[INFO] fetching crate rusted-ring 0.5.6...
[INFO] testing rusted-ring-0.5.6 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate rusted-ring 0.5.6 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusted-ring 0.5.6 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.23.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c7660404960193c19f5c4a1c32731feb3107a199d1f7063a371fd579f78335f
[INFO] running `Command { std: "docker" "start" "-a" "9c7660404960193c19f5c4a1c32731feb3107a199d1f7063a371fd579f78335f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c7660404960193c19f5c4a1c32731feb3107a199d1f7063a371fd579f78335f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7660404960193c19f5c4a1c32731feb3107a199d1f7063a371fd579f78335f", kill_on_drop: false }`
[INFO] [stdout] 9c7660404960193c19f5c4a1c32731feb3107a199d1f7063a371fd579f78335f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a81160b48cb2823518c49d78c862052e168825fa6fabb655910ea742d066d82c
[INFO] running `Command { std: "docker" "start" "-a" "a81160b48cb2823518c49d78c862052e168825fa6fabb655910ea742d066d82c", 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 4.11s
[INFO] running `Command { std: "docker" "inspect" "a81160b48cb2823518c49d78c862052e168825fa6fabb655910ea742d066d82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81160b48cb2823518c49d78c862052e168825fa6fabb655910ea742d066d82c", kill_on_drop: false }`
[INFO] [stdout] a81160b48cb2823518c49d78c862052e168825fa6fabb655910ea742d066d82c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20d538b2b26f3980341435c705613889ce0db7c051f4c039b8c46429c31b65a0
[INFO] running `Command { std: "docker" "start" "-a" "20d538b2b26f3980341435c705613889ce0db7c051f4c039b8c46429c31b65a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.219
[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 plotters-svg v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling regex v1.11.1
[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 18.84s
[INFO] running `Command { std: "docker" "inspect" "20d538b2b26f3980341435c705613889ce0db7c051f4c039b8c46429c31b65a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d538b2b26f3980341435c705613889ce0db7c051f4c039b8c46429c31b65a0", kill_on_drop: false }`
[INFO] [stdout] 20d538b2b26f3980341435c705613889ce0db7c051f4c039b8c46429c31b65a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecb9a1e6b506bc2a59bb9e395ccffca2999ab904f09f3370c9f39ec62bced10d
[INFO] running `Command { std: "docker" "start" "-a" "ecb9a1e6b506bc2a59bb9e395ccffca2999ab904f09f3370c9f39ec62bced10d", 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 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusted_ring-fa5bc9f6270c41ee)
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 7 tests
[INFO] [stderr] thread 'pool::pool_tests::test_api_equivalence' (24) 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-fa5bc9f6270c41ee` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "ecb9a1e6b506bc2a59bb9e395ccffca2999ab904f09f3370c9f39ec62bced10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb9a1e6b506bc2a59bb9e395ccffca2999ab904f09f3370c9f39ec62bced10d", kill_on_drop: false }`
[INFO] [stdout] ecb9a1e6b506bc2a59bb9e395ccffca2999ab904f09f3370c9f39ec62bced10d
