[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] testing ycatbink0t/substring_algorithms against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fsubstring_algorithms" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ycatbink0t/substring_algorithms on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-0/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: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6b28f5fbc5ed65b70c5b6a9123c673a16dee519aa0a239cff5eb03bd6c4983d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e6b28f5fbc5ed65b70c5b6a9123c673a16dee519aa0a239cff5eb03bd6c4983d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6b28f5fbc5ed65b70c5b6a9123c673a16dee519aa0a239cff5eb03bd6c4983d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6b28f5fbc5ed65b70c5b6a9123c673a16dee519aa0a239cff5eb03bd6c4983d", kill_on_drop: false }` [INFO] [stdout] e6b28f5fbc5ed65b70c5b6a9123c673a16dee519aa0a239cff5eb03bd6c4983d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2eec3490ba0edfe71a15b8bea73c41c7cbe3ade4102644df011508d74ba2d67 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b2eec3490ba0edfe71a15b8bea73c41c7cbe3ade4102644df011508d74ba2d67", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling 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: `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: 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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [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] [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] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.45s [INFO] running `Command { std: "docker" "inspect" "b2eec3490ba0edfe71a15b8bea73c41c7cbe3ade4102644df011508d74ba2d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2eec3490ba0edfe71a15b8bea73c41c7cbe3ade4102644df011508d74ba2d67", kill_on_drop: false }` [INFO] [stdout] b2eec3490ba0edfe71a15b8bea73c41c7cbe3ade4102644df011508d74ba2d67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27c5a4bfc73005cd878dac3ad4fc6974f5e493ab84fb7273d2b5e0afc3096be7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "27c5a4bfc73005cd878dac3ad4fc6974f5e493ab84fb7273d2b5e0afc3096be7", kill_on_drop: false }` [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 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: 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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling substring_algorithms v0.1.0 (/opt/rustwide/workdir) [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: `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: 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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [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] [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] [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: 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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `Command { std: "docker" "inspect" "27c5a4bfc73005cd878dac3ad4fc6974f5e493ab84fb7273d2b5e0afc3096be7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27c5a4bfc73005cd878dac3ad4fc6974f5e493ab84fb7273d2b5e0afc3096be7", kill_on_drop: false }` [INFO] [stdout] 27c5a4bfc73005cd878dac3ad4fc6974f5e493ab84fb7273d2b5e0afc3096be7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9575b9112626c90cedb5b11f60989d4e10a76f58bea4e29d9756c7a55446b8e8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9575b9112626c90cedb5b11f60989d4e10a76f58bea4e29d9756c7a55446b8e8", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::ops::Index` [INFO] [stderr] --> src/automata.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::ops::Index; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Index` [INFO] [stderr] --> src/horspool.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::Index; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/two_way_alg.rs:143:22 [INFO] [stderr] | [INFO] [stderr] 143 | j += (i - ell); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 143 - j += (i - ell); [INFO] [stderr] 143 + j += i - ell; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufReader` [INFO] [stderr] --> src/lib.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::{BufReader, Read, BufRead}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufRead` [INFO] [stderr] --> src/lib.rs:6:32 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::{BufReader, Read, BufRead}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `skipped` [INFO] [stderr] --> src/horspool.rs:21:17 [INFO] [stderr] | [INFO] [stderr] 21 | let skipped = Some(c); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skipped` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `skipped` [INFO] [stderr] --> src/horspool.rs:23:21 [INFO] [stderr] | [INFO] [stderr] 23 | let skipped = chars_iter.nth(to_skip - 2); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skipped` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/two_way_alg.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | let mut ell; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | find_in.read_to_string(&mut text); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | strings.read_to_string(&mut patterns); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `substring_algorithms` (lib) generated 11 warnings [INFO] [stderr] warning: `substring_algorithms` (lib test) generated 11 warnings (11 duplicates) [INFO] [stderr] warning: unused import: `hello` [INFO] [stderr] --> src/main.rs:1:43 [INFO] [stderr] | [INFO] [stderr] 1 | use substring_algorithms::{test_by_files, hello, TestResult}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Standard` [INFO] [stderr] --> src/main.rs:9:27 [INFO] [stderr] | [INFO] [stderr] 9 | use rand::distributions::{Standard, Alphanumeric}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | let mut find_in: String = thread_rng() [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let mut matching_strs: String = thread_rng() [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | test2_targets_file.write(test2_targets.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | test2_file.write(test2.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | result_test1_file.write(result_test1.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | result_test2_file.write(result_test1.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `substring_algorithms` (bin "substring_algorithms" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/substring_algorithms-c1f3512b0ab82c86) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test automata::automata_tests::test_indexes_4 ... ok [INFO] [stdout] test automata::automata_tests::test_matcher_1 ... ok [INFO] [stdout] test automata::automata_tests::test_indexes_2 ... ok [INFO] [stdout] test horspool::tests_horspool::test_casting ... ok [INFO] [stdout] test automata::automata_tests::test_matcher_3 ... ok [INFO] [stdout] test horspool::tests_horspool::test_horspool_1 ... ok [INFO] [stdout] test horspool::tests_horspool::test_horspool_2 ... ok [INFO] [stdout] test automata::automata_tests::test_matcher_fail_1 ... ok [INFO] [stdout] test horspool::tests_horspool::test_horspool_indexes ... ok [INFO] [stdout] test horspool::tests_horspool::test_horspool_indexes_1 ... ok [INFO] [stdout] test two_way_alg::tests_tw::test_tw_1 ... ok [INFO] [stdout] test two_way_alg::tests_tw::test_tw_indexes ... ok [INFO] [stdout] test two_way_alg::tests_tw::test_tw_2 ... ok [INFO] [stdout] test two_way_alg::tests_tw::test_tw_indexes_1 ... ok [INFO] [stdout] test automata::automata_tests::test_matcher_2 ... ok [INFO] [stdout] test automata::automata_tests::test_indexes_3 ... ok [INFO] [stdout] test automata::automata_tests::test_indexes_1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/substring_algorithms-8df7b244d938e178) [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] [stderr] Doc-tests substring_algorithms [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> /opt/rustwide/workdir/src/two_way_alg.rs:143:22 [INFO] [stderr] | [INFO] [stderr] 143 | j += (i - ell); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 143 - j += (i - ell); [INFO] [stderr] 143 + j += i - ell; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 1 warning 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" "9575b9112626c90cedb5b11f60989d4e10a76f58bea4e29d9756c7a55446b8e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9575b9112626c90cedb5b11f60989d4e10a76f58bea4e29d9756c7a55446b8e8", kill_on_drop: false }` [INFO] [stdout] 9575b9112626c90cedb5b11f60989d4e10a76f58bea4e29d9756c7a55446b8e8