[INFO] cloning repository https://github.com/Vanille-N/Sudoku-Solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vanille-N/Sudoku-Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanille-N%2FSudoku-Solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanille-N%2FSudoku-Solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93d9a42eff507d4bece8ed51e8f69f4af481f1cd
[INFO] checking Vanille-N/Sudoku-Solver against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanille-N%2FSudoku-Solver" "/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/Vanille-N/Sudoku-Solver on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vanille-N/Sudoku-Solver
[INFO] finished tweaking git repo https://github.com/Vanille-N/Sudoku-Solver
[INFO] tweaked toml for git repo https://github.com/Vanille-N/Sudoku-Solver written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95a73fdf4e320119093aba8912514ca9d288da4ea2c03fb24ef7d9908cb898fa
[INFO] running `Command { std: "docker" "start" "-a" "95a73fdf4e320119093aba8912514ca9d288da4ea2c03fb24ef7d9908cb898fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a73fdf4e320119093aba8912514ca9d288da4ea2c03fb24ef7d9908cb898fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a73fdf4e320119093aba8912514ca9d288da4ea2c03fb24ef7d9908cb898fa", kill_on_drop: false }`
[INFO] [stdout] 95a73fdf4e320119093aba8912514ca9d288da4ea2c03fb24ef7d9908cb898fa
[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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1225e0f73bc85f93f3ca34ee2948c51c33081f4d54aedd2c1003b9cda1f7d15
[INFO] running `Command { std: "docker" "start" "-a" "e1225e0f73bc85f93f3ca34ee2948c51c33081f4d54aedd2c1003b9cda1f7d15", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking sudoku_solver v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: function is never used: `main_sequential`
[INFO] [stdout]    --> src/main.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn main_sequential() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_vec`
[INFO] [stdout]    --> src/main.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn main_vec() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_scoped_pool`
[INFO] [stdout]    --> src/main.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn main_scoped_pool() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_scoped_split`
[INFO] [stdout]    --> src/main.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 | fn main_scoped_split() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_sequential`
[INFO] [stdout]    --> src/main.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn main_sequential() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_vec`
[INFO] [stdout]    --> src/main.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn main_vec() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_scoped_pool`
[INFO] [stdout]    --> src/main.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn main_scoped_pool() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_scoped_split`
[INFO] [stdout]    --> src/main.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 | fn main_scoped_split() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking sudoku_solver v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `main_sequential`
[INFO] [stdout]    --> src/main.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn main_sequential() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_vec`
[INFO] [stdout]    --> src/main.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn main_vec() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_scoped_pool`
[INFO] [stdout]    --> src/main.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn main_scoped_pool() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_scoped_split`
[INFO] [stdout]    --> src/main.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 | fn main_scoped_split() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_sequential`
[INFO] [stdout]    --> src/main.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn main_sequential() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_vec`
[INFO] [stdout]    --> src/main.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn main_vec() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_scoped_pool`
[INFO] [stdout]    --> src/main.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn main_scoped_pool() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_scoped_split`
[INFO] [stdout]    --> src/main.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 | fn main_scoped_split() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1225e0f73bc85f93f3ca34ee2948c51c33081f4d54aedd2c1003b9cda1f7d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1225e0f73bc85f93f3ca34ee2948c51c33081f4d54aedd2c1003b9cda1f7d15", kill_on_drop: false }`
[INFO] [stdout] e1225e0f73bc85f93f3ca34ee2948c51c33081f4d54aedd2c1003b9cda1f7d15