[INFO] updating cached repository duvholt/rust-metaheuristic-framework [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/duvholt/rust-metaheuristic-framework [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/duvholt/rust-metaheuristic-framework" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/duvholt/rust-metaheuristic-framework"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/duvholt/rust-metaheuristic-framework'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/duvholt/rust-metaheuristic-framework" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/duvholt/rust-metaheuristic-framework"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/duvholt/rust-metaheuristic-framework'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 11c125e2a2840aed9b61b2f40b7bc406ec9970f2 [INFO] sha for GitHub repo duvholt/rust-metaheuristic-framework: 11c125e2a2840aed9b61b2f40b7bc406ec9970f2 [INFO] validating manifest of duvholt/rust-metaheuristic-framework on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of duvholt/rust-metaheuristic-framework on toolchain try#f45cc3094ee337acd688771b9234318046b0572d [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing duvholt/rust-metaheuristic-framework [INFO] finished frobbing duvholt/rust-metaheuristic-framework [INFO] frobbed toml for duvholt/rust-metaheuristic-framework written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/duvholt/rust-metaheuristic-framework/Cargo.toml [INFO] started frobbing duvholt/rust-metaheuristic-framework [INFO] finished frobbing duvholt/rust-metaheuristic-framework [INFO] frobbed toml for duvholt/rust-metaheuristic-framework written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/duvholt/rust-metaheuristic-framework/Cargo.toml [INFO] crate duvholt/rust-metaheuristic-framework already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking duvholt/rust-metaheuristic-framework against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/duvholt/rust-metaheuristic-framework:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6bb965938428cf1fdf43e21b4f0fdcd32aa1e211c8d5add5438046528208ee64 [INFO] running `"docker" "start" "-a" "6bb965938428cf1fdf43e21b4f0fdcd32aa1e211c8d5add5438046528208ee64"` [INFO] [stderr] Checking assert_approx_eq v1.0.0 [INFO] [stderr] Checking serde_json v1.0.14 [INFO] [stderr] Checking statistical v0.1.1 [INFO] [stderr] Checking rustoa v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: the item `serde_json` is imported redundantly [INFO] [stderr] --> src/testing/utils.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | extern crate serde_json; [INFO] [stderr] | ------------------------ the item `serde_json` is already imported here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/amo.rs:91:21 [INFO] [stderr] | [INFO] [stderr] 91 | let mut index_offset = [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: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/archive_amo.rs:126:21 [INFO] [stderr] | [INFO] [stderr] 126 | let mut index_offset = [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/ewa.rs:268:17 [INFO] [stderr] | [INFO] [stderr] 268 | let mut new_worm = worms.combine_worms(&offspring1, &offspring2, iteration); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/loa.rs:297:23 [INFO] [stderr] | [INFO] [stderr] 297 | for (pride_index, mut lions) in pride_lions.chunks(pride_size).into_iter().enumerate() { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/loa.rs:997:14 [INFO] [stderr] | [INFO] [stderr] 997 | let (mut males, mut females) = partition_on_sex(nomad.population.into_iter().collect()); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/loa.rs:997:25 [INFO] [stderr] | [INFO] [stderr] 997 | let (mut males, mut females) = partition_on_sex(nomad.population.into_iter().collect()); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/moamo.rs:125:21 [INFO] [stderr] | [INFO] [stderr] 125 | let mut index_offset = [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/nsamo.rs:100:21 [INFO] [stderr] | [INFO] [stderr] 100 | let mut index_offset = [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/statistics/sampler.rs:109:21 [INFO] [stderr] | [INFO] [stderr] 109 | let mut solutions = samples [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/amo.rs:91:21 [INFO] [stderr] | [INFO] [stderr] 91 | let mut index_offset = [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: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/archive_amo.rs:126:21 [INFO] [stderr] | [INFO] [stderr] 126 | let mut index_offset = [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/ewa.rs:268:17 [INFO] [stderr] | [INFO] [stderr] 268 | let mut new_worm = worms.combine_worms(&offspring1, &offspring2, iteration); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/loa.rs:297:23 [INFO] [stderr] | [INFO] [stderr] 297 | for (pride_index, mut lions) in pride_lions.chunks(pride_size).into_iter().enumerate() { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/loa.rs:997:14 [INFO] [stderr] | [INFO] [stderr] 997 | let (mut males, mut females) = partition_on_sex(nomad.population.into_iter().collect()); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/loa.rs:997:25 [INFO] [stderr] | [INFO] [stderr] 997 | let (mut males, mut females) = partition_on_sex(nomad.population.into_iter().collect()); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/moamo.rs:125:21 [INFO] [stderr] | [INFO] [stderr] 125 | let mut index_offset = [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithms/nsamo.rs:100:21 [INFO] [stderr] | [INFO] [stderr] 100 | let mut index_offset = [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/statistics/sampler.rs:109:21 [INFO] [stderr] | [INFO] [stderr] 109 | let mut solutions = samples [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.82s [INFO] running `"docker" "inspect" "6bb965938428cf1fdf43e21b4f0fdcd32aa1e211c8d5add5438046528208ee64"` [INFO] running `"docker" "rm" "-f" "6bb965938428cf1fdf43e21b4f0fdcd32aa1e211c8d5add5438046528208ee64"` [INFO] [stdout] 6bb965938428cf1fdf43e21b4f0fdcd32aa1e211c8d5add5438046528208ee64