[INFO] fetching crate gherkin_rust 0.10.1... [INFO] checking gherkin_rust-0.10.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate gherkin_rust 0.10.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate gherkin_rust 0.10.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate gherkin_rust 0.10.1 [INFO] tweaked toml for crates.io crate gherkin_rust 0.10.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gherkin_rust 0.10.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 163 packages to latest compatible versions [INFO] [stderr] Adding cucumber_rust v0.8.4 (available: v0.10.0) [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding juniper v0.15.12 (available: v0.17.0) [INFO] [stderr] Adding peg v0.6.3 (available: v0.8.5) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.110) [INFO] [stderr] Adding textwrap v0.12.1 (available: v0.16.2) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] [stderr] Adding typed-builder v0.7.1 (available: v0.23.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cfd933075d072d1290bc2b7b9862f7369e9b0644b2a8af75758b8437eddc1e8 [INFO] running `Command { std: "docker" "start" "-a" "4cfd933075d072d1290bc2b7b9862f7369e9b0644b2a8af75758b8437eddc1e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cfd933075d072d1290bc2b7b9862f7369e9b0644b2a8af75758b8437eddc1e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cfd933075d072d1290bc2b7b9862f7369e9b0644b2a8af75758b8437eddc1e8", kill_on_drop: false }` [INFO] [stdout] 4cfd933075d072d1290bc2b7b9862f7369e9b0644b2a8af75758b8437eddc1e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0b88c231ceb78102ea8d22a0922f35f5508db9e2eaa665cf15061106332d93d [INFO] running `Command { std: "docker" "start" "-a" "b0b88c231ceb78102ea8d22a0922f35f5508db9e2eaa665cf15061106332d93d", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v1.1.4 [INFO] [stderr] Compiling peg-runtime v0.6.3 [INFO] [stderr] Checking bstr v1.12.1 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling typed-builder v0.7.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking shh v1.0.1 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Compiling peg-macros v0.6.3 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking peg v0.6.3 [INFO] [stderr] Checking globset v0.4.18 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking ignore v0.4.25 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Compiling cute_custom_default v2.2.0 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Checking async-stream v0.3.6 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Compiling gherkin_rust v0.10.1 [INFO] [stderr] Compiling gherkin_rust v0.10.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | fn keywords(&self) -> std::cell::Ref> { [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] 54 | fn keywords(&self) -> std::cell::Ref<'_, Keywords<'static>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | fn last_keyword(&self) -> std::cell::Ref> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 66 | fn last_keyword(&self) -> std::cell::Ref<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking cucumber_rust v0.8.4 [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/cucumber.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | async fn new() -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/cucumber.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[async_trait(?Send)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the attribute macro `async_trait` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/cucumber.rs:12:48 [INFO] [stdout] | [INFO] [stdout] 12 | async fn new() -> Result { [INFO] [stdout] | ________________________________________________^ [INFO] [stdout] 13 | | Ok(MyWorld {}) [INFO] [stdout] 14 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> tests/cucumber.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | Ok(MyWorld {}) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gherkin_rust` (test "cucumber") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | fn keywords(&self) -> std::cell::Ref> { [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] 54 | fn keywords(&self) -> std::cell::Ref<'_, Keywords<'static>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | fn last_keyword(&self) -> std::cell::Ref> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 66 | fn last_keyword(&self) -> std::cell::Ref<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b0b88c231ceb78102ea8d22a0922f35f5508db9e2eaa665cf15061106332d93d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0b88c231ceb78102ea8d22a0922f35f5508db9e2eaa665cf15061106332d93d", kill_on_drop: false }` [INFO] [stdout] b0b88c231ceb78102ea8d22a0922f35f5508db9e2eaa665cf15061106332d93d