[INFO] fetching crate xmlity-quick-xml 0.0.8...
[INFO] checking xmlity-quick-xml-0.0.8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate xmlity-quick-xml 0.0.8 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate xmlity-quick-xml 0.0.8
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xmlity-quick-xml 0.0.8
[INFO] tweaked toml for crates.io crate xmlity-quick-xml 0.0.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xmlity-quick-xml 0.0.8 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] crate crates.io crate xmlity-quick-xml 0.0.8 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e220b9452b6a933e8560e6cfeb25d5e8b104eb72e07b9db192f0df75c8b377d1
[INFO] running `Command { std: "docker" "start" "-a" "e220b9452b6a933e8560e6cfeb25d5e8b104eb72e07b9db192f0df75c8b377d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e220b9452b6a933e8560e6cfeb25d5e8b104eb72e07b9db192f0df75c8b377d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e220b9452b6a933e8560e6cfeb25d5e8b104eb72e07b9db192f0df75c8b377d1", kill_on_drop: false }`
[INFO] [stdout] e220b9452b6a933e8560e6cfeb25d5e8b104eb72e07b9db192f0df75c8b377d1
[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=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] 4ad91b4a52ad8547d473ccf631fc9f1f7ab29f5e5abc870440caf581bee50d81
[INFO] running `Command { std: "docker" "start" "-a" "4ad91b4a52ad8547d473ccf631fc9f1f7ab29f5e5abc870440caf581bee50d81", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]    Compiling ntest_test_cases v0.9.3
[INFO] [stderr]    Compiling ntest_timeout v0.9.3
[INFO] [stderr]     Checking ntest v0.9.3
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling xmlity-derive v0.0.8
[INFO] [stderr]     Checking rstest v0.25.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking xmlity v0.0.8
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking quick-xml v0.37.4
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]    Compiling serde_tokenstream v0.2.2
[INFO] [stderr]    Compiling yaserde_derive v0.12.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking xmlity-quick-xml v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<XmlNamespace<'_>, XmlNamespaceParseError>
[INFO] [stdout]   --> src/lib.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             XmlNamespace::new(str::from_utf8(namespace.0).expect("namespace should be valid utf8"))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ser.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn pop_scope(&mut self) -> Option<NamespaceScope> {
[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] 156 |     pub fn pop_scope(&mut self) -> Option<NamespaceScope<'_>> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmlity-quick-xml` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4ad91b4a52ad8547d473ccf631fc9f1f7ab29f5e5abc870440caf581bee50d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad91b4a52ad8547d473ccf631fc9f1f7ab29f5e5abc870440caf581bee50d81", kill_on_drop: false }`
[INFO] [stdout] 4ad91b4a52ad8547d473ccf631fc9f1f7ab29f5e5abc870440caf581bee50d81
