[INFO] updating cached repository https://github.com/optozorax/klrc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f06d0c91298f89305d126604803e9ee21f08522c
[INFO] testing optozorax/klrc against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptozorax%2Fklrc" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/optozorax/klrc on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f89cfd4dff5de6f71362b01a0485e985a39ab9e30fc2b17105aa6fa7d9c5cc51
[INFO] running `"docker" "start" "-a" "f89cfd4dff5de6f71362b01a0485e985a39ab9e30fc2b17105aa6fa7d9c5cc51"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling keyboard-layout-statistics-counter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]     --> src/main.rs:1140:5
[INFO] [stderr]      |
[INFO] [stderr] 1138 |     return;
[INFO] [stderr]      |     ------ any code following this expression is unreachable
[INFO] [stderr] 1139 | 
[INFO] [stderr] 1140 |     count_vowels();
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bad_rolls`
[INFO] [stderr]    --> src/main.rs:974:9
[INFO] [stderr]     |
[INFO] [stderr] 974 |     let bad_rolls = all_bad_sum as f64 * bad_rolls;
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bad_rolls`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `select_best_rolls`
[INFO] [stderr]    --> src/main.rs:671:4
[INFO] [stderr]     |
[INFO] [stderr] 671 | fn select_best_rolls(rolls: &Vec<RollSplitted>) -> RollSplitted {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `populationSize` should have a snake case name
[INFO] [stderr]    --> src/main.rs:894:9
[INFO] [stderr]     |
[INFO] [stderr] 894 |     let populationSize = 50;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `population_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `evolutionsCount` should have a snake case name
[INFO] [stderr]    --> src/main.rs:896:9
[INFO] [stderr]     |
[INFO] [stderr] 896 |     let evolutionsCount = 5;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evolutions_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bestCount` should have a snake case name
[INFO] [stderr]    --> src/main.rs:897:9
[INFO] [stderr]     |
[INFO] [stderr] 897 |     let bestCount = 5;
[INFO] [stderr]     |         ^^^^^^^^^ help: convert the identifier to snake case: `best_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bestChildrenCount` should have a snake case name
[INFO] [stderr]    --> src/main.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |     let bestChildrenCount = populationSize/bestCount - 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `best_children_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `evaledPopulation` should have a snake case name
[INFO] [stderr]    --> src/main.rs:909:21
[INFO] [stderr]     |
[INFO] [stderr] 909 |             let mut evaledPopulation: Vec<(KladenetsKeyboard, f64)> = population.iter().map(|k| (k.clone(), eval_one_handed_kladenets(k, &stats))).collect();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evaled_population`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `firstEmpty` should have a snake case name
[INFO] [stderr]    --> src/main.rs:984:9
[INFO] [stderr]     |
[INFO] [stderr] 984 |     let firstEmpty = keyboard[a.0][a.1].len() == 0;
[INFO] [stderr]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `first_empty`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `secondEmpty` should have a snake case name
[INFO] [stderr]    --> src/main.rs:985:9
[INFO] [stderr]     |
[INFO] [stderr] 985 |     let secondEmpty = keyboard[b.0][b.1].len() == 0;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: convert the identifier to snake case: `second_empty`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.46s
[INFO] running `"docker" "inspect" "f89cfd4dff5de6f71362b01a0485e985a39ab9e30fc2b17105aa6fa7d9c5cc51"`
[INFO] running `"docker" "rm" "-f" "f89cfd4dff5de6f71362b01a0485e985a39ab9e30fc2b17105aa6fa7d9c5cc51"`
[INFO] [stdout] f89cfd4dff5de6f71362b01a0485e985a39ab9e30fc2b17105aa6fa7d9c5cc51
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 555fd8138eac88baed7166a454d6ebeaa8f1e11f61d6cba1bcaa3d29c94e3122
[INFO] running `"docker" "start" "-a" "555fd8138eac88baed7166a454d6ebeaa8f1e11f61d6cba1bcaa3d29c94e3122"`
[INFO] [stderr]    Compiling keyboard-layout-statistics-counter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]     --> src/main.rs:1140:5
[INFO] [stderr]      |
[INFO] [stderr] 1138 |     return;
[INFO] [stderr]      |     ------ any code following this expression is unreachable
[INFO] [stderr] 1139 | 
[INFO] [stderr] 1140 |     count_vowels();
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bad_rolls`
[INFO] [stderr]    --> src/main.rs:974:9
[INFO] [stderr]     |
[INFO] [stderr] 974 |     let bad_rolls = all_bad_sum as f64 * bad_rolls;
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bad_rolls`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `select_best_rolls`
[INFO] [stderr]    --> src/main.rs:671:4
[INFO] [stderr]     |
[INFO] [stderr] 671 | fn select_best_rolls(rolls: &Vec<RollSplitted>) -> RollSplitted {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `populationSize` should have a snake case name
[INFO] [stderr]    --> src/main.rs:894:9
[INFO] [stderr]     |
[INFO] [stderr] 894 |     let populationSize = 50;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `population_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `evolutionsCount` should have a snake case name
[INFO] [stderr]    --> src/main.rs:896:9
[INFO] [stderr]     |
[INFO] [stderr] 896 |     let evolutionsCount = 5;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evolutions_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bestCount` should have a snake case name
[INFO] [stderr]    --> src/main.rs:897:9
[INFO] [stderr]     |
[INFO] [stderr] 897 |     let bestCount = 5;
[INFO] [stderr]     |         ^^^^^^^^^ help: convert the identifier to snake case: `best_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bestChildrenCount` should have a snake case name
[INFO] [stderr]    --> src/main.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |     let bestChildrenCount = populationSize/bestCount - 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `best_children_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `evaledPopulation` should have a snake case name
[INFO] [stderr]    --> src/main.rs:909:21
[INFO] [stderr]     |
[INFO] [stderr] 909 |             let mut evaledPopulation: Vec<(KladenetsKeyboard, f64)> = population.iter().map(|k| (k.clone(), eval_one_handed_kladenets(k, &stats))).collect();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evaled_population`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `firstEmpty` should have a snake case name
[INFO] [stderr]    --> src/main.rs:984:9
[INFO] [stderr]     |
[INFO] [stderr] 984 |     let firstEmpty = keyboard[a.0][a.1].len() == 0;
[INFO] [stderr]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `first_empty`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `secondEmpty` should have a snake case name
[INFO] [stderr]    --> src/main.rs:985:9
[INFO] [stderr]     |
[INFO] [stderr] 985 |     let secondEmpty = keyboard[b.0][b.1].len() == 0;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: convert the identifier to snake case: `second_empty`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "555fd8138eac88baed7166a454d6ebeaa8f1e11f61d6cba1bcaa3d29c94e3122"`
[INFO] running `"docker" "rm" "-f" "555fd8138eac88baed7166a454d6ebeaa8f1e11f61d6cba1bcaa3d29c94e3122"`
[INFO] [stdout] 555fd8138eac88baed7166a454d6ebeaa8f1e11f61d6cba1bcaa3d29c94e3122
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa86537a61186e35ad3584112be4459cc6f67e247ff6c54bca95b4320d541743
[INFO] running `"docker" "start" "-a" "fa86537a61186e35ad3584112be4459cc6f67e247ff6c54bca95b4320d541743"`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]     --> src/main.rs:1140:5
[INFO] [stderr]      |
[INFO] [stderr] 1138 |     return;
[INFO] [stderr]      |     ------ any code following this expression is unreachable
[INFO] [stderr] 1139 | 
[INFO] [stderr] 1140 |     count_vowels();
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bad_rolls`
[INFO] [stderr]    --> src/main.rs:974:9
[INFO] [stderr]     |
[INFO] [stderr] 974 |     let bad_rolls = all_bad_sum as f64 * bad_rolls;
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bad_rolls`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `select_best_rolls`
[INFO] [stderr]    --> src/main.rs:671:4
[INFO] [stderr]     |
[INFO] [stderr] 671 | fn select_best_rolls(rolls: &Vec<RollSplitted>) -> RollSplitted {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `populationSize` should have a snake case name
[INFO] [stderr]    --> src/main.rs:894:9
[INFO] [stderr]     |
[INFO] [stderr] 894 |     let populationSize = 50;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `population_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `evolutionsCount` should have a snake case name
[INFO] [stderr]    --> src/main.rs:896:9
[INFO] [stderr]     |
[INFO] [stderr] 896 |     let evolutionsCount = 5;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evolutions_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bestCount` should have a snake case name
[INFO] [stderr]    --> src/main.rs:897:9
[INFO] [stderr]     |
[INFO] [stderr] 897 |     let bestCount = 5;
[INFO] [stderr]     |         ^^^^^^^^^ help: convert the identifier to snake case: `best_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bestChildrenCount` should have a snake case name
[INFO] [stderr]    --> src/main.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |     let bestChildrenCount = populationSize/bestCount - 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `best_children_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `evaledPopulation` should have a snake case name
[INFO] [stderr]    --> src/main.rs:909:21
[INFO] [stderr]     |
[INFO] [stderr] 909 |             let mut evaledPopulation: Vec<(KladenetsKeyboard, f64)> = population.iter().map(|k| (k.clone(), eval_one_handed_kladenets(k, &stats))).collect();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `evaled_population`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `firstEmpty` should have a snake case name
[INFO] [stderr]    --> src/main.rs:984:9
[INFO] [stderr]     |
[INFO] [stderr] 984 |     let firstEmpty = keyboard[a.0][a.1].len() == 0;
[INFO] [stderr]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `first_empty`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `secondEmpty` should have a snake case name
[INFO] [stderr]    --> src/main.rs:985:9
[INFO] [stderr]     |
[INFO] [stderr] 985 |     let secondEmpty = keyboard[b.0][b.1].len() == 0;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: convert the identifier to snake case: `second_empty`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/keyboard_layout_statistics_counter-090617d2fe032050
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fa86537a61186e35ad3584112be4459cc6f67e247ff6c54bca95b4320d541743"`
[INFO] running `"docker" "rm" "-f" "fa86537a61186e35ad3584112be4459cc6f67e247ff6c54bca95b4320d541743"`
[INFO] [stdout] fa86537a61186e35ad3584112be4459cc6f67e247ff6c54bca95b4320d541743