[INFO] cloning repository https://github.com/ycatbink0t/substring_algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycatbink0t/substring_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/ycatbink0t/substring_algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycatbink0t/substring_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/ycatbink0t/substring_algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycatbink0t/substring_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/ycatbink0t/substring_algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycatbink0t/substring_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms/objects/pack: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/ycatbink0t/substring_algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycatbink0t/substring_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 77b3b3c220640fe94e3a508f23c46b875230c435 [INFO] checking ycatbink0t/substring_algorithms against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ycatbink0t/substring_algorithms on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ycatbink0t/substring_algorithms [INFO] finished tweaking git repo https://github.com/ycatbink0t/substring_algorithms [INFO] tweaked toml for git repo https://github.com/ycatbink0t/substring_algorithms written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ycatbink0t/substring_algorithms 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71ab5ffa0beeeb5138b1b275241c8d5fafe77543aff784463433b28b909484e2 [INFO] running `Command { std: "docker" "start" "-a" "71ab5ffa0beeeb5138b1b275241c8d5fafe77543aff784463433b28b909484e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71ab5ffa0beeeb5138b1b275241c8d5fafe77543aff784463433b28b909484e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71ab5ffa0beeeb5138b1b275241c8d5fafe77543aff784463433b28b909484e2", kill_on_drop: false }` [INFO] [stdout] 71ab5ffa0beeeb5138b1b275241c8d5fafe77543aff784463433b28b909484e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b53d5d130fa82bb7588df1f7cb106b88fee98a7767977ddc76349a830543dc6 [INFO] running `Command { std: "docker" "start" "-a" "5b53d5d130fa82bb7588df1f7cb106b88fee98a7767977ddc76349a830543dc6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking substring_algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> src/automata.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> src/horspool.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/two_way_alg.rs:143:22 [INFO] [stdout] | [INFO] [stdout] 143 | j += (i - ell); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 143 - j += (i - ell); [INFO] [stdout] 143 + j += i - ell; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/lib.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, Read, BufRead}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> src/automata.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> src/horspool.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/two_way_alg.rs:143:22 [INFO] [stdout] | [INFO] [stdout] 143 | j += (i - ell); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 143 - j += (i - ell); [INFO] [stdout] 143 + j += i - ell; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/lib.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, Read, BufRead}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/lib.rs:6:32 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, Read, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/lib.rs:6:32 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, Read, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `skipped` [INFO] [stdout] --> src/horspool.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | let skipped = Some(c); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skipped` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `skipped` [INFO] [stdout] --> src/horspool.rs:23:21 [INFO] [stdout] | [INFO] [stdout] 23 | let skipped = chars_iter.nth(to_skip - 2); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skipped` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `skipped` [INFO] [stdout] --> src/horspool.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | let skipped = Some(c); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skipped` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `skipped` [INFO] [stdout] --> src/horspool.rs:23:21 [INFO] [stdout] | [INFO] [stdout] 23 | let skipped = chars_iter.nth(to_skip - 2); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skipped` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/two_way_alg.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let mut ell; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/two_way_alg.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let mut ell; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | find_in.read_to_string(&mut text); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = find_in.read_to_string(&mut text); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | strings.read_to_string(&mut patterns); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 27 | let _ = strings.read_to_string(&mut patterns); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | find_in.read_to_string(&mut text); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = find_in.read_to_string(&mut text); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | strings.read_to_string(&mut patterns); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 27 | let _ = strings.read_to_string(&mut patterns); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hello` [INFO] [stdout] --> src/main.rs:1:43 [INFO] [stdout] | [INFO] [stdout] 1 | use substring_algorithms::{test_by_files, hello, TestResult}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Standard` [INFO] [stdout] --> src/main.rs:9:27 [INFO] [stdout] | [INFO] [stdout] 9 | use rand::distributions::{Standard, Alphanumeric}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hello` [INFO] [stdout] --> src/main.rs:1:43 [INFO] [stdout] | [INFO] [stdout] 1 | use substring_algorithms::{test_by_files, hello, TestResult}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Standard` [INFO] [stdout] --> src/main.rs:9:27 [INFO] [stdout] | [INFO] [stdout] 9 | use rand::distributions::{Standard, Alphanumeric}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let mut find_in: String = thread_rng() [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | let mut matching_strs: String = thread_rng() [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | test2_targets_file.write(test2_targets.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = test2_targets_file.write(test2_targets.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | test2_file.write(test2.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = test2_file.write(test2.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | result_test1_file.write(result_test1.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = result_test1_file.write(result_test1.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | result_test2_file.write(result_test1.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = result_test2_file.write(result_test1.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let mut find_in: String = thread_rng() [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | let mut matching_strs: String = thread_rng() [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | test2_targets_file.write(test2_targets.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = test2_targets_file.write(test2_targets.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | test2_file.write(test2.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = test2_file.write(test2.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | result_test1_file.write(result_test1.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = result_test1_file.write(result_test1.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | result_test2_file.write(result_test1.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = result_test2_file.write(result_test1.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s [INFO] running `Command { std: "docker" "inspect" "5b53d5d130fa82bb7588df1f7cb106b88fee98a7767977ddc76349a830543dc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b53d5d130fa82bb7588df1f7cb106b88fee98a7767977ddc76349a830543dc6", kill_on_drop: false }` [INFO] [stdout] 5b53d5d130fa82bb7588df1f7cb106b88fee98a7767977ddc76349a830543dc6