[INFO] fetching crate slack_cmd_core 0.0.6...
[INFO] testing slack_cmd_core-0.0.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate slack_cmd_core 0.0.6 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slack_cmd_core 0.0.6 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 272 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding matchit v0.8.4 (available: v0.8.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 997c5f703184f353175c5e5e52682c463567714e1cfa616c13162ebc02df0664
[INFO] running `Command { std: "docker" "start" "-a" "997c5f703184f353175c5e5e52682c463567714e1cfa616c13162ebc02df0664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "997c5f703184f353175c5e5e52682c463567714e1cfa616c13162ebc02df0664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997c5f703184f353175c5e5e52682c463567714e1cfa616c13162ebc02df0664", kill_on_drop: false }`
[INFO] [stdout] 997c5f703184f353175c5e5e52682c463567714e1cfa616c13162ebc02df0664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d164a6019c0fe5490dba6b97cdddd33c416b9632df90a6abc2b48de0223f63e2
[INFO] running `Command { std: "docker" "start" "-a" "d164a6019c0fe5490dba6b97cdddd33c416b9632df90a6abc2b48de0223f63e2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling icu_collections v2.2.0
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[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
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[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling signal-hook-tokio v0.4.0
[INFO] [stderr]    Compiling futures-locks v0.7.1
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[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling tungstenite v0.29.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.29.0
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-rustls v0.27.9
[INFO] [stderr]    Compiling axum v0.8.9
[INFO] [stderr]    Compiling slack-morphism v2.20.0
[INFO] [stderr]    Compiling slack_cmd_core v0.0.6 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type 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 55s
[INFO] running `Command { std: "docker" "inspect" "d164a6019c0fe5490dba6b97cdddd33c416b9632df90a6abc2b48de0223f63e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d164a6019c0fe5490dba6b97cdddd33c416b9632df90a6abc2b48de0223f63e2", kill_on_drop: false }`
[INFO] [stdout] d164a6019c0fe5490dba6b97cdddd33c416b9632df90a6abc2b48de0223f63e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cb910f155038f84de874d3e01204e3485f89c801102acde4a03f819ee9d0ade
[INFO] running `Command { std: "docker" "start" "-a" "9cb910f155038f84de874d3e01204e3485f89c801102acde4a03f819ee9d0ade", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get_session(&self) -> SlackClientSession<'_, SlackClientHyperHttpsConnector> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slack_cmd_core v0.0.6 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get_session(&self) -> SlackClientSession<'_, SlackClientHyperHttpsConnector> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "9cb910f155038f84de874d3e01204e3485f89c801102acde4a03f819ee9d0ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb910f155038f84de874d3e01204e3485f89c801102acde4a03f819ee9d0ade", kill_on_drop: false }`
[INFO] [stdout] 9cb910f155038f84de874d3e01204e3485f89c801102acde4a03f819ee9d0ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24a7388711a916e946ca0b0276cd7c64ef69f19b867dd1f28c293c15be048361
[INFO] running `Command { std: "docker" "start" "-a" "24a7388711a916e946ca0b0276cd7c64ef69f19b867dd1f28c293c15be048361", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/listener.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 | ) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[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] 67 - ) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stderr] 67 + ) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static >> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/slack_cli/cli_impl.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get_session(&self) -> SlackClientSession<SlackClientHyperHttpsConnector> {
[INFO] [stderr]    |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get_session(&self) -> SlackClientSession<'_, SlackClientHyperHttpsConnector> {
[INFO] [stderr]    |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `slack_cmd_core` (lib) generated 2 warnings (run `cargo fix --lib -p slack_cmd_core` to apply 2 suggestions)
[INFO] [stderr] warning: `slack_cmd_core` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slack_cmd_core-c5861b4483362a2e)
[INFO] [stderr]    Doc-tests slack_cmd_core
[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/listener.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 | ) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[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] 67 - ) -> Result<(), Box<(dyn std::error::Error + Send + Sync + 'static)>> {
[INFO] [stderr] 67 + ) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static >> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning 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" "24a7388711a916e946ca0b0276cd7c64ef69f19b867dd1f28c293c15be048361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a7388711a916e946ca0b0276cd7c64ef69f19b867dd1f28c293c15be048361", kill_on_drop: false }`
[INFO] [stdout] 24a7388711a916e946ca0b0276cd7c64ef69f19b867dd1f28c293c15be048361
