[INFO] fetching crate select 0.6.1... [INFO] testing select-0.6.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate select 0.6.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate select 0.6.1 [INFO] finished tweaking crates.io crate select 0.6.1 [INFO] tweaked toml for crates.io crate select 0.6.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate select 0.6.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate select 0.6.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 66110382c66495d4eb2ed1a40a9da1a17811366cf47a40ef71f43a846905a17f [INFO] running `Command { std: "docker" "start" "-a" "66110382c66495d4eb2ed1a40a9da1a17811366cf47a40ef71f43a846905a17f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66110382c66495d4eb2ed1a40a9da1a17811366cf47a40ef71f43a846905a17f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66110382c66495d4eb2ed1a40a9da1a17811366cf47a40ef71f43a846905a17f", kill_on_drop: false }` [INFO] [stdout] 66110382c66495d4eb2ed1a40a9da1a17811366cf47a40ef71f43a846905a17f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e16d2249363fb2d2a563f8f2b722e7707c7f7fc2f0696f5444254389f4c407b [INFO] running `Command { std: "docker" "start" "-a" "0e16d2249363fb2d2a563f8f2b722e7707c7f7fc2f0696f5444254389f4c407b", kill_on_drop: false }` [INFO] [stderr] Compiling zerocopy v0.8.23 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling phf_shared v0.11.3 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling log v0.4.26 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling futf v0.1.5 [INFO] [stderr] Compiling tendril v0.4.3 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling phf v0.10.1 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling string_cache v0.8.8 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling phf_codegen v0.10.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.4 [INFO] [stderr] Compiling html5ever v0.26.0 [INFO] [stderr] Compiling markup5ever v0.11.0 [INFO] [stderr] Compiling xml5ever v0.17.0 [INFO] [stderr] Compiling markup5ever_rcdom v0.2.0 [INFO] [stderr] Compiling select v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/document.rs:17:31 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn find(&self, predicate: P) -> Find

{ [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] 17 | pub fn find(&self, predicate: P) -> Find<'_, P> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/document.rs:27:16 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn nth(&self, n: usize) -> Option { [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] 27 | pub fn nth(&self, n: usize) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.51s [INFO] running `Command { std: "docker" "inspect" "0e16d2249363fb2d2a563f8f2b722e7707c7f7fc2f0696f5444254389f4c407b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e16d2249363fb2d2a563f8f2b722e7707c7f7fc2f0696f5444254389f4c407b", kill_on_drop: false }` [INFO] [stdout] 0e16d2249363fb2d2a563f8f2b722e7707c7f7fc2f0696f5444254389f4c407b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ce3e2a1a383133c549b6b096cae267d0aca4a8307aa6eb40ed4a69cbeb6072b [INFO] running `Command { std: "docker" "start" "-a" "7ce3e2a1a383133c549b6b096cae267d0aca4a8307aa6eb40ed4a69cbeb6072b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/document.rs:17:31 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn find(&self, predicate: P) -> Find

{ [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] 17 | pub fn find(&self, predicate: P) -> Find<'_, P> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/document.rs:27:16 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn nth(&self, n: usize) -> Option { [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] 27 | pub fn nth(&self, n: usize) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling speculate v0.1.2 [INFO] [stderr] Compiling select v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/document.rs:17:31 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn find(&self, predicate: P) -> Find

{ [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] 17 | pub fn find(&self, predicate: P) -> Find<'_, P> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/document.rs:27:16 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn nth(&self, n: usize) -> Option { [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] 27 | pub fn nth(&self, n: usize) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.35s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "7ce3e2a1a383133c549b6b096cae267d0aca4a8307aa6eb40ed4a69cbeb6072b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ce3e2a1a383133c549b6b096cae267d0aca4a8307aa6eb40ed4a69cbeb6072b", kill_on_drop: false }` [INFO] [stdout] 7ce3e2a1a383133c549b6b096cae267d0aca4a8307aa6eb40ed4a69cbeb6072b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0327c4d4b594a9250128fbf02ff7590306ac958399eb5f95c90a67bc95d5e465 [INFO] running `Command { std: "docker" "start" "-a" "0327c4d4b594a9250128fbf02ff7590306ac958399eb5f95c90a67bc95d5e465", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/document.rs:17:31 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn find(&self, predicate: P) -> Find

{ [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] 17 | pub fn find(&self, predicate: P) -> Find<'_, P> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/document.rs:27:16 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn nth(&self, n: usize) -> Option { [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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 27 | pub fn nth(&self, n: usize) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `select` (lib) generated 2 warnings (run `cargo fix --lib -p select` to apply 2 suggestions) [INFO] [stderr] warning: `select` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/select-f11113effe2e4a42) [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] Doc-tests select [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" "0327c4d4b594a9250128fbf02ff7590306ac958399eb5f95c90a67bc95d5e465", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0327c4d4b594a9250128fbf02ff7590306ac958399eb5f95c90a67bc95d5e465", kill_on_drop: false }` [INFO] [stdout] 0327c4d4b594a9250128fbf02ff7590306ac958399eb5f95c90a67bc95d5e465