Dec 17 19:29:33.545 INFO checking mmajko/knapsack-problem against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:29:33.545 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/mmajko/knapsack-problem:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:29:34.042 INFO [stdout] af53bd81f1c484b1079ab40798ba04f20233360f39758a40875a17d27289f261
Dec 17 19:29:34.045 INFO running `"docker" "start" "-a" "af53bd81f1c484b1079ab40798ba04f20233360f39758a40875a17d27289f261"`
Dec 17 19:29:35.665 INFO [stderr]     Checking rand v0.3.18
Dec 17 19:29:37.128 INFO [stderr]     Checking knapsack-problem v0.2.0 (/opt/crater/workdir)
Dec 17 19:29:37.312 INFO [stderr] warning: unused import: `solvers::recursive`
Dec 17 19:29:37.312 INFO [stderr]  --> src/solvers/dynamic.rs:2:5
Dec 17 19:29:37.312 INFO [stderr]   |
Dec 17 19:29:37.312 INFO [stderr] 2 | use solvers::recursive;
Dec 17 19:29:37.312 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 19:29:37.312 INFO [stderr]   |
Dec 17 19:29:37.312 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:29:37.312 INFO [stderr] 
Dec 17 19:29:37.312 INFO [stderr] warning: unused imports: `KnapItem`, `sum_of_prices`
Dec 17 19:29:37.312 INFO [stderr]  --> src/solvers/recursive.rs:1:14
Dec 17 19:29:37.312 INFO [stderr]   |
Dec 17 19:29:37.312 INFO [stderr] 1 | use parser::{sum_of_prices, Knapsack, KnapItem};
Dec 17 19:29:37.312 INFO [stderr]   |              ^^^^^^^^^^^^^            ^^^^^^^^
Dec 17 19:29:37.312 INFO [stderr] 
Dec 17 19:29:37.312 INFO [stderr] warning: unused import: `inspect`
Dec 17 19:29:37.312 INFO [stderr]  --> src/genetic/mod.rs:6:48
Dec 17 19:29:37.312 INFO [stderr]   |
Dec 17 19:29:37.312 INFO [stderr] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population};
Dec 17 19:29:37.312 INFO [stderr]   |                                                ^^^^^^^
Dec 17 19:29:37.312 INFO [stderr] 
Dec 17 19:29:37.314 INFO [stderr] warning: unused import: `solvers::recursive`
Dec 17 19:29:37.314 INFO [stderr]  --> src/solvers/dynamic.rs:2:5
Dec 17 19:29:37.314 INFO [stderr]   |
Dec 17 19:29:37.314 INFO [stderr] 2 | use solvers::recursive;
Dec 17 19:29:37.314 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 19:29:37.314 INFO [stderr]   |
Dec 17 19:29:37.314 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:29:37.314 INFO [stderr] 
Dec 17 19:29:37.314 INFO [stderr] warning: unused imports: `KnapItem`, `sum_of_prices`
Dec 17 19:29:37.314 INFO [stderr]  --> src/solvers/recursive.rs:1:14
Dec 17 19:29:37.314 INFO [stderr]   |
Dec 17 19:29:37.314 INFO [stderr] 1 | use parser::{sum_of_prices, Knapsack, KnapItem};
Dec 17 19:29:37.314 INFO [stderr]   |              ^^^^^^^^^^^^^            ^^^^^^^^
Dec 17 19:29:37.314 INFO [stderr] 
Dec 17 19:29:37.314 INFO [stderr] warning: unused import: `inspect`
Dec 17 19:29:37.314 INFO [stderr]  --> src/genetic/mod.rs:6:48
Dec 17 19:29:37.314 INFO [stderr]   |
Dec 17 19:29:37.314 INFO [stderr] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population};
Dec 17 19:29:37.314 INFO [stderr]   |                                                ^^^^^^^
Dec 17 19:29:37.314 INFO [stderr] 
Dec 17 19:29:37.480 INFO [stderr] warning: unused variable: `x`
Dec 17 19:29:37.481 INFO [stderr]   --> src/solvers/mod.rs:60:72
Dec 17 19:29:37.481 INFO [stderr]    |
Dec 17 19:29:37.481 INFO [stderr] 60 |     let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i])
Dec 17 19:29:37.482 INFO [stderr]    |                                                                        ^ help: consider using `_x` instead
Dec 17 19:29:37.482 INFO [stderr]    |
Dec 17 19:29:37.482 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:29:37.482 INFO [stderr] 
Dec 17 19:29:37.482 INFO [stderr] warning: unused variable: `i`
Dec 17 19:29:37.483 INFO [stderr]   --> src/solvers/mod.rs:61:28
Dec 17 19:29:37.483 INFO [stderr]    |
Dec 17 19:29:37.483 INFO [stderr] 61 |                     .map(|(i, x)| *x).collect();
Dec 17 19:29:37.484 INFO [stderr]    |                            ^ help: consider using `_i` instead
Dec 17 19:29:37.484 INFO [stderr] 
Dec 17 19:29:37.484 INFO [stderr] warning: unused variable: `pop_size`
Dec 17 19:29:37.484 INFO [stderr]  --> src/genetic/selectors.rs:7:9
Dec 17 19:29:37.484 INFO [stderr]   |
Dec 17 19:29:37.485 INFO [stderr] 7 |     let pop_size = population.len();
Dec 17 19:29:37.485 INFO [stderr]   |         ^^^^^^^^ help: consider using `_pop_size` instead
Dec 17 19:29:37.485 INFO [stderr] 
Dec 17 19:29:37.485 INFO [stderr] warning: unused variable: `generation`
Dec 17 19:29:37.486 INFO [stderr]   --> src/genetic/utils.rs:34:19
Dec 17 19:29:37.486 INFO [stderr]    |
Dec 17 19:29:37.486 INFO [stderr] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
Dec 17 19:29:37.486 INFO [stderr]    |                   ^^^^^^^^^^ help: consider using `_generation` instead
Dec 17 19:29:37.487 INFO [stderr] 
Dec 17 19:29:37.487 INFO [stderr] warning: unused variable: `elitism_count`
Dec 17 19:29:37.487 INFO [stderr]   --> src/genetic/mod.rs:16:9
Dec 17 19:29:37.487 INFO [stderr]    |
Dec 17 19:29:37.488 INFO [stderr] 16 |     let elitism_count = 2;
Dec 17 19:29:37.488 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_elitism_count` instead
Dec 17 19:29:37.488 INFO [stderr] 
Dec 17 19:29:37.488 INFO [stderr] warning: unused variable: `i`
Dec 17 19:29:37.489 INFO [stderr]   --> src/genetic/mod.rs:21:9
Dec 17 19:29:37.489 INFO [stderr]    |
Dec 17 19:29:37.489 INFO [stderr] 21 |     for i in 0..500 {
Dec 17 19:29:37.489 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 17 19:29:37.490 INFO [stderr] 
Dec 17 19:29:37.521 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:29:37.521 INFO [stderr]   --> src/reporter.rs:22:9
Dec 17 19:29:37.521 INFO [stderr]    |
Dec 17 19:29:37.522 INFO [stderr] 22 |     let mut stype = String::from(format!("{:?}", solution));
Dec 17 19:29:37.522 INFO [stderr]    |         ----^^^^^
Dec 17 19:29:37.522 INFO [stderr]    |         |
Dec 17 19:29:37.522 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:29:37.523 INFO [stderr]    |
Dec 17 19:29:37.523 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:29:37.523 INFO [stderr] 
Dec 17 19:29:37.550 INFO [stderr] warning: unused variable: `x`
Dec 17 19:29:37.550 INFO [stderr]   --> src/solvers/mod.rs:60:72
Dec 17 19:29:37.550 INFO [stderr]    |
Dec 17 19:29:37.550 INFO [stderr] 60 |     let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i])
Dec 17 19:29:37.550 INFO [stderr]    |                                                                        ^ help: consider using `_x` instead
Dec 17 19:29:37.550 INFO [stderr]    |
Dec 17 19:29:37.550 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:29:37.550 INFO [stderr] 
Dec 17 19:29:37.550 INFO [stderr] warning: unused variable: `i`
Dec 17 19:29:37.550 INFO [stderr]   --> src/solvers/mod.rs:61:28
Dec 17 19:29:37.550 INFO [stderr]    |
Dec 17 19:29:37.550 INFO [stderr] 61 |                     .map(|(i, x)| *x).collect();
Dec 17 19:29:37.550 INFO [stderr]    |                            ^ help: consider using `_i` instead
Dec 17 19:29:37.550 INFO [stderr] 
Dec 17 19:29:37.550 INFO [stderr] warning: unused variable: `pop_size`
Dec 17 19:29:37.550 INFO [stderr]  --> src/genetic/selectors.rs:7:9
Dec 17 19:29:37.550 INFO [stderr]   |
Dec 17 19:29:37.550 INFO [stderr] 7 |     let pop_size = population.len();
Dec 17 19:29:37.550 INFO [stderr]   |         ^^^^^^^^ help: consider using `_pop_size` instead
Dec 17 19:29:37.550 INFO [stderr] 
Dec 17 19:29:37.550 INFO [stderr] warning: unused variable: `generation`
Dec 17 19:29:37.550 INFO [stderr]   --> src/genetic/utils.rs:34:19
Dec 17 19:29:37.550 INFO [stderr]    |
Dec 17 19:29:37.550 INFO [stderr] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
Dec 17 19:29:37.550 INFO [stderr]    |                   ^^^^^^^^^^ help: consider using `_generation` instead
Dec 17 19:29:37.550 INFO [stderr] 
Dec 17 19:29:37.550 INFO [stderr] warning: unused variable: `elitism_count`
Dec 17 19:29:37.550 INFO [stderr]   --> src/genetic/mod.rs:16:9
Dec 17 19:29:37.550 INFO [stderr]    |
Dec 17 19:29:37.550 INFO [stderr] 16 |     let elitism_count = 2;
Dec 17 19:29:37.550 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_elitism_count` instead
Dec 17 19:29:37.550 INFO [stderr] 
Dec 17 19:29:37.550 INFO [stderr] warning: unused variable: `i`
Dec 17 19:29:37.550 INFO [stderr]   --> src/genetic/mod.rs:21:9
Dec 17 19:29:37.551 INFO [stderr]    |
Dec 17 19:29:37.551 INFO [stderr] 21 |     for i in 0..500 {
Dec 17 19:29:37.551 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 17 19:29:37.551 INFO [stderr] 
Dec 17 19:29:37.564 INFO [stderr] warning: variant is never constructed: `None`
Dec 17 19:29:37.564 INFO [stderr]   --> src/parser.rs:10:5
Dec 17 19:29:37.564 INFO [stderr]    |
Dec 17 19:29:37.564 INFO [stderr] 10 |     None,
Dec 17 19:29:37.564 INFO [stderr]    |     ^^^^
Dec 17 19:29:37.564 INFO [stderr]    |
Dec 17 19:29:37.564 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:29:37.564 INFO [stderr] 
Dec 17 19:29:37.565 INFO [stderr] warning: variant is never constructed: `FPTAS25`
Dec 17 19:29:37.565 INFO [stderr]   --> src/parser.rs:15:5
Dec 17 19:29:37.565 INFO [stderr]    |
Dec 17 19:29:37.565 INFO [stderr] 15 |     FPTAS25,
Dec 17 19:29:37.565 INFO [stderr]    |     ^^^^^^^
Dec 17 19:29:37.565 INFO [stderr] 
Dec 17 19:29:37.565 INFO [stderr] warning: variant is never constructed: `FPTAS75`
Dec 17 19:29:37.565 INFO [stderr]   --> src/parser.rs:17:5
Dec 17 19:29:37.565 INFO [stderr]    |
Dec 17 19:29:37.565 INFO [stderr] 17 |     FPTAS75,
Dec 17 19:29:37.565 INFO [stderr]    |     ^^^^^^^
Dec 17 19:29:37.565 INFO [stderr] 
Dec 17 19:29:37.566 INFO [stderr] warning: function is never used: `inspect`
Dec 17 19:29:37.566 INFO [stderr]   --> src/genetic/utils.rs:34:1
Dec 17 19:29:37.566 INFO [stderr]    |
Dec 17 19:29:37.566 INFO [stderr] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
Dec 17 19:29:37.566 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:29:37.566 INFO [stderr] 
Dec 17 19:29:37.578 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:29:37.578 INFO [stderr]   --> src/reporter.rs:22:9
Dec 17 19:29:37.578 INFO [stderr]    |
Dec 17 19:29:37.578 INFO [stderr] 22 |     let mut stype = String::from(format!("{:?}", solution));
Dec 17 19:29:37.578 INFO [stderr]    |         ----^^^^^
Dec 17 19:29:37.578 INFO [stderr]    |         |
Dec 17 19:29:37.578 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:29:37.578 INFO [stderr]    |
Dec 17 19:29:37.578 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:29:37.578 INFO [stderr] 
Dec 17 19:29:37.608 INFO [stderr] warning: variant is never constructed: `None`
Dec 17 19:29:37.608 INFO [stderr]   --> src/parser.rs:10:5
Dec 17 19:29:37.608 INFO [stderr]    |
Dec 17 19:29:37.608 INFO [stderr] 10 |     None,
Dec 17 19:29:37.608 INFO [stderr]    |     ^^^^
Dec 17 19:29:37.608 INFO [stderr]    |
Dec 17 19:29:37.608 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:29:37.608 INFO [stderr] 
Dec 17 19:29:37.609 INFO [stderr] warning: variant is never constructed: `FPTAS25`
Dec 17 19:29:37.609 INFO [stderr]   --> src/parser.rs:15:5
Dec 17 19:29:37.609 INFO [stderr]    |
Dec 17 19:29:37.609 INFO [stderr] 15 |     FPTAS25,
Dec 17 19:29:37.609 INFO [stderr]    |     ^^^^^^^
Dec 17 19:29:37.609 INFO [stderr] 
Dec 17 19:29:37.609 INFO [stderr] warning: variant is never constructed: `FPTAS75`
Dec 17 19:29:37.610 INFO [stderr]   --> src/parser.rs:17:5
Dec 17 19:29:37.610 INFO [stderr]    |
Dec 17 19:29:37.610 INFO [stderr] 17 |     FPTAS75,
Dec 17 19:29:37.610 INFO [stderr]    |     ^^^^^^^
Dec 17 19:29:37.610 INFO [stderr] 
Dec 17 19:29:37.610 INFO [stderr] warning: function is never used: `inspect`
Dec 17 19:29:37.611 INFO [stderr]   --> src/genetic/utils.rs:34:1
Dec 17 19:29:37.611 INFO [stderr]    |
Dec 17 19:29:37.611 INFO [stderr] 34 | pub fn inspect<F>(generation: usize, sorted_population: &Vec<Vec<bool>>, fitness_fn: &F) where F: Fn(&Vec<bool>) -> usize {
Dec 17 19:29:37.611 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:29:37.611 INFO [stderr] 
Dec 17 19:29:37.640 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
Dec 17 19:29:38.812 INFO running `"docker" "inspect" "af53bd81f1c484b1079ab40798ba04f20233360f39758a40875a17d27289f261"`
Dec 17 19:29:39.176 INFO running `"docker" "rm" "-f" "af53bd81f1c484b1079ab40798ba04f20233360f39758a40875a17d27289f261"`
Dec 17 19:29:39.396 INFO [stdout] af53bd81f1c484b1079ab40798ba04f20233360f39758a40875a17d27289f261