[INFO] cloning repository https://github.com/jeffa5/maills
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffa5/maills" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffa5%2Fmaills", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffa5%2Fmaills'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56147e450966737a0dc0a49eadba6d820cd1777c
[INFO] testing jeffa5/maills against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffa5%2Fmaills" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jeffa5/maills
[INFO] finished tweaking git repo https://github.com/jeffa5/maills
[INFO] tweaked toml for git repo https://github.com/jeffa5/maills written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeffa5/maills on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jeffa5/maills already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5342dfc49a254e25f5cbe25449f5f4acbb8bfd0c4de5dd340274baa1fc30c939
[INFO] running `Command { std: "docker" "start" "-a" "5342dfc49a254e25f5cbe25449f5f4acbb8bfd0c4de5dd340274baa1fc30c939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5342dfc49a254e25f5cbe25449f5f4acbb8bfd0c4de5dd340274baa1fc30c939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5342dfc49a254e25f5cbe25449f5f4acbb8bfd0c4de5dd340274baa1fc30c939", kill_on_drop: false }`
[INFO] [stdout] 5342dfc49a254e25f5cbe25449f5f4acbb8bfd0c4de5dd340274baa1fc30c939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b5a3fe70bb3a09e5ca4d6523517752b5d1dcc3691ec6c7d515592ff4618029b
[INFO] running `Command { std: "docker" "start" "-a" "6b5a3fe70bb3a09e5ca4d6523517752b5d1dcc3691ec6c7d515592ff4618029b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling litemap v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling uriparse v0.6.4
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling text-size v1.1.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling line-index v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling logos-codegen v0.14.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling zerofrom v0.1.4
[INFO] [stderr]    Compiling yoke v0.7.4
[INFO] [stderr]    Compiling logos-derive v0.14.2
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling logos v0.14.2
[INFO] [stderr]    Compiling vcard4 v0.5.2
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling lsp-server v0.7.6
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.3
[INFO] [stderr]    Compiling lsp-types v0.95.1
[INFO] [stderr]    Compiling maills v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/contact_source.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stdout]    |                                                  ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stdout] 13 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/contact_source.rs:40:50
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stdout]    |                                                  ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stdout] 40 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.85s
[INFO] running `Command { std: "docker" "inspect" "6b5a3fe70bb3a09e5ca4d6523517752b5d1dcc3691ec6c7d515592ff4618029b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5a3fe70bb3a09e5ca4d6523517752b5d1dcc3691ec6c7d515592ff4618029b", kill_on_drop: false }`
[INFO] [stdout] 6b5a3fe70bb3a09e5ca4d6523517752b5d1dcc3691ec6c7d515592ff4618029b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb5076a48d46f9713444e9a7af122fe49cf93146bd03bd25e57ce01adbac5524
[INFO] running `Command { std: "docker" "start" "-a" "fb5076a48d46f9713444e9a7af122fe49cf93146bd03bd25e57ce01adbac5524", kill_on_drop: false }`
[INFO] [stderr]    Compiling dissimilar v1.0.7
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/contact_source.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stdout]    |                                                  ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stdout] 13 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/contact_source.rs:40:50
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stdout]    |                                                  ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stdout] 40 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling expect-test v1.5.0
[INFO] [stderr]    Compiling maills v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/contact_source.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stdout]    |                                                  ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stdout] 13 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/contact_source.rs:40:50
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stdout]    |                                                  ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stdout] 40 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "fb5076a48d46f9713444e9a7af122fe49cf93146bd03bd25e57ce01adbac5524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5076a48d46f9713444e9a7af122fe49cf93146bd03bd25e57ce01adbac5524", kill_on_drop: false }`
[INFO] [stdout] fb5076a48d46f9713444e9a7af122fe49cf93146bd03bd25e57ce01adbac5524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 499bbe0b81e9d76e7784060769cebe553d9c417fe2c900d1aea4dd798255ab49
[INFO] running `Command { std: "docker" "start" "-a" "499bbe0b81e9d76e7784060769cebe553d9c417fe2c900d1aea4dd798255ab49", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/contact_source.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stderr]    |                                                  ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 13 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stderr] 13 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/contact_source.rs:40:50
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stderr]    |                                                  ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 40 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stderr] 40 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `maills` (lib) generated 2 warnings (run `cargo fix --lib -p maills` to apply 2 suggestions)
[INFO] [stderr] warning: `maills` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maills-26b919d125fe1fc3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test mailbox::tests::from_str ... ok
[INFO] [stdout] test mailbox::tests::from_line_at_context ... ok
[INFO] [stdout] test mailbox::tests::from_line_at_quote ... ok
[INFO] [stdout] test mailbox::tests::from_line_at ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/maills-564515b244fc1286)
[INFO] [stderr]    Doc-tests maills
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/contact_source.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stderr]    |                                                  ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 13 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)>;
[INFO] [stderr] 13 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/contact_source.rs:40:50
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stderr]    |                                                  ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 40 -     fn find_matching(&self, word: String) -> Box<(dyn Iterator<Item = (String, Mailbox)> + '_)> {
[INFO] [stderr] 40 +     fn find_matching(&self, word: String) -> Box<dyn Iterator<Item = (String, Mailbox)> + '_> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "499bbe0b81e9d76e7784060769cebe553d9c417fe2c900d1aea4dd798255ab49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499bbe0b81e9d76e7784060769cebe553d9c417fe2c900d1aea4dd798255ab49", kill_on_drop: false }`
[INFO] [stdout] 499bbe0b81e9d76e7784060769cebe553d9c417fe2c900d1aea4dd798255ab49