[INFO] fetching crate rs-genetics 0.1.1...
[INFO] testing rs-genetics-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rs-genetics 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rs-genetics 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rs-genetics 0.1.1
[INFO] tweaked toml for crates.io crate rs-genetics 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-genetics 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs-genetics 0.1.1 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df787b833180af940b44abdaff4edba7756cada7f077ef236ca5462d36e354e8
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[INFO] [stdout] df787b833180af940b44abdaff4edba7756cada7f077ef236ca5462d36e354e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15a585661428234fd44a73624622d9d3c48fcedbc058af904e78187627844cd6
[INFO] running `Command { std: "docker" "start" "-a" "15a585661428234fd44a73624622d9d3c48fcedbc058af904e78187627844cd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]    Compiling bytemuck v1.21.0
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling font-kit v0.14.2
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling pathfinder_simd v0.5.4
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling plotters-bitmap v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling rs-genetics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/population.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let mut individual:Vec<usize> = (0..81).map(|_|rng.gen_range(0..10)).collect();
[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: field `initialization` is never read
[INFO] [stdout]   --> src/population.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct GA<F>
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 75 | where F:Fn(Population)->f64{
[INFO] [stdout] 76 |     initialization: InitializationStrategy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.43s
[INFO] running `Command { std: "docker" "inspect" "15a585661428234fd44a73624622d9d3c48fcedbc058af904e78187627844cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a585661428234fd44a73624622d9d3c48fcedbc058af904e78187627844cd6", kill_on_drop: false }`
[INFO] [stdout] 15a585661428234fd44a73624622d9d3c48fcedbc058af904e78187627844cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3100a6d7a45af825d7ab2ee8b79e560252a63188cdded73c8bed50b2fe1219ca
[INFO] running `Command { std: "docker" "start" "-a" "3100a6d7a45af825d7ab2ee8b79e560252a63188cdded73c8bed50b2fe1219ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-genetics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/population.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let mut individual:Vec<usize> = (0..81).map(|_|rng.gen_range(0..10)).collect();
[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: field `initialization` is never read
[INFO] [stdout]   --> src/population.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct GA<F>
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 75 | where F:Fn(Population)->f64{
[INFO] [stdout] 76 |     initialization: InitializationStrategy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/population.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let mut individual:Vec<usize> = (0..81).map(|_|rng.gen_range(0..10)).collect();
[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: field `initialization` is never read
[INFO] [stdout]   --> src/population.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct GA<F>
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 75 | where F:Fn(Population)->f64{
[INFO] [stdout] 76 |     initialization: InitializationStrategy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TSPInitialization`
[INFO] [stdout]  --> examples/sudoku.rs:2:67
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_genetics::population::{Config, GA, InitializationStrategy, TSPInitialization, GetPopulation, Population, SudokuInitialization};
[INFO] [stdout]   |                                                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "3100a6d7a45af825d7ab2ee8b79e560252a63188cdded73c8bed50b2fe1219ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3100a6d7a45af825d7ab2ee8b79e560252a63188cdded73c8bed50b2fe1219ca", kill_on_drop: false }`
[INFO] [stdout] 3100a6d7a45af825d7ab2ee8b79e560252a63188cdded73c8bed50b2fe1219ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8cab032fd5883312c68751f0aea99a561ed6685733530ff213b4fe15c1d00e9f
[INFO] running `Command { std: "docker" "start" "-a" "8cab032fd5883312c68751f0aea99a561ed6685733530ff213b4fe15c1d00e9f", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/population.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |             let mut individual:Vec<usize> = (0..81).map(|_|rng.gen_range(0..10)).collect();
[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: field `initialization` is never read
[INFO] [stderr]   --> src/population.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub struct GA<F>
[INFO] [stderr]    |            -- field in this struct
[INFO] [stderr] 75 | where F:Fn(Population)->f64{
[INFO] [stderr] 76 |     initialization: InitializationStrategy,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-genetics` (lib) generated 2 warnings (run `cargo fix --lib -p rs-genetics` to apply 1 suggestion)
[INFO] [stderr] warning: `rs-genetics` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused import: `TSPInitialization`
[INFO] [stderr]  --> examples/sudoku.rs:2:67
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rs_genetics::population::{Config, GA, InitializationStrategy, TSPInitialization, GetPopulation, Population, SudokuInitialization};
[INFO] [stderr]   |                                                                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-genetics` (example "sudoku") generated 1 warning (run `cargo fix --example "sudoku" -p rs-genetics` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_genetics-48118c12cfbf7b9c)
[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] [stderr]    Doc-tests rs_genetics
[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" "8cab032fd5883312c68751f0aea99a561ed6685733530ff213b4fe15c1d00e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cab032fd5883312c68751f0aea99a561ed6685733530ff213b4fe15c1d00e9f", kill_on_drop: false }`
[INFO] [stdout] 8cab032fd5883312c68751f0aea99a561ed6685733530ff213b4fe15c1d00e9f
