[INFO] fetching crate nblast 0.7.1...
[INFO] checking nblast-0.7.1 against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] extracting crate nblast 0.7.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nblast 0.7.1
[INFO] finished tweaking crates.io crate nblast 0.7.1
[INFO] tweaked toml for crates.io crate nblast 0.7.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nblast 0.7.1 on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 148 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.3.0)
[INFO] [stderr]       Adding kiddo v4.2.1 (available: v5.2.2)
[INFO] [stderr]       Adding nabo v0.2.1 (available: v0.5.0)
[INFO] [stderr]       Adding nalgebra v0.31.4 (available: v0.33.2)
[INFO] [stderr]       Adding rstar v0.9.3 (available: v0.12.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97b58be4d634a347de62b8c452fb15716a96abf2fa999ad5f4634416a65b0f3d
[INFO] running `Command { std: "docker" "start" "-a" "97b58be4d634a347de62b8c452fb15716a96abf2fa999ad5f4634416a65b0f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97b58be4d634a347de62b8c452fb15716a96abf2fa999ad5f4634416a65b0f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b58be4d634a347de62b8c452fb15716a96abf2fa999ad5f4634416a65b0f3d", kill_on_drop: false }`
[INFO] [stdout] 97b58be4d634a347de62b8c452fb15716a96abf2fa999ad5f4634416a65b0f3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f99c939213621d8ba36a0c78b794e983927a47c765b359f08466e746e2447391
[INFO] running `Command { std: "docker" "start" "-a" "f99c939213621d8ba36a0c78b794e983927a47c765b359f08466e746e2447391", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking elapsed v0.1.2
[INFO] [stderr]     Checking sorted-vec v0.8.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking ubyte v0.10.4
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking divrem v1.0.0
[INFO] [stderr]     Checking init_with v1.1.0
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling generator v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ordered-float v4.6.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking simba v0.7.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking nalgebra v0.31.4
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking kiddo v4.2.1
[INFO] [stderr]     Checking nblast v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/neurons/kiddo.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 191 |         &'a self,
[INFO] [stdout]     |          ^^ these lifetimes flow to the output
[INFO] [stdout] 192 |         target: &'a impl TargetNeuron,
[INFO] [stdout]     |                  ^^ these lifetimes flow to the output
[INFO] [stdout] 193 |         use_alpha: bool,
[INFO] [stdout] 194 |     ) -> impl Iterator<Item = DistDot> + '_ {
[INFO] [stdout]     |                                          -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 194 -     ) -> impl Iterator<Item = DistDot> + '_ {
[INFO] [stdout] 194 +     ) -> impl Iterator<Item = DistDot> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/neurons/kiddo.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 191 |         &'a self,
[INFO] [stdout]     |          ^^ these lifetimes flow to the output
[INFO] [stdout] 192 |         target: &'a impl TargetNeuron,
[INFO] [stdout]     |                  ^^ these lifetimes flow to the output
[INFO] [stdout] 193 |         use_alpha: bool,
[INFO] [stdout] 194 |     ) -> impl Iterator<Item = DistDot> + '_ {
[INFO] [stdout]     |                                          -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 194 -     ) -> impl Iterator<Item = DistDot> + '_ {
[INFO] [stdout] 194 +     ) -> impl Iterator<Item = DistDot> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.99s
[INFO] running `Command { std: "docker" "inspect" "f99c939213621d8ba36a0c78b794e983927a47c765b359f08466e746e2447391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99c939213621d8ba36a0c78b794e983927a47c765b359f08466e746e2447391", kill_on_drop: false }`
[INFO] [stdout] f99c939213621d8ba36a0c78b794e983927a47c765b359f08466e746e2447391