Dec 17 19:29:34.737 INFO checking mmajko/knapsack-problem against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:29:34.737 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:29:35.157 INFO [stdout] cb69440ca8004b79ddd6c66d6601326859cc9c9509bbe28bd08e4c2d76e465ef
Dec 17 19:29:35.161 INFO running `"docker" "start" "-a" "cb69440ca8004b79ddd6c66d6601326859cc9c9509bbe28bd08e4c2d76e465ef"`
Dec 17 19:29:36.896 INFO [stderr]     Checking rand v0.3.18
Dec 17 19:29:38.292 INFO [stderr]     Checking knapsack-problem v0.2.0 (/opt/crater/workdir)
Dec 17 19:29:38.480 INFO [stderr] warning: unused import: `solvers::recursive`
Dec 17 19:29:38.480 INFO [stderr]  --> src/solvers/dynamic.rs:2:5
Dec 17 19:29:38.480 INFO [stderr]   |
Dec 17 19:29:38.480 INFO [stderr] 2 | use solvers::recursive;
Dec 17 19:29:38.480 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 19:29:38.480 INFO [stderr]   |
Dec 17 19:29:38.480 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:29:38.480 INFO [stderr] 
Dec 17 19:29:38.480 INFO [stderr] warning: unused imports: `KnapItem`, `sum_of_prices`
Dec 17 19:29:38.480 INFO [stderr]  --> src/solvers/recursive.rs:1:14
Dec 17 19:29:38.480 INFO [stderr]   |
Dec 17 19:29:38.480 INFO [stderr] 1 | use parser::{sum_of_prices, Knapsack, KnapItem};
Dec 17 19:29:38.480 INFO [stderr]   |              ^^^^^^^^^^^^^            ^^^^^^^^
Dec 17 19:29:38.480 INFO [stderr] 
Dec 17 19:29:38.480 INFO [stderr] warning: unused import: `inspect`
Dec 17 19:29:38.480 INFO [stderr]  --> src/genetic/mod.rs:6:48
Dec 17 19:29:38.480 INFO [stderr]   |
Dec 17 19:29:38.480 INFO [stderr] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population};
Dec 17 19:29:38.480 INFO [stderr]   |                                                ^^^^^^^
Dec 17 19:29:38.480 INFO [stderr] 
Dec 17 19:29:38.612 INFO [stderr] warning: unused import: `solvers::recursive`
Dec 17 19:29:38.612 INFO [stderr]  --> src/solvers/dynamic.rs:2:5
Dec 17 19:29:38.612 INFO [stderr]   |
Dec 17 19:29:38.612 INFO [stderr] 2 | use solvers::recursive;
Dec 17 19:29:38.612 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 19:29:38.612 INFO [stderr]   |
Dec 17 19:29:38.612 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:29:38.613 INFO [stderr] 
Dec 17 19:29:38.613 INFO [stderr] warning: unused imports: `KnapItem`, `sum_of_prices`
Dec 17 19:29:38.613 INFO [stderr]  --> src/solvers/recursive.rs:1:14
Dec 17 19:29:38.613 INFO [stderr]   |
Dec 17 19:29:38.613 INFO [stderr] 1 | use parser::{sum_of_prices, Knapsack, KnapItem};
Dec 17 19:29:38.613 INFO [stderr]   |              ^^^^^^^^^^^^^            ^^^^^^^^
Dec 17 19:29:38.613 INFO [stderr] 
Dec 17 19:29:38.613 INFO [stderr] warning: unused import: `inspect`
Dec 17 19:29:38.613 INFO [stderr]  --> src/genetic/mod.rs:6:48
Dec 17 19:29:38.613 INFO [stderr]   |
Dec 17 19:29:38.613 INFO [stderr] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population};
Dec 17 19:29:38.613 INFO [stderr]   |                                                ^^^^^^^
Dec 17 19:29:38.613 INFO [stderr] 
Dec 17 19:29:38.824 INFO [stderr] warning: unused variable: `x`
Dec 17 19:29:38.824 INFO [stderr]   --> src/solvers/mod.rs:60:72
Dec 17 19:29:38.824 INFO [stderr]    |
Dec 17 19:29:38.824 INFO [stderr] 60 |     let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i])
Dec 17 19:29:38.824 INFO [stderr]    |                                                                        ^ help: consider using `_x` instead
Dec 17 19:29:38.824 INFO [stderr]    |
Dec 17 19:29:38.824 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:29:38.824 INFO [stderr] 
Dec 17 19:29:38.824 INFO [stderr] warning: unused variable: `i`
Dec 17 19:29:38.824 INFO [stderr]   --> src/solvers/mod.rs:61:28
Dec 17 19:29:38.824 INFO [stderr]    |
Dec 17 19:29:38.824 INFO [stderr] 61 |                     .map(|(i, x)| *x).collect();
Dec 17 19:29:38.824 INFO [stderr]    |                            ^ help: consider using `_i` instead
Dec 17 19:29:38.824 INFO [stderr] 
Dec 17 19:29:38.824 INFO [stderr] warning: unused variable: `pop_size`
Dec 17 19:29:38.824 INFO [stderr]  --> src/genetic/selectors.rs:7:9
Dec 17 19:29:38.824 INFO [stderr]   |
Dec 17 19:29:38.824 INFO [stderr] 7 |     let pop_size = population.len();
Dec 17 19:29:38.824 INFO [stderr]   |         ^^^^^^^^ help: consider using `_pop_size` instead
Dec 17 19:29:38.824 INFO [stderr] 
Dec 17 19:29:38.824 INFO [stderr] warning: unused variable: `generation`
Dec 17 19:29:38.824 INFO [stderr]   --> src/genetic/utils.rs:34:19
Dec 17 19:29:38.824 INFO [stderr]    |
Dec 17 19:29:38.824 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 19:29:38.824 INFO [stderr]    |                   ^^^^^^^^^^ help: consider using `_generation` instead
Dec 17 19:29:38.824 INFO [stderr] 
Dec 17 19:29:38.824 INFO [stderr] warning: unused variable: `elitism_count`
Dec 17 19:29:38.824 INFO [stderr]   --> src/genetic/mod.rs:16:9
Dec 17 19:29:38.824 INFO [stderr]    |
Dec 17 19:29:38.824 INFO [stderr] 16 |     let elitism_count = 2;
Dec 17 19:29:38.824 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_elitism_count` instead
Dec 17 19:29:38.832 INFO [stderr] 
Dec 17 19:29:38.832 INFO [stderr] warning: unused variable: `i`
Dec 17 19:29:38.832 INFO [stderr]   --> src/genetic/mod.rs:21:9
Dec 17 19:29:38.832 INFO [stderr]    |
Dec 17 19:29:38.832 INFO [stderr] 21 |     for i in 0..500 {
Dec 17 19:29:38.832 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 17 19:29:38.832 INFO [stderr] 
Dec 17 19:29:38.852 INFO [stderr] warning: unused variable: `x`
Dec 17 19:29:38.852 INFO [stderr]   --> src/solvers/mod.rs:60:72
Dec 17 19:29:38.852 INFO [stderr]    |
Dec 17 19:29:38.852 INFO [stderr] 60 |     let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i])
Dec 17 19:29:38.852 INFO [stderr]    |                                                                        ^ help: consider using `_x` instead
Dec 17 19:29:38.852 INFO [stderr]    |
Dec 17 19:29:38.852 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:29:38.852 INFO [stderr] 
Dec 17 19:29:38.852 INFO [stderr] warning: unused variable: `i`
Dec 17 19:29:38.852 INFO [stderr]   --> src/solvers/mod.rs:61:28
Dec 17 19:29:38.852 INFO [stderr]    |
Dec 17 19:29:38.852 INFO [stderr] 61 |                     .map(|(i, x)| *x).collect();
Dec 17 19:29:38.852 INFO [stderr]    |                            ^ help: consider using `_i` instead
Dec 17 19:29:38.852 INFO [stderr] 
Dec 17 19:29:38.852 INFO [stderr] warning: unused variable: `pop_size`
Dec 17 19:29:38.852 INFO [stderr]  --> src/genetic/selectors.rs:7:9
Dec 17 19:29:38.852 INFO [stderr]   |
Dec 17 19:29:38.852 INFO [stderr] 7 |     let pop_size = population.len();
Dec 17 19:29:38.852 INFO [stderr]   |         ^^^^^^^^ help: consider using `_pop_size` instead
Dec 17 19:29:38.852 INFO [stderr] 
Dec 17 19:29:38.852 INFO [stderr] warning: unused variable: `generation`
Dec 17 19:29:38.852 INFO [stderr]   --> src/genetic/utils.rs:34:19
Dec 17 19:29:38.852 INFO [stderr]    |
Dec 17 19:29:38.852 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 19:29:38.852 INFO [stderr]    |                   ^^^^^^^^^^ help: consider using `_generation` instead
Dec 17 19:29:38.852 INFO [stderr] 
Dec 17 19:29:38.852 INFO [stderr] warning: unused variable: `elitism_count`
Dec 17 19:29:38.852 INFO [stderr]   --> src/genetic/mod.rs:16:9
Dec 17 19:29:38.852 INFO [stderr]    |
Dec 17 19:29:38.852 INFO [stderr] 16 |     let elitism_count = 2;
Dec 17 19:29:38.852 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_elitism_count` instead
Dec 17 19:29:38.852 INFO [stderr] 
Dec 17 19:29:38.852 INFO [stderr] warning: unused variable: `i`
Dec 17 19:29:38.852 INFO [stderr]   --> src/genetic/mod.rs:21:9
Dec 17 19:29:38.852 INFO [stderr]    |
Dec 17 19:29:38.852 INFO [stderr] 21 |     for i in 0..500 {
Dec 17 19:29:38.852 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 17 19:29:38.852 INFO [stderr] 
Dec 17 19:29:38.888 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:29:38.888 INFO [stderr]   --> src/reporter.rs:22:9
Dec 17 19:29:38.888 INFO [stderr]    |
Dec 17 19:29:38.888 INFO [stderr] 22 |     let mut stype = String::from(format!("{:?}", solution));
Dec 17 19:29:38.888 INFO [stderr]    |         ----^^^^^
Dec 17 19:29:38.888 INFO [stderr]    |         |
Dec 17 19:29:38.888 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:29:38.888 INFO [stderr]    |
Dec 17 19:29:38.888 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:29:38.888 INFO [stderr] 
Dec 17 19:29:38.888 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:29:38.888 INFO [stderr]   --> src/reporter.rs:22:9
Dec 17 19:29:38.888 INFO [stderr]    |
Dec 17 19:29:38.888 INFO [stderr] 22 |     let mut stype = String::from(format!("{:?}", solution));
Dec 17 19:29:38.888 INFO [stderr]    |         ----^^^^^
Dec 17 19:29:38.888 INFO [stderr]    |         |
Dec 17 19:29:38.888 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:29:38.888 INFO [stderr]    |
Dec 17 19:29:38.888 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:29:38.888 INFO [stderr] 
Dec 17 19:29:38.912 INFO [stderr] warning: variant is never constructed: `None`
Dec 17 19:29:38.912 INFO [stderr]   --> src/parser.rs:10:5
Dec 17 19:29:38.912 INFO [stderr]    |
Dec 17 19:29:38.912 INFO [stderr] 10 |     None,
Dec 17 19:29:38.912 INFO [stderr]    |     ^^^^
Dec 17 19:29:38.912 INFO [stderr]    |
Dec 17 19:29:38.912 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:29:38.912 INFO [stderr] 
Dec 17 19:29:38.912 INFO [stderr] warning: variant is never constructed: `FPTAS25`
Dec 17 19:29:38.912 INFO [stderr]   --> src/parser.rs:15:5
Dec 17 19:29:38.912 INFO [stderr]    |
Dec 17 19:29:38.912 INFO [stderr] 15 |     FPTAS25,
Dec 17 19:29:38.912 INFO [stderr]    |     ^^^^^^^
Dec 17 19:29:38.912 INFO [stderr] 
Dec 17 19:29:38.912 INFO [stderr] warning: variant is never constructed: `FPTAS75`
Dec 17 19:29:38.912 INFO [stderr]   --> src/parser.rs:17:5
Dec 17 19:29:38.912 INFO [stderr]    |
Dec 17 19:29:38.912 INFO [stderr] 17 |     FPTAS75,
Dec 17 19:29:38.912 INFO [stderr]    |     ^^^^^^^
Dec 17 19:29:38.912 INFO [stderr] 
Dec 17 19:29:38.912 INFO [stderr] warning: function is never used: `inspect`
Dec 17 19:29:38.912 INFO [stderr]   --> src/genetic/utils.rs:34:1
Dec 17 19:29:38.912 INFO [stderr]    |
Dec 17 19:29:38.912 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 19:29:38.912 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:29:38.912 INFO [stderr] 
Dec 17 19:29:38.936 INFO [stderr] warning: variant is never constructed: `None`
Dec 17 19:29:38.936 INFO [stderr]   --> src/parser.rs:10:5
Dec 17 19:29:38.936 INFO [stderr]    |
Dec 17 19:29:38.936 INFO [stderr] 10 |     None,
Dec 17 19:29:38.936 INFO [stderr]    |     ^^^^
Dec 17 19:29:38.936 INFO [stderr]    |
Dec 17 19:29:38.936 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:29:38.936 INFO [stderr] 
Dec 17 19:29:38.948 INFO [stderr] warning: variant is never constructed: `FPTAS25`
Dec 17 19:29:38.948 INFO [stderr]   --> src/parser.rs:15:5
Dec 17 19:29:38.948 INFO [stderr]    |
Dec 17 19:29:38.948 INFO [stderr] 15 |     FPTAS25,
Dec 17 19:29:38.948 INFO [stderr]    |     ^^^^^^^
Dec 17 19:29:38.948 INFO [stderr] 
Dec 17 19:29:38.948 INFO [stderr] warning: variant is never constructed: `FPTAS75`
Dec 17 19:29:38.948 INFO [stderr]   --> src/parser.rs:17:5
Dec 17 19:29:38.948 INFO [stderr]    |
Dec 17 19:29:38.948 INFO [stderr] 17 |     FPTAS75,
Dec 17 19:29:38.948 INFO [stderr]    |     ^^^^^^^
Dec 17 19:29:38.948 INFO [stderr] 
Dec 17 19:29:38.948 INFO [stderr] warning: function is never used: `inspect`
Dec 17 19:29:38.948 INFO [stderr]   --> src/genetic/utils.rs:34:1
Dec 17 19:29:38.948 INFO [stderr]    |
Dec 17 19:29:38.948 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 19:29:38.948 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:29:38.948 INFO [stderr] 
Dec 17 19:29:38.976 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
Dec 17 19:29:39.806 INFO running `"docker" "inspect" "cb69440ca8004b79ddd6c66d6601326859cc9c9509bbe28bd08e4c2d76e465ef"`
Dec 17 19:29:40.084 INFO running `"docker" "rm" "-f" "cb69440ca8004b79ddd6c66d6601326859cc9c9509bbe28bd08e4c2d76e465ef"`
Dec 17 19:29:40.454 INFO [stdout] cb69440ca8004b79ddd6c66d6601326859cc9c9509bbe28bd08e4c2d76e465ef