[INFO] cloning repository https://github.com/qiaojinxia/StanfordCompilers-priciples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qiaojinxia/StanfordCompilers-priciples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiaojinxia%2FStanfordCompilers-priciples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiaojinxia%2FStanfordCompilers-priciples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6848bb99d35073a3b3e7304f990defbc79916a74
[INFO] testing qiaojinxia/StanfordCompilers-priciples against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiaojinxia%2FStanfordCompilers-priciples" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiaojinxia/StanfordCompilers-priciples on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qiaojinxia/StanfordCompilers-priciples
[INFO] finished tweaking git repo https://github.com/qiaojinxia/StanfordCompilers-priciples
[INFO] tweaked toml for git repo https://github.com/qiaojinxia/StanfordCompilers-priciples written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/qiaojinxia/StanfordCompilers-priciples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2310e91b23892b5ad198926316c7fba0129ba228b59c603ff20d14e0de79486
[INFO] running `Command { std: "docker" "start" "-a" "c2310e91b23892b5ad198926316c7fba0129ba228b59c603ff20d14e0de79486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2310e91b23892b5ad198926316c7fba0129ba228b59c603ff20d14e0de79486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2310e91b23892b5ad198926316c7fba0129ba228b59c603ff20d14e0de79486", kill_on_drop: false }`
[INFO] [stdout] c2310e91b23892b5ad198926316c7fba0129ba228b59c603ff20d14e0de79486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ca306f3d86f60f621f68b366935567c03b8f1319ca8a293587249942b0ba631
[INFO] running `Command { std: "docker" "start" "-a" "3ca306f3d86f60f621f68b366935567c03b8f1319ca8a293587249942b0ba631", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling StanfordCompilers-priciples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ASSIGN`, `ASTERISK`, `MINUS`, `PLUS`, `SLASH`
[INFO] [stdout]  --> src/lexers.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::define::TokenType::{ASSIGN, ASTERISK, EOF, ID, KEYWORDS, LPAREN, MINUS, NUM, PLUS, RPAREN, SEMICOLON, SLASH, LBRACES, RBRACES};
[INFO] [stdout]   |                                ^^^^^^  ^^^^^^^^                             ^^^^^       ^^^^                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/parse.rs:109:30
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub(crate) fn func_parser_if(parser: &mut Parser) -> Option<Box<dyn S>> {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/ast.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/ast.rs:125:19
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/ast.rs:140:19
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_token`
[INFO] [stdout]   --> src/parse.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     curr_token: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_type`
[INFO] [stdout]   --> src/ast.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub(crate) m_type: NType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/ast.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) value: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ast.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) fn new() -> Strings {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_type`
[INFO] [stdout]    --> src/ast.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) m_type: TokenType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]    --> src/ast.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub(crate) body:Vec<Box<dyn E>>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_type`
[INFO] [stdout]    --> src/ast.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub(crate) m_type: TokenType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]    --> src/ast.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub(crate) body:Vec<Box<dyn E>>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `test`
[INFO] [stdout]    --> src/ast.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub(crate) test:Option<Box<dyn E>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `alternate`
[INFO] [stdout]    --> src/ast.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub(crate) alternate:Option<Box<dyn S>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MINUS`
[INFO] [stdout]   --> src/define.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     MINUS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPERATOR`
[INFO] [stdout]   --> src/define.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     OPERATOR,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WHITESPACE`
[INFO] [stdout]   --> src/define.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     WHITESPACE,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]    --> src/define.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     Float,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Strings`
[INFO] [stdout]    --> src/define.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     Strings,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `StanfordCompilers_priciples` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `stanford_compilers_priciples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.70s
[INFO] running `Command { std: "docker" "inspect" "3ca306f3d86f60f621f68b366935567c03b8f1319ca8a293587249942b0ba631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca306f3d86f60f621f68b366935567c03b8f1319ca8a293587249942b0ba631", kill_on_drop: false }`
[INFO] [stdout] 3ca306f3d86f60f621f68b366935567c03b8f1319ca8a293587249942b0ba631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed13871c6b2bc1b29b34ce366c15c51281f18f13117c734dfe008a3b1bec33ab
[INFO] running `Command { std: "docker" "start" "-a" "ed13871c6b2bc1b29b34ce366c15c51281f18f13117c734dfe008a3b1bec33ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling StanfordCompilers-priciples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ASSIGN`, `ASTERISK`, `MINUS`, `PLUS`, `SLASH`
[INFO] [stdout]  --> src/lexers.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::define::TokenType::{ASSIGN, ASTERISK, EOF, ID, KEYWORDS, LPAREN, MINUS, NUM, PLUS, RPAREN, SEMICOLON, SLASH, LBRACES, RBRACES};
[INFO] [stdout]   |                                ^^^^^^  ^^^^^^^^                             ^^^^^       ^^^^                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/parse.rs:109:30
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub(crate) fn func_parser_if(parser: &mut Parser) -> Option<Box<dyn S>> {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/ast.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/ast.rs:125:19
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/ast.rs:140:19
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_token`
[INFO] [stdout]   --> src/parse.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     curr_token: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_type`
[INFO] [stdout]   --> src/ast.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub(crate) m_type: NType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/ast.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) value: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ast.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) fn new() -> Strings {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_type`
[INFO] [stdout]    --> src/ast.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) m_type: TokenType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]    --> src/ast.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub(crate) body:Vec<Box<dyn E>>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_type`
[INFO] [stdout]    --> src/ast.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub(crate) m_type: TokenType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]    --> src/ast.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub(crate) body:Vec<Box<dyn E>>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `test`
[INFO] [stdout]    --> src/ast.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub(crate) test:Option<Box<dyn E>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `alternate`
[INFO] [stdout]    --> src/ast.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub(crate) alternate:Option<Box<dyn S>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MINUS`
[INFO] [stdout]   --> src/define.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     MINUS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPERATOR`
[INFO] [stdout]   --> src/define.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     OPERATOR,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WHITESPACE`
[INFO] [stdout]   --> src/define.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     WHITESPACE,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]    --> src/define.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     Float,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Strings`
[INFO] [stdout]    --> src/define.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     Strings,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `StanfordCompilers_priciples` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `stanford_compilers_priciples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "ed13871c6b2bc1b29b34ce366c15c51281f18f13117c734dfe008a3b1bec33ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed13871c6b2bc1b29b34ce366c15c51281f18f13117c734dfe008a3b1bec33ab", kill_on_drop: false }`
[INFO] [stdout] ed13871c6b2bc1b29b34ce366c15c51281f18f13117c734dfe008a3b1bec33ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e67509df34bc4ba8194b7906a1e087eb078ea43306f4c8832aee4b75979d04a0
[INFO] running `Command { std: "docker" "start" "-a" "e67509df34bc4ba8194b7906a1e087eb078ea43306f4c8832aee4b75979d04a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `ASSIGN`, `ASTERISK`, `MINUS`, `PLUS`, `SLASH`
[INFO] [stderr]  --> src/lexers.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::define::TokenType::{ASSIGN, ASTERISK, EOF, ID, KEYWORDS, LPAREN, MINUS, NUM, PLUS, RPAREN, SEMICOLON, SLASH, LBRACES, RBRACES};
[INFO] [stderr]   |                                ^^^^^^  ^^^^^^^^                             ^^^^^       ^^^^                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> src/parse.rs:109:30
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub(crate) fn func_parser_if(parser: &mut Parser) -> Option<Box<dyn S>> {
[INFO] [stderr]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/ast.rs:109:19
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/ast.rs:125:19
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/ast.rs:140:19
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `curr_token`
[INFO] [stderr]   --> src/parse.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     curr_token: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `m_type`
[INFO] [stderr]   --> src/ast.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub(crate) m_type: NType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/ast.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub(crate) value: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/ast.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub(crate) fn new() -> Strings {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `m_type`
[INFO] [stderr]    --> src/ast.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub(crate) m_type: TokenType,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `body`
[INFO] [stderr]    --> src/ast.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub(crate) body:Vec<Box<dyn E>>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `m_type`
[INFO] [stderr]    --> src/ast.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub(crate) m_type: TokenType,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `body`
[INFO] [stderr]    --> src/ast.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub(crate) body:Vec<Box<dyn E>>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `test`
[INFO] [stderr]    --> src/ast.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub(crate) test:Option<Box<dyn E>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `alternate`
[INFO] [stderr]    --> src/ast.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub(crate) alternate:Option<Box<dyn S>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MINUS`
[INFO] [stderr]   --> src/define.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     MINUS,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OPERATOR`
[INFO] [stderr]   --> src/define.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     OPERATOR,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WHITESPACE`
[INFO] [stderr]   --> src/define.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     WHITESPACE,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]    --> src/define.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     Float,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Strings`
[INFO] [stderr]    --> src/define.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     Strings,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `StanfordCompilers_priciples` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `stanford_compilers_priciples`
[INFO] [stderr] 
[INFO] [stderr] warning: `StanfordCompilers-priciples` (bin "StanfordCompilers-priciples" test) generated 21 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/StanfordCompilers_priciples-ce49b1b121546782)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e67509df34bc4ba8194b7906a1e087eb078ea43306f4c8832aee4b75979d04a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67509df34bc4ba8194b7906a1e087eb078ea43306f4c8832aee4b75979d04a0", kill_on_drop: false }`
[INFO] [stdout] e67509df34bc4ba8194b7906a1e087eb078ea43306f4c8832aee4b75979d04a0