Dec 12 02:57:54.726 INFO checking Eragra3/GA against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 02:57:54.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 02:57:55.220 INFO [stdout] 7124fc4d3fd1bac8bf321ac779145c062278e9361474f23ad650560a956a473e
Dec 12 02:57:55.222 INFO running `"docker" "start" "-a" "7124fc4d3fd1bac8bf321ac779145c062278e9361474f23ad650560a956a473e"`
Dec 12 02:57:56.684 INFO [stderr] usermod: no changes
Dec 12 02:57:56.864 INFO [stderr]     Checking gnuplot v0.0.22
Dec 12 02:57:56.864 INFO [stderr]     Checking time v0.1.38
Dec 12 02:57:56.876 INFO [stderr]     Checking serde_yaml v0.7.1
Dec 12 02:57:56.876 INFO [stderr]     Checking csv v1.0.0-beta.3
Dec 12 02:57:56.888 INFO [stderr]    Compiling serde_derive v1.0.9
Dec 12 02:57:59.824 INFO [stderr]     Checking pbr v1.0.0
Dec 12 02:57:59.824 INFO [stderr]     Checking chrono v0.4.0
Dec 12 02:58:09.604 INFO [stderr]     Checking genetic v0.1.0 (/source)
Dec 12 02:58:11.097 INFO [stderr] warning: unused import: `Rng`
Dec 12 02:58:11.097 INFO [stderr]  --> src/mutators.rs:3:12
Dec 12 02:58:11.097 INFO [stderr]   |
Dec 12 02:58:11.097 INFO [stderr] 3 | use rand::{Rng};
Dec 12 02:58:11.097 INFO [stderr]   |            ^^^
Dec 12 02:58:11.097 INFO [stderr]   |
Dec 12 02:58:11.097 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:58:11.097 INFO [stderr] 
Dec 12 02:58:11.097 INFO [stderr] warning: unused import: `Normal`
Dec 12 02:58:11.097 INFO [stderr]  --> src/mutators.rs:4:35
Dec 12 02:58:11.097 INFO [stderr]   |
Dec 12 02:58:11.097 INFO [stderr] 4 | use rand::distributions::normal::{Normal};
Dec 12 02:58:11.097 INFO [stderr]   |                                   ^^^^^^
Dec 12 02:58:11.097 INFO [stderr] 
Dec 12 02:58:11.236 INFO [stderr] warning: unused import: `Rng`
Dec 12 02:58:11.236 INFO [stderr]  --> src/mutators.rs:3:12
Dec 12 02:58:11.236 INFO [stderr]   |
Dec 12 02:58:11.236 INFO [stderr] 3 | use rand::{Rng};
Dec 12 02:58:11.236 INFO [stderr]   |            ^^^
Dec 12 02:58:11.236 INFO [stderr]   |
Dec 12 02:58:11.236 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:58:11.236 INFO [stderr] 
Dec 12 02:58:11.236 INFO [stderr] warning: unused import: `Normal`
Dec 12 02:58:11.236 INFO [stderr]  --> src/mutators.rs:4:35
Dec 12 02:58:11.236 INFO [stderr]   |
Dec 12 02:58:11.236 INFO [stderr] 4 | use rand::distributions::normal::{Normal};
Dec 12 02:58:11.236 INFO [stderr]   |                                   ^^^^^^
Dec 12 02:58:11.236 INFO [stderr] 
Dec 12 02:58:11.428 INFO [stderr] warning: unused variable: `worst_specimens_fitness`
Dec 12 02:58:11.428 INFO [stderr]   --> src/main.rs:73:13
Dec 12 02:58:11.428 INFO [stderr]    |
Dec 12 02:58:11.428 INFO [stderr] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
Dec 12 02:58:11.428 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_worst_specimens_fitness` instead
Dec 12 02:58:11.428 INFO [stderr]    |
Dec 12 02:58:11.428 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:58:11.428 INFO [stderr] 
Dec 12 02:58:11.428 INFO [stderr] warning: unused variable: `avg_specimens_fitness`
Dec 12 02:58:11.428 INFO [stderr]   --> src/main.rs:74:13
Dec 12 02:58:11.428 INFO [stderr]    |
Dec 12 02:58:11.428 INFO [stderr] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
Dec 12 02:58:11.429 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^ help: consider using `_avg_specimens_fitness` instead
Dec 12 02:58:11.429 INFO [stderr] 
Dec 12 02:58:11.429 INFO [stderr] warning: unused variable: `best_specimens_fitness`
Dec 12 02:58:11.429 INFO [stderr]   --> src/main.rs:75:13
Dec 12 02:58:11.429 INFO [stderr]    |
Dec 12 02:58:11.429 INFO [stderr] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
Dec 12 02:58:11.429 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_best_specimens_fitness` instead
Dec 12 02:58:11.429 INFO [stderr] 
Dec 12 02:58:11.429 INFO [stderr] warning: unused variable: `mutator`
Dec 12 02:58:11.429 INFO [stderr]   --> src/main.rs:80:9
Dec 12 02:58:11.429 INFO [stderr]    |
Dec 12 02:58:11.429 INFO [stderr] 80 |     let mutator = RandomSwap::new();
Dec 12 02:58:11.429 INFO [stderr]    |         ^^^^^^^ help: consider using `_mutator` instead
Dec 12 02:58:11.429 INFO [stderr] 
Dec 12 02:58:11.429 INFO [stderr] warning: unused variable: `new_specimens_perc`
Dec 12 02:58:11.429 INFO [stderr]    --> src/main.rs:174:17
Dec 12 02:58:11.429 INFO [stderr]     |
Dec 12 02:58:11.429 INFO [stderr] 174 |             let new_specimens_perc = new_specimens_count as f64 / evolution_params.population_count as f64 * 100.;
Dec 12 02:58:11.429 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: consider using `_new_specimens_perc` instead
Dec 12 02:58:11.429 INFO [stderr] 
Dec 12 02:58:11.429 INFO [stderr] warning: unused variable: `index`
Dec 12 02:58:11.429 INFO [stderr]   --> src/mutators.rs:18:13
Dec 12 02:58:11.429 INFO [stderr]    |
Dec 12 02:58:11.429 INFO [stderr] 18 |         for index in 0..value.len() {
Dec 12 02:58:11.429 INFO [stderr]    |             ^^^^^ help: consider using `_index` instead
Dec 12 02:58:11.429 INFO [stderr] 
Dec 12 02:58:11.460 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:58:11.460 INFO [stderr]   --> src/main.rs:73:9
Dec 12 02:58:11.460 INFO [stderr]    |
Dec 12 02:58:11.460 INFO [stderr] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
Dec 12 02:58:11.460 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.460 INFO [stderr]    |         |
Dec 12 02:58:11.460 INFO [stderr]    |         help: remove this `mut`
Dec 12 02:58:11.460 INFO [stderr]    |
Dec 12 02:58:11.460 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 02:58:11.460 INFO [stderr] 
Dec 12 02:58:11.460 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:58:11.460 INFO [stderr]   --> src/main.rs:74:9
Dec 12 02:58:11.460 INFO [stderr]    |
Dec 12 02:58:11.460 INFO [stderr] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
Dec 12 02:58:11.460 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.460 INFO [stderr]    |         |
Dec 12 02:58:11.460 INFO [stderr]    |         help: remove this `mut`
Dec 12 02:58:11.460 INFO [stderr] 
Dec 12 02:58:11.460 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:58:11.460 INFO [stderr]   --> src/main.rs:75:9
Dec 12 02:58:11.460 INFO [stderr]    |
Dec 12 02:58:11.460 INFO [stderr] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
Dec 12 02:58:11.460 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.460 INFO [stderr]    |         |
Dec 12 02:58:11.460 INFO [stderr]    |         help: remove this `mut`
Dec 12 02:58:11.460 INFO [stderr] 
Dec 12 02:58:11.553 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:58:11.553 INFO [stderr]   --> src/mutators.rs:16:50
Dec 12 02:58:11.553 INFO [stderr]    |
Dec 12 02:58:11.553 INFO [stderr] 16 |     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
Dec 12 02:58:11.553 INFO [stderr]    |                                                  ----^^^^^
Dec 12 02:58:11.553 INFO [stderr]    |                                                  |
Dec 12 02:58:11.553 INFO [stderr]    |                                                  help: remove this `mut`
Dec 12 02:58:11.553 INFO [stderr] 
Dec 12 02:58:11.560 INFO [stderr] warning: function is never used: `swap_random`
Dec 12 02:58:11.560 INFO [stderr]    --> src/specimen.rs:143:1
Dec 12 02:58:11.560 INFO [stderr]     |
Dec 12 02:58:11.560 INFO [stderr] 143 | fn swap_random<T>(mutable_vector: &mut [T], index: usize, range: f64) {
Dec 12 02:58:11.560 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.560 INFO [stderr]     |
Dec 12 02:58:11.560 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 02:58:11.560 INFO [stderr] 
Dec 12 02:58:11.560 INFO [stderr] warning: method is never used: `mutate`
Dec 12 02:58:11.560 INFO [stderr]   --> src/mutators.rs:16:5
Dec 12 02:58:11.560 INFO [stderr]    |
Dec 12 02:58:11.560 INFO [stderr] 16 | /     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
Dec 12 02:58:11.560 INFO [stderr] 17 | |         where T : Copy {
Dec 12 02:58:11.560 INFO [stderr] 18 | |         for index in 0..value.len() {
Dec 12 02:58:11.560 INFO [stderr] 19 | |             if rand::random::<f64>() < mutation_rate {
Dec 12 02:58:11.560 INFO [stderr] ...  |
Dec 12 02:58:11.560 INFO [stderr] 22 | |         }
Dec 12 02:58:11.560 INFO [stderr] 23 | |     }
Dec 12 02:58:11.560 INFO [stderr]    | |_____^
Dec 12 02:58:11.560 INFO [stderr] 
Dec 12 02:58:11.566 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:58:11.566 INFO [stderr]   --> src/main.rs:96:5
Dec 12 02:58:11.566 INFO [stderr]    |
Dec 12 02:58:11.566 INFO [stderr] 96 |     generations_logger.serialize(row);
Dec 12 02:58:11.566 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.566 INFO [stderr]    |
Dec 12 02:58:11.566 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 02:58:11.567 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:58:11.567 INFO [stderr] 
Dec 12 02:58:11.567 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:58:11.567 INFO [stderr]    --> src/main.rs:185:13
Dec 12 02:58:11.567 INFO [stderr]     |
Dec 12 02:58:11.567 INFO [stderr] 185 |             generations_logger.serialize(row);
Dec 12 02:58:11.567 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.567 INFO [stderr]     |
Dec 12 02:58:11.567 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:58:11.567 INFO [stderr] 
Dec 12 02:58:11.800 INFO [stderr] warning: unused variable: `worst_specimens_fitness`
Dec 12 02:58:11.800 INFO [stderr]   --> src/main.rs:73:13
Dec 12 02:58:11.800 INFO [stderr]    |
Dec 12 02:58:11.800 INFO [stderr] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
Dec 12 02:58:11.800 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_worst_specimens_fitness` instead
Dec 12 02:58:11.800 INFO [stderr]    |
Dec 12 02:58:11.800 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:58:11.800 INFO [stderr] 
Dec 12 02:58:11.800 INFO [stderr] warning: unused variable: `avg_specimens_fitness`
Dec 12 02:58:11.800 INFO [stderr]   --> src/main.rs:74:13
Dec 12 02:58:11.800 INFO [stderr]    |
Dec 12 02:58:11.800 INFO [stderr] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
Dec 12 02:58:11.800 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^ help: consider using `_avg_specimens_fitness` instead
Dec 12 02:58:11.800 INFO [stderr] 
Dec 12 02:58:11.800 INFO [stderr] warning: unused variable: `best_specimens_fitness`
Dec 12 02:58:11.800 INFO [stderr]   --> src/main.rs:75:13
Dec 12 02:58:11.800 INFO [stderr]    |
Dec 12 02:58:11.800 INFO [stderr] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
Dec 12 02:58:11.800 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_best_specimens_fitness` instead
Dec 12 02:58:11.800 INFO [stderr] 
Dec 12 02:58:11.800 INFO [stderr] warning: unused variable: `mutator`
Dec 12 02:58:11.800 INFO [stderr]   --> src/main.rs:80:9
Dec 12 02:58:11.800 INFO [stderr]    |
Dec 12 02:58:11.800 INFO [stderr] 80 |     let mutator = RandomSwap::new();
Dec 12 02:58:11.800 INFO [stderr]    |         ^^^^^^^ help: consider using `_mutator` instead
Dec 12 02:58:11.800 INFO [stderr] 
Dec 12 02:58:11.800 INFO [stderr] warning: unused variable: `new_specimens_perc`
Dec 12 02:58:11.800 INFO [stderr]    --> src/main.rs:174:17
Dec 12 02:58:11.800 INFO [stderr]     |
Dec 12 02:58:11.800 INFO [stderr] 174 |             let new_specimens_perc = new_specimens_count as f64 / evolution_params.population_count as f64 * 100.;
Dec 12 02:58:11.800 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: consider using `_new_specimens_perc` instead
Dec 12 02:58:11.800 INFO [stderr] 
Dec 12 02:58:11.800 INFO [stderr] warning: unused variable: `index`
Dec 12 02:58:11.800 INFO [stderr]   --> src/mutators.rs:18:13
Dec 12 02:58:11.800 INFO [stderr]    |
Dec 12 02:58:11.800 INFO [stderr] 18 |         for index in 0..value.len() {
Dec 12 02:58:11.800 INFO [stderr]    |             ^^^^^ help: consider using `_index` instead
Dec 12 02:58:11.800 INFO [stderr] 
Dec 12 02:58:11.820 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:58:11.820 INFO [stderr]   --> src/main.rs:73:9
Dec 12 02:58:11.820 INFO [stderr]    |
Dec 12 02:58:11.820 INFO [stderr] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
Dec 12 02:58:11.820 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.820 INFO [stderr]    |         |
Dec 12 02:58:11.820 INFO [stderr]    |         help: remove this `mut`
Dec 12 02:58:11.820 INFO [stderr]    |
Dec 12 02:58:11.820 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 02:58:11.820 INFO [stderr] 
Dec 12 02:58:11.820 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:58:11.820 INFO [stderr]   --> src/main.rs:74:9
Dec 12 02:58:11.820 INFO [stderr]    |
Dec 12 02:58:11.820 INFO [stderr] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
Dec 12 02:58:11.820 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.820 INFO [stderr]    |         |
Dec 12 02:58:11.820 INFO [stderr]    |         help: remove this `mut`
Dec 12 02:58:11.820 INFO [stderr] 
Dec 12 02:58:11.820 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:58:11.820 INFO [stderr]   --> src/main.rs:75:9
Dec 12 02:58:11.820 INFO [stderr]    |
Dec 12 02:58:11.820 INFO [stderr] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
Dec 12 02:58:11.821 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.821 INFO [stderr]    |         |
Dec 12 02:58:11.821 INFO [stderr]    |         help: remove this `mut`
Dec 12 02:58:11.821 INFO [stderr] 
Dec 12 02:58:11.910 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:58:11.910 INFO [stderr]   --> src/mutators.rs:16:50
Dec 12 02:58:11.910 INFO [stderr]    |
Dec 12 02:58:11.910 INFO [stderr] 16 |     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
Dec 12 02:58:11.910 INFO [stderr]    |                                                  ----^^^^^
Dec 12 02:58:11.910 INFO [stderr]    |                                                  |
Dec 12 02:58:11.910 INFO [stderr]    |                                                  help: remove this `mut`
Dec 12 02:58:11.910 INFO [stderr] 
Dec 12 02:58:11.910 INFO [stderr] warning: function is never used: `swap_random`
Dec 12 02:58:11.910 INFO [stderr]    --> src/specimen.rs:143:1
Dec 12 02:58:11.910 INFO [stderr]     |
Dec 12 02:58:11.910 INFO [stderr] 143 | fn swap_random<T>(mutable_vector: &mut [T], index: usize, range: f64) {
Dec 12 02:58:11.910 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.915 INFO [stderr]     |
Dec 12 02:58:11.915 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 02:58:11.915 INFO [stderr] 
Dec 12 02:58:11.915 INFO [stderr] warning: method is never used: `mutate`
Dec 12 02:58:11.915 INFO [stderr]   --> src/mutators.rs:16:5
Dec 12 02:58:11.915 INFO [stderr]    |
Dec 12 02:58:11.915 INFO [stderr] 16 | /     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
Dec 12 02:58:11.915 INFO [stderr] 17 | |         where T : Copy {
Dec 12 02:58:11.915 INFO [stderr] 18 | |         for index in 0..value.len() {
Dec 12 02:58:11.915 INFO [stderr] 19 | |             if rand::random::<f64>() < mutation_rate {
Dec 12 02:58:11.915 INFO [stderr] ...  |
Dec 12 02:58:11.915 INFO [stderr] 22 | |         }
Dec 12 02:58:11.915 INFO [stderr] 23 | |     }
Dec 12 02:58:11.915 INFO [stderr]    | |_____^
Dec 12 02:58:11.915 INFO [stderr] 
Dec 12 02:58:11.915 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:58:11.915 INFO [stderr]   --> src/main.rs:96:5
Dec 12 02:58:11.915 INFO [stderr]    |
Dec 12 02:58:11.915 INFO [stderr] 96 |     generations_logger.serialize(row);
Dec 12 02:58:11.915 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.915 INFO [stderr]    |
Dec 12 02:58:11.915 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 02:58:11.915 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:58:11.915 INFO [stderr] 
Dec 12 02:58:11.915 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:58:11.915 INFO [stderr]    --> src/main.rs:185:13
Dec 12 02:58:11.915 INFO [stderr]     |
Dec 12 02:58:11.915 INFO [stderr] 185 |             generations_logger.serialize(row);
Dec 12 02:58:11.915 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:58:11.915 INFO [stderr]     |
Dec 12 02:58:11.915 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:58:11.915 INFO [stderr] 
Dec 12 02:58:11.972 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.25s
Dec 12 02:58:11.972 INFO [stderr] su: No module specific data is present
Dec 12 02:58:12.900 INFO running `"docker" "inspect" "7124fc4d3fd1bac8bf321ac779145c062278e9361474f23ad650560a956a473e"`
Dec 12 02:58:13.240 INFO running `"docker" "rm" "-f" "7124fc4d3fd1bac8bf321ac779145c062278e9361474f23ad650560a956a473e"`
Dec 12 02:58:13.564 INFO [stdout] 7124fc4d3fd1bac8bf321ac779145c062278e9361474f23ad650560a956a473e