[INFO] cloning repository https://github.com/Error401-UsernameNotFound/Mass-Combat-Decider
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Error401-UsernameNotFound/Mass-Combat-Decider" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FError401-UsernameNotFound%2FMass-Combat-Decider", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FError401-UsernameNotFound%2FMass-Combat-Decider'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2e0e94bdf7dccc4099870cb89966ecba8aeeabf
[INFO] testing Error401-UsernameNotFound/Mass-Combat-Decider against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FError401-UsernameNotFound%2FMass-Combat-Decider" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Error401-UsernameNotFound/Mass-Combat-Decider
[INFO] finished tweaking git repo https://github.com/Error401-UsernameNotFound/Mass-Combat-Decider
[INFO] tweaked toml for git repo https://github.com/Error401-UsernameNotFound/Mass-Combat-Decider written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Error401-UsernameNotFound/Mass-Combat-Decider on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Error401-UsernameNotFound/Mass-Combat-Decider 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ddbeb503db8ea4ad546b0335396932a2054d15dbb17bdeff7d7657847ec8292
[INFO] running `Command { std: "docker" "start" "-a" "7ddbeb503db8ea4ad546b0335396932a2054d15dbb17bdeff7d7657847ec8292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ddbeb503db8ea4ad546b0335396932a2054d15dbb17bdeff7d7657847ec8292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddbeb503db8ea4ad546b0335396932a2054d15dbb17bdeff7d7657847ec8292", kill_on_drop: false }`
[INFO] [stdout] 7ddbeb503db8ea4ad546b0335396932a2054d15dbb17bdeff7d7657847ec8292
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ba8b8351b2069835e6e36af380a0f37a62290080ad571fb773f90b3d989d25b
[INFO] running `Command { std: "docker" "start" "-a" "4ba8b8351b2069835e6e36af380a0f37a62290080ad571fb773f90b3d989d25b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling gio v0.20.10
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling cfg-expr v0.17.2
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.26
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling toml v0.8.22
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling glib-macros v0.20.10
[INFO] [stderr]    Compiling gtk4-macros v0.9.5
[INFO] [stderr]    Compiling glib-macros v0.21.0
[INFO] [stderr]    Compiling system-deps v7.0.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling glib-sys v0.20.10
[INFO] [stderr]    Compiling gobject-sys v0.20.10
[INFO] [stderr]    Compiling gio-sys v0.20.10
[INFO] [stderr]    Compiling pango-sys v0.20.10
[INFO] [stderr]    Compiling cairo-sys-rs v0.20.10
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.20.10
[INFO] [stderr]    Compiling gdk4-sys v0.9.6
[INFO] [stderr]    Compiling graphene-sys v0.20.10
[INFO] [stderr]    Compiling gsk4-sys v0.9.6
[INFO] [stderr]    Compiling gtk4-sys v0.9.6
[INFO] [stderr]    Compiling glib-sys v0.21.1
[INFO] [stderr]    Compiling gobject-sys v0.21.1
[INFO] [stderr]    Compiling libadwaita-sys v0.7.2
[INFO] [stderr]    Compiling gio-sys v0.21.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling glib v0.20.10
[INFO] [stderr]    Compiling glib v0.21.1
[INFO] [stderr]    Compiling cairo-rs v0.20.10
[INFO] [stderr]    Compiling graphene-rs v0.20.10
[INFO] [stderr]    Compiling gdk-pixbuf v0.20.10
[INFO] [stderr]    Compiling pango v0.20.10
[INFO] [stderr]    Compiling gdk4 v0.9.6
[INFO] [stderr]    Compiling gsk4 v0.9.6
[INFO] [stderr]    Compiling gtk4 v0.9.6
[INFO] [stderr]    Compiling libadwaita v0.7.2
[INFO] [stderr]    Compiling Minimal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/simulation.rs:209:15
[INFO] [stdout]     |
[INFO] [stdout] 209 |     if let Ok(mut buffer) = console_buffer.try_borrow_mut() {
[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: value assigned to `new_counter` is never read
[INFO] [stdout]    --> src/simulation.rs:515:17
[INFO] [stdout]     |
[INFO] [stdout] 515 |         let mut new_counter = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combatant_to_kill`
[INFO] [stdout]    --> src/simulation.rs:641:9
[INFO] [stdout]     |
[INFO] [stdout] 641 |     let combatant_to_kill = combatant.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combatant_to_kill`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_damage`
[INFO] [stdout]    --> src/simulation.rs:834:30
[INFO] [stdout]     |
[INFO] [stdout] 834 |                         let (total_damage, damage_output) = calculate_damage(
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_damage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/simulation.rs:734:23
[INFO] [stdout]     |
[INFO] [stdout] 734 |             if let Ok(mut buffer) = console_buffer_clone.try_borrow_mut() {
[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/simulation.rs:809:27
[INFO] [stdout]     |
[INFO] [stdout] 809 |                 if let Ok(mut buffer) = console_buffer_clone.try_borrow_mut() {
[INFO] [stdout]     |                           ----^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "4ba8b8351b2069835e6e36af380a0f37a62290080ad571fb773f90b3d989d25b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba8b8351b2069835e6e36af380a0f37a62290080ad571fb773f90b3d989d25b", kill_on_drop: false }`
[INFO] [stdout] 4ba8b8351b2069835e6e36af380a0f37a62290080ad571fb773f90b3d989d25b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb46dd2d395d0aa47b5432096e5eabc8e2af259bea1b3bce24072f133aed3c42
[INFO] running `Command { std: "docker" "start" "-a" "fb46dd2d395d0aa47b5432096e5eabc8e2af259bea1b3bce24072f133aed3c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling Minimal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/simulation.rs:209:15
[INFO] [stdout]     |
[INFO] [stdout] 209 |     if let Ok(mut buffer) = console_buffer.try_borrow_mut() {
[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: value assigned to `new_counter` is never read
[INFO] [stdout]    --> src/simulation.rs:515:17
[INFO] [stdout]     |
[INFO] [stdout] 515 |         let mut new_counter = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combatant_to_kill`
[INFO] [stdout]    --> src/simulation.rs:641:9
[INFO] [stdout]     |
[INFO] [stdout] 641 |     let combatant_to_kill = combatant.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combatant_to_kill`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_damage`
[INFO] [stdout]    --> src/simulation.rs:834:30
[INFO] [stdout]     |
[INFO] [stdout] 834 |                         let (total_damage, damage_output) = calculate_damage(
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_damage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/simulation.rs:734:23
[INFO] [stdout]     |
[INFO] [stdout] 734 |             if let Ok(mut buffer) = console_buffer_clone.try_borrow_mut() {
[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/simulation.rs:809:27
[INFO] [stdout]     |
[INFO] [stdout] 809 |                 if let Ok(mut buffer) = console_buffer_clone.try_borrow_mut() {
[INFO] [stdout]     |                           ----^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "fb46dd2d395d0aa47b5432096e5eabc8e2af259bea1b3bce24072f133aed3c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb46dd2d395d0aa47b5432096e5eabc8e2af259bea1b3bce24072f133aed3c42", kill_on_drop: false }`
[INFO] [stdout] fb46dd2d395d0aa47b5432096e5eabc8e2af259bea1b3bce24072f133aed3c42
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6edc133704025cfb7e98d4e50327bfd0ff9ff043751ee440994e3e867d0b92c
[INFO] running `Command { std: "docker" "start" "-a" "e6edc133704025cfb7e98d4e50327bfd0ff9ff043751ee440994e3e867d0b92c", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/simulation.rs:209:15
[INFO] [stderr]     |
[INFO] [stderr] 209 |     if let Ok(mut buffer) = console_buffer.try_borrow_mut() {
[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: value assigned to `new_counter` is never read
[INFO] [stderr]    --> src/simulation.rs:515:17
[INFO] [stderr]     |
[INFO] [stderr] 515 |         let mut new_counter = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `combatant_to_kill`
[INFO] [stderr]    --> src/simulation.rs:641:9
[INFO] [stderr]     |
[INFO] [stderr] 641 |     let combatant_to_kill = combatant.clone();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combatant_to_kill`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_damage`
[INFO] [stderr]    --> src/simulation.rs:834:30
[INFO] [stderr]     |
[INFO] [stderr] 834 |                         let (total_damage, damage_output) = calculate_damage(
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_damage`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/simulation.rs:734:23
[INFO] [stderr]     |
[INFO] [stderr] 734 |             if let Ok(mut buffer) = console_buffer_clone.try_borrow_mut() {
[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/simulation.rs:809:27
[INFO] [stderr]     |
[INFO] [stderr] 809 |                 if let Ok(mut buffer) = console_buffer_clone.try_borrow_mut() {
[INFO] [stderr]     |                           ----^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `Minimal` (bin "Minimal" test) generated 6 warnings (run `cargo fix --bin "Minimal" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Minimal-2efbf7412da89eb4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6edc133704025cfb7e98d4e50327bfd0ff9ff043751ee440994e3e867d0b92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6edc133704025cfb7e98d4e50327bfd0ff9ff043751ee440994e3e867d0b92c", kill_on_drop: false }`
[INFO] [stdout] e6edc133704025cfb7e98d4e50327bfd0ff9ff043751ee440994e3e867d0b92c
