[INFO] cloning repository https://github.com/wormtql/rusty-parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wormtql/rusty-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwormtql%2Frusty-parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwormtql%2Frusty-parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b89732ee14c9ee5ed1f9eead2e8d7838cd850d0 [INFO] checking wormtql/rusty-parser against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwormtql%2Frusty-parser" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wormtql/rusty-parser on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wormtql/rusty-parser [INFO] finished tweaking git repo https://github.com/wormtql/rusty-parser [INFO] tweaked toml for git repo https://github.com/wormtql/rusty-parser written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/wormtql/rusty-parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prettytable-rs v0.8.0 [INFO] [stderr] Downloaded csv v1.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] adafe6c952c2c81b2fe325a4f5e11317ff0db4da622fe01a924a1a69fced0d18 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "adafe6c952c2c81b2fe325a4f5e11317ff0db4da622fe01a924a1a69fced0d18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "adafe6c952c2c81b2fe325a4f5e11317ff0db4da622fe01a924a1a69fced0d18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adafe6c952c2c81b2fe325a4f5e11317ff0db4da622fe01a924a1a69fced0d18", kill_on_drop: false }` [INFO] [stdout] adafe6c952c2c81b2fe325a4f5e11317ff0db4da622fe01a924a1a69fced0d18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85e930392d23a374916ec36f4e319f6201a4184e97da6de24e868ae2954583f9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "85e930392d23a374916ec36f4e319f6201a4184e97da6de24e868ae2954583f9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking bstr v0.2.12 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking grammar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/ll_table/mod.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::token::{TokenStream, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NonLeafNode` [INFO] [stdout] --> src/ll_table/mod.rs:4:36 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::parse_tree::{ParseTree, NonLeafNode}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/lr_table/mod.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::token::{TokenStream, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/lr_table/lalr_table.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::token::{TokenStream, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/lr0/lr0_item_set_family.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> src/lr0/lr0_item_set_family.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `VecDeque` [INFO] [stdout] --> src/lr1/lr1_item_set_family.rs:7:33 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::{HashMap, VecDeque}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> src/lr1/lr1_item_set_family.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::lr1_item_set::LR1ItemSet` [INFO] [stdout] --> src/lr1/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use self::lr1_item_set::LR1ItemSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::grammar::letter::Letter` [INFO] [stdout] --> src/parse_tree/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::grammar::letter::Letter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ActionTableItem`, `LRTable` [INFO] [stdout] --> src/parse_tree/mod.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::lr_table::{LRTable, ActionTableItem}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TokenStream` [INFO] [stdout] --> src/parse_tree/mod.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::token::{TokenStream, Token}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils` [INFO] [stdout] --> src/automaton/dfa.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::utils; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/automaton/dfa.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | 'bigloop: loop { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/automaton/dfa.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | 'everysplit: for p in split.iter() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/automaton/dfa.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | 'everyletter: for letter in self.letters.iter() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils` [INFO] [stdout] --> src/optimization/du.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::utils; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/ll_table/mod.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::token::{TokenStream, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NonLeafNode` [INFO] [stdout] --> src/ll_table/mod.rs:4:36 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::parse_tree::{ParseTree, NonLeafNode}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/lr_table/mod.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::token::{TokenStream, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/lr_table/lalr_table.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::token::{TokenStream, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/lr0/lr0_item_set_family.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> src/lr0/lr0_item_set_family.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `VecDeque` [INFO] [stdout] --> src/lr1/lr1_item_set_family.rs:7:33 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::{HashMap, VecDeque}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> src/lr1/lr1_item_set_family.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::lr1_item_set::LR1ItemSet` [INFO] [stdout] --> src/lr1/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use self::lr1_item_set::LR1ItemSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::grammar::letter::Letter` [INFO] [stdout] --> src/parse_tree/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::grammar::letter::Letter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ActionTableItem`, `LRTable` [INFO] [stdout] --> src/parse_tree/mod.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::lr_table::{LRTable, ActionTableItem}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TokenStream` [INFO] [stdout] --> src/parse_tree/mod.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::token::{TokenStream, Token}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils` [INFO] [stdout] --> src/automaton/dfa.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::utils; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/automaton/dfa.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | 'bigloop: loop { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/automaton/dfa.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | 'everysplit: for p in split.iter() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/automaton/dfa.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | 'everyletter: for letter in self.letters.iter() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils` [INFO] [stdout] --> src/optimization/du.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::utils; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree_stack` [INFO] [stdout] --> src/ll_table/mod.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut tree_stack: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_stack` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lr1/mod.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | for (i, item_set) in data.item_sets.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/optimization/dominant.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | for i in 0..lines.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `uses` [INFO] [stdout] --> src/optimization/ud.rs:56:27 [INFO] [stdout] | [INFO] [stdout] 56 | for (point, left, uses) in block.iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_uses` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/letter.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut temp = match self { [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: `tree_stack` [INFO] [stdout] --> src/ll_table/mod.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut tree_stack: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_stack` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lr1/mod.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | for (i, item_set) in data.item_sets.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/optimization/dominant.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | for i in 0..lines.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `uses` [INFO] [stdout] --> src/optimization/ud.rs:56:27 [INFO] [stdout] | [INFO] [stdout] 56 | for (point, left, uses) in block.iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_uses` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/letter.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut temp = match self { [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: variable does not need to be mutable [INFO] [stdout] --> src/ll_table/mod.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut tree_stack: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr_table/mod.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut letter_stream: Vec = token_stream.stream.iter().map( [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr_table/mod.rs:292:13 [INFO] [stdout] | [INFO] [stdout] 292 | let mut letter_stream: Vec = token_stream.stream.iter().map( [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ll_table/mod.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut tree_stack: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr_table/lalr_table.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let mut letter_stream: Vec = token_stream.stream.iter().map( [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr_table/mod.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut letter_stream: Vec = token_stream.stream.iter().map( [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr0/lr0_item_set_family.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | let mut shuffle = &mut signs[..]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr_table/mod.rs:292:13 [INFO] [stdout] | [INFO] [stdout] 292 | let mut letter_stream: Vec = token_stream.stream.iter().map( [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr_table/lalr_table.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let mut letter_stream: Vec = token_stream.stream.iter().map( [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr1/lr1_item_set_family.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | let mut shuffle = &mut signs[..]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr0/lr0_item_set_family.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | let mut shuffle = &mut signs[..]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lr1/lr1_item_set_family.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | let mut shuffle = &mut signs[..]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parse_tree/mod.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | state.serialize_field("children", &n.children); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 29 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parse_tree/mod.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | state.serialize_field("children", &n.children); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 29 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::lr_table::LRTable` [INFO] [stdout] --> src/bin/exam.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use grammar::lr_table::LRTable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::first_follow_set::FirstFollowSet` [INFO] [stdout] --> src/bin/parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use grammar::first_follow_set::FirstFollowSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::parse_tree::ParseTree` [INFO] [stdout] --> src/bin/exam.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use grammar::parse_tree::ParseTree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/bin/exam.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/bin/exam.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::lr0::lr0_item_set_family::LR0ItemSetFamily` [INFO] [stdout] --> src/bin/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use grammar::lr0::lr0_item_set_family::LR0ItemSetFamily; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::lr1::lr1_item_set_family::LR1ItemSetFamily` [INFO] [stdout] --> src/bin/parser.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use grammar::lr1::lr1_item_set_family::LR1ItemSetFamily; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `lalr1`, `ll1` [INFO] [stdout] --> src/bin/parser.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | use grammar::{lr0, slr1, ll1, lr1, lalr1}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::parse_tree::ParseTree` [INFO] [stdout] --> src/bin/parser.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use grammar::parse_tree::ParseTree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/parser.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | let mut grammar = Grammar::from_advanced_file(&f).unwrap(); [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 import: `std::io::prelude` [INFO] [stdout] --> src/bin/exam.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parse_tree` [INFO] [stdout] --> src/bin/exam.rs:360:14 [INFO] [stdout] | [INFO] [stdout] 360 | let (parse_tree, table) = ll_table.analysis_with_process(&token_stream, g.origin.clone()); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parse_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/parser.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | file.write_all(serialized.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/parser.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | outf.write_all(json.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::first_follow_set::FirstFollowSet` [INFO] [stdout] --> src/bin/parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use grammar::first_follow_set::FirstFollowSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::lr0::lr0_item_set_family::LR0ItemSetFamily` [INFO] [stdout] --> src/bin/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use grammar::lr0::lr0_item_set_family::LR0ItemSetFamily; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::lr1::lr1_item_set_family::LR1ItemSetFamily` [INFO] [stdout] --> src/bin/parser.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use grammar::lr1::lr1_item_set_family::LR1ItemSetFamily; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `lalr1`, `ll1` [INFO] [stdout] --> src/bin/parser.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | use grammar::{lr0, slr1, ll1, lr1, lalr1}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::parse_tree::ParseTree` [INFO] [stdout] --> src/bin/parser.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use grammar::parse_tree::ParseTree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/parser.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | let mut grammar = Grammar::from_advanced_file(&f).unwrap(); [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 import: `grammar::lr_table::LRTable` [INFO] [stdout] --> src/bin/exam.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use grammar::lr_table::LRTable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `grammar::parse_tree::ParseTree` [INFO] [stdout] --> src/bin/exam.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use grammar::parse_tree::ParseTree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/bin/exam.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/bin/exam.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/parser.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | file.write_all(serialized.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/parser.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | outf.write_all(json.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/exam.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/bin/exam.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parse_tree` [INFO] [stdout] --> src/bin/exam.rs:360:14 [INFO] [stdout] | [INFO] [stdout] 360 | let (parse_tree, table) = ll_table.analysis_with_process(&token_stream, g.origin.clone()); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parse_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/exam.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.94s [INFO] running `Command { std: "docker" "inspect" "85e930392d23a374916ec36f4e319f6201a4184e97da6de24e868ae2954583f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85e930392d23a374916ec36f4e319f6201a4184e97da6de24e868ae2954583f9", kill_on_drop: false }` [INFO] [stdout] 85e930392d23a374916ec36f4e319f6201a4184e97da6de24e868ae2954583f9