[INFO] cloning repository https://github.com/Sociosarbis/rust-boilerplate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sociosarbis/rust-boilerplate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSociosarbis%2Frust-boilerplate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSociosarbis%2Frust-boilerplate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2116e9de68ad7a404bbb1b729906233fbf578438
[INFO] checking Sociosarbis/rust-boilerplate against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSociosarbis%2Frust-boilerplate" "/workspace/builds/worker-113/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sociosarbis/rust-boilerplate 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/Sociosarbis/rust-boilerplate
[INFO] finished tweaking git repo https://github.com/Sociosarbis/rust-boilerplate
[INFO] tweaked toml for git repo https://github.com/Sociosarbis/rust-boilerplate written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate git repo https://github.com/Sociosarbis/rust-boilerplate 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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 0ea86400897471ee6aa66c79bd5944b0edc30c23bfb437b97f9e2c0c1571f9a2
[INFO] running `Command { std: "docker" "start" "-a" "0ea86400897471ee6aa66c79bd5944b0edc30c23bfb437b97f9e2c0c1571f9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ea86400897471ee6aa66c79bd5944b0edc30c23bfb437b97f9e2c0c1571f9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea86400897471ee6aa66c79bd5944b0edc30c23bfb437b97f9e2c0c1571f9a2", kill_on_drop: false }`
[INFO] [stdout] 0ea86400897471ee6aa66c79bd5944b0edc30c23bfb437b97f9e2c0c1571f9a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 323f22c97c987476f06e98947dd666bc95dfb904599b78d8bfbf0d37ed72a4c1
[INFO] running `Command { std: "docker" "start" "-a" "323f22c97c987476f06e98947dd666bc95dfb904599b78d8bfbf0d37ed72a4c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]     Checking solution v0.1.0 (/opt/rustwide/workdir/solution)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking part_2 v0.1.0 (/opt/rustwide/workdir/part_2)
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> part_2/src/find_min_steps.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |               for j in 0..temp_count {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arr`
[INFO] [stdout]  --> part_2/src/median_finder.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   arr: Vec<i32>
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> part_2/src/median_finder.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_num`
[INFO] [stdout]   --> part_2/src/median_finder.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn add_num(&mut self, num: i32) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_median`
[INFO] [stdout]   --> part_2/src/median_finder.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn find_median(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MedianFinderBest`
[INFO] [stdout]   --> part_2/src/median_finder.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct MedianFinderBest {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> part_2/src/median_finder.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_num`
[INFO] [stdout]   --> part_2/src/median_finder.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn add_num(&mut self, num: i32) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_median`
[INFO] [stdout]   --> part_2/src/median_finder.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn find_median(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SolutionPickIndex`
[INFO] [stdout]  --> part_2/src/pick_index.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct SolutionPickIndex {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> part_2/src/pick_index.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |   fn new(w: Vec<i32>) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pick_index`
[INFO] [stdout]   --> part_2/src/pick_index.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn pick_index(&mut self) -> i32 {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> part_2/src/get_kth_from_end.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> part_2/src/split_list_to_parts.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SummaryRanges`
[INFO] [stdout]  --> part_2/src/summary_ranges.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct SummaryRanges {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> part_2/src/summary_ranges.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_num`
[INFO] [stdout]   --> part_2/src/summary_ranges.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn add_num(&mut self, val: i32) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_intervals`
[INFO] [stdout]   --> part_2/src/summary_ranges.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get_intervals(&self) -> Vec<Vec<i32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Entry`
[INFO] [stdout]  --> part_2/src/word_dictionary.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Entry {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WordDictionary`
[INFO] [stdout]  --> part_2/src/word_dictionary.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct WordDictionary (Entry);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> part_2/src/word_dictionary.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_word`
[INFO] [stdout]   --> part_2/src/word_dictionary.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn add_word(&mut self, word: String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> part_2/src/word_dictionary.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn search(&self, word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search_dfs`
[INFO] [stdout]   --> part_2/src/word_dictionary.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn search_dfs(&self, entry: &Entry, chars: &Vec<char>, index: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> part_2/src/shuffle.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> part_2/src/shuffle.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> part_2/src/shuffle.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn reset(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle`
[INFO] [stdout]   --> part_2/src/shuffle.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn shuffle(&mut self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stdout] warning: field is never read: `length`
[INFO] [stdout]   --> macros/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     length: Literal
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rust-boilerplate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `TimeMap`
[INFO] [stdout]  --> src/time_map.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct TimeMap {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/time_map.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/time_map.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn set(&mut self, key: String, value: String, timestamp: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/time_map.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get(&self, key: String, timestamp: i32) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TimeMap`
[INFO] [stdout]  --> src/time_map.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct TimeMap {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/time_map.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/time_map.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn set(&mut self, key: String, value: String, timestamp: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/time_map.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get(&self, key: String, timestamp: i32) -> String {
[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 13.70s
[INFO] running `Command { std: "docker" "inspect" "323f22c97c987476f06e98947dd666bc95dfb904599b78d8bfbf0d37ed72a4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323f22c97c987476f06e98947dd666bc95dfb904599b78d8bfbf0d37ed72a4c1", kill_on_drop: false }`
[INFO] [stdout] 323f22c97c987476f06e98947dd666bc95dfb904599b78d8bfbf0d37ed72a4c1