[INFO] cloning repository https://github.com/saladuit/Genetic_Algorithm_in_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saladuit/Genetic_Algorithm_in_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaladuit%2FGenetic_Algorithm_in_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaladuit%2FGenetic_Algorithm_in_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 540c21ddb020907cd6460765cee2c33d52cc954d
[INFO] documenting saladuit/Genetic_Algorithm_in_Rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaladuit%2FGenetic_Algorithm_in_Rust" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saladuit/Genetic_Algorithm_in_Rust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saladuit/Genetic_Algorithm_in_Rust
[INFO] finished tweaking git repo https://github.com/saladuit/Genetic_Algorithm_in_Rust
[INFO] tweaked toml for git repo https://github.com/saladuit/Genetic_Algorithm_in_Rust written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/saladuit/Genetic_Algorithm_in_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06e518ca2c43d02cc408c9771b925b2755f03c3565df4d41c529194554518520
[INFO] running `Command { std: "docker" "start" "-a" "06e518ca2c43d02cc408c9771b925b2755f03c3565df4d41c529194554518520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06e518ca2c43d02cc408c9771b925b2755f03c3565df4d41c529194554518520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e518ca2c43d02cc408c9771b925b2755f03c3565df4d41c529194554518520", kill_on_drop: false }`
[INFO] [stdout] 06e518ca2c43d02cc408c9771b925b2755f03c3565df4d41c529194554518520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14f565daea434eca8542e48d969e4b66b7cf76afd990961062d1428e711fef1a
[INFO] running `Command { std: "docker" "start" "-a" "14f565daea434eca8542e48d969e4b66b7cf76afd990961062d1428e711fef1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting genetic_algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `->`, `where`, or `{`, found keyword `fn`
[INFO] [stdout]   --> src/main.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn  mutation(individual: Chromosome, )
[INFO] [stdout]    |                                       - expected one of `->`, `where`, or `{`
[INFO] [stdout] 75 | fn main() {
[INFO] [stdout]    | ^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `genetic_algorithm`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name genetic_algorithm src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=17c2aa4085e38aa5 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-9ed84647ba1ea367.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "14f565daea434eca8542e48d969e4b66b7cf76afd990961062d1428e711fef1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f565daea434eca8542e48d969e4b66b7cf76afd990961062d1428e711fef1a", kill_on_drop: false }`
[INFO] [stdout] 14f565daea434eca8542e48d969e4b66b7cf76afd990961062d1428e711fef1a