[INFO] fetching crate nano_arena 0.5.2... [INFO] checking nano_arena-0.5.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate nano_arena 0.5.2 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate nano_arena 0.5.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nano_arena 0.5.2 [INFO] finished tweaking crates.io crate nano_arena 0.5.2 [INFO] tweaked toml for crates.io crate nano_arena 0.5.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 71 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0de36614ec817454224aed051b6d6e08e12081135d043f10ffd047bad204f3e3 [INFO] running `Command { std: "docker" "start" "-a" "0de36614ec817454224aed051b6d6e08e12081135d043f10ffd047bad204f3e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0de36614ec817454224aed051b6d6e08e12081135d043f10ffd047bad204f3e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0de36614ec817454224aed051b6d6e08e12081135d043f10ffd047bad204f3e3", kill_on_drop: false }` [INFO] [stdout] 0de36614ec817454224aed051b6d6e08e12081135d043f10ffd047bad204f3e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4d7d1d16ed92b374771edd3cb9141dec6a5dd6f2fe0196436f72b35f9479853 [INFO] running `Command { std: "docker" "start" "-a" "f4d7d1d16ed92b374771edd3cb9141dec6a5dd6f2fe0196436f72b35f9479853", kill_on_drop: false }` [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking nano_arena v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:1:61 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{criterion_group, criterion_main, Criterion, ParameterizedBenchmark, Throughput}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:53:7 [INFO] [stdout] | [INFO] [stdout] 53 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:63:7 [INFO] [stdout] | [INFO] [stdout] 63 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:80:7 [INFO] [stdout] | [INFO] [stdout] 80 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:97:7 [INFO] [stdout] | [INFO] [stdout] 97 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:113:7 [INFO] [stdout] | [INFO] [stdout] 113 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> benches/benches.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | struct Small(usize); [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Small` has a derived impl for the trait `Default`, 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 `0` is never read [INFO] [stdout] --> benches/benches.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | struct Big([usize; 32]); [INFO] [stdout] | --- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Big` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `insert_and_delete` is never used [INFO] [stdout] --> benches/benches.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn insert_and_delete(n: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:760:9 [INFO] [stdout] | [INFO] [stdout] 760 | drop(first_mut_ref); [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut i32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 760 - drop(first_mut_ref); [INFO] [stdout] 760 + let _ = first_mut_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s [INFO] running `Command { std: "docker" "inspect" "f4d7d1d16ed92b374771edd3cb9141dec6a5dd6f2fe0196436f72b35f9479853", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4d7d1d16ed92b374771edd3cb9141dec6a5dd6f2fe0196436f72b35f9479853", kill_on_drop: false }` [INFO] [stdout] f4d7d1d16ed92b374771edd3cb9141dec6a5dd6f2fe0196436f72b35f9479853