[INFO] cloning repository https://github.com/undergg/anagram-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/undergg/anagram-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundergg%2Fanagram-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundergg%2Fanagram-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a4f129a3187dff16c12ef9a090b68d7ee317190c [INFO] checking undergg/anagram-solver against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundergg%2Fanagram-solver" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/undergg/anagram-solver on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/undergg/anagram-solver [INFO] finished tweaking git repo https://github.com/undergg/anagram-solver [INFO] tweaked toml for git repo https://github.com/undergg/anagram-solver written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/undergg/anagram-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b08be70b1b1fb7316b3214fe823754abe60a824e0e58437cb7eacf8e46e975a1 [INFO] running `Command { std: "docker" "start" "-a" "b08be70b1b1fb7316b3214fe823754abe60a824e0e58437cb7eacf8e46e975a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b08be70b1b1fb7316b3214fe823754abe60a824e0e58437cb7eacf8e46e975a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b08be70b1b1fb7316b3214fe823754abe60a824e0e58437cb7eacf8e46e975a1", kill_on_drop: false }` [INFO] [stdout] b08be70b1b1fb7316b3214fe823754abe60a824e0e58437cb7eacf8e46e975a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4330fc8c5ed6801d8f6e054a411d6bdd841afeddfa41e40ed388ea00b585aaa [INFO] running `Command { std: "docker" "start" "-a" "f4330fc8c5ed6801d8f6e054a411d6bdd841afeddfa41e40ed388ea00b585aaa", kill_on_drop: false }` [INFO] [stderr] Checking anagram-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::trie::Trie` [INFO] [stdout] --> src/solver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::trie::Trie; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `todo` [INFO] [stdout] --> src/solver.rs:2:44 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{collections::{HashMap, HashSet}, todo}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::trie::Trie` [INFO] [stdout] --> src/solver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::trie::Trie; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `todo` [INFO] [stdout] --> src/solver.rs:2:44 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{collections::{HashMap, HashSet}, todo}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete` [INFO] [stdout] --> src/trie.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn delete(&mut self, item: &str) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains` [INFO] [stdout] --> src/trie.rs:59:12 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn contains(&self, item: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `delete_helper` [INFO] [stdout] --> src/trie.rs:98:4 [INFO] [stdout] | [INFO] [stdout] 98 | fn delete_helper(node: &mut TrieNode, c_iter: &mut Chars, delete_node: &mut bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `contains_helper` [INFO] [stdout] --> src/trie.rs:150:4 [INFO] [stdout] | [INFO] [stdout] 150 | fn contains_helper(node: &TrieNode, c_iter: &mut Chars) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "f4330fc8c5ed6801d8f6e054a411d6bdd841afeddfa41e40ed388ea00b585aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4330fc8c5ed6801d8f6e054a411d6bdd841afeddfa41e40ed388ea00b585aaa", kill_on_drop: false }` [INFO] [stdout] f4330fc8c5ed6801d8f6e054a411d6bdd841afeddfa41e40ed388ea00b585aaa