[INFO] fetching crate metrix 0.13.13... [INFO] checking metrix-0.13.13 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate metrix 0.13.13 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate metrix 0.13.13 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate metrix 0.13.13 [INFO] finished tweaking crates.io crate metrix 0.13.13 [INFO] tweaked toml for crates.io crate metrix 0.13.13 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate metrix 0.13.13 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2343ac900c7420a2cc848a037a0d13f5efecb5e059c22c705576e942f0da7786 [INFO] running `Command { std: "docker" "start" "-a" "2343ac900c7420a2cc848a037a0d13f5efecb5e059c22c705576e942f0da7786", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2343ac900c7420a2cc848a037a0d13f5efecb5e059c22c705576e942f0da7786", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2343ac900c7420a2cc848a037a0d13f5efecb5e059c22c705576e942f0da7786", kill_on_drop: false }` [INFO] [stdout] 2343ac900c7420a2cc848a037a0d13f5efecb5e059c22c705576e942f0da7786 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f76f579d7b57bcbb1b2eb181fc7d6b77c33107658a284194c6a1ca4bfceff50 [INFO] running `Command { std: "docker" "start" "-a" "7f76f579d7b57bcbb1b2eb181fc7d6b77c33107658a284194c6a1ca4bfceff50", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Checking futures-core v0.3.13 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking futures-io v0.3.13 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking ordered-float v2.1.1 [INFO] [stderr] Checking exponential-decay-histogram v0.1.9 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking futures-executor v0.3.13 [INFO] [stderr] Checking futures v0.3.13 [INFO] [stderr] Checking metrix v0.13.13 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `drop_guard` is never read [INFO] [stdout] --> src/driver.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct TelemetryDriver { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 153 | descriptives: Descriptives, [INFO] [stdout] 154 | drop_guard: Arc, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TelemetryDriver` 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: method `get_at_mut` is never used [INFO] [stdout] --> src/instruments/fundamentals/buckets.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 24 | / impl SecondsBuckets [INFO] [stdout] 25 | | where [INFO] [stdout] 26 | | T: Default, [INFO] [stdout] 27 | | C: Clock, [INFO] [stdout] | |_____________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn get_at_mut(&mut self, for_when: Instant) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mean` is never read [INFO] [stdout] --> src/instruments/fundamentals/metrics_meter.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct MeterSnapshot { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub mean: f64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MeterSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `rate`, `mean`, and `count` are never used [INFO] [stdout] --> src/instruments/fundamentals/metrics_meter.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub trait Meter: Send + Sync { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 48 | fn rate(&self, rate: f64) -> f64; [INFO] [stdout] | ^^^^ [INFO] [stdout] 49 | [INFO] [stdout] 50 | fn mean(&self) -> f64; [INFO] [stdout] | ^^^^ [INFO] [stdout] 51 | [INFO] [stdout] 52 | fn count(&self) -> i64; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `drop_guard` is never read [INFO] [stdout] --> src/driver.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct TelemetryDriver { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 153 | descriptives: Descriptives, [INFO] [stdout] 154 | drop_guard: Arc, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TelemetryDriver` 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: methods `offset`, `reference`, `set_offset`, and `reset` are never used [INFO] [stdout] --> src/instruments/fundamentals/clock.rs:34:16 [INFO] [stdout] | [INFO] [stdout] 33 | impl ManualOffsetClock { [INFO] [stdout] | ---------------------- methods in this implementation [INFO] [stdout] 34 | pub fn offset(&self) -> Duration { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn reference(&self) -> Instant { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn set_offset(&self, offset: Duration) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn reset(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mean` is never read [INFO] [stdout] --> src/instruments/fundamentals/metrics_meter.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct MeterSnapshot { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub mean: f64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MeterSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `rate`, `mean`, and `count` are never used [INFO] [stdout] --> src/instruments/fundamentals/metrics_meter.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub trait Meter: Send + Sync { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 48 | fn rate(&self, rate: f64) -> f64; [INFO] [stdout] | ^^^^ [INFO] [stdout] 49 | [INFO] [stdout] 50 | fn mean(&self) -> f64; [INFO] [stdout] | ^^^^ [INFO] [stdout] 51 | [INFO] [stdout] 52 | fn count(&self) -> i64; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.49s [INFO] running `Command { std: "docker" "inspect" "7f76f579d7b57bcbb1b2eb181fc7d6b77c33107658a284194c6a1ca4bfceff50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f76f579d7b57bcbb1b2eb181fc7d6b77c33107658a284194c6a1ca4bfceff50", kill_on_drop: false }` [INFO] [stdout] 7f76f579d7b57bcbb1b2eb181fc7d6b77c33107658a284194c6a1ca4bfceff50