[INFO] fetching crate mas-tower 0.11.0... [INFO] checking mas-tower-0.11.0 against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287 [INFO] extracting crate mas-tower 0.11.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate mas-tower 0.11.0 on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mas-tower 0.11.0 [INFO] finished tweaking crates.io crate mas-tower 0.11.0 [INFO] tweaked toml for crates.io crate mas-tower 0.11.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 96 packages to latest compatible versions [INFO] [stderr] Adding opentelemetry v0.24.0 (available: v0.30.0) [INFO] [stderr] Adding opentelemetry-http v0.13.0 (available: v0.30.0) [INFO] [stderr] Adding opentelemetry-semantic-conventions v0.16.0 (available: v0.30.0) [INFO] [stderr] Adding tower v0.4.13 (available: v0.5.2) [INFO] [stderr] Adding tracing-opentelemetry v0.25.0 (available: v0.31.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded opentelemetry-http v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd7e707bd98570bc61f732a8bab3058b5f29139a0ae6a6e540af4823065f6cda [INFO] running `Command { std: "docker" "start" "-a" "bd7e707bd98570bc61f732a8bab3058b5f29139a0ae6a6e540af4823065f6cda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd7e707bd98570bc61f732a8bab3058b5f29139a0ae6a6e540af4823065f6cda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd7e707bd98570bc61f732a8bab3058b5f29139a0ae6a6e540af4823065f6cda", kill_on_drop: false }` [INFO] [stdout] bd7e707bd98570bc61f732a8bab3058b5f29139a0ae6a6e540af4823065f6cda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae6b16ff957e30c32e0d189b2605ac3993308f5b181c796a3272b506793dc422 [INFO] running `Command { std: "docker" "start" "-a" "ae6b16ff957e30c32e0d189b2605ac3993308f5b181c796a3272b506793dc422", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Checking hashbrown v0.15.4 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking tower-service v0.3.3 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking tower-layer v0.3.3 [INFO] [stderr] Checking opentelemetry-semantic-conventions v0.16.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking indexmap v2.9.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.102 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking http v1.3.1 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking http-body-util v0.1.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tokio-util v0.7.15 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tracing-attributes v0.1.29 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling async-trait v0.1.88 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking pin-project v1.1.10 [INFO] [stderr] Checking opentelemetry v0.24.0 [INFO] [stderr] Checking h2 v0.4.10 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking opentelemetry_sdk v0.24.1 [INFO] [stderr] Checking tracing-opentelemetry v0.25.0 [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking hyper-util v0.1.14 [INFO] [stderr] Checking opentelemetry-http v0.13.0 [INFO] [stderr] Checking mas-tower v0.11.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/metrics/make_attributes.rs:67:24 [INFO] [stdout] | [INFO] [stdout] 67 | fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [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] 67 - fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] 67 + fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'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/metrics/make_attributes.rs:78:24 [INFO] [stdout] | [INFO] [stdout] 78 | fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 78 - fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] 78 + fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'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/metrics/make_attributes.rs:111:24 [INFO] [stdout] | [INFO] [stdout] 111 | fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 111 - fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] 111 + fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'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/metrics/make_attributes.rs:67:24 [INFO] [stdout] | [INFO] [stdout] 67 | fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [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] 67 - fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] 67 + fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'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/metrics/make_attributes.rs:78:24 [INFO] [stdout] | [INFO] [stdout] 78 | fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 78 - fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] 78 + fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'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/metrics/make_attributes.rs:111:24 [INFO] [stdout] | [INFO] [stdout] 111 | fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 111 - fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'_> { [INFO] [stdout] 111 + fn attributes<'a>(&'a self, t: &'a T) -> Self::Iter<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.77s [INFO] running `Command { std: "docker" "inspect" "ae6b16ff957e30c32e0d189b2605ac3993308f5b181c796a3272b506793dc422", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae6b16ff957e30c32e0d189b2605ac3993308f5b181c796a3272b506793dc422", kill_on_drop: false }` [INFO] [stdout] ae6b16ff957e30c32e0d189b2605ac3993308f5b181c796a3272b506793dc422