[INFO] cloning repository https://github.com/hfytr/letterboxed [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hfytr/letterboxed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2Fletterboxed", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2Fletterboxed'... [INFO] [stderr] fatal: write error: No space left on device [INFO] [stderr] fatal: fetch-pack: invalid index-pack output [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/hfytr/letterboxed [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hfytr/letterboxed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2Fletterboxed", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2Fletterboxed'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c786835a4b53ef285728c4a02dc31a09fc42e12 [INFO] checking hfytr/letterboxed against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2Fletterboxed" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hfytr/letterboxed on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hfytr/letterboxed [INFO] finished tweaking git repo https://github.com/hfytr/letterboxed [INFO] tweaked toml for git repo https://github.com/hfytr/letterboxed written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hfytr/letterboxed 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 002dad518628ab6842f8060843f17e5506acef4d8171ad9b7a95c473c2308216 [INFO] running `Command { std: "docker" "start" "-a" "002dad518628ab6842f8060843f17e5506acef4d8171ad9b7a95c473c2308216", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "002dad518628ab6842f8060843f17e5506acef4d8171ad9b7a95c473c2308216", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "002dad518628ab6842f8060843f17e5506acef4d8171ad9b7a95c473c2308216", kill_on_drop: false }` [INFO] [stdout] 002dad518628ab6842f8060843f17e5506acef4d8171ad9b7a95c473c2308216 [INFO] checking hfytr/letterboxed against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfytr%2Fletterboxed" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hfytr/letterboxed on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hfytr/letterboxed [INFO] finished tweaking git repo https://github.com/hfytr/letterboxed [INFO] tweaked toml for git repo https://github.com/hfytr/letterboxed written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hfytr/letterboxed 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 625c6a1176aea69206b94adae77c342c7fe575e7c2aa959b3bb3e00096bfa695 [INFO] running `Command { std: "docker" "start" "-a" "625c6a1176aea69206b94adae77c342c7fe575e7c2aa959b3bb3e00096bfa695", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "625c6a1176aea69206b94adae77c342c7fe575e7c2aa959b3bb3e00096bfa695", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "625c6a1176aea69206b94adae77c342c7fe575e7c2aa959b3bb3e00096bfa695", kill_on_drop: false }` [INFO] [stdout] 625c6a1176aea69206b94adae77c342c7fe575e7c2aa959b3bb3e00096bfa695 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62f9cad6d88068005d05027a785cee5732a8d766677c1a3e649ef0b439839e1d [INFO] running `Command { std: "docker" "start" "-a" "62f9cad6d88068005d05027a785cee5732a8d766677c1a3e649ef0b439839e1d", kill_on_drop: false }` [INFO] [stderr] Checking letterboxed v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/letterbox/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct LetterBoxed { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 8 | letters: Vec>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | total_letters: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 10 | vis: Vec>>, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | used_letters: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 12 | num_used_letters: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 13 | index_from_letter: [(usize, usize); 26], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 14 | english_trie: Trie, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 15 | puzzle_trie: Trie, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `build_puzzle_trie`, `build_puzzle_trie_helper`, and `build_english_trie` are never used [INFO] [stdout] --> src/letterbox/builder.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl LetterBoxed { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 6 | pub fn new(letters: Vec>) -> LetterBoxed { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn build_puzzle_trie(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn build_puzzle_trie_helper( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn build_english_trie() -> Trie { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `post_process` is never used [INFO] [stdout] --> src/letterbox/solver.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn post_process(v: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `solve`, `helper`, `update`, and `undo` are never used [INFO] [stdout] --> src/letterbox/solver.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl LetterBoxed { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 13 | pub fn solve(&mut self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn helper(&mut self, last_ind: (usize, usize), to_beat: u8) -> Option> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | fn update(&mut self, s: &str, last_pos: (usize, usize)) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn undo(&mut self, s: &str, last_pos: (usize, usize)) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/trie.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Trie { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 3 | root: TrieNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Trie` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `children` and `is_key` are never read [INFO] [stdout] --> src/trie.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct TrieNode { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 8 | children: [Option>; 26], [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 9 | is_key: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TrieNode` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_num_let` is never used [INFO] [stdout] --> src/trie.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn get_num_let(c: usize) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_let_num` is never used [INFO] [stdout] --> src/trie.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get_let_num(c: u8) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `insert`, `query`, `get_children`, and `list_reversed_keys` are never used [INFO] [stdout] --> src/trie.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl TrieNode { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] 21 | fn insert(&mut self, key: &str, pos: u8) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn query(&self, key: &str, pos: u8) -> Option<&TrieNode> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn get_children(&self, key: &str) -> Option)>> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn list_reversed_keys(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/trie.rs:79:12 [INFO] [stdout] | [INFO] [stdout] 78 | impl Trie { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 79 | pub fn new() -> Trie { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn from_vec(vec: Vec) -> Trie { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn is_node(&self, key: &str) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | pub fn is_key(&self, key: &str) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn insert(&mut self, key: &str) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | pub fn get_children(&self, key: &str) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | pub fn list_reversed_keys(&self, key: &str) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_words` is never used [INFO] [stdout] --> src/words.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn get_words() -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_line` is never used [INFO] [stdout] --> src/words.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn parse_line(s: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `english_trie` is never read [INFO] [stdout] --> src/letterbox/mod.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct LetterBoxed { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | english_trie: Trie, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_children` is never used [INFO] [stdout] --> src/trie.rs:106:12 [INFO] [stdout] | [INFO] [stdout] 78 | impl Trie { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 106 | pub fn get_children(&self, key: &str) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "62f9cad6d88068005d05027a785cee5732a8d766677c1a3e649ef0b439839e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62f9cad6d88068005d05027a785cee5732a8d766677c1a3e649ef0b439839e1d", kill_on_drop: false }` [INFO] [stdout] 62f9cad6d88068005d05027a785cee5732a8d766677c1a3e649ef0b439839e1d