[INFO] cloning repository https://github.com/hul0/jigsaw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hul0/jigsaw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhul0%2Fjigsaw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhul0%2Fjigsaw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acde7bcf0cd38e5bb38f11dcbff9a7e83f24fcae
[INFO] checking hul0/jigsaw against master#c290daa1e5274a52e54a0f49e31bd70192abc606 for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhul0%2Fjigsaw" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/hul0/jigsaw
[INFO] finished tweaking git repo https://github.com/hul0/jigsaw
[INFO] tweaked toml for git repo https://github.com/hul0/jigsaw written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hul0/jigsaw on toolchain c290daa1e5274a52e54a0f49e31bd70192abc606
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hul0/jigsaw 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" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "e77adc5d217ed09cc79effa15e634d95dde66f0e05329603fb4eeff16a8d15a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e77adc5d217ed09cc79effa15e634d95dde66f0e05329603fb4eeff16a8d15a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e77adc5d217ed09cc79effa15e634d95dde66f0e05329603fb4eeff16a8d15a2" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e77adc5d217ed09cc79effa15e634d95dde66f0e05329603fb4eeff16a8d15a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e77adc5d217ed09cc79effa15e634d95dde66f0e05329603fb4eeff16a8d15a2" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/engine/markov.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, BufRead, BufReader};
[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: `self`
[INFO] [stdout]  --> src/engine/markov.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, BufRead, BufReader};
[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: `rayon::prelude`
[INFO] [stdout]  --> src/engine/mask.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/mask.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn nth_candidate(&self, mut index: u128) -> Option<Vec<u8>> {
[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: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/engine/mask.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/mask.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn nth_candidate(&self, mut index: u128) -> Option<Vec<u8>> {
[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: unused import: `Rule`
[INFO] [stdout]  --> benches/core_bench.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use jigsaw::engine::rules::{Rule, RuleSet};
[INFO] [stdout]   |                             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]  --> benches/core_bench.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/core_bench.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 black_box(item);
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/core_bench.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             black_box(mask.nth_candidate(black_box(1234)));
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/core_bench.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 |             black_box(mask.nth_candidate(black_box(1234)));
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/core_bench.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             black_box(buf);
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/core_bench.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut candidate = b"password".to_vec();
[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: unused import: `Charset`
[INFO] [stdout]  --> tests/mask_tests.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use jigsaw::engine::mask::{Mask, Charset};
[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: `self`
[INFO] [stdout]  --> src/engine/markov.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, BufRead, BufReader};
[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: `GenerationLevel`
[INFO] [stdout]  --> src/main.rs:8:53
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cli::args::{JigsawArgs, Commands, OutputFormat, GenerationLevel, MemStyle, MemCase, NumPosition};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/engine/markov.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, BufRead, BufReader};
[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: `GenerationLevel`
[INFO] [stdout]  --> src/main.rs:8:53
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cli::args::{JigsawArgs, Commands, OutputFormat, GenerationLevel, MemStyle, MemCase, NumPosition};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/engine/mask.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/mask.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn nth_candidate(&self, mut index: u128) -> Option<Vec<u8>> {
[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: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/engine/mask.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/mask.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn nth_candidate(&self, mut index: u128) -> Option<Vec<u8>> {
[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: enum `Rule` is never used
[INFO] [stdout]  --> src/engine/rules.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Rule {
[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 `apply` is never used
[INFO] [stdout]   --> src/engine/rules.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Rule {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 20 |     pub fn apply(&self, candidate: &mut Vec<u8>) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RuleSet` is never constructed
[INFO] [stdout]   --> src/engine/rules.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct RuleSet {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `apply` are never used
[INFO] [stdout]   --> src/engine/rules.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl RuleSet {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 82 |     pub fn new(rules: Vec<Rule>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn apply(&self, candidate: &mut Vec<u8>) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/engine/rules.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl RuleSet {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 82 |     pub fn new(rules: Vec<Rule>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "e77adc5d217ed09cc79effa15e634d95dde66f0e05329603fb4eeff16a8d15a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77adc5d217ed09cc79effa15e634d95dde66f0e05329603fb4eeff16a8d15a2", kill_on_drop: false }`
[INFO] [stdout] e77adc5d217ed09cc79effa15e634d95dde66f0e05329603fb4eeff16a8d15a2
