[INFO] fetching crate micro_metrics 0.2.0... [INFO] testing micro_metrics-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate micro_metrics 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate micro_metrics 0.2.0 [INFO] finished tweaking crates.io crate micro_metrics 0.2.0 [INFO] tweaked toml for crates.io crate micro_metrics 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate micro_metrics 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate micro_metrics 0.2.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc50ef462cca163ffcf159700a41ce74a85b70da7fce58f86199e3c7766bc4ed [INFO] running `Command { std: "docker" "start" "-a" "fc50ef462cca163ffcf159700a41ce74a85b70da7fce58f86199e3c7766bc4ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc50ef462cca163ffcf159700a41ce74a85b70da7fce58f86199e3c7766bc4ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc50ef462cca163ffcf159700a41ce74a85b70da7fce58f86199e3c7766bc4ed", kill_on_drop: false }` [INFO] [stdout] fc50ef462cca163ffcf159700a41ce74a85b70da7fce58f86199e3c7766bc4ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 103c417c87a92a2313ddb2836f3634e02270ea14336b8dabf00fce5940752a07 [INFO] running `Command { std: "docker" "start" "-a" "103c417c87a92a2313ddb2836f3634e02270ea14336b8dabf00fce5940752a07", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling platforms v2.0.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling hash32 v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Compiling micro_core v0.2.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling unescape v0.1.0 [INFO] [stderr] Compiling glob v0.3.2 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling nix v0.24.3 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling simba v0.8.1 [INFO] [stderr] Compiling sysinfo v0.30.13 [INFO] [stderr] Compiling psutil v3.3.0 [INFO] [stderr] Compiling nalgebra v0.32.6 [INFO] [stderr] Compiling micro_metrics v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/timing.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TimingHistogram` [INFO] [stdout] --> src/export.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::timing::{TimingHistogram, OperationStatistics, PerformanceProfiler}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `alloc::string::String` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use alloc::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `alloc::vec::Vec` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `timestamp` is never read [INFO] [stdout] --> src/collector.rs:464:5 [INFO] [stdout] | [INFO] [stdout] 461 | struct OperationRecord { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 464 | timestamp: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OperationRecord` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.99s [INFO] running `Command { std: "docker" "inspect" "103c417c87a92a2313ddb2836f3634e02270ea14336b8dabf00fce5940752a07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "103c417c87a92a2313ddb2836f3634e02270ea14336b8dabf00fce5940752a07", kill_on_drop: false }` [INFO] [stdout] 103c417c87a92a2313ddb2836f3634e02270ea14336b8dabf00fce5940752a07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 274abbac6b7faaf79e1146935c808e48b570e553aea5407d9263c6ca1520fed4 [INFO] running `Command { std: "docker" "start" "-a" "274abbac6b7faaf79e1146935c808e48b570e553aea5407d9263c6ca1520fed4", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rustix v1.0.8 [INFO] [stderr] Compiling linux-raw-sys v0.9.4 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling bitflags v2.9.1 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling half v2.6.0 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling anstyle v1.0.11 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling clap_lex v0.7.5 [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling clap_builder v4.5.42 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling bit-vec v0.8.0 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling bit-set v0.8.0 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling is-terminal v0.4.16 [INFO] [stderr] Compiling oorandom v11.1.5 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling unarray v0.1.4 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling rand_xorshift v0.4.0 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling simba v0.8.1 [INFO] [stderr] Compiling clap v4.5.42 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling tempfile v3.20.0 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling sysinfo v0.30.13 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling proptest v1.7.0 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stderr] Compiling nalgebra v0.32.6 [INFO] [stderr] Compiling micro_core v0.2.0 [INFO] [stderr] Compiling micro_metrics v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/timing.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TimingHistogram` [INFO] [stdout] --> src/export.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::timing::{TimingHistogram, OperationStatistics, PerformanceProfiler}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `alloc::string::String` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use alloc::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `alloc::vec::Vec` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/timing.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TimingHistogram` [INFO] [stdout] --> src/export.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::timing::{TimingHistogram, OperationStatistics, PerformanceProfiler}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `alloc::string::String` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use alloc::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `alloc::vec::Vec` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `timestamp` is never read [INFO] [stdout] --> src/collector.rs:464:5 [INFO] [stdout] | [INFO] [stdout] 461 | struct OperationRecord { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 464 | timestamp: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OperationRecord` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `timestamp` is never read [INFO] [stdout] --> src/collector.rs:464:5 [INFO] [stdout] | [INFO] [stdout] 461 | struct OperationRecord { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 464 | timestamp: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OperationRecord` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 25.71s [INFO] running `Command { std: "docker" "inspect" "274abbac6b7faaf79e1146935c808e48b570e553aea5407d9263c6ca1520fed4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "274abbac6b7faaf79e1146935c808e48b570e553aea5407d9263c6ca1520fed4", kill_on_drop: false }` [INFO] [stdout] 274abbac6b7faaf79e1146935c808e48b570e553aea5407d9263c6ca1520fed4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9742f2b43026fb8e4cd7753bed6be88beb03acc10740d5c733a11f8723757076 [INFO] running `Command { std: "docker" "start" "-a" "9742f2b43026fb8e4cd7753bed6be88beb03acc10740d5c733a11f8723757076", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::time::Instant` [INFO] [stderr] --> src/timing.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time::Instant; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TimingHistogram` [INFO] [stderr] --> src/export.rs:7:21 [INFO] [stderr] | [INFO] [stderr] 7 | use crate::timing::{TimingHistogram, OperationStatistics, PerformanceProfiler}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `alloc::string::String` [INFO] [stderr] --> src/lib.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use alloc::string::String; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `alloc::vec::Vec` [INFO] [stderr] --> src/lib.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use alloc::vec::Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `timestamp` is never read [INFO] [stderr] --> src/collector.rs:464:5 [INFO] [stderr] | [INFO] [stderr] 461 | struct OperationRecord { [INFO] [stderr] | --------------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 464 | timestamp: u64, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `OperationRecord` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `micro_metrics` (lib) generated 5 warnings (run `cargo fix --lib -p micro_metrics` to apply 4 suggestions) [INFO] [stderr] warning: `micro_metrics` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/micro_metrics-560b53de9f09a388) [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] [stderr] Doc-tests micro_metrics [INFO] [stdout] [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" "9742f2b43026fb8e4cd7753bed6be88beb03acc10740d5c733a11f8723757076", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9742f2b43026fb8e4cd7753bed6be88beb03acc10740d5c733a11f8723757076", kill_on_drop: false }` [INFO] [stdout] 9742f2b43026fb8e4cd7753bed6be88beb03acc10740d5c733a11f8723757076