[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] checking StelarCF/genetic_test against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStelarCF%2Fgenetic_test" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StelarCF/genetic_test on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-10/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4fdecf7c890b6b2ccbc8d9ebbc987552b3edca637522fbe2dc55484d1158bb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4fdecf7c890b6b2ccbc8d9ebbc987552b3edca637522fbe2dc55484d1158bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4fdecf7c890b6b2ccbc8d9ebbc987552b3edca637522fbe2dc55484d1158bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4fdecf7c890b6b2ccbc8d9ebbc987552b3edca637522fbe2dc55484d1158bb1", kill_on_drop: false }`
[INFO] [stdout] b4fdecf7c890b6b2ccbc8d9ebbc987552b3edca637522fbe2dc55484d1158bb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e66917acaaf3852b1c15749af318f708d7ae640efe77a0d2d0c23703002bed0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e66917acaaf3852b1c15749af318f708d7ae640efe77a0d2d0c23703002bed0c", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking 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: 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] 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] warning: 2 warnings emitted
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e66917acaaf3852b1c15749af318f708d7ae640efe77a0d2d0c23703002bed0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66917acaaf3852b1c15749af318f708d7ae640efe77a0d2d0c23703002bed0c", kill_on_drop: false }`
[INFO] [stdout] e66917acaaf3852b1c15749af318f708d7ae640efe77a0d2d0c23703002bed0c