[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<Keywords<'static>> {
[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<Option<String>> {
[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<String>> {
[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<MyWorld, Infallible>
[INFO] [stdout]   --> tests/cucumber.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn new() -> Result<Self, Infallible> {
[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<MyWorld, Infallible>
[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<MyWorld, Infallible>
[INFO] [stdout]   --> tests/cucumber.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 |       async fn new() -> Result<Self, Infallible> {
[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<MyWorld, Infallible>
[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<Keywords<'static>> {
[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<Option<String>> {
[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<String>> {
[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
