[INFO] cloning repository https://github.com/StelarCF/genetic_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StelarCF/genetic_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStelarCF%2Fgenetic_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStelarCF%2Fgenetic_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ce0fbb3519cc2f7744dea052092da06b09d720a
[INFO] testing StelarCF/genetic_test against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStelarCF%2Fgenetic_test" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StelarCF/genetic_test on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StelarCF/genetic_test
[INFO] finished tweaking git repo https://github.com/StelarCF/genetic_test
[INFO] tweaked toml for git repo https://github.com/StelarCF/genetic_test written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/StelarCF/genetic_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38eff4019ea44f49fd1b85fb7fe51db91d8faa9991c618baf536b52d360dc16a
[INFO] running `Command { std: "docker" "start" "-a" "38eff4019ea44f49fd1b85fb7fe51db91d8faa9991c618baf536b52d360dc16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38eff4019ea44f49fd1b85fb7fe51db91d8faa9991c618baf536b52d360dc16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38eff4019ea44f49fd1b85fb7fe51db91d8faa9991c618baf536b52d360dc16a", kill_on_drop: false }`
[INFO] [stdout] 38eff4019ea44f49fd1b85fb7fe51db91d8faa9991c618baf536b52d360dc16a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa38ce0a4b64c70627d3209349c5c2858587445b409b743ada22c7886a9e08f7
[INFO] running `Command { std: "docker" "start" "-a" "fa38ce0a4b64c70627d3209349c5c2858587445b409b743ada22c7886a9e08f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.13
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling genetic_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         for mut muscle in &mut self.muscles {
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/main.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     id: i64
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `next_id` should have an upper case name
[INFO] [stdout]   --> src/main.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | static mut next_id : i64 = 0;
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper case: `NEXT_ID`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "fa38ce0a4b64c70627d3209349c5c2858587445b409b743ada22c7886a9e08f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa38ce0a4b64c70627d3209349c5c2858587445b409b743ada22c7886a9e08f7", kill_on_drop: false }`
[INFO] [stdout] fa38ce0a4b64c70627d3209349c5c2858587445b409b743ada22c7886a9e08f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bcbd977f9f4941118707873d11f4a1e407dfa2582c52ed7ad1b48bb0909ace3
[INFO] running `Command { std: "docker" "start" "-a" "7bcbd977f9f4941118707873d11f4a1e407dfa2582c52ed7ad1b48bb0909ace3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling genetic_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:384:36
[INFO] [stdout]     |
[INFO] [stdout] 384 |         let fitness = test_fitness(creature);
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    expected `&mut Creature`, found struct `Creature`
[INFO] [stdout]     |                                    help: consider mutably borrowing here: `&mut creature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:386:41
[INFO] [stdout]     |
[INFO] [stdout] 386 |             let fitness2 = test_fitness(creature);
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         expected `&mut Creature`, found struct `Creature`
[INFO] [stdout]     |                                         help: consider mutably borrowing here: `&mut creature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genetic_test` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "7bcbd977f9f4941118707873d11f4a1e407dfa2582c52ed7ad1b48bb0909ace3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcbd977f9f4941118707873d11f4a1e407dfa2582c52ed7ad1b48bb0909ace3", kill_on_drop: false }`
[INFO] [stdout] 7bcbd977f9f4941118707873d11f4a1e407dfa2582c52ed7ad1b48bb0909ace3