[INFO] cloning repository https://github.com/75-akimas/fa-string-search [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/75-akimas/fa-string-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F75-akimas%2Ffa-string-search", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F75-akimas%2Ffa-string-search'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] edbc0594e8e9bd4157536c5cf34e8a8995e0581b [INFO] checking 75-akimas/fa-string-search against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F75-akimas%2Ffa-string-search" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/75-akimas/fa-string-search on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/75-akimas/fa-string-search [INFO] finished tweaking git repo https://github.com/75-akimas/fa-string-search [INFO] tweaked toml for git repo https://github.com/75-akimas/fa-string-search written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/75-akimas/fa-string-search already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a53f692d8d44ca3292c6bd483452ed11602f3f1c2e1ffa69ae4778a9c579ab42 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a53f692d8d44ca3292c6bd483452ed11602f3f1c2e1ffa69ae4778a9c579ab42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a53f692d8d44ca3292c6bd483452ed11602f3f1c2e1ffa69ae4778a9c579ab42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a53f692d8d44ca3292c6bd483452ed11602f3f1c2e1ffa69ae4778a9c579ab42", kill_on_drop: false }` [INFO] [stdout] a53f692d8d44ca3292c6bd483452ed11602f3f1c2e1ffa69ae4778a9c579ab42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1cef33e375a1e25f6a875960cae9ee68c980a9a936cdf92c828a5f96169812e3 [INFO] running `Command { std: "docker" "start" "-a" "1cef33e375a1e25f6a875960cae9ee68c980a9a936cdf92c828a5f96169812e3", kill_on_drop: false }` [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking fa-search v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::read_to_string` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::read_to_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, BufRead, BufReader}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::{Instant, Duration}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::read_to_string` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::read_to_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, BufRead, BufReader}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::{Instant, Duration}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let start = Instant::now(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | let result = oracle.search(s); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `num_words` is assigned to, but never used [INFO] [stdout] --> src/main.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | let mut num_words = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_num_words` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `num` is assigned to, but never used [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut num = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_num` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `oracle` [INFO] [stdout] --> src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let oracle = Trie::new({ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_oracle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/main.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | let end = start.elapsed(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `init` [INFO] [stdout] --> src/main.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | let init = state_index.clone(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `summ` [INFO] [stdout] --> src/main.rs:360:17 [INFO] [stdout] | [INFO] [stdout] 360 | let mut summ = 0; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_summ` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `wc` is assigned to, but never used [INFO] [stdout] --> src/main.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | let mut wc = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_wc` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let start = Instant::now(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | let result = oracle.search(s); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:360:13 [INFO] [stdout] | [INFO] [stdout] 360 | let mut summ = 0; [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 `num_words` is assigned to, but never used [INFO] [stdout] --> src/main.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | let mut num_words = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_num_words` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `num` is assigned to, but never used [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut num = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_num` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `oracle` [INFO] [stdout] --> src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let oracle = Trie::new({ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_oracle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/main.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | let end = start.elapsed(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `init` [INFO] [stdout] --> src/main.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | let init = state_index.clone(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_init` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `summ` [INFO] [stdout] --> src/main.rs:360:17 [INFO] [stdout] | [INFO] [stdout] 360 | let mut summ = 0; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_summ` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `wc` is assigned to, but never used [INFO] [stdout] --> src/main.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | let mut wc = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_wc` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_index` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn create_index(fa: FOM) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `count_bits` [INFO] [stdout] --> src/main.rs:221:4 [INFO] [stdout] | [INFO] [stdout] 221 | fn count_bits(x: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `decide_bits` [INFO] [stdout] --> src/main.rs:232:4 [INFO] [stdout] | [INFO] [stdout] 232 | fn decide_bits(x: usize) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `HuffmanCode` [INFO] [stdout] --> src/main.rs:247:8 [INFO] [stdout] | [INFO] [stdout] 247 | struct HuffmanCode { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:255:12 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn new(data: HashMap) -> HuffmanCode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_code_info` [INFO] [stdout] --> src/main.rs:279:8 [INFO] [stdout] | [INFO] [stdout] 279 | fn print_code_info(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dfs` [INFO] [stdout] --> src/main.rs:288:8 [INFO] [stdout] | [INFO] [stdout] 288 | fn dfs(code_info: &mut HashMap, node: &TreeNode, code: usize, code_size: usize) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/main.rs:303:5 [INFO] [stdout] | [INFO] [stdout] 303 | value: char, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `childs` [INFO] [stdout] --> src/main.rs:305:5 [INFO] [stdout] | [INFO] [stdout] 305 | childs: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:309:12 [INFO] [stdout] | [INFO] [stdout] 309 | pub fn new(p:(char, i64, Vec)) -> TreeNode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `depth` [INFO] [stdout] --> src/main.rs:449:8 [INFO] [stdout] | [INFO] [stdout] 449 | fn depth(&mut self, num: usize, trie: &Vec>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:360:13 [INFO] [stdout] | [INFO] [stdout] 360 | let mut summ = 0; [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: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_index` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn create_index(fa: FOM) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `count_bits` [INFO] [stdout] --> src/main.rs:221:4 [INFO] [stdout] | [INFO] [stdout] 221 | fn count_bits(x: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `decide_bits` [INFO] [stdout] --> src/main.rs:232:4 [INFO] [stdout] | [INFO] [stdout] 232 | fn decide_bits(x: usize) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `HuffmanCode` [INFO] [stdout] --> src/main.rs:247:8 [INFO] [stdout] | [INFO] [stdout] 247 | struct HuffmanCode { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:255:12 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn new(data: HashMap) -> HuffmanCode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_code_info` [INFO] [stdout] --> src/main.rs:279:8 [INFO] [stdout] | [INFO] [stdout] 279 | fn print_code_info(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dfs` [INFO] [stdout] --> src/main.rs:288:8 [INFO] [stdout] | [INFO] [stdout] 288 | fn dfs(code_info: &mut HashMap, node: &TreeNode, code: usize, code_size: usize) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/main.rs:303:5 [INFO] [stdout] | [INFO] [stdout] 303 | value: char, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `childs` [INFO] [stdout] --> src/main.rs:305:5 [INFO] [stdout] | [INFO] [stdout] 305 | childs: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:309:12 [INFO] [stdout] | [INFO] [stdout] 309 | pub fn new(p:(char, i64, Vec)) -> TreeNode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `depth` [INFO] [stdout] --> src/main.rs:449:8 [INFO] [stdout] | [INFO] [stdout] 449 | fn depth(&mut self, num: usize, trie: &Vec>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.37s [INFO] running `Command { std: "docker" "inspect" "1cef33e375a1e25f6a875960cae9ee68c980a9a936cdf92c828a5f96169812e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cef33e375a1e25f6a875960cae9ee68c980a9a936cdf92c828a5f96169812e3", kill_on_drop: false }` [INFO] [stdout] 1cef33e375a1e25f6a875960cae9ee68c980a9a936cdf92c828a5f96169812e3