[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] building robert-king/rust-wordle-solver against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [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] validating manifest of git repo https://github.com/robert-king/rust-wordle-solver on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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] 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d56298703ce3e67a3c7707cc07564ac0034d0feb968dd8937af92a6359e16ed [INFO] running `Command { std: "docker" "start" "-a" "8d56298703ce3e67a3c7707cc07564ac0034d0feb968dd8937af92a6359e16ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d56298703ce3e67a3c7707cc07564ac0034d0feb968dd8937af92a6359e16ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d56298703ce3e67a3c7707cc07564ac0034d0feb968dd8937af92a6359e16ed", kill_on_drop: false }` [INFO] [stdout] 8d56298703ce3e67a3c7707cc07564ac0034d0feb968dd8937af92a6359e16ed [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8eb9cc68d188d5214542350964a1a25f613d886167226f10a0dba940450fcb7e [INFO] running `Command { std: "docker" "start" "-a" "8eb9cc68d188d5214542350964a1a25f613d886167226f10a0dba940450fcb7e", kill_on_drop: false }` [INFO] [stderr] Compiling 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] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.10.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling num_cpus v1.15.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rayon v1.6.1 [INFO] [stderr] Compiling 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.56s [INFO] running `Command { std: "docker" "inspect" "8eb9cc68d188d5214542350964a1a25f613d886167226f10a0dba940450fcb7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8eb9cc68d188d5214542350964a1a25f613d886167226f10a0dba940450fcb7e", kill_on_drop: false }` [INFO] [stdout] 8eb9cc68d188d5214542350964a1a25f613d886167226f10a0dba940450fcb7e [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af315bd7857989ba4eddaf49875ed79f47e8132329c39bdbb94beeeaa5f5e55e [INFO] running `Command { std: "docker" "start" "-a" "af315bd7857989ba4eddaf49875ed79f47e8132329c39bdbb94beeeaa5f5e55e", kill_on_drop: false }` [INFO] [stderr] Compiling 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "af315bd7857989ba4eddaf49875ed79f47e8132329c39bdbb94beeeaa5f5e55e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af315bd7857989ba4eddaf49875ed79f47e8132329c39bdbb94beeeaa5f5e55e", kill_on_drop: false }` [INFO] [stdout] af315bd7857989ba4eddaf49875ed79f47e8132329c39bdbb94beeeaa5f5e55e