.275 INFO [stderr]  --> src/server.rs:1:33
Dec 14 12:07:59.275 INFO [stderr]   |
Dec 14 12:07:59.275 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Dec 14 12:07:59.275 INFO [stderr]   |                                 ^^^^^^^
Dec 14 12:07:59.275 INFO [stderr]   |
Dec 14 12:07:59.275 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 12:07:59.275 INFO [stderr] 
Dec 14 12:07:59.537 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:07:59.537 INFO [stderr]    --> src/server.rs:104:17
Dec 14 12:07:59.537 INFO [stderr]     |
Dec 14 12:07:59.537 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Dec 14 12:07:59.538 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:07:59.538 INFO [stderr]     |
Dec 14 12:07:59.538 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 12:07:59.539 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:07:59.539 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 14 12:07:59.539 INFO [stderr] 
Dec 14 12:07:59.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:07:59.540 INFO [stderr]    --> src/server.rs:114:25
Dec 14 12:07:59.540 INFO [stderr]     |
Dec 14 12:07:59.540 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Dec 14 12:07:59.540 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:07:59.541 INFO [stderr]     |
Dec 14 12:07:59.541 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:07:59.541 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)
Dec 14 12:07:59.541 INFO [stderr] 
Dec 14 12:07:59.542 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:07:59.542 INFO [stderr]    --> src/server.rs:134:17
Dec 14 12:07:59.542 INFO [stderr]     |
Dec 14 12:07:59.543 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Dec 14 12:07:59.543 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:07:59.543 INFO [stderr]     |
Dec 14 12:07:59.543 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:07:59.544 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 14 12:07:59.544 INFO [stderr] 
Dec 14 12:07:59.544 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:07:59.545 INFO [stderr]    --> src/server.rs:139:21
Dec 14 12:07:59.545 INFO [stderr]     |
Dec 14 12:07:59.545 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Dec 14 12:07:59.545 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:07:59.546 INFO [stderr]     |
Dec 14 12:07:59.546 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:07:59.546 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 14 12:07:59.546 INFO [stderr] 
Dec 14 12:07:59.547 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:07:59.547 INFO [stderr]    --> src/server.rs:141:25
Dec 14 12:07:59.547 INFO [stderr]     |
Dec 14 12:07:59.548 INFO [stderr] 141 |                         cli.leave();
Dec 14 12:07:59.548 INFO [stderr]     |                         ^^^^^^^^^^^^
Dec 14 12:07:59.548 INFO [stderr]     |
Dec 14 12:07:59.548 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:07:59.548 INFO [stderr] 
Dec 14 12:07:59.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:07:59.549 INFO [stderr]    --> src/server.rs:149:17
Dec 14 12:07:59.549 INFO [stderr]     |
Dec 14 12:07:59.550 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Dec 14 12:07:59.550 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:07:59.550 INFO [stderr]     |
Dec 14 12:07:59.550 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:07:59.551 INFO [stderr] 
Dec 14 12:07:59.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:07:59.552 INFO [stderr]   --> src/main.rs:39:9
Dec 14 12:07:59.552 INFO [stderr]    |
Dec 14 12:07:59.553 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Dec 14 12:07:59.553 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:07:59.553 INFO [stderr]    |
Dec 14 12:07:59.553 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:07:59.554 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)
Dec 14 12:07:59.554 INFO [stderr] 
Dec 14 12:08:03.571 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.42s
Dec 14 12:08:03.576 INFO [stderr] su: No module specific data is present
Dec 14 12:08:04.425 INFO running `"docker" "inspect" "77fd8e9e37e253134920221648b7e20863650c582173db6c54811624fc5f9c55"`
Dec 14 12:08:04.631 INFO running `"docker" "rm" "-f" "77fd8e9e37e253134920221648b7e20863650c582173db6c54811624fc5f9c55"`
Dec 14 12:08:04.749 INFO [stdout] 77fd8e9e37e253134920221648b7e20863650c582173db6c54811624fc5f9c55
Dec 14 12:08:04.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 12:08:05.051 INFO [stdout] b89b0aae72f60696dfe17435795d992f1d85beee4ebb922a255d57be5b041b70
Dec 14 12:08:05.053 INFO running `"docker" "start" "-a" "b89b0aae72f60696dfe17435795d992f1d85beee4ebb922a255d57be5b041b70"`
Dec 14 12:08:05.556 INFO [stderr] usermod: no changes
Dec 14 12:08:05.623 INFO [stderr]    Compiling telnet-chat v0.1.0 (/source)
Dec 14 12:08:07.075 INFO [stderr] warning: unused import: `HashSet`
Dec 14 12:08:07.075 INFO [stderr]  --> src/server.rs:1:33
Dec 14 12:08:07.075 INFO [stderr]   |
Dec 14 12:08:07.075 INFO [stderr] 1 | use std::collections::{HashMap, HashSet};
Dec 14 12:08:07.075 INFO [stderr]   |                                 ^^^^^^^
Dec 14 12:08:07.075 INFO [stderr]   |
Dec 14 12:08:07.075 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 12:08:07.075 INFO [stderr] 
Dec 14 12:08:07.254 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:08:07.254 INFO [stderr]    --> src/server.rs:104:17
Dec 14 12:08:07.254 INFO [stderr]     |
Dec 14 12:08:07.254 INFO [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
Dec 14 12:08:07.254 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:08:07.254 INFO [stderr]     |
Dec 14 12:08:07.254 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 12:08:07.254 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:08:07.254 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 14 12:08:07.254 INFO [stderr] 
Dec 14 12:08:07.254 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:08:07.254 INFO [stderr]    --> src/server.rs:114:25
Dec 14 12:08:07.254 INFO [stderr]     |
Dec 14 12:08:07.254 INFO [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
Dec 14 12:08:07.254 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:08:07.254 INFO [stderr]     |
Dec 14 12:08:07.254 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:08:07.254 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 14 12:08:07.254 INFO [stderr] 
Dec 14 12:08:07.254 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:08:07.254 INFO [stderr]    --> src/server.rs:134:17
Dec 14 12:08:07.255 INFO [stderr]     |
Dec 14 12:08:07.255 INFO [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
Dec 14 12:08:07.255 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:08:07.255 INFO [stderr]     |
Dec 14 12:08:07.255 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:08:07.255 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 14 12:08:07.255 INFO [stderr] 
Dec 14 12:08:07.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:08:07.255 INFO [stderr]    --> src/server.rs:139:21
Dec 14 12:08:07.255 INFO [stderr]     |
Dec 14 12:08:07.255 INFO [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
Dec 14 12:08:07.255 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:08:07.255 INFO [stderr]     |
Dec 14 12:08:07.255 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:08:07.255 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 14 12:08:07.255 INFO [stderr] 
Dec 14 12:08:07.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:08:07.255 INFO [stderr]    --> src/server.rs:141:25
Dec 14 12:08:07.255 INFO [stderr]     |
Dec 14 12:08:07.255 INFO [stderr] 141 |                         cli.leave();
Dec 14 12:08:07.255 INFO [stderr]     |                         ^^^^^^^^^^^^
Dec 14 12:08:07.255 INFO [stderr]     |
Dec 14 12:08:07.255 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:08:07.255 INFO [stderr] 
Dec 14 12:08:07.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:08:07.255 INFO [stderr]    --> src/server.rs:149:17
Dec 14 12:08:07.255 INFO [stderr]     |
Dec 14 12:08:07.255 INFO [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
Dec 14 12:08:07.255 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:08:07.255 INFO [stderr]     |
Dec 14 12:08:07.255 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:08:07.255 INFO [stderr] 
Dec 14 12:08:07.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:08:07.255 INFO [stderr]   --> src/main.rs:39:9
Dec 14 12:08:07.255 INFO [stderr]    |
Dec 14 12:08:07.255 INFO [stderr] 39 |         writeln!(io::stderr(), "{}", err);
Dec 14 12:08:07.255 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:08:07.255 INFO [stderr]    |
Dec 14 12:08:07.255 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:08:07.255 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 14 12:08:07.255 INFO [stderr] 
Dec 14 12:08:07.523 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Dec 14 12:08:07.523 INFO [stderr] su: No module specific data is present
Dec 14 12:08:07.876 INFO running `"docker" "inspect" "b89b0aae72f60696dfe17435795d992f1d85beee4ebb922a255d57be5b041b70"`
Dec 14 12:08:08.093 INFO running `"docker" "rm" "-f" "b89b0aae72f60696dfe17435795d992f1d85beee4ebb922a255d57be5b041b70"`
Dec 14 12:08:08.299 INFO [stdout] b89b0aae72f60696dfe17435795d992f1d85beee4ebb922a255d57be5b041b70
Dec 14 12:08:08.307 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 12:08:08.748 INFO [stdout] df205f0704dd5390c4153b49c56864fba8d7fc6563e60254f635c86f319576e4
Dec 14 12:08:08.751 INFO running `"docker" "start" "-a" "df205f0704dd5390c4153b49c56864fba8d7fc6563e60254f635c86f319576e4"`
Dec 14 12:08:09.446 INFO [stderr] usermod: no changes
Dec 14 12:08:09.517 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 14 12:08:09.535 INFO [stderr]      Running /target/debug/deps/telnet_chat-fb42ea8710ad3f16
Dec 14 12:08:09.543 INFO [stdout] 
Dec 14 12:08:09.543 INFO [stdout] running 0 tests
Dec 14 12:08:09.543 INFO [stdout] 
Dec 14 12:08:09.543 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:08:09.543 INFO [stdout] 
Dec 14 12:08:09.543 INFO [stderr] su: No module specific data is present
Dec 14 12:08:09.906 INFO running `"docker" "inspect" "df205f0704dd5390c4153b49c56864fba8d7fc6563e60254f635c86f319576e4"`
Dec 14 12:08:09.993 INFO running `"docker" "rm" "-f" "df205f0704dd5390c4153b49c56864fba8d7fc6563e60254f635c86f319576e4"`
Dec 14 12:08:10.110 INFO [stdout] df205f0704dd5390c4153b49c56864fba8d7fc6563e60254f635c86f319576e4