[INFO] cloning repository https://github.com/basicss1/hw2_redo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/basicss1/hw2_redo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasicss1%2Fhw2_redo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasicss1%2Fhw2_redo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74760731fb74c6a135c4a3ef7f78cc2858fee05f [INFO] testing basicss1/hw2_redo against beta-2026-03-05 for beta-1.95-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasicss1%2Fhw2_redo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/basicss1/hw2_redo [INFO] finished tweaking git repo https://github.com/basicss1/hw2_redo [INFO] tweaked toml for git repo https://github.com/basicss1/hw2_redo written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/basicss1/hw2_redo on toolchain beta-2026-03-05 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/basicss1/hw2_redo 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing basicss1/hw2_redo against beta-2026-03-05 for beta-1.95-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasicss1%2Fhw2_redo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/basicss1/hw2_redo [INFO] finished tweaking git repo https://github.com/basicss1/hw2_redo [INFO] tweaked toml for git repo https://github.com/basicss1/hw2_redo written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/basicss1/hw2_redo on toolchain beta-2026-03-05 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/basicss1/hw2_redo 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" "+beta-2026-03-05" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded snafu v0.3.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.15 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded snafu-derive v0.3.1 [INFO] [stderr] Downloaded autocfg v0.1.4 [INFO] [stderr] Downloaded custom_error v1.6.0 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded backtrace v0.3.30 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded syn v0.15.35 [INFO] [stderr] Downloaded libc v0.2.58 [INFO] [stderr] Downloaded backtrace-sys v0.1.28 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0dec3e0e0096c53e23d89fde1c840a643d0a498c5c654832ccda1718f80fde32 [INFO] running `Command { std: "docker" "start" "-a" "0dec3e0e0096c53e23d89fde1c840a643d0a498c5c654832ccda1718f80fde32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0dec3e0e0096c53e23d89fde1c840a643d0a498c5c654832ccda1718f80fde32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dec3e0e0096c53e23d89fde1c840a643d0a498c5c654832ccda1718f80fde32", kill_on_drop: false }` [INFO] [stdout] 0dec3e0e0096c53e23d89fde1c840a643d0a498c5c654832ccda1718f80fde32 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c97ff40ad5fdd8a0f14c1eee36eca271b3bcb891ff23e4a51ae45fece1b9d8dd [INFO] running `Command { std: "docker" "start" "-a" "c97ff40ad5fdd8a0f14c1eee36eca271b3bcb891ff23e4a51ae45fece1b9d8dd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling custom_error v1.6.0 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling snafu-derive v0.3.1 [INFO] [stderr] Compiling snafu v0.3.1 [INFO] [stderr] Compiling graph v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `process` [INFO] [stdout] --> src/lib.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, process}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/lib.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::{self,File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:64:11 [INFO] [stdout] | [INFO] [stdout] 64 | if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 - if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] 64 + if !self.backward.contains(&word.to_string()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:187:12 [INFO] [stdout] | [INFO] [stdout] 187 | if (*found == 0){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 187 - if (*found == 0){ [INFO] [stdout] 187 + if *found == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_left`: superseded by `trim_start` [INFO] [stdout] --> src/lib.rs:128:14 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_start().trim_right(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/lib.rs:128:26 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_left().trim_end(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude` [INFO] [stdout] --> src/lib.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write, prelude::*}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | for i in 0..length{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:93:92 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn helper(&self, answer: &mut Vec, begin_values: usize, end_values: usize, mut found: &mut i32){ [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:121:20 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn read_string(mut label_graph: &mut LabelGraph) -> io::Result<()>{ [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/lib.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut found: &mut i32 = &mut 0; [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/lib.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 184 | let mut ans: &mut Vec = &mut Vec::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/lib.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | let g = match io::stdin().read_line(&mut contents) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | let mut ans: &mut Vec = &mut Vec::new(); [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/lib.rs:256:13 [INFO] [stdout] | [INFO] [stdout] 256 | let mut found: &mut i32 = &mut 0; [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/lib.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | let mut ans1: &mut Vec = &mut Vec::new(); [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/lib.rs:263:13 [INFO] [stdout] | [INFO] [stdout] 263 | let mut found1: &mut i32 = &mut 0; [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/lib.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | let mut ans2: &mut Vec = &mut Vec::new(); [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/lib.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | let mut found2: &mut i32 = &mut 0; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intgraph_set_1_for_neighbor` is never used [INFO] [stdout] --> src/lib.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 205 | fn intgraph_set_1_for_neighbor(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `label_graph_helper` is never used [INFO] [stdout] --> src/lib.rs:240:8 [INFO] [stdout] | [INFO] [stdout] 240 | fn label_graph_helper(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::trim_right` that must be used [INFO] [stdout] --> src/lib.rs:128:5 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the trimmed string as a new slice, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 128 | let _ = contents.trim_left().trim_right(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:139:32 [INFO] [stdout] | [INFO] [stdout] 139 | let new_word = a[0].clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/lib.rs:143:42 [INFO] [stdout] | [INFO] [stdout] 143 | let new_word_ = word_.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `process` [INFO] [stdout] --> src/lib.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, process}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/lib.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::{self,File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:64:11 [INFO] [stdout] | [INFO] [stdout] 64 | if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 - if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] 64 + if !self.backward.contains(&word.to_string()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:187:12 [INFO] [stdout] | [INFO] [stdout] 187 | if (*found == 0){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 187 - if (*found == 0){ [INFO] [stdout] 187 + if *found == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_left`: superseded by `trim_start` [INFO] [stdout] --> src/lib.rs:128:14 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_start().trim_right(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/lib.rs:128:26 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_left().trim_end(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude` [INFO] [stdout] --> src/lib.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write, prelude::*}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | for i in 0..length{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:93:92 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn helper(&self, answer: &mut Vec, begin_values: usize, end_values: usize, mut found: &mut i32){ [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:121:20 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn read_string(mut label_graph: &mut LabelGraph) -> io::Result<()>{ [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/lib.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut found: &mut i32 = &mut 0; [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/lib.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 184 | let mut ans: &mut Vec = &mut Vec::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/lib.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | let g = match io::stdin().read_line(&mut contents) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | let mut ans: &mut Vec = &mut Vec::new(); [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/lib.rs:256:13 [INFO] [stdout] | [INFO] [stdout] 256 | let mut found: &mut i32 = &mut 0; [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/lib.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | let mut ans1: &mut Vec = &mut Vec::new(); [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/lib.rs:263:13 [INFO] [stdout] | [INFO] [stdout] 263 | let mut found1: &mut i32 = &mut 0; [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/lib.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | let mut ans2: &mut Vec = &mut Vec::new(); [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/lib.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | let mut found2: &mut i32 = &mut 0; [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:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut label_graph:&mut lib::LabelGraph = &mut lib::LabelGraph::new(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let a = lib::read_string(label_graph)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let g = lib::read_input(label_graph)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_len` and `get_contents` are never used [INFO] [stdout] --> src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl IntGraph{ [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] 13 | pub fn get_len(&self) -> usize{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn get_contents(&self) -> &Vec>{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_graph` is never used [INFO] [stdout] --> src/lib.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 77 | impl LabelGraph{ [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn set_graph(&mut self, intgraph: IntGraph, labelmap: LabelMap){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intgraph_set_1_for_neighbor` is never used [INFO] [stdout] --> src/lib.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 205 | fn intgraph_set_1_for_neighbor(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `label_graph_helper` is never used [INFO] [stdout] --> src/lib.rs:240:8 [INFO] [stdout] | [INFO] [stdout] 240 | fn label_graph_helper(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::trim_right` that must be used [INFO] [stdout] --> src/lib.rs:128:5 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the trimmed string as a new slice, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 128 | let _ = contents.trim_left().trim_right(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:139:32 [INFO] [stdout] | [INFO] [stdout] 139 | let new_word = a[0].clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/lib.rs:143:42 [INFO] [stdout] | [INFO] [stdout] 143 | let new_word_ = word_.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s [INFO] running `Command { std: "docker" "inspect" "c97ff40ad5fdd8a0f14c1eee36eca271b3bcb891ff23e4a51ae45fece1b9d8dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c97ff40ad5fdd8a0f14c1eee36eca271b3bcb891ff23e4a51ae45fece1b9d8dd", kill_on_drop: false }` [INFO] [stdout] c97ff40ad5fdd8a0f14c1eee36eca271b3bcb891ff23e4a51ae45fece1b9d8dd [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbdc9c3902992348aff3fc09ae625113b67ac0e5becba574209528421ccb2f37 [INFO] running `Command { std: "docker" "start" "-a" "fbdc9c3902992348aff3fc09ae625113b67ac0e5becba574209528421ccb2f37", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `process` [INFO] [stdout] --> src/lib.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, process}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/lib.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::{self,File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:64:11 [INFO] [stdout] | [INFO] [stdout] 64 | if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 - if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] 64 + if !self.backward.contains(&word.to_string()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:187:12 [INFO] [stdout] | [INFO] [stdout] 187 | if (*found == 0){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 187 - if (*found == 0){ [INFO] [stdout] 187 + if *found == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_left`: superseded by `trim_start` [INFO] [stdout] --> src/lib.rs:128:14 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_start().trim_right(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/lib.rs:128:26 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_left().trim_end(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude` [INFO] [stdout] --> src/lib.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write, prelude::*}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | for i in 0..length{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:93:92 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn helper(&self, answer: &mut Vec, begin_values: usize, end_values: usize, mut found: &mut i32){ [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:121:20 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn read_string(mut label_graph: &mut LabelGraph) -> io::Result<()>{ [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/lib.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut found: &mut i32 = &mut 0; [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/lib.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 184 | let mut ans: &mut Vec = &mut Vec::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/lib.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | let g = match io::stdin().read_line(&mut contents) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | let mut ans: &mut Vec = &mut Vec::new(); [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/lib.rs:256:13 [INFO] [stdout] | [INFO] [stdout] 256 | let mut found: &mut i32 = &mut 0; [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/lib.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | let mut ans1: &mut Vec = &mut Vec::new(); [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/lib.rs:263:13 [INFO] [stdout] | [INFO] [stdout] 263 | let mut found1: &mut i32 = &mut 0; [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/lib.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | let mut ans2: &mut Vec = &mut Vec::new(); [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/lib.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | let mut found2: &mut i32 = &mut 0; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intgraph_set_1_for_neighbor` is never used [INFO] [stdout] --> src/lib.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 205 | fn intgraph_set_1_for_neighbor(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `label_graph_helper` is never used [INFO] [stdout] --> src/lib.rs:240:8 [INFO] [stdout] | [INFO] [stdout] 240 | fn label_graph_helper(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::trim_right` that must be used [INFO] [stdout] --> src/lib.rs:128:5 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the trimmed string as a new slice, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 128 | let _ = contents.trim_left().trim_right(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:139:32 [INFO] [stdout] | [INFO] [stdout] 139 | let new_word = a[0].clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling graph v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/lib.rs:143:42 [INFO] [stdout] | [INFO] [stdout] 143 | let new_word_ = word_.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `process` [INFO] [stdout] --> src/lib.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, process}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/lib.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::{self,File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:64:11 [INFO] [stdout] | [INFO] [stdout] 64 | if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 - if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] 64 + if !self.backward.contains(&word.to_string()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:187:12 [INFO] [stdout] | [INFO] [stdout] 187 | if (*found == 0){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 187 - if (*found == 0){ [INFO] [stdout] 187 + if *found == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `process` [INFO] [stdout] --> src/lib.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, process}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/lib.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::{self,File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:64:11 [INFO] [stdout] | [INFO] [stdout] 64 | if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 - if(!self.backward.contains(&word.to_string())){ [INFO] [stdout] 64 + if !self.backward.contains(&word.to_string()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:187:12 [INFO] [stdout] | [INFO] [stdout] 187 | if (*found == 0){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 187 - if (*found == 0){ [INFO] [stdout] 187 + if *found == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_left`: superseded by `trim_start` [INFO] [stdout] --> src/lib.rs:128:14 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_start().trim_right(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_left`: superseded by `trim_start` [INFO] [stdout] --> src/lib.rs:128:14 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_start().trim_right(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/lib.rs:128:26 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_left().trim_end(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/lib.rs:128:26 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 128 - contents.trim_left().trim_right(); [INFO] [stdout] 128 + contents.trim_left().trim_end(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude` [INFO] [stdout] --> src/lib.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write, prelude::*}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude` [INFO] [stdout] --> src/lib.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write, prelude::*}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | for i in 0..length{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | for i in 0..length{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:93:92 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn helper(&self, answer: &mut Vec, begin_values: usize, end_values: usize, mut found: &mut i32){ [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:93:92 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn helper(&self, answer: &mut Vec, begin_values: usize, end_values: usize, mut found: &mut i32){ [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:121:20 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn read_string(mut label_graph: &mut LabelGraph) -> io::Result<()>{ [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/lib.rs:121:20 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn read_string(mut label_graph: &mut LabelGraph) -> io::Result<()>{ [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/lib.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut found: &mut i32 = &mut 0; [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/lib.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 184 | let mut ans: &mut Vec = &mut Vec::new(); [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/lib.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | let mut found: &mut i32 = &mut 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/lib.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | let g = match io::stdin().read_line(&mut contents) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:184:13 [INFO] [stdout] | [INFO] [stdout] 184 | let mut ans: &mut Vec = &mut Vec::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/lib.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | let g = match io::stdin().read_line(&mut contents) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | let mut ans: &mut Vec = &mut Vec::new(); [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/lib.rs:256:13 [INFO] [stdout] | [INFO] [stdout] 256 | let mut found: &mut i32 = &mut 0; [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/lib.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | let mut ans1: &mut Vec = &mut Vec::new(); [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/lib.rs:263:13 [INFO] [stdout] | [INFO] [stdout] 263 | let mut found1: &mut i32 = &mut 0; [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/lib.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | let mut ans2: &mut Vec = &mut Vec::new(); [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/lib.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | let mut ans: &mut Vec = &mut Vec::new(); [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/lib.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | let mut found2: &mut i32 = &mut 0; [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/lib.rs:256:13 [INFO] [stdout] | [INFO] [stdout] 256 | let mut found: &mut i32 = &mut 0; [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/lib.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | let mut ans1: &mut Vec = &mut Vec::new(); [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/lib.rs:263:13 [INFO] [stdout] | [INFO] [stdout] 263 | let mut found1: &mut i32 = &mut 0; [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/lib.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | let mut ans2: &mut Vec = &mut Vec::new(); [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/lib.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | let mut found2: &mut i32 = &mut 0; [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:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut label_graph:&mut lib::LabelGraph = &mut lib::LabelGraph::new(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let a = lib::read_string(label_graph)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let g = lib::read_input(label_graph)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intgraph_set_1_for_neighbor` is never used [INFO] [stdout] --> src/lib.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 205 | fn intgraph_set_1_for_neighbor(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_len` and `get_contents` are never used [INFO] [stdout] --> src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl IntGraph{ [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] 13 | pub fn get_len(&self) -> usize{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn get_contents(&self) -> &Vec>{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `label_graph_helper` is never used [INFO] [stdout] --> src/lib.rs:240:8 [INFO] [stdout] | [INFO] [stdout] 240 | fn label_graph_helper(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intgraph_set_1_for_neighbor` is never used [INFO] [stdout] --> src/lib.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 205 | fn intgraph_set_1_for_neighbor(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `label_graph_helper` is never used [INFO] [stdout] --> src/lib.rs:240:8 [INFO] [stdout] | [INFO] [stdout] 240 | fn label_graph_helper(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::trim_right` that must be used [INFO] [stdout] --> src/lib.rs:128:5 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the trimmed string as a new slice, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 128 | let _ = contents.trim_left().trim_right(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::trim_right` that must be used [INFO] [stdout] --> src/lib.rs:128:5 [INFO] [stdout] | [INFO] [stdout] 128 | contents.trim_left().trim_right(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the trimmed string as a new slice, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 128 | let _ = contents.trim_left().trim_right(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:139:32 [INFO] [stdout] | [INFO] [stdout] 139 | let new_word = a[0].clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:139:32 [INFO] [stdout] | [INFO] [stdout] 139 | let new_word = a[0].clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/lib.rs:143:42 [INFO] [stdout] | [INFO] [stdout] 143 | let new_word_ = word_.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/lib.rs:143:42 [INFO] [stdout] | [INFO] [stdout] 143 | let new_word_ = word_.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "fbdc9c3902992348aff3fc09ae625113b67ac0e5becba574209528421ccb2f37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbdc9c3902992348aff3fc09ae625113b67ac0e5becba574209528421ccb2f37", kill_on_drop: false }` [INFO] [stdout] fbdc9c3902992348aff3fc09ae625113b67ac0e5becba574209528421ccb2f37 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7260c1b91ab8c335327bd7b5c114b397ab10d04853bcd6c079536c52b9b63e12 [INFO] running `Command { std: "docker" "start" "-a" "7260c1b91ab8c335327bd7b5c114b397ab10d04853bcd6c079536c52b9b63e12", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `process` [INFO] [stderr] --> src/lib.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{env, process}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `File` [INFO] [stderr] --> src/lib.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs::{self,File}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/lib.rs:64:11 [INFO] [stderr] | [INFO] [stderr] 64 | if(!self.backward.contains(&word.to_string())){ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 64 - if(!self.backward.contains(&word.to_string())){ [INFO] [stderr] 64 + if !self.backward.contains(&word.to_string()) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/lib.rs:187:12 [INFO] [stderr] | [INFO] [stderr] 187 | if (*found == 0){ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 187 - if (*found == 0){ [INFO] [stderr] 187 + if *found == 0 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `core::str::::trim_left`: superseded by `trim_start` [INFO] [stderr] --> src/lib.rs:128:14 [INFO] [stderr] | [INFO] [stderr] 128 | contents.trim_left().trim_right(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] help: replace the use of the deprecated method [INFO] [stderr] | [INFO] [stderr] 128 - contents.trim_left().trim_right(); [INFO] [stderr] 128 + contents.trim_start().trim_right(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stderr] --> src/lib.rs:128:26 [INFO] [stderr] | [INFO] [stderr] 128 | contents.trim_left().trim_right(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: replace the use of the deprecated method [INFO] [stderr] | [INFO] [stderr] 128 - contents.trim_left().trim_right(); [INFO] [stderr] 128 + contents.trim_left().trim_end(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `prelude` [INFO] [stderr] --> src/lib.rs:5:28 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{self, Write, prelude::*}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | for i in 0..length{ [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:93:92 [INFO] [stderr] | [INFO] [stderr] 93 | pub fn helper(&self, answer: &mut Vec, begin_values: usize, end_values: usize, mut found: &mut i32){ [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:121:20 [INFO] [stderr] | [INFO] [stderr] 121 | pub fn read_string(mut label_graph: &mut LabelGraph) -> io::Result<()>{ [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:182:13 [INFO] [stderr] | [INFO] [stderr] 182 | let mut found: &mut i32 = &mut 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:184:13 [INFO] [stderr] | [INFO] [stderr] 184 | let mut ans: &mut Vec = &mut Vec::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g` [INFO] [stderr] --> src/lib.rs:164:13 [INFO] [stderr] | [INFO] [stderr] 164 | let g = match io::stdin().read_line(&mut contents) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:255:13 [INFO] [stderr] | [INFO] [stderr] 255 | let mut ans: &mut Vec = &mut Vec::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:256:13 [INFO] [stderr] | [INFO] [stderr] 256 | let mut found: &mut i32 = &mut 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:262:13 [INFO] [stderr] | [INFO] [stderr] 262 | let mut ans1: &mut Vec = &mut Vec::new(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:263:13 [INFO] [stderr] | [INFO] [stderr] 263 | let mut found1: &mut i32 = &mut 0; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:273:13 [INFO] [stderr] | [INFO] [stderr] 273 | let mut ans2: &mut Vec = &mut Vec::new(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:274:13 [INFO] [stderr] | [INFO] [stderr] 274 | let mut found2: &mut i32 = &mut 0; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `intgraph_set_1_for_neighbor` is never used [INFO] [stderr] --> src/lib.rs:205:8 [INFO] [stderr] | [INFO] [stderr] 205 | fn intgraph_set_1_for_neighbor(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `label_graph_helper` is never used [INFO] [stderr] --> src/lib.rs:240:8 [INFO] [stderr] | [INFO] [stderr] 240 | fn label_graph_helper(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::str::::trim_right` that must be used [INFO] [stderr] --> src/lib.rs:128:5 [INFO] [stderr] | [INFO] [stderr] 128 | contents.trim_left().trim_right(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this returns the trimmed string as a new slice, without modifying the original [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 128 | let _ = contents.trim_left().trim_right(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/lib.rs:139:32 [INFO] [stderr] | [INFO] [stderr] 139 | let new_word = a[0].clone(); [INFO] [stderr] | ^^^^^^^^ help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] [INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stderr] --> src/lib.rs:143:42 [INFO] [stderr] | [INFO] [stderr] 143 | let new_word_ = word_.clone(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `graph` (lib) generated 24 warnings (run `cargo fix --lib -p graph` to apply 19 suggestions) [INFO] [stderr] warning: `graph` (lib test) generated 24 warnings (24 duplicates) [INFO] [stderr] warning: found module declaration for lib.rs [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | mod lib; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: lib.rs is the root of this crate's library target [INFO] [stderr] = help: to refer to it from other targets, use the library's name as the path [INFO] [stderr] = note: `#[warn(special_module_name)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut label_graph:&mut lib::LabelGraph = &mut lib::LabelGraph::new(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let a = lib::read_string(label_graph)?; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g` [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let g = lib::read_input(label_graph)?; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stderr] [INFO] [stderr] warning: methods `get_len` and `get_contents` are never used [INFO] [stderr] --> src/lib.rs:13:12 [INFO] [stderr] | [INFO] [stderr] 12 | impl IntGraph{ [INFO] [stderr] | ------------- methods in this implementation [INFO] [stderr] 13 | pub fn get_len(&self) -> usize{ [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 17 | pub fn get_contents(&self) -> &Vec>{ [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `intgraph_set_1_for_neighbor` is never used [INFO] [stderr] --> src/lib.rs:205:8 [INFO] [stderr] | [INFO] [stderr] 205 | fn intgraph_set_1_for_neighbor(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `graph` (bin "graph" test) generated 29 warnings (23 duplicates) (run `cargo fix --bin "graph" -p graph --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph-7b300dfff029bb61) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test intgraph_set_graph ... ok [INFO] [stdout] test add_word_test ... ok [INFO] [stdout] test labelgraph_set_graph ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/graph-2cf65edb8a66479f) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test lib::add_word_test ... ok [INFO] [stdout] test lib::labelgraph_set_graph ... ok [INFO] [stdout] test lib::intgraph_set_graph ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests graph [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/lib.rs:64:11 [INFO] [stderr] | [INFO] [stderr] 64 | if(!self.backward.contains(&word.to_string())){ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 64 - if(!self.backward.contains(&word.to_string())){ [INFO] [stderr] 64 + if !self.backward.contains(&word.to_string()) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/lib.rs:187:12 [INFO] [stderr] | [INFO] [stderr] 187 | if (*found == 0){ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 187 - if (*found == 0){ [INFO] [stderr] 187 + if *found == 0 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7260c1b91ab8c335327bd7b5c114b397ab10d04853bcd6c079536c52b9b63e12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7260c1b91ab8c335327bd7b5c114b397ab10d04853bcd6c079536c52b9b63e12", kill_on_drop: false }` [INFO] [stdout] 7260c1b91ab8c335327bd7b5c114b397ab10d04853bcd6c079536c52b9b63e12