[INFO] fetching crate metrix 0.13.13... [INFO] checking metrix-0.13.13 against master#9a42c6509d399fd205917ebce474b31315c5d3e9 for pr-97427 [INFO] extracting crate metrix 0.13.13 into /workspace/builds/worker-30/source [INFO] validating manifest of crates.io crate metrix 0.13.13 on toolchain 9a42c6509d399fd205917ebce474b31315c5d3e9 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "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-30/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: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.91 [INFO] [stderr] Downloaded ordered-float v2.1.1 [INFO] [stderr] Downloaded syn v1.0.67 [INFO] [stderr] Downloaded fs_extra v1.2.0 [INFO] [stderr] Downloaded crossbeam-channel v0.5.0 [INFO] [stderr] Downloaded json v0.12.4 [INFO] [stderr] Downloaded pin-project-lite v0.2.6 [INFO] [stderr] Downloaded jemalloc-ctl v0.3.3 [INFO] [stderr] Downloaded jemalloc-sys v0.3.2 [INFO] [stderr] Downloaded exponential-decay-histogram v0.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d3d67329cd0bd90ef6bb80cd27cd66f915212435b63f0a23881ce7ba842aff9 [INFO] running `Command { std: "docker" "start" "-a" "4d3d67329cd0bd90ef6bb80cd27cd66f915212435b63f0a23881ce7ba842aff9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d3d67329cd0bd90ef6bb80cd27cd66f915212435b63f0a23881ce7ba842aff9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d3d67329cd0bd90ef6bb80cd27cd66f915212435b63f0a23881ce7ba842aff9", kill_on_drop: false }` [INFO] [stdout] 4d3d67329cd0bd90ef6bb80cd27cd66f915212435b63f0a23881ce7ba842aff9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74edacda3ef67b7601b63f8bdd2e42c5c925066eef54312beabc995fef29041c [INFO] running `Command { std: "docker" "start" "-a" "74edacda3ef67b7601b63f8bdd2e42c5c925066eef54312beabc995fef29041c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.91 [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-core v0.3.13 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking pin-project-lite v0.2.6 [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-utils v0.1.0 [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] Checking rand_core v0.6.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [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 is never read: `drop_guard` [INFO] [stdout] --> src/driver.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 154 | drop_guard: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `TelemetryDriver` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/driver.rs:151:10 [INFO] [stdout] | [INFO] [stdout] 151 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_at_mut` [INFO] [stdout] --> src/instruments/fundamentals/buckets.rs:55:12 [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `drop_guard` [INFO] [stdout] --> src/driver.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 154 | drop_guard: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `TelemetryDriver` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/driver.rs:151:10 [INFO] [stdout] | [INFO] [stdout] 151 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `offset` [INFO] [stdout] --> src/instruments/fundamentals/clock.rs:34:16 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn offset(&self) -> Duration { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `reference` [INFO] [stdout] --> src/instruments/fundamentals/clock.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn reference(&self) -> Instant { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_offset` [INFO] [stdout] --> src/instruments/fundamentals/clock.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn set_offset(&self, offset: Duration) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `reset` [INFO] [stdout] --> src/instruments/fundamentals/clock.rs:46:16 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn reset(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.73s [INFO] running `Command { std: "docker" "inspect" "74edacda3ef67b7601b63f8bdd2e42c5c925066eef54312beabc995fef29041c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74edacda3ef67b7601b63f8bdd2e42c5c925066eef54312beabc995fef29041c", kill_on_drop: false }` [INFO] [stdout] 74edacda3ef67b7601b63f8bdd2e42c5c925066eef54312beabc995fef29041c