[INFO] updating cached repository mmajko/knapsack-problem [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mmajko/knapsack-problem [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mmajko/knapsack-problem" "work/ex/beta-1.38-1/sources/1.37.0/gh/mmajko/knapsack-problem"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mmajko/knapsack-problem'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mmajko/knapsack-problem" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmajko/knapsack-problem"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmajko/knapsack-problem'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 11cdd693800848f8d688ce82a5444f0e12f56b04 [INFO] sha for GitHub repo mmajko/knapsack-problem: 11cdd693800848f8d688ce82a5444f0e12f56b04 [INFO] validating manifest of mmajko/knapsack-problem on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mmajko/knapsack-problem on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mmajko/knapsack-problem [INFO] finished frobbing mmajko/knapsack-problem [INFO] frobbed toml for mmajko/knapsack-problem written to work/ex/beta-1.38-1/sources/1.37.0/gh/mmajko/knapsack-problem/Cargo.toml [INFO] started frobbing mmajko/knapsack-problem [INFO] finished frobbing mmajko/knapsack-problem [INFO] frobbed toml for mmajko/knapsack-problem written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmajko/knapsack-problem/Cargo.toml [INFO] crate mmajko/knapsack-problem already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mmajko/knapsack-problem against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 0495ee1a23baa9d2c5e0d86f09f5a506fb0e46d2220bbac71c4b3c768aa9c0cb [INFO] running `"docker" "start" "-a" "0495ee1a23baa9d2c5e0d86f09f5a506fb0e46d2220bbac71c4b3c768aa9c0cb"` [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Compiling knapsack-problem v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `solvers::recursive` [INFO] [stderr] --> src/solvers/dynamic.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use solvers::recursive; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `KnapItem`, `sum_of_prices` [INFO] [stderr] --> src/solvers/recursive.rs:1:14 [INFO] [stderr] | [INFO] [stderr] 1 | use parser::{sum_of_prices, Knapsack, KnapItem}; [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `inspect` [INFO] [stderr] --> src/genetic/mod.rs:6:48 [INFO] [stderr] | [INFO] [stderr] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/solvers/mod.rs:60:72 [INFO] [stderr] | [INFO] [stderr] 60 | let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i]) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/solvers/mod.rs:61:28 [INFO] [stderr] | [INFO] [stderr] 61 | .map(|(i, x)| *x).collect(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `elitism_count` [INFO] [stderr] --> src/genetic/mod.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let elitism_count = 2; [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_elitism_count` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/genetic/mod.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | for i in 0..500 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pop_size` [INFO] [stderr] --> src/genetic/selectors.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let pop_size = population.len(); [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_pop_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `generation` [INFO] [stderr] --> src/genetic/utils.rs:34:19 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn inspect(generation: usize, sorted_population: &Vec>, fitness_fn: &F) where F: Fn(&Vec) -> usize { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_generation` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/reporter.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut stype = String::from(format!("{:?}", solution)); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `None` [INFO] [stderr] --> src/parser.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | None, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FPTAS25` [INFO] [stderr] --> src/parser.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | FPTAS25, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FPTAS75` [INFO] [stderr] --> src/parser.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | FPTAS75, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `inspect` [INFO] [stderr] --> src/genetic/utils.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn inspect(generation: usize, sorted_population: &Vec>, fitness_fn: &F) where F: Fn(&Vec) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.68s [INFO] running `"docker" "inspect" "0495ee1a23baa9d2c5e0d86f09f5a506fb0e46d2220bbac71c4b3c768aa9c0cb"` [INFO] running `"docker" "rm" "-f" "0495ee1a23baa9d2c5e0d86f09f5a506fb0e46d2220bbac71c4b3c768aa9c0cb"` [INFO] [stdout] 0495ee1a23baa9d2c5e0d86f09f5a506fb0e46d2220bbac71c4b3c768aa9c0cb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] c2be6e3a5726e7a69265caae8a343804849e377f69b03a54f758c255d41f8b85 [INFO] running `"docker" "start" "-a" "c2be6e3a5726e7a69265caae8a343804849e377f69b03a54f758c255d41f8b85"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling knapsack-problem v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `solvers::recursive` [INFO] [stderr] --> src/solvers/dynamic.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use solvers::recursive; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `KnapItem`, `sum_of_prices` [INFO] [stderr] --> src/solvers/recursive.rs:1:14 [INFO] [stderr] | [INFO] [stderr] 1 | use parser::{sum_of_prices, Knapsack, KnapItem}; [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `inspect` [INFO] [stderr] --> src/genetic/mod.rs:6:48 [INFO] [stderr] | [INFO] [stderr] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/solvers/mod.rs:60:72 [INFO] [stderr] | [INFO] [stderr] 60 | let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i]) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/solvers/mod.rs:61:28 [INFO] [stderr] | [INFO] [stderr] 61 | .map(|(i, x)| *x).collect(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `elitism_count` [INFO] [stderr] --> src/genetic/mod.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let elitism_count = 2; [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_elitism_count` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/genetic/mod.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | for i in 0..500 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pop_size` [INFO] [stderr] --> src/genetic/selectors.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let pop_size = population.len(); [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_pop_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `generation` [INFO] [stderr] --> src/genetic/utils.rs:34:19 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn inspect(generation: usize, sorted_population: &Vec>, fitness_fn: &F) where F: Fn(&Vec) -> usize { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_generation` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/reporter.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut stype = String::from(format!("{:?}", solution)); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `None` [INFO] [stderr] --> src/parser.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | None, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FPTAS25` [INFO] [stderr] --> src/parser.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | FPTAS25, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FPTAS75` [INFO] [stderr] --> src/parser.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | FPTAS75, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `inspect` [INFO] [stderr] --> src/genetic/utils.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn inspect(generation: usize, sorted_population: &Vec>, fitness_fn: &F) where F: Fn(&Vec) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `"docker" "inspect" "c2be6e3a5726e7a69265caae8a343804849e377f69b03a54f758c255d41f8b85"` [INFO] running `"docker" "rm" "-f" "c2be6e3a5726e7a69265caae8a343804849e377f69b03a54f758c255d41f8b85"` [INFO] [stdout] c2be6e3a5726e7a69265caae8a343804849e377f69b03a54f758c255d41f8b85 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 395dc98a5359b6482174062ce455a143cb7bf1c180056f17f375ffcb92dd10f7 [INFO] running `"docker" "start" "-a" "395dc98a5359b6482174062ce455a143cb7bf1c180056f17f375ffcb92dd10f7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/knapsack_problem-51855aed66c084f5 [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" "395dc98a5359b6482174062ce455a143cb7bf1c180056f17f375ffcb92dd10f7"` [INFO] running `"docker" "rm" "-f" "395dc98a5359b6482174062ce455a143cb7bf1c180056f17f375ffcb92dd10f7"` [INFO] [stdout] 395dc98a5359b6482174062ce455a143cb7bf1c180056f17f375ffcb92dd10f7