[INFO] cloning repository https://github.com/Northcode/rustTokenizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Northcode/rustTokenizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNorthcode%2FrustTokenizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNorthcode%2FrustTokenizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9f2754f05acdf9ff495fab0b112dad9f33761b5
[INFO] building Northcode/rustTokenizer against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNorthcode%2FrustTokenizer" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Northcode/rustTokenizer on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Northcode/rustTokenizer
[INFO] finished tweaking git repo https://github.com/Northcode/rustTokenizer
[INFO] tweaked toml for git repo https://github.com/Northcode/rustTokenizer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Northcode/rustTokenizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[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" "6d455cf71913404fc0e64aee2670387edb85ba5d17f16065123a855f5796b352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d455cf71913404fc0e64aee2670387edb85ba5d17f16065123a855f5796b352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d455cf71913404fc0e64aee2670387edb85ba5d17f16065123a855f5796b352", kill_on_drop: false }`
[INFO] [stdout] 6d455cf71913404fc0e64aee2670387edb85ba5d17f16065123a855f5796b352
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[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28b1f9dfbe8c6b96336828c8e3420108fc5e35feab6a39a3398f6cebbb848e10
[INFO] running `Command { std: "docker" "start" "-a" "28b1f9dfbe8c6b96336828c8e3420108fc5e35feab6a39a3398f6cebbb848e10", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |         postprocfns: HashMap<TokenTypeId, Box<Fn(Token) -> T>>
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:40:85
[INFO] [stdout]    |
[INFO] [stdout] 40 |         pub fn add_postprocfn_boxed(&mut self, for_id: TokenTypeId, postprocfn: Box<Fn(Token) -> T>) -> () {
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     reductions: Vec<(Box<Fn(&Vec<ParseValue<T,N>>) -> bool>, 
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<ParseValue<T,N>>) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |                      Box<Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>>)>
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rtok/parser.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut new_vec = new_input;
[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: associated function is never used: `new`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |         pub fn new() -> BasicPostProcessor<T> {
[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: `add_postprocfn_boxed`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         pub fn add_postprocfn_boxed(&mut self, for_id: TokenTypeId, postprocfn: Box<Fn(Token) -> T>) -> () {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_postprocfn`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub fn add_postprocfn<F>(&mut self, for_id: TokenTypeId, postprocfn: F) -> ()
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Matcher`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct Matcher {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn new(pattern: Regex, to_type: TokenTypeId) -> Matcher {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `First`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     First,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Longest`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     Longest,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Shortest`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Shortest,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tokenizer`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct Tokenizer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn new(priority: MatcherPriority) -> Tokenizer {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn make(priority: MatcherPriority, matchers: Vec<(&str, TokenTypeId)>) -> Tokenizer {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_matcher`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn add_matcher(&mut self, matcher: Matcher) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tokenize`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn tokenize<'a>(&self, input: &'a String) -> Vec<Token<'a>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_length`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 fn match_length(m: &Captures) -> usize {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Token`
[INFO] [stdout]  --> src/rtok/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Token(T),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Reduced`
[INFO] [stdout]  --> src/rtok/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Reduced(N),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]  --> src/rtok/parser.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Parser<T,N> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ParseAction`
[INFO] [stdout]   --> src/rtok/parser.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum ParseAction {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/rtok/parser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoActions`
[INFO] [stdout]   --> src/rtok/parser.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidReduction`
[INFO] [stdout]   --> src/rtok/parser.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidToken`
[INFO] [stdout]   --> src/rtok/parser.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotImpl`
[INFO] [stdout]   --> src/rtok/parser.rs:26:60
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |                                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rtok/parser.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(input: Vec<T>) -> Parser<T,N> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_input`
[INFO] [stdout]   --> src/rtok/parser.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push_input(&mut self, new_input: Vec<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shift`
[INFO] [stdout]   --> src/rtok/parser.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn shift(&mut self) -> Result<(), ParseError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_rule`
[INFO] [stdout]   --> src/rtok/parser.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add_rule<C,R>(&mut self, checker: C, reduction: R)
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reduce`
[INFO] [stdout]   --> src/rtok/parser.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn reduce(&mut self, idx: usize) -> Result<(), ParseError> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `determine_action`
[INFO] [stdout]   --> src/rtok/parser.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn determine_action(&self) -> ParseAction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]   --> src/rtok/parser.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn step(&mut self) -> Result<bool, ParseError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_stack`
[INFO] [stdout]    --> src/rtok/parser.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn print_stack(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_print_stack`
[INFO] [stdout]    --> src/rtok/parser.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn debug_print_stack(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |         postprocfns: HashMap<TokenTypeId, Box<Fn(Token) -> T>>
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:40:85
[INFO] [stdout]    |
[INFO] [stdout] 40 |         pub fn add_postprocfn_boxed(&mut self, for_id: TokenTypeId, postprocfn: Box<Fn(Token) -> T>) -> () {
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     reductions: Vec<(Box<Fn(&Vec<ParseValue<T,N>>) -> bool>, 
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<ParseValue<T,N>>) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |                      Box<Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>>)>
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rtok::parser::ParseValue::Token as PT`
[INFO] [stdout]   --> src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         use rtok::parser::ParseValue::Token as PT;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rtok/parser.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut new_vec = new_input;
[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: variant is never constructed: `Shortest`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Shortest,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoActions`
[INFO] [stdout]   --> src/rtok/parser.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotImpl`
[INFO] [stdout]   --> src/rtok/parser.rs:26:60
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |                                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_input`
[INFO] [stdout]   --> src/rtok/parser.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push_input(&mut self, new_input: Vec<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_stack`
[INFO] [stdout]    --> src/rtok/parser.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn print_stack(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `AstVec`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | type AstVec = Vec<AstPtr>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.26s
[INFO] running `Command { std: "docker" "inspect" "28b1f9dfbe8c6b96336828c8e3420108fc5e35feab6a39a3398f6cebbb848e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b1f9dfbe8c6b96336828c8e3420108fc5e35feab6a39a3398f6cebbb848e10", kill_on_drop: false }`
[INFO] [stdout] 28b1f9dfbe8c6b96336828c8e3420108fc5e35feab6a39a3398f6cebbb848e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7342d5e280fd8d7fceb3ff80ef44ca50093d134918262876e05d7c12e4c366b4
[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" "7342d5e280fd8d7fceb3ff80ef44ca50093d134918262876e05d7c12e4c366b4", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |         postprocfns: HashMap<TokenTypeId, Box<Fn(Token) -> T>>
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:40:85
[INFO] [stdout]    |
[INFO] [stdout] 40 |         pub fn add_postprocfn_boxed(&mut self, for_id: TokenTypeId, postprocfn: Box<Fn(Token) -> T>) -> () {
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     reductions: Vec<(Box<Fn(&Vec<ParseValue<T,N>>) -> bool>, 
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<ParseValue<T,N>>) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |                      Box<Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>>)>
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rtok/parser.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut new_vec = new_input;
[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: associated function is never used: `new`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |         pub fn new() -> BasicPostProcessor<T> {
[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: `add_postprocfn_boxed`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         pub fn add_postprocfn_boxed(&mut self, for_id: TokenTypeId, postprocfn: Box<Fn(Token) -> T>) -> () {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_postprocfn`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub fn add_postprocfn<F>(&mut self, for_id: TokenTypeId, postprocfn: F) -> ()
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Matcher`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct Matcher {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn new(pattern: Regex, to_type: TokenTypeId) -> Matcher {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `First`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     First,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Longest`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     Longest,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Shortest`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Shortest,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tokenizer`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct Tokenizer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn new(priority: MatcherPriority) -> Tokenizer {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn make(priority: MatcherPriority, matchers: Vec<(&str, TokenTypeId)>) -> Tokenizer {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_matcher`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn add_matcher(&mut self, matcher: Matcher) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tokenize`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn tokenize<'a>(&self, input: &'a String) -> Vec<Token<'a>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_length`
[INFO] [stdout]    --> src/rtok/tokenizer.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 fn match_length(m: &Captures) -> usize {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Token`
[INFO] [stdout]  --> src/rtok/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Token(T),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Reduced`
[INFO] [stdout]  --> src/rtok/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Reduced(N),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]  --> src/rtok/parser.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Parser<T,N> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ParseAction`
[INFO] [stdout]   --> src/rtok/parser.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum ParseAction {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/rtok/parser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoActions`
[INFO] [stdout]   --> src/rtok/parser.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidReduction`
[INFO] [stdout]   --> src/rtok/parser.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidToken`
[INFO] [stdout]   --> src/rtok/parser.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotImpl`
[INFO] [stdout]   --> src/rtok/parser.rs:26:60
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |                                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rtok/parser.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(input: Vec<T>) -> Parser<T,N> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_input`
[INFO] [stdout]   --> src/rtok/parser.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push_input(&mut self, new_input: Vec<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shift`
[INFO] [stdout]   --> src/rtok/parser.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn shift(&mut self) -> Result<(), ParseError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_rule`
[INFO] [stdout]   --> src/rtok/parser.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add_rule<C,R>(&mut self, checker: C, reduction: R)
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reduce`
[INFO] [stdout]   --> src/rtok/parser.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn reduce(&mut self, idx: usize) -> Result<(), ParseError> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `determine_action`
[INFO] [stdout]   --> src/rtok/parser.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn determine_action(&self) -> ParseAction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]   --> src/rtok/parser.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn step(&mut self) -> Result<bool, ParseError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_stack`
[INFO] [stdout]    --> src/rtok/parser.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn print_stack(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `debug_print_stack`
[INFO] [stdout]    --> src/rtok/parser.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn debug_print_stack(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |         postprocfns: HashMap<TokenTypeId, Box<Fn(Token) -> T>>
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:40:85
[INFO] [stdout]    |
[INFO] [stdout] 40 |         pub fn add_postprocfn_boxed(&mut self, for_id: TokenTypeId, postprocfn: Box<Fn(Token) -> T>) -> () {
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     reductions: Vec<(Box<Fn(&Vec<ParseValue<T,N>>) -> bool>, 
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<ParseValue<T,N>>) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |                      Box<Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>>)>
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rtok::parser::ParseValue::Token as PT`
[INFO] [stdout]   --> src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         use rtok::parser::ParseValue::Token as PT;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `->`
[INFO] [stdout]    --> src/lib.rs:249:35
[INFO] [stdout]     |
[INFO] [stdout] 249 | ...                   _o -> PT_(T_::Op(_)), 
[INFO] [stdout]     |                          ^^ no rules expected this token in macro call
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/rtok/parser.rs:169:1
[INFO] [stdout]     |
[INFO] [stdout] 169 | macro_rules! reduction {
[INFO] [stdout]     | ---------------------- when calling this macro
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `->`
[INFO] [stdout]    --> src/lib.rs:259:35
[INFO] [stdout]     |
[INFO] [stdout] 259 | ...                   _o -> PT_(T_::Op(_)), 
[INFO] [stdout]     |                          ^^ no rules expected this token in macro call
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/rtok/parser.rs:169:1
[INFO] [stdout]     |
[INFO] [stdout] 169 | macro_rules! reduction {
[INFO] [stdout]     | ---------------------- when calling this macro
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |         postprocfns: HashMap<TokenTypeId, Box<Fn(Token) -> T>>
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/tokenizer.rs:40:85
[INFO] [stdout]    |
[INFO] [stdout] 40 |         pub fn add_postprocfn_boxed(&mut self, for_id: TokenTypeId, postprocfn: Box<Fn(Token) -> T>) -> () {
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Token) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     reductions: Vec<(Box<Fn(&Vec<ParseValue<T,N>>) -> bool>, 
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<ParseValue<T,N>>) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rtok/parser.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |                      Box<Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>>)>
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<ParseValue<T,N>>) -> Result<ParseValue<T,N>, ParseError>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rtok::parser::ParseValue::Token as PT_`
[INFO] [stdout]    --> src/lib.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |             use rtok::parser::ParseValue::Token as PT_;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rtok::parser::ParseValue::Reduced as PR_`
[INFO] [stdout]    --> src/lib.rs:234:17
[INFO] [stdout]     |
[INFO] [stdout] 234 |             use rtok::parser::ParseValue::Reduced as PR_;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokenizer`
[INFO] [stdout] error: aborting due to 2 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rtok/parser.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut new_vec = new_input;
[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] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant is never constructed: `Shortest`
[INFO] [stdout]   --> src/rtok/tokenizer.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Shortest,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoActions`
[INFO] [stdout]   --> src/rtok/parser.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotImpl`
[INFO] [stdout]   --> src/rtok/parser.rs:26:60
[INFO] [stdout]    |
[INFO] [stdout] 26 |     EOF, NoActions, InvalidReduction(usize), InvalidToken, NotImpl
[INFO] [stdout]    |                                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_input`
[INFO] [stdout]   --> src/rtok/parser.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push_input(&mut self, new_input: Vec<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_stack`
[INFO] [stdout]    --> src/rtok/parser.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn print_stack(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `AstVec`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | type AstVec = Vec<AstPtr>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7342d5e280fd8d7fceb3ff80ef44ca50093d134918262876e05d7c12e4c366b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7342d5e280fd8d7fceb3ff80ef44ca50093d134918262876e05d7c12e4c366b4", kill_on_drop: false }`
[INFO] [stdout] 7342d5e280fd8d7fceb3ff80ef44ca50093d134918262876e05d7c12e4c366b4
