[INFO] fetching crate slack_cmd_core 0.0.6...
[INFO] checking slack_cmd_core-0.0.6 against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764
[INFO] extracting crate slack_cmd_core 0.0.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate slack_cmd_core 0.0.6
[INFO] finished tweaking crates.io crate slack_cmd_core 0.0.6
[INFO] tweaked toml for crates.io crate slack_cmd_core 0.0.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slack_cmd_core 0.0.6 on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] [stdout] d1845dcab1f8042815bb784ce97702d5b010298c560459da9ed38fae17207ce0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1804e365020095c036855775b523649a7ed7b95a39be88c14ac76566fa418279
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[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/listener.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 | ) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stdout]    |                     ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 - ) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stdout] 67 + ) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/listener.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 | ) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stdout]    |                     ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 - ) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stdout] 67 + ) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/slack_cli/cli_impl.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get_session(&self) -> SlackClientSession<SlackClientHyperHttpsConnector> {
[INFO] [stdout]    |                        ^^^^^     -------------------------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get_session(&self) -> SlackClientSession<'_, SlackClientHyperHttpsConnector> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/slack_cli/cli_impl.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get_session(&self) -> SlackClientSession<SlackClientHyperHttpsConnector> {
[INFO] [stdout]    |                        ^^^^^     -------------------------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get_session(&self) -> SlackClientSession<'_, SlackClientHyperHttpsConnector> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "1804e365020095c036855775b523649a7ed7b95a39be88c14ac76566fa418279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1804e365020095c036855775b523649a7ed7b95a39be88c14ac76566fa418279", kill_on_drop: false }`
[INFO] [stdout] 1804e365020095c036855775b523649a7ed7b95a39be88c14ac76566fa418279
