[INFO] cloning repository https://github.com/Eason0729/ll-pef
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eason0729/ll-pef" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEason0729%2Fll-pef", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEason0729%2Fll-pef'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 516dfda33de71c73e7542c16bdff19feba647331
[INFO] checking Eason0729/ll-pef against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEason0729%2Fll-pef" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Eason0729/ll-pef
[INFO] finished tweaking git repo https://github.com/Eason0729/ll-pef
[INFO] tweaked toml for git repo https://github.com/Eason0729/ll-pef written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Eason0729/ll-pef on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Eason0729/ll-pef 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded perf-event-open v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77b973ae7c2bb8b79b99a507b902f7c159c893dff3b76612aa0b08ec2369c634
[INFO] running `Command { std: "docker" "start" "-a" "77b973ae7c2bb8b79b99a507b902f7c159c893dff3b76612aa0b08ec2369c634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77b973ae7c2bb8b79b99a507b902f7c159c893dff3b76612aa0b08ec2369c634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b973ae7c2bb8b79b99a507b902f7c159c893dff3b76612aa0b08ec2369c634", kill_on_drop: false }`
[INFO] [stdout] 77b973ae7c2bb8b79b99a507b902f7c159c893dff3b76612aa0b08ec2369c634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8292e4845f11792a5cba2b8d72af1eb09a48e729b9375a88c427d48360cdce13
[INFO] running `Command { std: "docker" "start" "-a" "8292e4845f11792a5cba2b8d72af1eb09a48e729b9375a88c427d48360cdce13", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking anstyle-parse v1.0.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking colorchoice v1.0.5
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]    Compiling perf-event-open v0.5.0
[INFO] [stderr]     Checking ll-pef v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cache_line_size`
[INFO] [stdout]   --> src/model.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let cache_line_size: u64 = 64;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cache_line_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ll-pef` (bin "ll-pef") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/experiment.rs:246:13
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let mut exp = FastSlow::<std::alloc::System>::prepare(ListConfig { len });
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/experiment.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut exp = FastSlow::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |         let mut exp = FastSlow::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let mut exp = FastSlow::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |         let mut exp = FastSlow::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let mut exp = FastSlow::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let mut exp = TwiceTraversal::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:309:13
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut exp = TwiceTraversal::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut exp = TwiceTraversal::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let mut exp = TwiceTraversal::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |         let mut exp = TwiceTraversal::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let mut exp = TwiceTraversal::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let mut fast_slow = FastSlow::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |         let mut twice = TwiceTraversal::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let mut fast_slow = FastSlow::<std::alloc::System>::prepare(ListConfig { len });
[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]    --> src/experiment.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |         let mut twice = TwiceTraversal::<std::alloc::System>::prepare(ListConfig { len });
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cache_line_size`
[INFO] [stdout]   --> src/model.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let cache_line_size: u64 = 64;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cache_line_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ll-pef` (bin "ll-pef" test) due to 1 previous error; 17 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8292e4845f11792a5cba2b8d72af1eb09a48e729b9375a88c427d48360cdce13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8292e4845f11792a5cba2b8d72af1eb09a48e729b9375a88c427d48360cdce13", kill_on_drop: false }`
[INFO] [stdout] 8292e4845f11792a5cba2b8d72af1eb09a48e729b9375a88c427d48360cdce13
