[INFO] fetching crate rusted-ring 0.5.6...
[INFO] testing rusted-ring-0.5.6 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate rusted-ring 0.5.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rusted-ring 0.5.6
[INFO] finished tweaking crates.io crate rusted-ring 0.5.6
[INFO] tweaked toml for crates.io crate rusted-ring 0.5.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusted-ring 0.5.6 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusted-ring 0.5.6 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" "+beta-2026-03-05" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af50e18b1fe06a31a6572137aa4171fdbadd3a5323ea05ce0b79f0a8a0624983
[INFO] running `Command { std: "docker" "start" "-a" "af50e18b1fe06a31a6572137aa4171fdbadd3a5323ea05ce0b79f0a8a0624983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af50e18b1fe06a31a6572137aa4171fdbadd3a5323ea05ce0b79f0a8a0624983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af50e18b1fe06a31a6572137aa4171fdbadd3a5323ea05ce0b79f0a8a0624983", kill_on_drop: false }`
[INFO] [stdout] af50e18b1fe06a31a6572137aa4171fdbadd3a5323ea05ce0b79f0a8a0624983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ac97ca6e8d43568844458efad674a9f22e8d875f307a17bcf407944c507485
[INFO] running `Command { std: "docker" "start" "-a" "92ac97ca6e8d43568844458efad674a9f22e8d875f307a17bcf407944c507485", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling rusted-ring v0.5.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pool.rs:286:21
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 let mut writer = RingFactory::get_writer(&XS_RING);
[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/pool.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 let mut writer = RingFactory::get_writer(&S_RING);
[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/pool.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let mut writer = RingFactory::get_writer(&M_RING);
[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/pool.rs:310:21
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 let mut writer = RingFactory::get_writer(&L_RING);
[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/pool.rs:318:21
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 let mut writer = RingFactory::get_writer(&XL_RING);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "92ac97ca6e8d43568844458efad674a9f22e8d875f307a17bcf407944c507485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ac97ca6e8d43568844458efad674a9f22e8d875f307a17bcf407944c507485", kill_on_drop: false }`
[INFO] [stdout] 92ac97ca6e8d43568844458efad674a9f22e8d875f307a17bcf407944c507485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3409be4d5ca63e891a59f9b3aef53f15180d70864511b5d5bf11dbffc191f2aa
[INFO] running `Command { std: "docker" "start" "-a" "3409be4d5ca63e891a59f9b3aef53f15180d70864511b5d5bf11dbffc191f2aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pool.rs:286:21
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 let mut writer = RingFactory::get_writer(&XS_RING);
[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/pool.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 let mut writer = RingFactory::get_writer(&S_RING);
[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/pool.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let mut writer = RingFactory::get_writer(&M_RING);
[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/pool.rs:310:21
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 let mut writer = RingFactory::get_writer(&L_RING);
[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/pool.rs:318:21
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 let mut writer = RingFactory::get_writer(&XL_RING);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stderr]    Compiling rusted-ring v0.5.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pool.rs:286:21
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 let mut writer = RingFactory::get_writer(&XS_RING);
[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/pool.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 let mut writer = RingFactory::get_writer(&S_RING);
[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/pool.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let mut writer = RingFactory::get_writer(&M_RING);
[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/pool.rs:310:21
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 let mut writer = RingFactory::get_writer(&L_RING);
[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/pool.rs:318:21
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 let mut writer = RingFactory::get_writer(&XL_RING);
[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/pool.rs:441:13
[INFO] [stdout]     |
[INFO] [stdout] 441 |         let mut xs_writer = RingFactory::get_writer(&XS_RING);
[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/pool.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |         let mut m_writer = RingFactory::get_writer(&M_RING);
[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/pool.rs:477:13
[INFO] [stdout]     |
[INFO] [stdout] 477 |         let mut generic_writer = RingFactory::get_writer(&S_RING);
[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/pool.rs:478:13
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let mut typed_writer = EventPoolFactory::get_s_writer();
[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/pool.rs:518:17
[INFO] [stdout]     |
[INFO] [stdout] 518 |             let mut writer = RingFactory::get_writer(&L_RING);
[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/pool.rs:530:17
[INFO] [stdout]     |
[INFO] [stdout] 530 |             let mut writer = EventPoolFactory::get_l_writer();
[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/pool.rs:567:13
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let mut writer = RingFactory::get_writer(&CUSTOM_RING);
[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/pool.rs:594:21
[INFO] [stdout]     |
[INFO] [stdout] 594 |                 let mut writer = RingFactory::get_writer(&XL_RING);
[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/pool.rs:648:17
[INFO] [stdout]     |
[INFO] [stdout] 648 |             let mut writer = RingFactory::get_writer(&XS_RING);
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.33s
[INFO] running `Command { std: "docker" "inspect" "3409be4d5ca63e891a59f9b3aef53f15180d70864511b5d5bf11dbffc191f2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3409be4d5ca63e891a59f9b3aef53f15180d70864511b5d5bf11dbffc191f2aa", kill_on_drop: false }`
[INFO] [stdout] 3409be4d5ca63e891a59f9b3aef53f15180d70864511b5d5bf11dbffc191f2aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0501ee952c42b2b02cc78732ee2740b415ca31716a3f2186c5cb6f544c67dc3
[INFO] running `Command { std: "docker" "start" "-a" "a0501ee952c42b2b02cc78732ee2740b415ca31716a3f2186c5cb6f544c67dc3", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:286:21
[INFO] [stderr]     |
[INFO] [stderr] 286 |                 let mut writer = RingFactory::get_writer(&XS_RING);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:294:21
[INFO] [stderr]     |
[INFO] [stderr] 294 |                 let mut writer = RingFactory::get_writer(&S_RING);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:302:21
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut writer = RingFactory::get_writer(&M_RING);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:310:21
[INFO] [stderr]     |
[INFO] [stderr] 310 |                 let mut writer = RingFactory::get_writer(&L_RING);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:318:21
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 let mut writer = RingFactory::get_writer(&XL_RING);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `rusted-ring` (lib) generated 5 warnings (run `cargo fix --lib -p rusted-ring` to apply 5 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:441:13
[INFO] [stderr]     |
[INFO] [stderr] 441 |         let mut xs_writer = RingFactory::get_writer(&XS_RING);
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:444:13
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let mut m_writer = RingFactory::get_writer(&M_RING);
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |         let mut generic_writer = RingFactory::get_writer(&S_RING);
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:478:13
[INFO] [stderr]     |
[INFO] [stderr] 478 |         let mut typed_writer = EventPoolFactory::get_s_writer();
[INFO] [stderr]     |             ----^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:518:17
[INFO] [stderr]     |
[INFO] [stderr] 518 |             let mut writer = RingFactory::get_writer(&L_RING);
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:530:17
[INFO] [stderr]     |
[INFO] [stderr] 530 |             let mut writer = EventPoolFactory::get_l_writer();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:567:13
[INFO] [stderr]     |
[INFO] [stderr] 567 |         let mut writer = RingFactory::get_writer(&CUSTOM_RING);
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:594:21
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 let mut writer = RingFactory::get_writer(&XL_RING);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool.rs:648:17
[INFO] [stderr]     |
[INFO] [stderr] 648 |             let mut writer = RingFactory::get_writer(&XS_RING);
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `rusted-ring` (lib test) generated 14 warnings (5 duplicates) (run `cargo fix --lib -p rusted-ring --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusted_ring-e8d411658e06d4c9)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test pool::pool_tests::test_custom_ring_usage ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'pool::pool_tests::test_api_equivalence' (25) has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rusted_ring-e8d411658e06d4c9` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "a0501ee952c42b2b02cc78732ee2740b415ca31716a3f2186c5cb6f544c67dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0501ee952c42b2b02cc78732ee2740b415ca31716a3f2186c5cb6f544c67dc3", kill_on_drop: false }`
[INFO] [stdout] a0501ee952c42b2b02cc78732ee2740b415ca31716a3f2186c5cb6f544c67dc3
