[INFO] crate irc_message 1.0.0 is already in cache
[INFO] testing irc_message-1.0.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate irc_message 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate irc_message 1.0.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate irc_message 1.0.0
[INFO] finished tweaking crates.io crate irc_message 1.0.0
[INFO] tweaked toml for crates.io crate irc_message 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 04059c3e12c8aac62184b75f64c60d9e1ea7fdfa45274fe47736a3b5e8c122cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "04059c3e12c8aac62184b75f64c60d9e1ea7fdfa45274fe47736a3b5e8c122cd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling irc_message v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(fmt.write_str("@"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |                         try!(fmt.write_str("="));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         try!(fmt.write_str(val.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(fmt.write_str(":"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(fmt.write_str(prefix.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             try!(fmt.write_str(command.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |                    try!(fmt.write_str(":"));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |                    try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/lib.rs:104:29
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let rest = rest.trim_left();
[INFO] [stderr]     |                             ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "04059c3e12c8aac62184b75f64c60d9e1ea7fdfa45274fe47736a3b5e8c122cd"`
[INFO] running `"docker" "rm" "-f" "04059c3e12c8aac62184b75f64c60d9e1ea7fdfa45274fe47736a3b5e8c122cd"`
[INFO] [stdout] 04059c3e12c8aac62184b75f64c60d9e1ea7fdfa45274fe47736a3b5e8c122cd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3b485f0f668150f86d828e174641bf47813511e8d762deab8457986856d3ea56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3b485f0f668150f86d828e174641bf47813511e8d762deab8457986856d3ea56"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling irc_message v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(fmt.write_str("@"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |                         try!(fmt.write_str("="));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         try!(fmt.write_str(val.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(fmt.write_str(":"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(fmt.write_str(prefix.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             try!(fmt.write_str(command.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |                    try!(fmt.write_str(":"));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |                    try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/lib.rs:104:29
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let rest = rest.trim_left();
[INFO] [stderr]     |                             ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(fmt.write_str("@"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |                         try!(fmt.write_str("="));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         try!(fmt.write_str(val.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(fmt.write_str(":"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(fmt.write_str(prefix.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             try!(fmt.write_str(command.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |                    try!(fmt.write_str(":"));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |                    try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]  --> src/tests.rs:9:36
[INFO] [stderr]   |
[INFO] [stderr] 9 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]   |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:20:35
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:21:36
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:32:35
[INFO] [stderr]    |
[INFO] [stderr] 32 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:33:36
[INFO] [stderr]    |
[INFO] [stderr] 33 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |     assert_eq!(topic.prefix, Some(("test!me@test.ing")));
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:60:35
[INFO] [stderr]    |
[INFO] [stderr] 60 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:61:36
[INFO] [stderr]    |
[INFO] [stderr] 61 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:69:35
[INFO] [stderr]    |
[INFO] [stderr] 69 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:78:35
[INFO] [stderr]    |
[INFO] [stderr] 78 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:88:36
[INFO] [stderr]    |
[INFO] [stderr] 88 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:97:36
[INFO] [stderr]    |
[INFO] [stderr] 97 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:106:36
[INFO] [stderr]     |
[INFO] [stderr] 106 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]     |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:114:35
[INFO] [stderr]     |
[INFO] [stderr] 114 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]     |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:115:36
[INFO] [stderr]     |
[INFO] [stderr] 115 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]     |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 |     assert!(topic.tags[("best")] == Some(("super")));
[INFO] [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:129:34
[INFO] [stderr]     |
[INFO] [stderr] 129 |     assert!(topic.prefix == Some(("test!me@test.ing")));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:130:35
[INFO] [stderr]     |
[INFO] [stderr] 130 |     assert!(topic.command == Some(("FOO")));
[INFO] [stderr]     |                                   ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/lib.rs:104:29
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let rest = rest.trim_left();
[INFO] [stderr]     |                             ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "3b485f0f668150f86d828e174641bf47813511e8d762deab8457986856d3ea56"`
[INFO] running `"docker" "rm" "-f" "3b485f0f668150f86d828e174641bf47813511e8d762deab8457986856d3ea56"`
[INFO] [stdout] 3b485f0f668150f86d828e174641bf47813511e8d762deab8457986856d3ea56
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b2870b5b7661f2fc61e49ed742be295764c9fa1efc2997e7ac6435b86b0d1e1
[INFO] running `"docker" "start" "-a" "3b2870b5b7661f2fc61e49ed742be295764c9fa1efc2997e7ac6435b86b0d1e1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(fmt.write_str("@"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(fmt.write_str("@"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |                         try!(fmt.write_str("="));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         try!(fmt.write_str(val.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(fmt.write_str(":"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(fmt.write_str(prefix.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |                         try!(fmt.write_str("="));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             try!(fmt.write_str(command.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         try!(fmt.write_str(val.as_ref()));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |                    try!(fmt.write_str(":"));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |                    try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |                         try!(fmt.write_str(";"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/lib.rs:104:29
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let rest = rest.trim_left();
[INFO] [stderr]     |                             ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(fmt.write_str(":"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(fmt.write_str(prefix.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             try!(fmt.write_str(command.as_ref()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |                    try!(fmt.write_str(":"));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |                    try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 try!(fmt.write_str(param.as_ref()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 try!(fmt.write_str(" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]  --> src/tests.rs:9:36
[INFO] [stderr]   |
[INFO] [stderr] 9 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]   |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:20:35
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:21:36
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:32:35
[INFO] [stderr]    |
[INFO] [stderr] 32 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:33:36
[INFO] [stderr]    |
[INFO] [stderr] 33 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |     assert_eq!(topic.prefix, Some(("test!me@test.ing")));
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:60:35
[INFO] [stderr]    |
[INFO] [stderr] 60 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:61:36
[INFO] [stderr]    |
[INFO] [stderr] 61 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:69:35
[INFO] [stderr]    |
[INFO] [stderr] 69 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:78:35
[INFO] [stderr]    |
[INFO] [stderr] 78 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:88:36
[INFO] [stderr]    |
[INFO] [stderr] 88 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/tests.rs:97:36
[INFO] [stderr]    |
[INFO] [stderr] 97 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]    |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:106:36
[INFO] [stderr]     |
[INFO] [stderr] 106 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stderr]     |                                    ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:114:35
[INFO] [stderr]     |
[INFO] [stderr] 114 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stderr]     |                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:115:36
[INFO] [stderr]     |
[INFO] [stderr] 115 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stderr]     |                                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 |     assert!(topic.tags[("best")] == Some(("super")));
[INFO] [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:129:34
[INFO] [stderr]     |
[INFO] [stderr] 129 |     assert!(topic.prefix == Some(("test!me@test.ing")));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tests.rs:130:35
[INFO] [stderr]     |
[INFO] [stderr] 130 |     assert!(topic.command == Some(("FOO")));
[INFO] [stderr]     |                                   ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/lib.rs:104:29
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let rest = rest.trim_left();
[INFO] [stderr]     |                             ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/irc_message-ea4dc81364944419
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::command_middle_trailing_spaces ... ok
[INFO] [stdout] test tests::command_only ... ok
[INFO] [stdout] test tests::multiple_middle_containing_colons ... ok
[INFO] [stdout] test tests::multiple_middle_extra_spaces ... ok
[INFO] [stdout] test tests::multiple_middle_no_prefix ... ok
[INFO] [stdout] test tests::multiple_middle_trailing_params ... ok
[INFO] [stdout] test tests::prefix_command ... ok
[INFO] [stdout] test tests::multiple_params_prefix ... ok
[INFO] [stdout] test tests::prefix_command_middle_trailing_param ... ok
[INFO] [stdout] test tests::prefix_command_middle_trailing_spaces ... ok
[INFO] [stdout] test tests::prefix_command_trailing_space ... ok
[INFO] [stdout] test tests::tags_prefix_command_middle_params_trailiing_params ... ok
[INFO] [stdout] test tests::extraneous_spaces ... ok
[INFO] [stdout] test tests::read_long_logs_1 ... ok
[INFO] [stdout] test tests::read_intro_logs_1 ... ok
[INFO] [stdout] test tests::read_intro_logs_2 ... ok
[INFO] [stdout] test tests::read_long_logs_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests irc_message
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3b2870b5b7661f2fc61e49ed742be295764c9fa1efc2997e7ac6435b86b0d1e1"`
[INFO] running `"docker" "rm" "-f" "3b2870b5b7661f2fc61e49ed742be295764c9fa1efc2997e7ac6435b86b0d1e1"`
[INFO] [stdout] 3b2870b5b7661f2fc61e49ed742be295764c9fa1efc2997e7ac6435b86b0d1e1