[INFO] fetching crate faststr 0.2.32...
[INFO] checking faststr-0.2.32 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate faststr 0.2.32 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate faststr 0.2.32
[INFO] finished tweaking crates.io crate faststr 0.2.32
[INFO] tweaked toml for crates.io crate faststr 0.2.32 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate faststr 0.2.32 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate faststr 0.2.32 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]  --> benches/faststr.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]  --> benches/faststr.rs:7:53
[INFO] [stdout]   |
[INFO] [stdout] 7 |     c.bench_function("empty faststr", |b| b.iter(|| black_box(s.clone())));
[INFO] [stdout]   |                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]  --> benches/faststr.rs:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 |     c.bench_function("empty string", |b| b.iter(|| black_box(s.clone())));
[INFO] [stdout]   |                                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/faststr.rs:12:54
[INFO] [stdout]    |
[INFO] [stdout] 12 |     c.bench_function("static faststr", |b| b.iter(|| black_box(s.clone())));
[INFO] [stdout]    |                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/faststr.rs:15:54
[INFO] [stdout]    |
[INFO] [stdout] 15 |     c.bench_function("inline faststr", |b| b.iter(|| black_box(s.clone())));
[INFO] [stdout]    |                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/faststr.rs:17:58
[INFO] [stdout]    |
[INFO] [stdout] 17 |     c.bench_function("string hello world", |b| b.iter(|| black_box(s.clone())));
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/faststr.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let _s1 = black_box(s.clone());
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/faststr.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let _s2 = black_box(s.clone());
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/faststr.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |             b.iter(|| black_box(s.clone()))
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/faststr.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |             b.iter(|| black_box(s.clone()))
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.40s
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