[INFO] updating cached repository GregoireLoens/GeneticAlgorithm [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/GregoireLoens/GeneticAlgorithm [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/GregoireLoens/GeneticAlgorithm" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/GregoireLoens/GeneticAlgorithm"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/GregoireLoens/GeneticAlgorithm'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/GregoireLoens/GeneticAlgorithm" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/GregoireLoens/GeneticAlgorithm"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/GregoireLoens/GeneticAlgorithm'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7b26d886e591820ecdacd0898ab9d3b308aabeef [INFO] sha for GitHub repo GregoireLoens/GeneticAlgorithm: 7b26d886e591820ecdacd0898ab9d3b308aabeef [INFO] validating manifest of GregoireLoens/GeneticAlgorithm on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of GregoireLoens/GeneticAlgorithm on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing GregoireLoens/GeneticAlgorithm [INFO] finished frobbing GregoireLoens/GeneticAlgorithm [INFO] frobbed toml for GregoireLoens/GeneticAlgorithm written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/GregoireLoens/GeneticAlgorithm/Cargo.toml [INFO] started frobbing GregoireLoens/GeneticAlgorithm [INFO] finished frobbing GregoireLoens/GeneticAlgorithm [INFO] frobbed toml for GregoireLoens/GeneticAlgorithm written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/GregoireLoens/GeneticAlgorithm/Cargo.toml [INFO] crate GregoireLoens/GeneticAlgorithm already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking GregoireLoens/GeneticAlgorithm against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/GregoireLoens/GeneticAlgorithm:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1f17e27556f9af1a6b0dfe098715f2b02947343df1864cb417617417cd43a24f [INFO] running `"docker" "start" "-a" "1f17e27556f9af1a6b0dfe098715f2b02947343df1864cb417617417cd43a24f"` [INFO] [stderr] Checking tramp v0.3.0 [INFO] [stderr] Checking GeneticAlgorithm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | for i in 0..parent.pop.len() / 2 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `best_child` is never read [INFO] [stderr] --> src/main.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | let mut best_child = problem::data::IndiData::new(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `it` [INFO] [stderr] --> src/main.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | for it in 0..problem::data::MAXIT { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_it` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_data` [INFO] [stderr] --> src/main.rs:52:37 [INFO] [stderr] | [INFO] [stderr] 52 | let (mut new_parent,mut new_data, clone_tx) [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_new_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/problem/selection.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | for i in 0..nb_turn { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `win1` [INFO] [stderr] --> src/problem/selection.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let win1: usize; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_win1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `win2` [INFO] [stderr] --> src/problem/selection.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let win2: usize; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_win2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/problem/selection.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | for i in 0..t_size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/problem/crossover.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | for i in 0..k { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/problem/mutation.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let mut index: usize; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:52:33 [INFO] [stderr] | [INFO] [stderr] 52 | let (mut new_parent,mut new_data, clone_tx) [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: crate `GeneticAlgorithm` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `genetic_algorithm` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:56:17 [INFO] [stderr] | [INFO] [stderr] 56 | clone_tx.send(generate_child(&mut new_parent, &mut new_data)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | for i in 0..parent.pop.len() / 2 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `best_child` is never read [INFO] [stderr] --> src/main.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | let mut best_child = problem::data::IndiData::new(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `it` [INFO] [stderr] --> src/main.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | for it in 0..problem::data::MAXIT { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_it` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_data` [INFO] [stderr] --> src/main.rs:52:37 [INFO] [stderr] | [INFO] [stderr] 52 | let (mut new_parent,mut new_data, clone_tx) [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_new_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/problem/selection.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | for i in 0..nb_turn { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `win1` [INFO] [stderr] --> src/problem/selection.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let win1: usize; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_win1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `win2` [INFO] [stderr] --> src/problem/selection.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let win2: usize; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_win2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/problem/selection.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | for i in 0..t_size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/problem/crossover.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | for i in 0..k { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/problem/mutation.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let mut index: usize; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:52:33 [INFO] [stderr] | [INFO] [stderr] 52 | let (mut new_parent,mut new_data, clone_tx) [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: crate `GeneticAlgorithm` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `genetic_algorithm` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:56:17 [INFO] [stderr] | [INFO] [stderr] 56 | clone_tx.send(generate_child(&mut new_parent, &mut new_data)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.89s [INFO] running `"docker" "inspect" "1f17e27556f9af1a6b0dfe098715f2b02947343df1864cb417617417cd43a24f"` [INFO] running `"docker" "rm" "-f" "1f17e27556f9af1a6b0dfe098715f2b02947343df1864cb417617417cd43a24f"` [INFO] [stdout] 1f17e27556f9af1a6b0dfe098715f2b02947343df1864cb417617417cd43a24f