[INFO] fetching crate mincost 0.1.3...
[INFO] testing mincost-0.1.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mincost 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mincost 0.1.3
[INFO] finished tweaking crates.io crate mincost 0.1.3
[INFO] tweaked toml for crates.io crate mincost 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mincost 0.1.3 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbac0850cfd9da70465b751f43ec630cf849f9ae7106d815ae820dbb750c6cb2
[INFO] running `Command { std: "docker" "start" "-a" "cbac0850cfd9da70465b751f43ec630cf849f9ae7106d815ae820dbb750c6cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbac0850cfd9da70465b751f43ec630cf849f9ae7106d815ae820dbb750c6cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbac0850cfd9da70465b751f43ec630cf849f9ae7106d815ae820dbb750c6cb2", kill_on_drop: false }`
[INFO] [stdout] cbac0850cfd9da70465b751f43ec630cf849f9ae7106d815ae820dbb750c6cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceb4a0af4102b3579689eec618049fa6d8fff24c9543a436e18d35c236039c72
[INFO] running `Command { std: "docker" "start" "-a" "ceb4a0af4102b3579689eec618049fa6d8fff24c9543a436e18d35c236039c72", kill_on_drop: false }`
[INFO] [stderr]    Compiling mincost v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed2`
[INFO] [stdout]    --> src/ga/mod.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 if cfg!(feature = "breed2") {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed2` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed1`
[INFO] [stdout]    --> src/ga/mod.rs:242:32
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 } else if cfg!(feature = "breed1") {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed1` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "ceb4a0af4102b3579689eec618049fa6d8fff24c9543a436e18d35c236039c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb4a0af4102b3579689eec618049fa6d8fff24c9543a436e18d35c236039c72", kill_on_drop: false }`
[INFO] [stdout] ceb4a0af4102b3579689eec618049fa6d8fff24c9543a436e18d35c236039c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f041076fa4cc26e1e4b793280b67702693b5b2a3d846b7c065206cd72ddf2e95
[INFO] running `Command { std: "docker" "start" "-a" "f041076fa4cc26e1e4b793280b67702693b5b2a3d846b7c065206cd72ddf2e95", kill_on_drop: false }`
[INFO] [stderr]    Compiling mincost v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed2`
[INFO] [stdout]    --> src/ga/mod.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 if cfg!(feature = "breed2") {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed2` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed1`
[INFO] [stdout]    --> src/ga/mod.rs:242:32
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 } else if cfg!(feature = "breed1") {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed1` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed2`
[INFO] [stdout]    --> src/ga/mod.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 if cfg!(feature = "breed2") {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed2` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed1`
[INFO] [stdout]    --> src/ga/mod.rs:242:32
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 } else if cfg!(feature = "breed1") {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed1` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "f041076fa4cc26e1e4b793280b67702693b5b2a3d846b7c065206cd72ddf2e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f041076fa4cc26e1e4b793280b67702693b5b2a3d846b7c065206cd72ddf2e95", kill_on_drop: false }`
[INFO] [stdout] f041076fa4cc26e1e4b793280b67702693b5b2a3d846b7c065206cd72ddf2e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 729a237fa2befad72afae09b3ec3939439bef99ed3d1259c6c13a6251bd4bac1
[INFO] running `Command { std: "docker" "start" "-a" "729a237fa2befad72afae09b3ec3939439bef99ed3d1259c6c13a6251bd4bac1", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `breed2`
[INFO] [stdout] 
[INFO] [stderr]    --> src/ga/mod.rs:240:25
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 240 |                 if cfg!(feature = "breed2") {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stderr]     = help: consider adding `breed2` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `breed1`
[INFO] [stderr]    --> src/ga/mod.rs:242:32
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 } else if cfg!(feature = "breed1") {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stderr]     = help: consider adding `breed1` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `mincost` (lib) generated 2 warnings
[INFO] [stderr] warning: `mincost` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mincost-3be5ce4e85174730)
[INFO] [stderr]    Doc-tests mincost
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/ga/mod.rs - ga (line 25) ... FAILED
[INFO] [stdout] test src/ga/mod.rs - ga (line 29) ... FAILED
[INFO] [stdout] test src/ga/mod.rs - ga (line 6) ... FAILED
[INFO] [stdout] test src/ga/mod.rs - ga (line 10) ... FAILED
[INFO] [stdout] test src/ga/mod.rs - ga (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/ga/mod.rs - ga (line 25) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Evolution`
[INFO] [stdout]  --> src/ga/mod.rs:26:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut evolution = Evolution::init(config, fitness, randness);
[INFO] [stdout]   |                     ^^^^^^^^^ use of undeclared type `Evolution`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use mincost::Evolution;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `config` in this scope
[INFO] [stdout]  --> src/ga/mod.rs:26:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut evolution = Evolution::init(config, fitness, randness);
[INFO] [stdout]   |                                     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `fitness` in this scope
[INFO] [stdout]  --> src/ga/mod.rs:26:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut evolution = Evolution::init(config, fitness, randness);
[INFO] [stdout]   |                                             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `randness` in this scope
[INFO] [stdout]  --> src/ga/mod.rs:26:54
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut evolution = Evolution::init(config, fitness, randness);
[INFO] [stdout]   |                                                      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ga/mod.rs - ga (line 29) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `evolution` in this scope
[INFO] [stdout]  --> src/ga/mod.rs:30:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let best_ind = evolution.evolute();
[INFO] [stdout]   |                ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ga/mod.rs - ga (line 6) stdout ----
[INFO] [stdout] error: expected identifier, found `...`
[INFO] [stdout]  --> src/ga/mod.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | let config = EvolutionConfig {...}
[INFO] [stdout]   |              ---------------  ^^^ expected identifier
[INFO] [stdout]   |              |
[INFO] [stdout]   |              while parsing this struct
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]  --> src/ga/mod.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | let config = EvolutionConfig {...}
[INFO] [stdout]   |                                   ^ help: add `;` here
[INFO] [stdout] 4 | } _doctest_main_src_ga_mod_rs_6_0() }
[INFO] [stdout]   | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `EvolutionConfig` in this scope
[INFO] [stdout]  --> src/ga/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let config = EvolutionConfig {...}
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use mincost::EvolutionConfig;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ga/mod.rs - ga (line 10) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `Individual` in this scope
[INFO] [stdout]  --> src/ga/mod.rs:12:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | let randness = || -> Individual<bool> {
[INFO] [stdout]   |                      ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use mincost::Individual;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Individual` in this scope
[INFO] [stdout]  --> src/ga/mod.rs:13:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Individual {
[INFO] [stdout]   |     ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use mincost::Individual;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]  --> src/ga/mod.rs:14:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |         genes: repeat_with(|| rand::random::<bool>()).take(10).collect(),
[INFO] [stdout]   |                               ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0422, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ga/mod.rs - ga (line 19) stdout ----
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]  --> src/ga/mod.rs:21:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ...
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]   |
[INFO] [stdout] 4 -     ...
[INFO] [stdout] 4 +     ..
[INFO] [stdout]   |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout] 4 -     ...
[INFO] [stdout] 4 +     ..=
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]  --> src/ga/mod.rs:21:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ...
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] help: use `..` instead
[INFO] [stdout]   |
[INFO] [stdout] 4 -     ...
[INFO] [stdout] 4 +     ..
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Individual` in this scope
[INFO] [stdout]  --> src/ga/mod.rs:20:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | let fitness = |solution: &Individual<bool>| -> f32 {
[INFO] [stdout]   |                           ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use mincost::Individual;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0586.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/ga/mod.rs - ga (line 10)
[INFO] [stdout]     src/ga/mod.rs - ga (line 19)
[INFO] [stdout]     src/ga/mod.rs - ga (line 25)
[INFO] [stdout]     src/ga/mod.rs - ga (line 29)
[INFO] [stdout]     src/ga/mod.rs - ga (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "729a237fa2befad72afae09b3ec3939439bef99ed3d1259c6c13a6251bd4bac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729a237fa2befad72afae09b3ec3939439bef99ed3d1259c6c13a6251bd4bac1", kill_on_drop: false }`
[INFO] [stdout] 729a237fa2befad72afae09b3ec3939439bef99ed3d1259c6c13a6251bd4bac1
