[INFO] cloning repository https://github.com/robert-king/rust-wordle-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robert-king/rust-wordle-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-king%2Frust-wordle-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-king%2Frust-wordle-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e2d9e580f0731e0c7c2981d4a79d22c336af90f
[INFO] checking robert-king/rust-wordle-solver against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-king%2Frust-wordle-solver" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/robert-king/rust-wordle-solver
[INFO] finished tweaking git repo https://github.com/robert-king/rust-wordle-solver
[INFO] tweaked toml for git repo https://github.com/robert-king/rust-wordle-solver written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/robert-king/rust-wordle-solver on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/robert-king/rust-wordle-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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b431784eda3ba16cad8f39ad3305041533cdc4bc8dc8675fba9ff70f901a9a5
[INFO] running `Command { std: "docker" "start" "-a" "0b431784eda3ba16cad8f39ad3305041533cdc4bc8dc8675fba9ff70f901a9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b431784eda3ba16cad8f39ad3305041533cdc4bc8dc8675fba9ff70f901a9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b431784eda3ba16cad8f39ad3305041533cdc4bc8dc8675fba9ff70f901a9a5", kill_on_drop: false }`
[INFO] [stdout] 0b431784eda3ba16cad8f39ad3305041533cdc4bc8dc8675fba9ff70f901a9a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70dc04d59234ff4caed283734b77a809c729b0d034e9192b4bf35923b90332db
[INFO] running `Command { std: "docker" "start" "-a" "70dc04d59234ff4caed283734b77a809c729b0d034e9192b4bf35923b90332db", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking rust-wordle-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `word_pattern_valid`
[INFO] [stdout]   --> src/faster.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (word_pattern_valid, ans_guess_pattern) = build_patterns(&words);
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_pattern_valid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ans_guess_pattern`
[INFO] [stdout]   --> src/faster.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (word_pattern_valid, ans_guess_pattern) = build_patterns(&words);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ans_guess_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tot`
[INFO] [stdout]   --> src/faster.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut tot = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/faster.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut tot = 0;
[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 variable: `max_count`
[INFO] [stdout]    --> src/faster.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let mut max_count = 5;
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/faster.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let mut max_count = 5;
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]    --> src/faster.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 127 | struct Word {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 131 |     w: String,
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word_pattern_valid`
[INFO] [stdout]   --> src/faster.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (word_pattern_valid, ans_guess_pattern) = build_patterns(&words);
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_pattern_valid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ans_guess_pattern`
[INFO] [stdout]   --> src/faster.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (word_pattern_valid, ans_guess_pattern) = build_patterns(&words);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ans_guess_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tot`
[INFO] [stdout]   --> src/faster.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut tot = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/faster.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut tot = 0;
[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 variable: `max_count`
[INFO] [stdout]    --> src/faster.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let mut max_count = 5;
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/faster.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let mut max_count = 5;
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]    --> src/faster.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 127 | struct Word {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 131 |     w: String,
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "70dc04d59234ff4caed283734b77a809c729b0d034e9192b4bf35923b90332db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70dc04d59234ff4caed283734b77a809c729b0d034e9192b4bf35923b90332db", kill_on_drop: false }`
[INFO] [stdout] 70dc04d59234ff4caed283734b77a809c729b0d034e9192b4bf35923b90332db
