[INFO] fetching crate irc_message 1.0.0...
[INFO] checking irc_message-1.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate irc_message 1.0.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate irc_message 1.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6c021efb8d97e749356556559fdb437261a5cc5af820a8473d4264eb8f514e2
[INFO] running `Command { std: "docker" "start" "-a" "c6c021efb8d97e749356556559fdb437261a5cc5af820a8473d4264eb8f514e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c021efb8d97e749356556559fdb437261a5cc5af820a8473d4264eb8f514e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c021efb8d97e749356556559fdb437261a5cc5af820a8473d4264eb8f514e2", kill_on_drop: false }`
[INFO] [stdout] c6c021efb8d97e749356556559fdb437261a5cc5af820a8473d4264eb8f514e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82729e71f9482e63fc73b56a9f3e0b95825346740f5958f3abc2a8c1b0e0d2bd
[INFO] running `Command { std: "docker" "start" "-a" "82729e71f9482e63fc73b56a9f3e0b95825346740f5958f3abc2a8c1b0e0d2bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking irc_message v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             try!(fmt.write_str("@"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         try!(fmt.write_str(";"));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |                         try!(fmt.write_str("="));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         try!(fmt.write_str(val.as_ref()));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |                         try!(fmt.write_str(";"));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 try!(fmt.write_str(" "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             try!(fmt.write_str(":"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             try!(fmt.write_str(prefix.as_ref()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 try!(fmt.write_str(" "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             try!(fmt.write_str(command.as_ref()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(fmt.write_str(" "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:72:20
[INFO] [stdout]    |
[INFO] [stdout] 72 |                    try!(fmt.write_str(":"));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |                    try!(fmt.write_str(param.as_ref()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 try!(fmt.write_str(param.as_ref()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 try!(fmt.write_str(" "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]  --> src/tests.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout]   |                                    ^     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout] 9 +     assert_eq!(topic.command, Some("FOO"));
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout]    |                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout] 20 +     assert_eq!(topic.prefix, Some("test"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout]    |                                    ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout] 21 +     assert_eq!(topic.command, Some("FOO"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout]    |                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout] 32 +     assert_eq!(topic.prefix, Some("test"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:33:36
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout]    |                                    ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout] 33 +     assert_eq!(topic.command, Some("FOO"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:42:35
[INFO] [stdout]    |
[INFO] [stdout] 42 |     assert_eq!(topic.prefix, Some(("test!me@test.ing")));
[INFO] [stdout]    |                                   ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -     assert_eq!(topic.prefix, Some(("test!me@test.ing")));
[INFO] [stdout] 42 +     assert_eq!(topic.prefix, Some("test!me@test.ing"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:43:36
[INFO] [stdout]    |
[INFO] [stdout] 43 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout]    |                                    ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout] 43 +     assert_eq!(topic.command, Some("PRIVMSG"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout]    |                                    ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout] 52 +     assert_eq!(topic.command, Some("PRIVMSG"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout]    |                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout] 60 +     assert_eq!(topic.prefix, Some("test"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout]    |                                    ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout] 61 +     assert_eq!(topic.command, Some("PRIVMSG"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:69:35
[INFO] [stdout]    |
[INFO] [stdout] 69 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout]    |                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout] 69 +     assert_eq!(topic.prefix, Some("test"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout]    |                                    ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout] 70 +     assert_eq!(topic.command, Some("PRIVMSG"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout]    |                                   ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout] 78 +     assert_eq!(topic.prefix, Some("test"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:79:36
[INFO] [stdout]    |
[INFO] [stdout] 79 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout]    |                                    ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout] 79 +     assert_eq!(topic.command, Some("FOO"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:88:36
[INFO] [stdout]    |
[INFO] [stdout] 88 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout]    |                                    ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout] 88 +     assert_eq!(topic.command, Some("FOO"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/tests.rs:97:36
[INFO] [stdout]    |
[INFO] [stdout] 97 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout]    |                                    ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 97 -     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout] 97 +     assert_eq!(topic.command, Some("FOO"));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:106:36
[INFO] [stdout]     |
[INFO] [stdout] 106 |     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout]     |                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -     assert_eq!(topic.command, Some(("FOO")));
[INFO] [stdout] 106 +     assert_eq!(topic.command, Some("FOO"));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:114:35
[INFO] [stdout]     |
[INFO] [stdout] 114 |     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout]     |                                   ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -     assert_eq!(topic.prefix, Some(("test")));
[INFO] [stdout] 114 +     assert_eq!(topic.prefix, Some("test"));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout]     |                                    ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -     assert_eq!(topic.command, Some(("PRIVMSG")));
[INFO] [stdout] 115 +     assert_eq!(topic.command, Some("PRIVMSG"));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:127:42
[INFO] [stdout]     |
[INFO] [stdout] 127 |     assert!(topic.tags[("best")] == Some(("super")));
[INFO] [stdout]     |                                          ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 127 -     assert!(topic.tags[("best")] == Some(("super")));
[INFO] [stdout] 127 +     assert!(topic.tags[("best")] == Some("super"));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:129:34
[INFO] [stdout]     |
[INFO] [stdout] 129 |     assert!(topic.prefix == Some(("test!me@test.ing")));
[INFO] [stdout]     |                                  ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -     assert!(topic.prefix == Some(("test!me@test.ing")));
[INFO] [stdout] 129 +     assert!(topic.prefix == Some("test!me@test.ing"));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:130:35
[INFO] [stdout]     |
[INFO] [stdout] 130 |     assert!(topic.command == Some(("FOO")));
[INFO] [stdout]     |                                   ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -     assert!(topic.command == Some(("FOO")));
[INFO] [stdout] 130 +     assert!(topic.command == Some("FOO"));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             try!(fmt.write_str("@"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         try!(fmt.write_str(";"));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         try!(fmt.write_str(k.as_ref()));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |                         try!(fmt.write_str("="));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         try!(fmt.write_str(val.as_ref()));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |                         try!(fmt.write_str(";"));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 try!(fmt.write_str(" "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             try!(fmt.write_str(":"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             try!(fmt.write_str(prefix.as_ref()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 try!(fmt.write_str(" "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             try!(fmt.write_str(command.as_ref()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(fmt.write_str(" "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:72:20
[INFO] [stdout]    |
[INFO] [stdout] 72 |                    try!(fmt.write_str(":"));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |                    try!(fmt.write_str(param.as_ref()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 try!(fmt.write_str(param.as_ref()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 try!(fmt.write_str(" "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/lib.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let rest = rest.trim_left();
[INFO] [stdout]     |                             ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/lib.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let rest = rest.trim_left();
[INFO] [stdout]     |                             ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "82729e71f9482e63fc73b56a9f3e0b95825346740f5958f3abc2a8c1b0e0d2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82729e71f9482e63fc73b56a9f3e0b95825346740f5958f3abc2a8c1b0e0d2bd", kill_on_drop: false }`
[INFO] [stdout] 82729e71f9482e63fc73b56a9f3e0b95825346740f5958f3abc2a8c1b0e0d2bd