[INFO] cloning repository https://github.com/Centril/consensusbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Centril/consensusbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentril%2Fconsensusbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentril%2Fconsensusbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18dbb644e044f0562de9158ded1a555b492c0671
[INFO] testing Centril/consensusbot against beta-2021-09-12 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentril%2Fconsensusbot" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Centril/consensusbot on toolchain beta-2021-09-12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Centril/consensusbot
[INFO] finished tweaking git repo https://github.com/Centril/consensusbot
[INFO] tweaked toml for git repo https://github.com/Centril/consensusbot written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Centril/consensusbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v3.5.1
[INFO] [stderr]   Downloaded wait-timeout v0.1.5
[INFO] [stderr]   Downloaded rusty-fork v0.2.1
[INFO] [stderr]   Downloaded syn v0.15.1
[INFO] [stderr]   Downloaded proptest v0.8.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adb92eb8b58fbbd0a4ac0a72bac670afc55933d43200b5ecf903c2870068920e
[INFO] running `Command { std: "docker" "start" "-a" "adb92eb8b58fbbd0a4ac0a72bac670afc55933d43200b5ecf903c2870068920e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adb92eb8b58fbbd0a4ac0a72bac670afc55933d43200b5ecf903c2870068920e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb92eb8b58fbbd0a4ac0a72bac670afc55933d43200b5ecf903c2870068920e", kill_on_drop: false }`
[INFO] [stdout] adb92eb8b58fbbd0a4ac0a72bac670afc55933d43200b5ecf903c2870068920e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2021-09-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f527cf5c193e15dc5d268f703d947db41faf774dd73b2c0d453e6b3338675ff8
[INFO] running `Command { std: "docker" "start" "-a" "f527cf5c193e15dc5d268f703d947db41faf774dd73b2c0d453e6b3338675ff8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling combine v3.5.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.1
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]    Compiling rfcbot-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:207:1
[INFO] [stdout]     |
[INFO] [stdout] 207 | / /// Parser recognizing rfcbot commands in a single line;
[INFO] [stdout] 208 | | /// This parser expects that any text has been split up into lines before.
[INFO] [stdout]     | |_-------------------------------------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:216:1
[INFO] [stdout]     |
[INFO] [stdout] 216 | / /// Parser recognizing an inline rfcbot invocation in the form of:
[INFO] [stdout] 217 | | /// `some text {@rfcbot command...}`.
[INFO] [stdout] 218 | | ///
[INFO] [stdout] 219 | | /// Example: `I think we should totally {@rfcbot merge} this`.
[INFO] [stdout]     | |_-------------------------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / /// Parser which recognizes a full rfcbot invocation including
[INFO] [stdout] 226 | | /// `@rfcbot` optional colon, optional "fcp" / "pr", and the subcommand.
[INFO] [stdout] 227 | | ///
[INFO] [stdout] 228 | | /// This parser is parameterized on whether we are in an inline context or not.
[INFO] [stdout]     | |_------------------------------------------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:259:1
[INFO] [stdout]     |
[INFO] [stdout] 259 | / /// Parser recognizing all the subcommands without
[INFO] [stdout] 260 | | /// the leading `@rfcbot` invocation.
[INFO] [stdout]     | |_------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:273:1
[INFO] [stdout]     |
[INFO] [stdout] 273 | / /// Parser recognizing a `cancel` command.
[INFO] [stdout] 274 | | /// Example: `@rfcbot cancel`.
[INFO] [stdout]     | |_-----------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | / /// Parser recognizing a `reviewed` command.
[INFO] [stdout] 279 | | /// Example: `@rfcbot reviewed`.
[INFO] [stdout]     | |_-------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:283:1
[INFO] [stdout]     |
[INFO] [stdout] 283 | / /// Parser recognizing an `unreviewed` command.
[INFO] [stdout] 284 | | /// Example: `@rfcbot unreviewed`.
[INFO] [stdout]     | |_---------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:288:1
[INFO] [stdout]     |
[INFO] [stdout] 288 | / /// Parser recognizing a `hold` command.
[INFO] [stdout] 289 | | /// Example: `@rfcbot hold`.
[INFO] [stdout]     | |_---------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:293:1
[INFO] [stdout]     |
[INFO] [stdout] 293 | / /// Parser recognizing an `unhold` command.
[INFO] [stdout] 294 | | /// Example: `@rfcbot unhold`.
[INFO] [stdout]     | |_-----------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:298:1
[INFO] [stdout]     |
[INFO] [stdout] 298 | / /// Parser recognizing a `merge` command.
[INFO] [stdout] 299 | | /// Example: `@rfcbot merge`.
[INFO] [stdout] 300 | | /// Example: `@rfcbot merge lang, compiler`.
[INFO] [stdout]     | |_-------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:307:1
[INFO] [stdout]     |
[INFO] [stdout] 307 | / /// Parser recognizing a `close` command.
[INFO] [stdout] 308 | | /// Example: `@rfcbot close`.
[INFO] [stdout] 309 | | /// Example: `@rfcbot close lang, compiler`.
[INFO] [stdout]     | |_-------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:316:1
[INFO] [stdout]     |
[INFO] [stdout] 316 | / /// Parser recognizing a `postpone` command.
[INFO] [stdout] 317 | | /// Example: `@rfcbot postpone`.
[INFO] [stdout] 318 | | /// Example: `@rfcbot postpone lang, compiler`.
[INFO] [stdout]     | |_----------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:325:1
[INFO] [stdout]     |
[INFO] [stdout] 325 | / /// Parser recognizing an `add-team` command.
[INFO] [stdout] 326 | | /// Example: `@rfcbot add-team lang, compiler`.
[INFO] [stdout]     | |_----------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:337:1
[INFO] [stdout]     |
[INFO] [stdout] 337 | / /// Parser recognizing a `remove-team` command.
[INFO] [stdout] 338 | | /// Example: `@rfcbot remove-team lang, compiler`.
[INFO] [stdout]     | |_-------------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:349:1
[INFO] [stdout]     |
[INFO] [stdout] 349 | /// Parser recognizing a concern message.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:353:1
[INFO] [stdout]     |
[INFO] [stdout] 353 | / /// Parser recognizing a `concern` command.
[INFO] [stdout] 354 | | /// Example: `@rfcbot concern this seems wrong`.
[INFO] [stdout]     | |_-----------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:360:1
[INFO] [stdout]     |
[INFO] [stdout] 360 | / /// Parser recognizing a `resolve` command.
[INFO] [stdout] 361 | | /// Example: `@rfcbot resolve this seems wrong`.
[INFO] [stdout]     | |_-----------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:367:1
[INFO] [stdout]     |
[INFO] [stdout] 367 | / /// Parser recognizing a feedback request command.
[INFO] [stdout] 368 | | /// Example: `@rfcbot f? @user`.
[INFO] [stdout]     | |_-------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:379:1
[INFO] [stdout]     |
[INFO] [stdout] 379 | / /// Parser recognizing a poll command.
[INFO] [stdout] 380 | | /// Example: `@rfcbot poll lang, compiler > Isn't this nice?`
[INFO] [stdout]     | |_------------------------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:405:1
[INFO] [stdout]     |
[INFO] [stdout] 405 | /// Parser recognizing a set of teams.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:423:1
[INFO] [stdout]     |
[INFO] [stdout] 423 | /// Parser recognizing an optional set of teams.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:429:1
[INFO] [stdout]     |
[INFO] [stdout] 429 | / /// Parser which recognizes the remainder of a line or if `inline == true`
[INFO] [stdout] 430 | | /// then it matches until `inline_end()`.
[INFO] [stdout]     | |_----------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:445:1
[INFO] [stdout]     |
[INFO] [stdout] 445 | /// Parser which recognizes a case insensitive match on the given tag.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:451:1
[INFO] [stdout]     |
[INFO] [stdout] 451 | /// Parser which eats \s+.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/command/parser.rs:454:1
[INFO] [stdout]     |
[INFO] [stdout] 454 | /// Parser which eats \s*.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/command/ast.rs:67:57
[INFO] [stdout]    |
[INFO] [stdout] 67 |             buf.extend(teams.iter().map(|s| s.as_ref()).intersperse(", "));
[INFO] [stdout]    |                                                         ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::iter::Map<I, F>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 67 |             buf.extend(Iterator::intersperse(teams.iter().map(|s| s.as_ref()), ", "));
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 67 |             buf.extend(Itertools::intersperse(teams.iter().map(|s| s.as_ref()), ", "));
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/command/ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rfcbot-lib` due to 2 previous errors; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f527cf5c193e15dc5d268f703d947db41faf774dd73b2c0d453e6b3338675ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f527cf5c193e15dc5d268f703d947db41faf774dd73b2c0d453e6b3338675ff8", kill_on_drop: false }`
[INFO] [stdout] f527cf5c193e15dc5d268f703d947db41faf774dd73b2c0d453e6b3338675ff8