[INFO] cloning repository https://github.com/hscHeric/genetic_alg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hscHeric/genetic_alg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhscHeric%2Fgenetic_alg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhscHeric%2Fgenetic_alg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dc3f687d76e3f61a43d6c9d9ba76b8459438310
[INFO] testing hscHeric/genetic_alg against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhscHeric%2Fgenetic_alg" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hscHeric/genetic_alg
[INFO] finished tweaking git repo https://github.com/hscHeric/genetic_alg
[INFO] tweaked toml for git repo https://github.com/hscHeric/genetic_alg written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hscHeric/genetic_alg on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hscHeric/genetic_alg 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46316c454baf862be066d779503ae2e65f526a7ba26ed5d68a472e90cefc26f7
[INFO] running `Command { std: "docker" "start" "-a" "46316c454baf862be066d779503ae2e65f526a7ba26ed5d68a472e90cefc26f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46316c454baf862be066d779503ae2e65f526a7ba26ed5d68a472e90cefc26f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46316c454baf862be066d779503ae2e65f526a7ba26ed5d68a472e90cefc26f7", kill_on_drop: false }`
[INFO] [stdout] 46316c454baf862be066d779503ae2e65f526a7ba26ed5d68a472e90cefc26f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da814ca7815b09aabd79f0ed5903c9b4c649bad194fdbd94f4315df7cbe9479d
[INFO] running `Command { std: "docker" "start" "-a" "da814ca7815b09aabd79f0ed5903c9b4c649bad194fdbd94f4315df7cbe9479d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[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 genetic_alg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: function `slice_chromosome` is private
[INFO] [stdout]   --> src/main.rs:1:18
[INFO] [stdout]    |
[INFO] [stdout]  1 | use genetic_alg::slice_chromosome;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ private function
[INFO] [stdout]    |
[INFO] [stdout] note: the function `slice_chromosome` is defined here
[INFO] [stdout]   --> src/genetic_alg.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn slice_chromosome(chromosome: &[u8], slice_len: usize) -> Vec<Vec<u8>> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genetic_alg` (bin "genetic_alg") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "da814ca7815b09aabd79f0ed5903c9b4c649bad194fdbd94f4315df7cbe9479d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da814ca7815b09aabd79f0ed5903c9b4c649bad194fdbd94f4315df7cbe9479d", kill_on_drop: false }`
[INFO] [stdout] da814ca7815b09aabd79f0ed5903c9b4c649bad194fdbd94f4315df7cbe9479d