[INFO] cloning repository https://github.com/khskarl/genetic-thing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khskarl/genetic-thing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhskarl%2Fgenetic-thing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhskarl%2Fgenetic-thing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a0df2414ca4389cc43d063c349625b27f201b25
[INFO] documenting khskarl/genetic-thing against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhskarl%2Fgenetic-thing" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khskarl/genetic-thing on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/khskarl/genetic-thing
[INFO] finished tweaking git repo https://github.com/khskarl/genetic-thing
[INFO] tweaked toml for git repo https://github.com/khskarl/genetic-thing written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/khskarl/genetic-thing 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.1.37
[INFO] [stderr]   Downloaded gnuplot v0.0.22
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded num-rational v0.1.36
[INFO] [stderr]   Downloaded rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded num-bigint v0.1.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5424973560a39cfd165b9142abc35dcb5638a76256490eaa2fceeb74d069411b
[INFO] running `Command { std: "docker" "start" "-a" "5424973560a39cfd165b9142abc35dcb5638a76256490eaa2fceeb74d069411b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5424973560a39cfd165b9142abc35dcb5638a76256490eaa2fceeb74d069411b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5424973560a39cfd165b9142abc35dcb5638a76256490eaa2fceeb74d069411b", kill_on_drop: false }`
[INFO] [stdout] 5424973560a39cfd165b9142abc35dcb5638a76256490eaa2fceeb74d069411b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56bf0812a416d5daaae55a2702c0f3ff84d35729d838d2320e1f34248019552b
[INFO] running `Command { std: "docker" "start" "-a" "56bf0812a416d5daaae55a2702c0f3ff84d35729d838d2320e1f34248019552b", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking gnuplot v0.0.22
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]  Documenting genetic-thing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/genetic/fitness.rs:248:23
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut penalty = (factor_bad_steps);
[INFO] [stdout]     |                       ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 248 -     let mut penalty = (factor_bad_steps);
[INFO] [stdout] 248 +     let mut penalty = factor_bad_steps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/genetic/fitness.rs:249:23
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut fitness = (factor_close * 0.2 + factor_consecutive_steps);
[INFO] [stdout]     |                       ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 249 -     let mut fitness = (factor_close * 0.2 + factor_consecutive_steps);
[INFO] [stdout] 249 +     let mut fitness = factor_close * 0.2 + factor_consecutive_steps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/genetic/mutation.rs:52:74
[INFO] [stdout]    |
[INFO] [stdout] 52 |         *gene = rand::thread_rng().gen_range(range.start, range.end + 1);;
[INFO] [stdout]    |                                                                          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/genetic/mutation.rs:61:76
[INFO] [stdout]    |
[INFO] [stdout] 61 |         *gene = rand::thread_rng().gen_range(range.start, range.end + 1.0);;
[INFO] [stdout]    |                                                                            ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.23
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/genetic_thing/index.html
[INFO] running `Command { std: "docker" "inspect" "56bf0812a416d5daaae55a2702c0f3ff84d35729d838d2320e1f34248019552b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56bf0812a416d5daaae55a2702c0f3ff84d35729d838d2320e1f34248019552b", kill_on_drop: false }`
[INFO] [stdout] 56bf0812a416d5daaae55a2702c0f3ff84d35729d838d2320e1f34248019552b
