[INFO] cloning repository https://github.com/OgGhostJelly/word_scramble_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OgGhostJelly/word_scramble_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOgGhostJelly%2Fword_scramble_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOgGhostJelly%2Fword_scramble_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2a3edda67a9aae11926c4704e489ef11bbd3828
[INFO] checking OgGhostJelly/word_scramble_solver against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOgGhostJelly%2Fword_scramble_solver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/OgGhostJelly/word_scramble_solver
[INFO] finished tweaking git repo https://github.com/OgGhostJelly/word_scramble_solver
[INFO] tweaked toml for git repo https://github.com/OgGhostJelly/word_scramble_solver written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OgGhostJelly/word_scramble_solver on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/OgGhostJelly/word_scramble_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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.196
[INFO] [stderr]   Downloaded serde v1.0.196
[INFO] [stderr]   Downloaded serde_json v1.0.113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5801747237eb7b09bf22f92f7e703bb79d5a068bff402e86e1fd206316f1eda5
[INFO] running `Command { std: "docker" "start" "-a" "5801747237eb7b09bf22f92f7e703bb79d5a068bff402e86e1fd206316f1eda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5801747237eb7b09bf22f92f7e703bb79d5a068bff402e86e1fd206316f1eda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5801747237eb7b09bf22f92f7e703bb79d5a068bff402e86e1fd206316f1eda5", kill_on_drop: false }`
[INFO] [stdout] 5801747237eb7b09bf22f92f7e703bb79d5a068bff402e86e1fd206316f1eda5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca97edb607a705c0da3eb19d2729f04055674a01939e92fa067ad68f245a62cd
[INFO] running `Command { std: "docker" "start" "-a" "ca97edb607a705c0da3eb19d2729f04055674a01939e92fa067ad68f245a62cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking word_scramble_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]  --> src/trie.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Trie<T> {
[INFO] [stdout]   |           ---- method in this trait
[INFO] [stdout] 7 |     fn insert(&mut self, value: impl IntoIterator<Item = T>);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/trie.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<T: Eq + Hash> HashMapTrie<T> {
[INFO] [stdout]    | --------------------------------- associated function in this implementation
[INFO] [stdout] 36 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]  --> src/trie.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Trie<T> {
[INFO] [stdout]   |           ---- method in this trait
[INFO] [stdout] 7 |     fn insert(&mut self, value: impl IntoIterator<Item = T>);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/trie.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<T: Eq + Hash> HashMapTrie<T> {
[INFO] [stdout]    | --------------------------------- associated function in this implementation
[INFO] [stdout] 36 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "ca97edb607a705c0da3eb19d2729f04055674a01939e92fa067ad68f245a62cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca97edb607a705c0da3eb19d2729f04055674a01939e92fa067ad68f245a62cd", kill_on_drop: false }`
[INFO] [stdout] ca97edb607a705c0da3eb19d2729f04055674a01939e92fa067ad68f245a62cd
