[INFO] cloning repository https://github.com/rmsimpsonau/SquardleSolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmsimpsonau/SquardleSolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmsimpsonau%2FSquardleSolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmsimpsonau%2FSquardleSolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f30cbff1476f27db8692609b67b441208483bb17
[INFO] building rmsimpsonau/SquardleSolver 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%2Frmsimpsonau%2FSquardleSolver" "/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/rmsimpsonau/SquardleSolver 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/rmsimpsonau/SquardleSolver
[INFO] finished tweaking git repo https://github.com/rmsimpsonau/SquardleSolver
[INFO] tweaked toml for git repo https://github.com/rmsimpsonau/SquardleSolver written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rmsimpsonau/SquardleSolver 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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c7e5465a38fd8f11d243f51971dd0b8797c1c9d59fa03b653662bc70110b765
[INFO] running `Command { std: "docker" "start" "-a" "4c7e5465a38fd8f11d243f51971dd0b8797c1c9d59fa03b653662bc70110b765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c7e5465a38fd8f11d243f51971dd0b8797c1c9d59fa03b653662bc70110b765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7e5465a38fd8f11d243f51971dd0b8797c1c9d59fa03b653662bc70110b765", kill_on_drop: false }`
[INFO] [stdout] 4c7e5465a38fd8f11d243f51971dd0b8797c1c9d59fa03b653662bc70110b765
[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 -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] bfbfc56c7c10b0a873e68fb15593f62d44433d15b664948437e9b3a28ec35c21
[INFO] running `Command { std: "docker" "start" "-a" "bfbfc56c7c10b0a873e68fb15593f62d44433d15b664948437e9b3a28ec35c21", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[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 squardle-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/solution_checker.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |     for (index, word) in remaining_words.iter().enumerate() {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word`
[INFO] [stdout]   --> src/solution_checker.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     for (index, word) in remaining_words.iter().enumerate() {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_word_combination_possibilities` is never used
[INFO] [stdout]   --> src/solution_checker.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn check_word_combination_possibilities(remaining_words: &HashMap<i8, Vec<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 3.77s
[INFO] running `Command { std: "docker" "inspect" "bfbfc56c7c10b0a873e68fb15593f62d44433d15b664948437e9b3a28ec35c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfbfc56c7c10b0a873e68fb15593f62d44433d15b664948437e9b3a28ec35c21", kill_on_drop: false }`
[INFO] [stdout] bfbfc56c7c10b0a873e68fb15593f62d44433d15b664948437e9b3a28ec35c21
[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 -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] 708c30266d354b2782986191a3d435b1d329c5774739e024b735691a2cbbe563
[INFO] running `Command { std: "docker" "start" "-a" "708c30266d354b2782986191a3d435b1d329c5774739e024b735691a2cbbe563", kill_on_drop: false }`
[INFO] [stderr]    Compiling squardle-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/solution_checker.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |     for (index, word) in remaining_words.iter().enumerate() {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word`
[INFO] [stdout]   --> src/solution_checker.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     for (index, word) in remaining_words.iter().enumerate() {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_word_combination_possibilities` is never used
[INFO] [stdout]   --> src/solution_checker.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn check_word_combination_possibilities(remaining_words: &HashMap<i8, Vec<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 0.59s
[INFO] running `Command { std: "docker" "inspect" "708c30266d354b2782986191a3d435b1d329c5774739e024b735691a2cbbe563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708c30266d354b2782986191a3d435b1d329c5774739e024b735691a2cbbe563", kill_on_drop: false }`
[INFO] [stdout] 708c30266d354b2782986191a3d435b1d329c5774739e024b735691a2cbbe563