[INFO] cloning repository https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2FBytesMut_vs_Cursor_Vec_benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2FBytesMut_vs_Cursor_Vec_benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f370ecbe7417f00032a7c7cba1f3792a5f8ef7ce
[INFO] checking Bruce0203/BytesMut_vs_Cursor_Vec_benchmark against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2FBytesMut_vs_Cursor_Vec_benchmark" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark
[INFO] finished tweaking git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark
[INFO] tweaked toml for git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e595a745726f0e018a84ea86e32a7d017a51acd9714936e71a00ec31f167490
[INFO] running `Command { std: "docker" "start" "-a" "7e595a745726f0e018a84ea86e32a7d017a51acd9714936e71a00ec31f167490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e595a745726f0e018a84ea86e32a7d017a51acd9714936e71a00ec31f167490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e595a745726f0e018a84ea86e32a7d017a51acd9714936e71a00ec31f167490", kill_on_drop: false }`
[INFO] [stdout] 7e595a745726f0e018a84ea86e32a7d017a51acd9714936e71a00ec31f167490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0ad4b5c673750b6272bf248ed4804e486cece248c2935c56ed3fca0f81075e
[INFO] running `Command { std: "docker" "start" "-a" "5e0ad4b5c673750b6272bf248ed4804e486cece248c2935c56ed3fca0f81075e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking fastbuffer_benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> benches/buffers.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> benches/buffers.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]  --> benches/buffers.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut vec = Cursor::new(Vec::<u8>::new());
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> benches/buffers.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut vec = Cursor::new(Vec::<u8>::new());
[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: `bytes`
[INFO] [stdout]   --> benches/buffers.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut bytes = BytesMut::new();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/buffers.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut bytes = BytesMut::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> benches/buffers.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut vec = Cursor::new(Vec::<u8>::with_capacity(10_000));
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/buffers.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut vec = Cursor::new(Vec::<u8>::with_capacity(10_000));
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> benches/buffers.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut bytes = BytesMut::with_capacity(10_000);
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/buffers.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut bytes = BytesMut::with_capacity(10_000);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/buffers.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn bytes_write_10_000(mut bytes: BytesMut) {
[INFO] [stdout]    |                       ----^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.38s
[INFO] running `Command { std: "docker" "inspect" "5e0ad4b5c673750b6272bf248ed4804e486cece248c2935c56ed3fca0f81075e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0ad4b5c673750b6272bf248ed4804e486cece248c2935c56ed3fca0f81075e", kill_on_drop: false }`
[INFO] [stdout] 5e0ad4b5c673750b6272bf248ed4804e486cece248c2935c56ed3fca0f81075e
