[INFO] cloning repository https://github.com/Mabinogiysk/SimpleInterpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mabinogiysk/SimpleInterpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMabinogiysk%2FSimpleInterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMabinogiysk%2FSimpleInterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceba77cf0cc84f6f9e3a2c8cd737403e23c745e2
[INFO] testing Mabinogiysk/SimpleInterpreter against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMabinogiysk%2FSimpleInterpreter" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mabinogiysk/SimpleInterpreter on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mabinogiysk/SimpleInterpreter
[INFO] finished tweaking git repo https://github.com/Mabinogiysk/SimpleInterpreter
[INFO] tweaked toml for git repo https://github.com/Mabinogiysk/SimpleInterpreter written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/Mabinogiysk/SimpleInterpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af4b9d9cfa41424dcd6efecee2c3fc24d01fdd28f96ea5a52cdbb0efd711c7dd
[INFO] running `Command { std: "docker" "start" "-a" "af4b9d9cfa41424dcd6efecee2c3fc24d01fdd28f96ea5a52cdbb0efd711c7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af4b9d9cfa41424dcd6efecee2c3fc24d01fdd28f96ea5a52cdbb0efd711c7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4b9d9cfa41424dcd6efecee2c3fc24d01fdd28f96ea5a52cdbb0efd711c7dd", kill_on_drop: false }`
[INFO] [stdout] af4b9d9cfa41424dcd6efecee2c3fc24d01fdd28f96ea5a52cdbb0efd711c7dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1170a806ab2e8ad87bec7e5b28da3886625248a4a836a16a83b6d59df996b8b
[INFO] running `Command { std: "docker" "start" "-a" "b1170a806ab2e8ad87bec7e5b28da3886625248a4a836a16a83b6d59df996b8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling interpreter-ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `INTEGER_CONST` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     INTEGER_CONST(u64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntegerConst`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REAL_CONST` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     REAL_CONST(f64),
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RealConst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:147:24
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 c @ 'a'...'z' | c @ 'A'...'Z' | c @ '0'...'9' => {
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:147:40
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 c @ 'a'...'z' | c @ 'A'...'Z' | c @ '0'...'9' => {
[INFO] [stdout]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:147:56
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 c @ 'a'...'z' | c @ 'A'...'Z' | c @ '0'...'9' => {
[INFO] [stdout]     |                                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 '0'...'9' => self.idx +=1,
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 'a' ... 'z' | 'A' ... 'Z' => self._id(),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:191:35
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 'a' ... 'z' | 'A' ... 'Z' => self._id(),
[INFO] [stdout]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:385:23
[INFO] [stdout]     |
[INFO] [stdout] 385 |             Token::ID(c) =>{
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:401:28
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 Token::OP2(a)=> {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:456:17
[INFO] [stdout]     |
[INFO] [stdout] 456 |             for i in 0..pre_level_num{
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Symbol`
[INFO] [stdout]   --> src/main.rs:46:6
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum Symbol{
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `KeyWord` should have an upper case name
[INFO] [stdout]   --> src/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     static ref KeyWord: HashMap<&'static str, Token> = {
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `KEY_WORD`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `visit_VarDec` should have a snake case name
[INFO] [stdout]    --> src/main.rs:511:8
[INFO] [stdout]     |
[INFO] [stdout] 511 |     fn visit_VarDec(&mut self, root: &TreeNode){
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `visit_var_dec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.19s
[INFO] running `Command { std: "docker" "inspect" "b1170a806ab2e8ad87bec7e5b28da3886625248a4a836a16a83b6d59df996b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1170a806ab2e8ad87bec7e5b28da3886625248a4a836a16a83b6d59df996b8b", kill_on_drop: false }`
[INFO] [stdout] b1170a806ab2e8ad87bec7e5b28da3886625248a4a836a16a83b6d59df996b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de276963086310c09b430feeaa8ff70518ff4a9ee768ed8de43ba600dcc17c3d
[INFO] running `Command { std: "docker" "start" "-a" "de276963086310c09b430feeaa8ff70518ff4a9ee768ed8de43ba600dcc17c3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling interpreter-ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `INTEGER_CONST` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     INTEGER_CONST(u64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntegerConst`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REAL_CONST` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     REAL_CONST(f64),
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RealConst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:147:24
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 c @ 'a'...'z' | c @ 'A'...'Z' | c @ '0'...'9' => {
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:147:40
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 c @ 'a'...'z' | c @ 'A'...'Z' | c @ '0'...'9' => {
[INFO] [stdout]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:147:56
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 c @ 'a'...'z' | c @ 'A'...'Z' | c @ '0'...'9' => {
[INFO] [stdout]     |                                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 '0'...'9' => self.idx +=1,
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 'a' ... 'z' | 'A' ... 'Z' => self._id(),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:191:35
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 'a' ... 'z' | 'A' ... 'Z' => self._id(),
[INFO] [stdout]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:385:23
[INFO] [stdout]     |
[INFO] [stdout] 385 |             Token::ID(c) =>{
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:401:28
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 Token::OP2(a)=> {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:456:17
[INFO] [stdout]     |
[INFO] [stdout] 456 |             for i in 0..pre_level_num{
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Symbol`
[INFO] [stdout]   --> src/main.rs:46:6
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum Symbol{
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `KeyWord` should have an upper case name
[INFO] [stdout]   --> src/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     static ref KeyWord: HashMap<&'static str, Token> = {
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `KEY_WORD`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `visit_VarDec` should have a snake case name
[INFO] [stdout]    --> src/main.rs:511:8
[INFO] [stdout]     |
[INFO] [stdout] 511 |     fn visit_VarDec(&mut self, root: &TreeNode){
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `visit_var_dec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "de276963086310c09b430feeaa8ff70518ff4a9ee768ed8de43ba600dcc17c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de276963086310c09b430feeaa8ff70518ff4a9ee768ed8de43ba600dcc17c3d", kill_on_drop: false }`
[INFO] [stdout] de276963086310c09b430feeaa8ff70518ff4a9ee768ed8de43ba600dcc17c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d4dd8ac6c39eaa9d75b4fdaaff202154431d2616aa7cac97cdcd43597a16c75
[INFO] running `Command { std: "docker" "start" "-a" "4d4dd8ac6c39eaa9d75b4fdaaff202154431d2616aa7cac97cdcd43597a16c75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant `INTEGER_CONST` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     INTEGER_CONST(u64),
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IntegerConst`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `REAL_CONST` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     REAL_CONST(f64),
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RealConst`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:147:24
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 c @ 'a'...'z' | c @ 'A'...'Z' | c @ '0'...'9' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:147:40
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 c @ 'a'...'z' | c @ 'A'...'Z' | c @ '0'...'9' => {
[INFO] [stderr]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:147:56
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 c @ 'a'...'z' | c @ 'A'...'Z' | c @ '0'...'9' => {
[INFO] [stderr]     |                                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:168:20
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 '0'...'9' => self.idx +=1,
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:191:21
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 'a' ... 'z' | 'A' ... 'Z' => self._id(),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:191:35
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 'a' ... 'z' | 'A' ... 'Z' => self._id(),
[INFO] [stderr]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/main.rs:385:23
[INFO] [stderr]     |
[INFO] [stderr] 385 |             Token::ID(c) =>{
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/main.rs:401:28
[INFO] [stderr]     |
[INFO] [stderr] 401 |                 Token::OP2(a)=> {
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:456:17
[INFO] [stderr]     |
[INFO] [stderr] 456 |             for i in 0..pre_level_num{
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Symbol`
[INFO] [stderr]   --> src/main.rs:46:6
[INFO] [stderr]    |
[INFO] [stderr] 46 | enum Symbol{
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `KeyWord` should have an upper case name
[INFO] [stderr]   --> src/main.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     static ref KeyWord: HashMap<&'static str, Token> = {
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `KEY_WORD`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `visit_VarDec` should have a snake case name
[INFO] [stderr]    --> src/main.rs:511:8
[INFO] [stderr]     |
[INFO] [stderr] 511 |     fn visit_VarDec(&mut self, root: &TreeNode){
[INFO] [stderr]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `visit_var_dec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `interpreter-ast` (bin "interpreter-ast" test) generated 14 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 41.60s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interpreter_ast-3f900f5774c936c1)
[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" "4d4dd8ac6c39eaa9d75b4fdaaff202154431d2616aa7cac97cdcd43597a16c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4dd8ac6c39eaa9d75b4fdaaff202154431d2616aa7cac97cdcd43597a16c75", kill_on_drop: false }`
[INFO] [stdout] 4d4dd8ac6c39eaa9d75b4fdaaff202154431d2616aa7cac97cdcd43597a16c75