[INFO] cloning repository https://github.com/IlmariHirvonen/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IlmariHirvonen/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlmariHirvonen%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlmariHirvonen%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 570baefafc8b87fe28ab93d1a40254ba28d759a9 [INFO] checking IlmariHirvonen/sudoku-solver against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlmariHirvonen%2Fsudoku-solver" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/IlmariHirvonen/sudoku-solver [INFO] finished tweaking git repo https://github.com/IlmariHirvonen/sudoku-solver [INFO] tweaked toml for git repo https://github.com/IlmariHirvonen/sudoku-solver written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/IlmariHirvonen/sudoku-solver on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/IlmariHirvonen/sudoku-solver 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking IlmariHirvonen/sudoku-solver against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlmariHirvonen%2Fsudoku-solver" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/IlmariHirvonen/sudoku-solver [INFO] finished tweaking git repo https://github.com/IlmariHirvonen/sudoku-solver [INFO] tweaked toml for git repo https://github.com/IlmariHirvonen/sudoku-solver written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/IlmariHirvonen/sudoku-solver on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/IlmariHirvonen/sudoku-solver 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcaa8ac928e61fe7feb869e8d861e6366bdeba055b6631cf2cf493605aba8286 [INFO] running `Command { std: "docker" "start" "-a" "fcaa8ac928e61fe7feb869e8d861e6366bdeba055b6631cf2cf493605aba8286", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcaa8ac928e61fe7feb869e8d861e6366bdeba055b6631cf2cf493605aba8286", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcaa8ac928e61fe7feb869e8d861e6366bdeba055b6631cf2cf493605aba8286", kill_on_drop: false }` [INFO] [stdout] fcaa8ac928e61fe7feb869e8d861e6366bdeba055b6631cf2cf493605aba8286 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99105a4b1f4800274c0746e58a309008d09786379e63250738a9c217df560f2f [INFO] running `Command { std: "docker" "start" "-a" "99105a4b1f4800274c0746e58a309008d09786379e63250738a9c217df560f2f", kill_on_drop: false }` [INFO] [stderr] Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::{Duration, Instant}; [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: `Duration` [INFO] [stdout] --> src/main.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut index = 0; [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/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut sudokus1 = sudoku_puzzles[0..sudokus_per_thread].to_vec(); [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:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut sudokus2 = sudoku_puzzles[sudokus_per_thread..2*sudokus_per_thread].to_vec(); [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:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let mut sudokus3 = sudoku_puzzles[2*sudokus_per_thread..3*sudokus_per_thread].to_vec(); [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:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let mut sudokus4 = sudoku_puzzles[3*sudokus_per_thread..4*sudokus_per_thread-1].to_vec(); [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:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut sudokus5 = sudoku_puzzles[4*sudokus_per_thread..5*sudokus_per_thread-1].to_vec(); [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:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let mut sudokus6 = sudoku_puzzles[5*sudokus_per_thread..6*sudokus_per_thread-1].to_vec(); [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:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let mut sudokus7 = sudoku_puzzles[6*sudokus_per_thread..7*sudokus_per_thread-1].to_vec(); [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:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut sudokus8 = sudoku_puzzles[7*sudokus_per_thread..8*sudokus_per_thread-1].to_vec(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut index = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [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/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut index = 0; [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/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut sudokus1 = sudoku_puzzles[0..sudokus_per_thread].to_vec(); [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:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut sudokus2 = sudoku_puzzles[sudokus_per_thread..2*sudokus_per_thread].to_vec(); [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:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let mut sudokus3 = sudoku_puzzles[2*sudokus_per_thread..3*sudokus_per_thread].to_vec(); [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:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let mut sudokus4 = sudoku_puzzles[3*sudokus_per_thread..4*sudokus_per_thread-1].to_vec(); [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:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut sudokus5 = sudoku_puzzles[4*sudokus_per_thread..5*sudokus_per_thread-1].to_vec(); [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:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let mut sudokus6 = sudoku_puzzles[5*sudokus_per_thread..6*sudokus_per_thread-1].to_vec(); [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:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let mut sudokus7 = sudoku_puzzles[6*sudokus_per_thread..7*sudokus_per_thread-1].to_vec(); [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:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut sudokus8 = sudoku_puzzles[7*sudokus_per_thread..8*sudokus_per_thread-1].to_vec(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut index = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [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/main.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | let mut notes = possible_numbers(&sudoku); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `numbers_found` is assigned to, but never used [INFO] [stdout] --> src/main.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | let mut numbers_found = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_numbers_found` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `numbers_found` is never read [INFO] [stdout] --> src/main.rs:250:17 [INFO] [stdout] | [INFO] [stdout] 250 | numbers_found += 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | let mut notes = possible_numbers(&sudoku); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `numbers_found` is assigned to, but never used [INFO] [stdout] --> src/main.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | let mut numbers_found = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_numbers_found` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `numbers_found` is never read [INFO] [stdout] --> src/main.rs:250:17 [INFO] [stdout] | [INFO] [stdout] 250 | numbers_found += 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `updated` is never read [INFO] [stdout] --> src/main.rs:318:23 [INFO] [stdout] | [INFO] [stdout] 318 | let mut updated = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `updated` is never read [INFO] [stdout] --> src/main.rs:319:5 [INFO] [stdout] | [INFO] [stdout] 319 | updated = update_notes(notes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `updated` is never read [INFO] [stdout] --> src/main.rs:324:5 [INFO] [stdout] | [INFO] [stdout] 324 | updated = update_notes(&mut column_notes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `updated` is never read [INFO] [stdout] --> src/main.rs:318:23 [INFO] [stdout] | [INFO] [stdout] 318 | let mut updated = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `updated` is never read [INFO] [stdout] --> src/main.rs:319:5 [INFO] [stdout] | [INFO] [stdout] 319 | updated = update_notes(notes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `updated` is never read [INFO] [stdout] --> src/main.rs:324:5 [INFO] [stdout] | [INFO] [stdout] 324 | updated = update_notes(&mut column_notes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `index` is never read [INFO] [stdout] --> src/main.rs:283:25 [INFO] [stdout] | [INFO] [stdout] 283 | let mut index = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `index` is never read [INFO] [stdout] --> src/main.rs:283:25 [INFO] [stdout] | [INFO] [stdout] 283 | let mut index = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "99105a4b1f4800274c0746e58a309008d09786379e63250738a9c217df560f2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99105a4b1f4800274c0746e58a309008d09786379e63250738a9c217df560f2f", kill_on_drop: false }` [INFO] [stdout] 99105a4b1f4800274c0746e58a309008d09786379e63250738a9c217df560f2f