[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#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogFlames%2Fbook-shake" "/workspace/builds/worker-90/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LogFlames/book-shake on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-90/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: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c6d74038170ecdd8eb3e04160fd1c6520bacb29f03197176068ac392baa62bd [INFO] running `Command { std: "docker" "start" "-a" "4c6d74038170ecdd8eb3e04160fd1c6520bacb29f03197176068ac392baa62bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c6d74038170ecdd8eb3e04160fd1c6520bacb29f03197176068ac392baa62bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c6d74038170ecdd8eb3e04160fd1c6520bacb29f03197176068ac392baa62bd", kill_on_drop: false }` [INFO] [stdout] 4c6d74038170ecdd8eb3e04160fd1c6520bacb29f03197176068ac392baa62bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9ef75d65e834ebaab789c47773ca4f88d117cd2deb26c0f6599eb207929c14c [INFO] running `Command { std: "docker" "start" "-a" "f9ef75d65e834ebaab789c47773ca4f88d117cd2deb26c0f6599eb207929c14c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [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: `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: `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: `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: 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: 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: 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 [unoptimized + debuginfo] target(s) in 7.09s [INFO] running `Command { std: "docker" "inspect" "f9ef75d65e834ebaab789c47773ca4f88d117cd2deb26c0f6599eb207929c14c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9ef75d65e834ebaab789c47773ca4f88d117cd2deb26c0f6599eb207929c14c", kill_on_drop: false }` [INFO] [stdout] f9ef75d65e834ebaab789c47773ca4f88d117cd2deb26c0f6599eb207929c14c