[INFO] cloning repository https://github.com/LogFlames/book-shake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LogFlames/book-shake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogFlames%2Fbook-shake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogFlames%2Fbook-shake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b9da2eb3b36e1e39ae3b76a5bf22ca0b0fa7be3f [INFO] checking LogFlames/book-shake against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogFlames%2Fbook-shake" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LogFlames/book-shake on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LogFlames/book-shake [INFO] finished tweaking git repo https://github.com/LogFlames/book-shake [INFO] tweaked toml for git repo https://github.com/LogFlames/book-shake written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LogFlames/book-shake already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f58ac408d3c2a5226117786191f05b86a74136a37b05bc79e8b9872602979c4 [INFO] running `Command { std: "docker" "start" "-a" "0f58ac408d3c2a5226117786191f05b86a74136a37b05bc79e8b9872602979c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f58ac408d3c2a5226117786191f05b86a74136a37b05bc79e8b9872602979c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f58ac408d3c2a5226117786191f05b86a74136a37b05bc79e8b9872602979c4", kill_on_drop: false }` [INFO] [stdout] 0f58ac408d3c2a5226117786191f05b86a74136a37b05bc79e8b9872602979c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a277f77c198aec52b870da4ea2b73ca8914f776c67391a97881dc1a0e167599a [INFO] running `Command { std: "docker" "start" "-a" "a277f77c198aec52b870da4ea2b73ca8914f776c67391a97881dc1a0e167599a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking book-shake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::todo` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::todo; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::todo` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::todo; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `person_count` [INFO] [stdout] --> src/main.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `books` [INFO] [stdout] --> src/main.rs:63:46 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_books` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pool_size` [INFO] [stdout] --> src/main.rs:63:70 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut pool: Vec = vec![BookAssignment::new(vec![0, 1, 2, 3]), BookAssignment::new(vec![3, 0, 1, 2])]; [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: unused variable: `person_count` [INFO] [stdout] --> src/main.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `books` [INFO] [stdout] --> src/main.rs:63:46 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_books` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pool_size` [INFO] [stdout] --> src/main.rs:63:70 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book_distance` [INFO] [stdout] --> src/main.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book_distance` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut pool: Vec = vec![BookAssignment::new(vec![0, 1, 2, 3]), BookAssignment::new(vec![3, 0, 1, 2])]; [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: unused variable: `book_distance` [INFO] [stdout] --> src/main.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book_distance` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s [INFO] running `Command { std: "docker" "inspect" "a277f77c198aec52b870da4ea2b73ca8914f776c67391a97881dc1a0e167599a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a277f77c198aec52b870da4ea2b73ca8914f776c67391a97881dc1a0e167599a", kill_on_drop: false }` [INFO] [stdout] a277f77c198aec52b870da4ea2b73ca8914f776c67391a97881dc1a0e167599a [INFO] checking LogFlames/book-shake against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogFlames%2Fbook-shake" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LogFlames/book-shake on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LogFlames/book-shake [INFO] finished tweaking git repo https://github.com/LogFlames/book-shake [INFO] tweaked toml for git repo https://github.com/LogFlames/book-shake written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LogFlames/book-shake already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cfadd728d7d38ad11f411f64941e63a8b0f73bf48fa8fde9060f0401cdf86037 [INFO] running `Command { std: "docker" "start" "-a" "cfadd728d7d38ad11f411f64941e63a8b0f73bf48fa8fde9060f0401cdf86037", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cfadd728d7d38ad11f411f64941e63a8b0f73bf48fa8fde9060f0401cdf86037", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfadd728d7d38ad11f411f64941e63a8b0f73bf48fa8fde9060f0401cdf86037", kill_on_drop: false }` [INFO] [stdout] cfadd728d7d38ad11f411f64941e63a8b0f73bf48fa8fde9060f0401cdf86037 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53bfedb1b3532f214da3610be01beab1d197a0344426c514c53558485cd6d905 [INFO] running `Command { std: "docker" "start" "-a" "53bfedb1b3532f214da3610be01beab1d197a0344426c514c53558485cd6d905", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking book-shake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::todo` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::todo; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::todo` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::todo; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `person_count` [INFO] [stdout] --> src/main.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `books` [INFO] [stdout] --> src/main.rs:63:46 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_books` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pool_size` [INFO] [stdout] --> src/main.rs:63:70 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut pool: Vec = vec![BookAssignment::new(vec![0, 1, 2, 3]), BookAssignment::new(vec![3, 0, 1, 2])]; [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: unused variable: `book_distance` [INFO] [stdout] --> src/main.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book_distance` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `person_count` [INFO] [stdout] --> src/main.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `books` [INFO] [stdout] --> src/main.rs:63:46 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_books` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pool_size` [INFO] [stdout] --> src/main.rs:63:70 [INFO] [stdout] | [INFO] [stdout] 63 | fn generate_random_pool(person_count: usize, books: Vec<(u32, u32)>, pool_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut pool: Vec = vec![BookAssignment::new(vec![0, 1, 2, 3]), BookAssignment::new(vec![3, 0, 1, 2])]; [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `book_distance` [INFO] [stdout] --> src/main.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_book_distance` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut book_distance: Vec = Vec::with_capacity(book_assignment.assignments.len()); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s [INFO] running `Command { std: "docker" "inspect" "53bfedb1b3532f214da3610be01beab1d197a0344426c514c53558485cd6d905", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53bfedb1b3532f214da3610be01beab1d197a0344426c514c53558485cd6d905", kill_on_drop: false }` [INFO] [stdout] 53bfedb1b3532f214da3610be01beab1d197a0344426c514c53558485cd6d905