[INFO] cloning repository https://github.com/mmajko/knapsack-problem [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmajko/knapsack-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmajko%2Fknapsack-problem", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmajko%2Fknapsack-problem'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11cdd693800848f8d688ce82a5444f0e12f56b04 [INFO] checking mmajko/knapsack-problem against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmajko%2Fknapsack-problem" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mmajko/knapsack-problem on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mmajko/knapsack-problem [INFO] finished tweaking git repo https://github.com/mmajko/knapsack-problem [INFO] tweaked toml for git repo https://github.com/mmajko/knapsack-problem written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/mmajko/knapsack-problem already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 430dc2fb82f4828c92626729ccfa709371621c0fc27d07e9bf5d97cc74b7443a [INFO] running `Command { std: "docker" "start" "-a" "430dc2fb82f4828c92626729ccfa709371621c0fc27d07e9bf5d97cc74b7443a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "430dc2fb82f4828c92626729ccfa709371621c0fc27d07e9bf5d97cc74b7443a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "430dc2fb82f4828c92626729ccfa709371621c0fc27d07e9bf5d97cc74b7443a", kill_on_drop: false }` [INFO] [stdout] 430dc2fb82f4828c92626729ccfa709371621c0fc27d07e9bf5d97cc74b7443a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f24730d6fdc3891b7c486670c4673b76c85fdcb288fca8828a67a6d4b0acd506 [INFO] running `Command { std: "docker" "start" "-a" "f24730d6fdc3891b7c486670c4673b76c85fdcb288fca8828a67a6d4b0acd506", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.32 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking rand v0.3.18 [INFO] [stderr] Checking knapsack-problem v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `solvers::recursive` [INFO] [stdout] --> src/solvers/dynamic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use solvers::recursive; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `KnapItem`, `sum_of_prices` [INFO] [stdout] --> src/solvers/recursive.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | use parser::{sum_of_prices, Knapsack, KnapItem}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `inspect` [INFO] [stdout] --> src/genetic/mod.rs:6:48 [INFO] [stdout] | [INFO] [stdout] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `solvers::recursive` [INFO] [stdout] --> src/solvers/dynamic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use solvers::recursive; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `KnapItem`, `sum_of_prices` [INFO] [stdout] --> src/solvers/recursive.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | use parser::{sum_of_prices, Knapsack, KnapItem}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `inspect` [INFO] [stdout] --> src/genetic/mod.rs:6:48 [INFO] [stdout] | [INFO] [stdout] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/solvers/mod.rs:60:72 [INFO] [stdout] | [INFO] [stdout] 60 | let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i]) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/solvers/mod.rs:61:28 [INFO] [stdout] | [INFO] [stdout] 61 | .map(|(i, x)| *x).collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elitism_count` [INFO] [stdout] --> src/genetic/mod.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let elitism_count = 2; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elitism_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/genetic/mod.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | for i in 0..500 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pop_size` [INFO] [stdout] --> src/genetic/selectors.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let pop_size = population.len(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pop_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generation` [INFO] [stdout] --> src/genetic/utils.rs:34:19 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn inspect(generation: usize, sorted_population: &Vec>, fitness_fn: &F) where F: Fn(&Vec) -> usize { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generation` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/reporter.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut stype = String::from(format!("{:?}", solution)); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `None` [INFO] [stdout] --> src/parser.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/solvers/mod.rs:60:72 [INFO] [stdout] | [INFO] [stdout] 60 | let new_items = knap.items.clone().iter().enumerate().filter(|&(i, x)| bits[i]) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FPTAS25` [INFO] [stdout] --> src/parser.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | FPTAS25, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/solvers/mod.rs:61:28 [INFO] [stdout] | [INFO] [stdout] 61 | .map(|(i, x)| *x).collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FPTAS75` [INFO] [stdout] --> src/parser.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | FPTAS75, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elitism_count` [INFO] [stdout] --> src/genetic/mod.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let elitism_count = 2; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elitism_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `inspect` [INFO] [stdout] --> src/genetic/utils.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn inspect(generation: usize, sorted_population: &Vec>, fitness_fn: &F) where F: Fn(&Vec) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/genetic/mod.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | for i in 0..500 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pop_size` [INFO] [stdout] --> src/genetic/selectors.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let pop_size = population.len(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pop_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generation` [INFO] [stdout] --> src/genetic/utils.rs:34:19 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn inspect(generation: usize, sorted_population: &Vec>, fitness_fn: &F) where F: Fn(&Vec) -> usize { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generation` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/reporter.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut stype = String::from(format!("{:?}", solution)); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `None` [INFO] [stdout] --> src/parser.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FPTAS25` [INFO] [stdout] --> src/parser.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | FPTAS25, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FPTAS75` [INFO] [stdout] --> src/parser.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | FPTAS75, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `inspect` [INFO] [stdout] --> src/genetic/utils.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn inspect(generation: usize, sorted_population: &Vec>, fitness_fn: &F) where F: Fn(&Vec) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.27s [INFO] running `Command { std: "docker" "inspect" "f24730d6fdc3891b7c486670c4673b76c85fdcb288fca8828a67a6d4b0acd506", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f24730d6fdc3891b7c486670c4673b76c85fdcb288fca8828a67a6d4b0acd506", kill_on_drop: false }` [INFO] [stdout] f24730d6fdc3891b7c486670c4673b76c85fdcb288fca8828a67a6d4b0acd506