[INFO] cloning repository https://github.com/phughk/debug-metrics [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phughk/debug-metrics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphughk%2Fdebug-metrics", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphughk%2Fdebug-metrics'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e02347557a7887d0875382ec2d28e458325c397 [INFO] testing phughk/debug-metrics against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphughk%2Fdebug-metrics" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/phughk/debug-metrics [INFO] finished tweaking git repo https://github.com/phughk/debug-metrics [INFO] tweaked toml for git repo https://github.com/phughk/debug-metrics written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/phughk/debug-metrics on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/phughk/debug-metrics 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ad6aee93bc8685368b459ea5f207f712f699b32e762271c1a7bc86d43ebba95 [INFO] running `Command { std: "docker" "start" "-a" "5ad6aee93bc8685368b459ea5f207f712f699b32e762271c1a7bc86d43ebba95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ad6aee93bc8685368b459ea5f207f712f699b32e762271c1a7bc86d43ebba95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ad6aee93bc8685368b459ea5f207f712f699b32e762271c1a7bc86d43ebba95", kill_on_drop: false }` [INFO] [stdout] 5ad6aee93bc8685368b459ea5f207f712f699b32e762271c1a7bc86d43ebba95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] c64b59f49520740448e75731eb6708f49d889fefeee082df5a03753596d5c4af [INFO] running `Command { std: "docker" "start" "-a" "c64b59f49520740448e75731eb6708f49d889fefeee082df5a03753596d5c4af", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling indoc v2.0.6 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling debug-metrics v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `metric` [INFO] [stdout] --> src/debug_metrics.rs:186:29 [INFO] [stdout] | [INFO] [stdout] 186 | ... metric, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `metric: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/debug_metrics.rs:187:29 [INFO] [stdout] | [INFO] [stdout] 187 | ... count, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:188:29 [INFO] [stdout] | [INFO] [stdout] 188 | ... dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `label` [INFO] [stdout] --> src/debug_metrics.rs:194:29 [INFO] [stdout] | [INFO] [stdout] 194 | ... label, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `label: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/debug_metrics.rs:195:29 [INFO] [stdout] | [INFO] [stdout] 195 | ... value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:196:29 [INFO] [stdout] | [INFO] [stdout] 196 | ... dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/debug_metrics.rs:331:81 [INFO] [stdout] | [INFO] [stdout] 331 | fn set, Iter: LabelIter>(&mut self, key: Key, value: u64, mut labels: Iter) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/debug_metrics.rs:385:25 [INFO] [stdout] | [INFO] [stdout] 385 | count, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:386:25 [INFO] [stdout] | [INFO] [stdout] 386 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:387:25 [INFO] [stdout] | [INFO] [stdout] 387 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/debug_metrics.rs:391:25 [INFO] [stdout] | [INFO] [stdout] 391 | value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:392:25 [INFO] [stdout] | [INFO] [stdout] 392 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:393:25 [INFO] [stdout] | [INFO] [stdout] 393 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/debug_metrics.rs:398:25 [INFO] [stdout] | [INFO] [stdout] 398 | count, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:399:25 [INFO] [stdout] | [INFO] [stdout] 399 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:400:25 [INFO] [stdout] | [INFO] [stdout] 400 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/debug_metrics.rs:405:25 [INFO] [stdout] | [INFO] [stdout] 405 | value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:406:25 [INFO] [stdout] | [INFO] [stdout] 406 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:407:25 [INFO] [stdout] | [INFO] [stdout] 407 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/debug_metrics.rs:123:31 [INFO] [stdout] | [INFO] [stdout] 123 | fn with_drop_hook(&mut self, call_fn: CallFn) -> DropHook [INFO] [stdout] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 123 | fn with_drop_hook(&mut self, call_fn: CallFn) -> DropHook<'_, Self, CallFn> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.23s [INFO] running `Command { std: "docker" "inspect" "c64b59f49520740448e75731eb6708f49d889fefeee082df5a03753596d5c4af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c64b59f49520740448e75731eb6708f49d889fefeee082df5a03753596d5c4af", kill_on_drop: false }` [INFO] [stdout] c64b59f49520740448e75731eb6708f49d889fefeee082df5a03753596d5c4af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e1f5a1de79b058a9d2960631fdfc83ae649aa2305448933101ae320622bef573 [INFO] running `Command { std: "docker" "start" "-a" "e1f5a1de79b058a9d2960631fdfc83ae649aa2305448933101ae320622bef573", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `metric` [INFO] [stdout] --> src/debug_metrics.rs:186:29 [INFO] [stdout] | [INFO] [stdout] 186 | ... metric, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `metric: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/debug_metrics.rs:187:29 [INFO] [stdout] | [INFO] [stdout] 187 | ... count, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:188:29 [INFO] [stdout] | [INFO] [stdout] 188 | ... dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `label` [INFO] [stdout] --> src/debug_metrics.rs:194:29 [INFO] [stdout] | [INFO] [stdout] 194 | ... label, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `label: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/debug_metrics.rs:195:29 [INFO] [stdout] | [INFO] [stdout] 195 | ... value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:196:29 [INFO] [stdout] | [INFO] [stdout] 196 | ... dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/debug_metrics.rs:331:81 [INFO] [stdout] | [INFO] [stdout] 331 | fn set, Iter: LabelIter>(&mut self, key: Key, value: u64, mut labels: Iter) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/debug_metrics.rs:385:25 [INFO] [stdout] | [INFO] [stdout] 385 | count, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:386:25 [INFO] [stdout] | [INFO] [stdout] 386 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:387:25 [INFO] [stdout] | [INFO] [stdout] 387 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/debug_metrics.rs:391:25 [INFO] [stdout] | [INFO] [stdout] 391 | value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:392:25 [INFO] [stdout] | [INFO] [stdout] 392 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:393:25 [INFO] [stdout] | [INFO] [stdout] 393 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling debug-metrics v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/debug_metrics.rs:398:25 [INFO] [stdout] | [INFO] [stdout] 398 | count, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:399:25 [INFO] [stdout] | [INFO] [stdout] 399 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:400:25 [INFO] [stdout] | [INFO] [stdout] 400 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/debug_metrics.rs:405:25 [INFO] [stdout] | [INFO] [stdout] 405 | value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:406:25 [INFO] [stdout] | [INFO] [stdout] 406 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:407:25 [INFO] [stdout] | [INFO] [stdout] 407 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/debug_metrics.rs:123:31 [INFO] [stdout] | [INFO] [stdout] 123 | fn with_drop_hook(&mut self, call_fn: CallFn) -> DropHook [INFO] [stdout] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 123 | fn with_drop_hook(&mut self, call_fn: CallFn) -> DropHook<'_, Self, CallFn> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::debug` [INFO] [stdout] --> src/test.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use log::debug; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `metric` [INFO] [stdout] --> src/debug_metrics.rs:186:29 [INFO] [stdout] | [INFO] [stdout] 186 | ... metric, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `metric: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/debug_metrics.rs:187:29 [INFO] [stdout] | [INFO] [stdout] 187 | ... count, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:188:29 [INFO] [stdout] | [INFO] [stdout] 188 | ... dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `label` [INFO] [stdout] --> src/debug_metrics.rs:194:29 [INFO] [stdout] | [INFO] [stdout] 194 | ... label, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `label: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/debug_metrics.rs:195:29 [INFO] [stdout] | [INFO] [stdout] 195 | ... value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:196:29 [INFO] [stdout] | [INFO] [stdout] 196 | ... dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/debug_metrics.rs:331:81 [INFO] [stdout] | [INFO] [stdout] 331 | fn set, Iter: LabelIter>(&mut self, key: Key, value: u64, mut labels: Iter) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/debug_metrics.rs:385:25 [INFO] [stdout] | [INFO] [stdout] 385 | count, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:386:25 [INFO] [stdout] | [INFO] [stdout] 386 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:387:25 [INFO] [stdout] | [INFO] [stdout] 387 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/debug_metrics.rs:391:25 [INFO] [stdout] | [INFO] [stdout] 391 | value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:392:25 [INFO] [stdout] | [INFO] [stdout] 392 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:393:25 [INFO] [stdout] | [INFO] [stdout] 393 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/debug_metrics.rs:398:25 [INFO] [stdout] | [INFO] [stdout] 398 | count, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:399:25 [INFO] [stdout] | [INFO] [stdout] 399 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:400:25 [INFO] [stdout] | [INFO] [stdout] 400 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/debug_metrics.rs:405:25 [INFO] [stdout] | [INFO] [stdout] 405 | value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dependencies` [INFO] [stdout] --> src/debug_metrics.rs:406:25 [INFO] [stdout] | [INFO] [stdout] 406 | dependencies, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/debug_metrics.rs:407:25 [INFO] [stdout] | [INFO] [stdout] 407 | labels, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `debug_metrics` [INFO] [stdout] --> src/test.rs:122:26 [INFO] [stdout] | [INFO] [stdout] 122 | pre_setup: &|debug_metrics| {}, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_debug_metrics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/debug_metrics.rs:123:31 [INFO] [stdout] | [INFO] [stdout] 123 | fn with_drop_hook(&mut self, call_fn: CallFn) -> DropHook [INFO] [stdout] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 123 | fn with_drop_hook(&mut self, call_fn: CallFn) -> DropHook<'_, Self, CallFn> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.47s [INFO] running `Command { std: "docker" "inspect" "e1f5a1de79b058a9d2960631fdfc83ae649aa2305448933101ae320622bef573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1f5a1de79b058a9d2960631fdfc83ae649aa2305448933101ae320622bef573", kill_on_drop: false }` [INFO] [stdout] e1f5a1de79b058a9d2960631fdfc83ae649aa2305448933101ae320622bef573 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4406457057e0da1900fb08950aa060e0ee95b0c33b7b03d106027a8abdd7767b [INFO] running `Command { std: "docker" "start" "-a" "4406457057e0da1900fb08950aa060e0ee95b0c33b7b03d106027a8abdd7767b", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `metric` [INFO] [stderr] --> src/debug_metrics.rs:186:29 [INFO] [stderr] | [INFO] [stderr] 186 | ... metric, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `metric: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/debug_metrics.rs:187:29 [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 187 | ... count, [INFO] [stdout] running 5 tests [INFO] [stderr] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dependencies` [INFO] [stderr] --> src/debug_metrics.rs:188:29 [INFO] [stderr] | [INFO] [stderr] 188 | ... dependencies, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `label` [INFO] [stderr] --> src/debug_metrics.rs:194:29 [INFO] [stderr] | [INFO] [stderr] 194 | ... label, [INFO] [stderr] | ^^^^^ help: try ignoring the field: `label: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/debug_metrics.rs:195:29 [INFO] [stderr] | [INFO] [stderr] 195 | ... value, [INFO] [stderr] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dependencies` [INFO] [stderr] --> src/debug_metrics.rs:196:29 [INFO] [stderr] | [INFO] [stderr] 196 | ... dependencies, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/debug_metrics.rs:331:81 [INFO] [stderr] | [INFO] [stderr] 331 | fn set, Iter: LabelIter>(&mut self, key: Key, value: u64, mut labels: Iter) { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/debug_metrics.rs:385:25 [INFO] [stderr] | [INFO] [stderr] 385 | count, [INFO] [stderr] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dependencies` [INFO] [stderr] --> src/debug_metrics.rs:386:25 [INFO] [stderr] | [INFO] [stderr] 386 | dependencies, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/debug_metrics.rs:387:25 [INFO] [stderr] | [INFO] [stderr] 387 | labels, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/debug_metrics.rs:391:25 [INFO] [stderr] | [INFO] [stderr] 391 | value, [INFO] [stderr] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dependencies` [INFO] [stderr] --> src/debug_metrics.rs:392:25 [INFO] [stderr] | [INFO] [stderr] 392 | dependencies, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/debug_metrics.rs:393:25 [INFO] [stderr] | [INFO] [stderr] 393 | labels, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/debug_metrics.rs:398:25 [INFO] [stderr] | [INFO] [stderr] 398 | count, [INFO] [stderr] | ^^^^^ help: try ignoring the field: `count: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dependencies` [INFO] [stderr] --> src/debug_metrics.rs:399:25 [INFO] [stderr] | [INFO] [stderr] 399 | dependencies, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/debug_metrics.rs:400:25 [INFO] [stderr] | [INFO] [stderr] 400 | labels, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/debug_metrics.rs:405:25 [INFO] [stderr] | [INFO] [stderr] 405 | value, [INFO] [stderr] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dependencies` [INFO] [stderr] --> src/debug_metrics.rs:406:25 [INFO] [stderr] | [INFO] [stderr] 406 | dependencies, [INFO] [stderr] | ^^^^^^^^^^^^ help: try ignoring the field: `dependencies: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/debug_metrics.rs:407:25 [INFO] [stderr] | [INFO] [stderr] 407 | labels, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `labels: _` [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/debug_metrics.rs:123:31 [INFO] [stderr] | [INFO] [stderr] 123 | fn with_drop_hook(&mut self, call_fn: CallFn) -> DropHook [INFO] [stderr] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 123 | fn with_drop_hook(&mut self, call_fn: CallFn) -> DropHook<'_, Self, CallFn> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused import: `log::debug` [INFO] [stderr] --> src/test.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use log::debug; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `debug_metrics` [INFO] [stderr] --> src/test.rs:122:26 [INFO] [stderr] | [INFO] [stderr] 122 | pre_setup: &|debug_metrics| {}, [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_debug_metrics` [INFO] [stderr] [INFO] [stderr] warning: `debug-metrics` (lib) generated 20 warnings (run `cargo fix --lib -p debug-metrics` to apply 2 suggestions) [INFO] [stderr] warning: `debug-metrics` (lib test) generated 22 warnings (20 duplicates) (run `cargo fix --lib -p debug-metrics --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/debug_metrics-e044cbfc0870a2d2) [INFO] [stdout] test test::metrics_are_displayed_if_no_rules ... ok [INFO] [stdout] test test::can_use_labels ... ok [INFO] [stdout] test test::test_drop_hook ... ok [INFO] [stdout] test test::test_drop_hook_safe ... ok [INFO] [stdout] test test::label_changes_get_recorded_as_events ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4406457057e0da1900fb08950aa060e0ee95b0c33b7b03d106027a8abdd7767b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4406457057e0da1900fb08950aa060e0ee95b0c33b7b03d106027a8abdd7767b", kill_on_drop: false }` [INFO] [stdout] 4406457057e0da1900fb08950aa060e0ee95b0c33b7b03d106027a8abdd7767b