[INFO] cloning repository https://github.com/skibon02/rust-benchmarks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skibon02/rust-benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskibon02%2Frust-benchmarks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskibon02%2Frust-benchmarks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73115466a909a7b94bfd1c18f94c6802b8370577
[INFO] checking skibon02/rust-benchmarks against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskibon02%2Frust-benchmarks" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skibon02/rust-benchmarks
[INFO] finished tweaking git repo https://github.com/skibon02/rust-benchmarks
[INFO] tweaked toml for git repo https://github.com/skibon02/rust-benchmarks written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skibon02/rust-benchmarks on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skibon02/rust-benchmarks 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd2a938126bd194ba2462117aaaa05806412e16f835dfe808160c43892d7e2fb
[INFO] running `Command { std: "docker" "start" "-a" "fd2a938126bd194ba2462117aaaa05806412e16f835dfe808160c43892d7e2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd2a938126bd194ba2462117aaaa05806412e16f835dfe808160c43892d7e2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2a938126bd194ba2462117aaaa05806412e16f835dfe808160c43892d7e2fb", kill_on_drop: false }`
[INFO] [stdout] fd2a938126bd194ba2462117aaaa05806412e16f835dfe808160c43892d7e2fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb46d2664f132a3dab68ef153cd07ada196b28362a4c2aad70fa934ba5dae4f0
[INFO] running `Command { std: "docker" "start" "-a" "cb46d2664f132a3dab68ef153cd07ada196b28362a4c2aad70fa934ba5dae4f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.205
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking clap_builder v4.5.13
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking clap v4.5.13
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.205
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> benches/rw.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vec: Vec<usize> = (0..SIZE).map(|i| black_box(i)).collect();
[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: variable does not need to be mutable
[INFO] [stdout]   --> benches/rw.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut vec: Vec<AtomicUsize> = (0..SIZE).map(|i| black_box(AtomicUsize::new(i))).collect();
[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/rw.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut vec: Vec<RefCell<usize>> = (0..SIZE).map(|i| black_box(RefCell::new(i))).collect();
[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/rw.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut vec: Vec<AtomicUsize> = (0..SIZE).map(|i| black_box(AtomicUsize::new(i))).collect();
[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/rw.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let mut vec: Vec<RefCell<usize>> = (0..SIZE).map(|i| black_box(RefCell::new(i))).collect();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.83s
[INFO] running `Command { std: "docker" "inspect" "cb46d2664f132a3dab68ef153cd07ada196b28362a4c2aad70fa934ba5dae4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb46d2664f132a3dab68ef153cd07ada196b28362a4c2aad70fa934ba5dae4f0", kill_on_drop: false }`
[INFO] [stdout] cb46d2664f132a3dab68ef153cd07ada196b28362a4c2aad70fa934ba5dae4f0
