[INFO] cloning repository https://github.com/optozorax/klrc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/optozorax/klrc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptozorax%2Fklrc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptozorax%2Fklrc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f06d0c91298f89305d126604803e9ee21f08522c
[INFO] checking optozorax/klrc against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptozorax%2Fklrc" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/optozorax/klrc on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/optozorax/klrc
[INFO] finished tweaking git repo https://github.com/optozorax/klrc
[INFO] tweaked toml for git repo https://github.com/optozorax/klrc written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02411d7cf7fff3f27c01d1c03ee3ee6b887dd45295e38fa6fe25cba3252ffdfd
[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" "02411d7cf7fff3f27c01d1c03ee3ee6b887dd45295e38fa6fe25cba3252ffdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02411d7cf7fff3f27c01d1c03ee3ee6b887dd45295e38fa6fe25cba3252ffdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02411d7cf7fff3f27c01d1c03ee3ee6b887dd45295e38fa6fe25cba3252ffdfd", kill_on_drop: false }`
[INFO] [stdout] 02411d7cf7fff3f27c01d1c03ee3ee6b887dd45295e38fa6fe25cba3252ffdfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eaaf1d29ce8f415f0ff764188f0bf781485c9dcff0ee6a358152c6f6b11f9a3
[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" "4eaaf1d29ce8f415f0ff764188f0bf781485c9dcff0ee6a358152c6f6b11f9a3", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking keyboard-layout-statistics-counter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/main.rs:1140:5
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     return;
[INFO] [stdout]      |     ------ any code following this expression is unreachable
[INFO] [stdout] 1139 | 
[INFO] [stdout] 1140 |     count_vowels();
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bad_rolls`
[INFO] [stdout]    --> src/main.rs:974:9
[INFO] [stdout]     |
[INFO] [stdout] 974 |     let bad_rolls = all_bad_sum as f64 * bad_rolls;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bad_rolls`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]     --> src/main.rs:1140:5
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     return;
[INFO] [stdout]      |     ------ any code following this expression is unreachable
[INFO] [stdout] 1139 | 
[INFO] [stdout] 1140 |     count_vowels();
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `select_best_rolls`
[INFO] [stdout]    --> src/main.rs:671:4
[INFO] [stdout]     |
[INFO] [stdout] 671 | fn select_best_rolls(rolls: &Vec<RollSplitted>) -> RollSplitted {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `populationSize` should have a snake case name
[INFO] [stdout]    --> src/main.rs:894:9
[INFO] [stdout]     |
[INFO] [stdout] 894 |     let populationSize = 50;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `population_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `evolutionsCount` should have a snake case name
[INFO] [stdout]    --> src/main.rs:896:9
[INFO] [stdout]     |
[INFO] [stdout] 896 |     let evolutionsCount = 5;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evolutions_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bestCount` should have a snake case name
[INFO] [stdout]    --> src/main.rs:897:9
[INFO] [stdout]     |
[INFO] [stdout] 897 |     let bestCount = 5;
[INFO] [stdout]     |         ^^^^^^^^^ help: convert the identifier to snake case: `best_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bestChildrenCount` should have a snake case name
[INFO] [stdout]    --> src/main.rs:898:9
[INFO] [stdout]     |
[INFO] [stdout] 898 |     let bestChildrenCount = populationSize/bestCount - 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `best_children_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `evaledPopulation` should have a snake case name
[INFO] [stdout]    --> src/main.rs:909:21
[INFO] [stdout]     |
[INFO] [stdout] 909 | ...   let mut evaledPopulation: Vec<(KladenetsKeyboard, f64)> = population.iter().map(|k| (k.clone(), eval_one_handed_kladenets(k, &stats...
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evaled_population`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `firstEmpty` should have a snake case name
[INFO] [stdout]    --> src/main.rs:984:9
[INFO] [stdout]     |
[INFO] [stdout] 984 |     let firstEmpty = keyboard[a.0][a.1].len() == 0;
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `first_empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `secondEmpty` should have a snake case name
[INFO] [stdout]    --> src/main.rs:985:9
[INFO] [stdout]     |
[INFO] [stdout] 985 |     let secondEmpty = keyboard[b.0][b.1].len() == 0;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: convert the identifier to snake case: `second_empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bad_rolls`
[INFO] [stdout]    --> src/main.rs:974:9
[INFO] [stdout]     |
[INFO] [stdout] 974 |     let bad_rolls = all_bad_sum as f64 * bad_rolls;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bad_rolls`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `select_best_rolls`
[INFO] [stdout]    --> src/main.rs:671:4
[INFO] [stdout]     |
[INFO] [stdout] 671 | fn select_best_rolls(rolls: &Vec<RollSplitted>) -> RollSplitted {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `populationSize` should have a snake case name
[INFO] [stdout]    --> src/main.rs:894:9
[INFO] [stdout]     |
[INFO] [stdout] 894 |     let populationSize = 50;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `population_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `evolutionsCount` should have a snake case name
[INFO] [stdout]    --> src/main.rs:896:9
[INFO] [stdout]     |
[INFO] [stdout] 896 |     let evolutionsCount = 5;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evolutions_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bestCount` should have a snake case name
[INFO] [stdout]    --> src/main.rs:897:9
[INFO] [stdout]     |
[INFO] [stdout] 897 |     let bestCount = 5;
[INFO] [stdout]     |         ^^^^^^^^^ help: convert the identifier to snake case: `best_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bestChildrenCount` should have a snake case name
[INFO] [stdout]    --> src/main.rs:898:9
[INFO] [stdout]     |
[INFO] [stdout] 898 |     let bestChildrenCount = populationSize/bestCount - 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `best_children_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `evaledPopulation` should have a snake case name
[INFO] [stdout]    --> src/main.rs:909:21
[INFO] [stdout]     |
[INFO] [stdout] 909 | ...   let mut evaledPopulation: Vec<(KladenetsKeyboard, f64)> = population.iter().map(|k| (k.clone(), eval_one_handed_kladenets(k, &stats...
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evaled_population`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `firstEmpty` should have a snake case name
[INFO] [stdout]    --> src/main.rs:984:9
[INFO] [stdout]     |
[INFO] [stdout] 984 |     let firstEmpty = keyboard[a.0][a.1].len() == 0;
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `first_empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `secondEmpty` should have a snake case name
[INFO] [stdout]    --> src/main.rs:985:9
[INFO] [stdout]     |
[INFO] [stdout] 985 |     let secondEmpty = keyboard[b.0][b.1].len() == 0;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: convert the identifier to snake case: `second_empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.35s
[INFO] running `Command { std: "docker" "inspect" "4eaaf1d29ce8f415f0ff764188f0bf781485c9dcff0ee6a358152c6f6b11f9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eaaf1d29ce8f415f0ff764188f0bf781485c9dcff0ee6a358152c6f6b11f9a3", kill_on_drop: false }`
[INFO] [stdout] 4eaaf1d29ce8f415f0ff764188f0bf781485c9dcff0ee6a358152c6f6b11f9a3