[INFO] cloning repository https://github.com/tossyyukky/rust-sample-easy-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tossyyukky/rust-sample-easy-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftossyyukky%2Frust-sample-easy-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftossyyukky%2Frust-sample-easy-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1da1ebcf95313fe16fd5d8d2521c5fc1d0f7cab
[INFO] testing tossyyukky/rust-sample-easy-parser against 1.78.0 for beta-1.79-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftossyyukky%2Frust-sample-easy-parser" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tossyyukky/rust-sample-easy-parser on toolchain 1.78.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.78.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tossyyukky/rust-sample-easy-parser
[INFO] finished tweaking git repo https://github.com/tossyyukky/rust-sample-easy-parser
[INFO] tweaked toml for git repo https://github.com/tossyyukky/rust-sample-easy-parser written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tossyyukky/rust-sample-easy-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.78.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.78.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1805c3791802f042737d17f861452f306d11e5db4953a40904dc0c8eb873c0af
[INFO] running `Command { std: "docker" "start" "-a" "1805c3791802f042737d17f861452f306d11e5db4953a40904dc0c8eb873c0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1805c3791802f042737d17f861452f306d11e5db4953a40904dc0c8eb873c0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1805c3791802f042737d17f861452f306d11e5db4953a40904dc0c8eb873c0af", kill_on_drop: false }`
[INFO] [stdout] 1805c3791802f042737d17f861452f306d11e5db4953a40904dc0c8eb873c0af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.78.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45e214591d359a05e234875c684b2704820605e273280cb0249d96642da0ed4a
[INFO] running `Command { std: "docker" "start" "-a" "45e214591d359a05e234875c684b2704820605e273280cb0249d96642da0ed4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:671:25
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let (e, loc): (&StdError, Loc) = match self {
[INFO] [stdout]     |                         ^^^^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let (e, loc): (&dyn StdError, Loc) = match self {
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:727:31
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `num` is never used
[INFO] [stdout]    --> src/main.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 308 | impl Ast {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] 309 |     fn num(n: u64, loc: Loc) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedToken` is never constructed
[INFO] [stdout]    --> src/main.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 380 | enum ParseError {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] 381 |     /// 予期しないトークンがきた
[INFO] [stdout] 382 |     UnexpectedToken(Token),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interperter` is never constructed
[INFO] [stdout]    --> src/main.rs:708:8
[INFO] [stdout]     |
[INFO] [stdout] 708 | struct Interperter;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 710 | impl Interperter {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 711 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DivisionByZero` is never constructed
[INFO] [stdout]    --> src/main.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 717 | enum InterperterErrorKind {
[INFO] [stdout]     |      -------------------- variant in this enum
[INFO] [stdout] 718 |     DivisionByZero,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InterperterErrorKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_diagnostic` is never used
[INFO] [stdout]    --> src/main.rs:727:8
[INFO] [stdout]     |
[INFO] [stdout] 725 | impl InterperterError {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 726 |     /// 診断メッセージを表示する
[INFO] [stdout] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `eval`, `eval_uniop`, and `eval_binop` are never used
[INFO] [stdout]    --> src/main.rs:760:12
[INFO] [stdout]     |
[INFO] [stdout] 759 | impl Interperter {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let _ = stdout.write(s.as_bytes());
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "45e214591d359a05e234875c684b2704820605e273280cb0249d96642da0ed4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e214591d359a05e234875c684b2704820605e273280cb0249d96642da0ed4a", kill_on_drop: false }`
[INFO] [stdout] 45e214591d359a05e234875c684b2704820605e273280cb0249d96642da0ed4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.78.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a95833c42068a9d3b5dbdf1ddef3ec697ce568a6dda18f6ee7aa296e2874605
[INFO] running `Command { std: "docker" "start" "-a" "3a95833c42068a9d3b5dbdf1ddef3ec697ce568a6dda18f6ee7aa296e2874605", kill_on_drop: false }`
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:671:25
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let (e, loc): (&StdError, Loc) = match self {
[INFO] [stdout]     |                         ^^^^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let (e, loc): (&dyn StdError, Loc) = match self {
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:727:31
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedToken` is never constructed
[INFO] [stdout]    --> src/main.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 380 | enum ParseError {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] 381 |     /// 予期しないトークンがきた
[INFO] [stdout] 382 |     UnexpectedToken(Token),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interperter` is never constructed
[INFO] [stdout]    --> src/main.rs:708:8
[INFO] [stdout]     |
[INFO] [stdout] 708 | struct Interperter;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 710 | impl Interperter {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 711 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DivisionByZero` is never constructed
[INFO] [stdout]    --> src/main.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 717 | enum InterperterErrorKind {
[INFO] [stdout]     |      -------------------- variant in this enum
[INFO] [stdout] 718 |     DivisionByZero,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InterperterErrorKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_diagnostic` is never used
[INFO] [stdout]    --> src/main.rs:727:8
[INFO] [stdout]     |
[INFO] [stdout] 725 | impl InterperterError {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 726 |     /// 診断メッセージを表示する
[INFO] [stdout] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `eval`, `eval_uniop`, and `eval_binop` are never used
[INFO] [stdout]    --> src/main.rs:760:12
[INFO] [stdout]     |
[INFO] [stdout] 759 | impl Interperter {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let _ = stdout.write(s.as_bytes());
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "3a95833c42068a9d3b5dbdf1ddef3ec697ce568a6dda18f6ee7aa296e2874605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a95833c42068a9d3b5dbdf1ddef3ec697ce568a6dda18f6ee7aa296e2874605", kill_on_drop: false }`
[INFO] [stdout] 3a95833c42068a9d3b5dbdf1ddef3ec697ce568a6dda18f6ee7aa296e2874605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.78.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f1986ac40b014a0c9e4bb9a56d34f3570b36471420c2afbd60821f045bf9f94
[INFO] running `Command { std: "docker" "start" "-a" "5f1986ac40b014a0c9e4bb9a56d34f3570b36471420c2afbd60821f045bf9f94", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/main.rs:671:25
[INFO] [stdout] test test_lexer ... ok
[INFO] [stderr]     |
[INFO] [stderr] 671 |         let (e, loc): (&StdError, Loc) = match self {
[INFO] [stderr]     |                         ^^^^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 671 |         let (e, loc): (&dyn StdError, Loc) = match self {
[INFO] [stderr]     |                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/main.rs:727:31
[INFO] [stderr]     |
[INFO] [stderr] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stderr]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `UnexpectedToken` is never constructed
[INFO] [stderr]    --> src/main.rs:382:5
[INFO] [stderr]     |
[INFO] [stderr] 380 | enum ParseError {
[INFO] [stderr]     |      ---------- variant in this enum
[INFO] [stderr] 381 |     /// 予期しないトークンがきた
[INFO] [stderr] 382 |     UnexpectedToken(Token),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Interperter` is never constructed
[INFO] [stderr]    --> src/main.rs:708:8
[INFO] [stderr]     |
[INFO] [stderr] 708 | struct Interperter;
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/main.rs:711:12
[INFO] [stderr]     |
[INFO] [stderr] 710 | impl Interperter {
[INFO] [stderr]     | ---------------- associated function in this implementation
[INFO] [stderr] 711 |     pub fn new() -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `DivisionByZero` is never constructed
[INFO] [stderr]    --> src/main.rs:718:5
[INFO] [stderr]     |
[INFO] [stderr] 717 | enum InterperterErrorKind {
[INFO] [stderr]     |      -------------------- variant in this enum
[INFO] [stderr] 718 |     DivisionByZero,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `InterperterErrorKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `show_diagnostic` is never used
[INFO] [stderr]    --> src/main.rs:727:8
[INFO] [stderr]     |
[INFO] [stderr] 725 | impl InterperterError {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] 726 |     /// 診断メッセージを表示する
[INFO] [stderr] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `eval`, `eval_uniop`, and `eval_binop` are never used
[INFO] [stderr]    --> src/main.rs:760:12
[INFO] [stderr]     |
[INFO] [stderr] 759 | impl Interperter {
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stderr] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     stdout.write(s.as_bytes());
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let _ = stdout.write(s.as_bytes());
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `parser` (bin "parser" test) generated 9 warnings (run `cargo fix --bin "parser" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/parser-e656a8047d905318)
[INFO] [stdout] test test_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f1986ac40b014a0c9e4bb9a56d34f3570b36471420c2afbd60821f045bf9f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1986ac40b014a0c9e4bb9a56d34f3570b36471420c2afbd60821f045bf9f94", kill_on_drop: false }`
[INFO] [stdout] 5f1986ac40b014a0c9e4bb9a56d34f3570b36471420c2afbd60821f045bf9f94
[INFO] testing tossyyukky/rust-sample-easy-parser against beta-2024-05-11 for beta-1.79-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftossyyukky%2Frust-sample-easy-parser" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tossyyukky/rust-sample-easy-parser on toolchain beta-2024-05-11
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-05-11" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tossyyukky/rust-sample-easy-parser
[INFO] finished tweaking git repo https://github.com/tossyyukky/rust-sample-easy-parser
[INFO] tweaked toml for git repo https://github.com/tossyyukky/rust-sample-easy-parser written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tossyyukky/rust-sample-easy-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-05-11" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-05-11" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6fd0c4cb464110dd604e7bed1aa2241b7785f39ed17f2d51c803bcf2bbaeb20
[INFO] running `Command { std: "docker" "start" "-a" "f6fd0c4cb464110dd604e7bed1aa2241b7785f39ed17f2d51c803bcf2bbaeb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6fd0c4cb464110dd604e7bed1aa2241b7785f39ed17f2d51c803bcf2bbaeb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fd0c4cb464110dd604e7bed1aa2241b7785f39ed17f2d51c803bcf2bbaeb20", kill_on_drop: false }`
[INFO] [stdout] f6fd0c4cb464110dd604e7bed1aa2241b7785f39ed17f2d51c803bcf2bbaeb20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-05-11" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6999e3cdace4eac8f236765522cbd84e4e9b9691f62006dad91a8e9b6062064
[INFO] running `Command { std: "docker" "start" "-a" "e6999e3cdace4eac8f236765522cbd84e4e9b9691f62006dad91a8e9b6062064", kill_on_drop: false }`
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:671:25
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let (e, loc): (&StdError, Loc) = match self {
[INFO] [stdout]     |                         ^^^^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let (e, loc): (&dyn StdError, Loc) = match self {
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:727:31
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `num` is never used
[INFO] [stdout]    --> src/main.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 308 | impl Ast {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] 309 |     fn num(n: u64, loc: Loc) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedToken` is never constructed
[INFO] [stdout]    --> src/main.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 380 | enum ParseError {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] 381 |     /// 予期しないトークンがきた
[INFO] [stdout] 382 |     UnexpectedToken(Token),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interperter` is never constructed
[INFO] [stdout]    --> src/main.rs:708:8
[INFO] [stdout]     |
[INFO] [stdout] 708 | struct Interperter;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 710 | impl Interperter {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 711 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DivisionByZero` is never constructed
[INFO] [stdout]    --> src/main.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 717 | enum InterperterErrorKind {
[INFO] [stdout]     |      -------------------- variant in this enum
[INFO] [stdout] 718 |     DivisionByZero,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InterperterErrorKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_diagnostic` is never used
[INFO] [stdout]    --> src/main.rs:727:8
[INFO] [stdout]     |
[INFO] [stdout] 725 | impl InterperterError {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 726 |     /// 診断メッセージを表示する
[INFO] [stdout] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `eval`, `eval_uniop`, and `eval_binop` are never used
[INFO] [stdout]    --> src/main.rs:760:12
[INFO] [stdout]     |
[INFO] [stdout] 759 | impl Interperter {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let _ = stdout.write(s.as_bytes());
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "e6999e3cdace4eac8f236765522cbd84e4e9b9691f62006dad91a8e9b6062064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6999e3cdace4eac8f236765522cbd84e4e9b9691f62006dad91a8e9b6062064", kill_on_drop: false }`
[INFO] [stdout] e6999e3cdace4eac8f236765522cbd84e4e9b9691f62006dad91a8e9b6062064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-05-11" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e603d81652fa15bd8a2238946bbef92693f14700b405273a7275a4b1a2e456dd
[INFO] running `Command { std: "docker" "start" "-a" "e603d81652fa15bd8a2238946bbef92693f14700b405273a7275a4b1a2e456dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:671:25
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let (e, loc): (&StdError, Loc) = match self {
[INFO] [stdout]     |                         ^^^^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let (e, loc): (&dyn StdError, Loc) = match self {
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:727:31
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedToken` is never constructed
[INFO] [stdout]    --> src/main.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 380 | enum ParseError {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] 381 |     /// 予期しないトークンがきた
[INFO] [stdout] 382 |     UnexpectedToken(Token),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interperter` is never constructed
[INFO] [stdout]    --> src/main.rs:708:8
[INFO] [stdout]     |
[INFO] [stdout] 708 | struct Interperter;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 710 | impl Interperter {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 711 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DivisionByZero` is never constructed
[INFO] [stdout]    --> src/main.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 717 | enum InterperterErrorKind {
[INFO] [stdout]     |      -------------------- variant in this enum
[INFO] [stdout] 718 |     DivisionByZero,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InterperterErrorKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_diagnostic` is never used
[INFO] [stdout]    --> src/main.rs:727:8
[INFO] [stdout]     |
[INFO] [stdout] 725 | impl InterperterError {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 726 |     /// 診断メッセージを表示する
[INFO] [stdout] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `eval`, `eval_uniop`, and `eval_binop` are never used
[INFO] [stdout]    --> src/main.rs:760:12
[INFO] [stdout]     |
[INFO] [stdout] 759 | impl Interperter {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let _ = stdout.write(s.as_bytes());
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "e603d81652fa15bd8a2238946bbef92693f14700b405273a7275a4b1a2e456dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e603d81652fa15bd8a2238946bbef92693f14700b405273a7275a4b1a2e456dd", kill_on_drop: false }`
[INFO] [stdout] e603d81652fa15bd8a2238946bbef92693f14700b405273a7275a4b1a2e456dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-05-11" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c0466f515b1994610be2b7b76a578b514810f71ba87c4be9df7a3ea16c0e010
[INFO] running `Command { std: "docker" "start" "-a" "8c0466f515b1994610be2b7b76a578b514810f71ba87c4be9df7a3ea16c0e010", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:671:25
[INFO] [stderr]     |
[INFO] [stderr] 671 |         let (e, loc): (&StdError, Loc) = match self {
[INFO] [stderr]     |                         ^^^^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 671 |         let (e, loc): (&dyn StdError, Loc) = match self {
[INFO] [stderr]     |                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/main.rs:727:31
[INFO] [stderr]     |
[INFO] [stderr] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stderr]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `UnexpectedToken` is never constructed
[INFO] [stderr]    --> src/main.rs:382:5
[INFO] [stderr]     |
[INFO] [stderr] 380 | enum ParseError {
[INFO] [stderr]     |      ---------- variant in this enum
[INFO] [stderr] 381 |     /// 予期しないトークンがきた
[INFO] [stderr] 382 |     UnexpectedToken(Token),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParseError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Interperter` is never constructed
[INFO] [stderr]    --> src/main.rs:708:8
[INFO] [stderr]     |
[INFO] [stderr] 708 | struct Interperter;
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/main.rs:711:12
[INFO] [stderr]     |
[INFO] [stderr] 710 | impl Interperter {
[INFO] [stderr]     | ---------------- associated function in this implementation
[INFO] [stderr] 711 |     pub fn new() -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `DivisionByZero` is never constructed
[INFO] [stderr]    --> src/main.rs:718:5
[INFO] [stderr]     |
[INFO] [stderr] 717 | enum InterperterErrorKind {
[INFO] [stderr]     |      -------------------- variant in this enum
[INFO] [stderr] 718 |     DivisionByZero,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `InterperterErrorKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `show_diagnostic` is never used
[INFO] [stderr]    --> src/main.rs:727:8
[INFO] [stderr]     |
[INFO] [stderr] 725 | impl InterperterError {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] 726 |     /// 診断メッセージを表示する
[INFO] [stderr] 727 |     fn show_diagnostic(&self, input: &str) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `eval`, `eval_uniop`, and `eval_binop` are never used
[INFO] [stderr]    --> src/main.rs:760:12
[INFO] [stderr]     |
[INFO] [stderr] 759 | impl Interperter {
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stderr] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     stdout.write(s.as_bytes());
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let _ = stdout.write(s.as_bytes());
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `parser` (bin "parser" test) generated 9 warnings (run `cargo fix --bin "parser" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/parser-19584304e9998563)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_parser ... ok
[INFO] [stdout] test test_lexer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c0466f515b1994610be2b7b76a578b514810f71ba87c4be9df7a3ea16c0e010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0466f515b1994610be2b7b76a578b514810f71ba87c4be9df7a3ea16c0e010", kill_on_drop: false }`
[INFO] [stdout] 8c0466f515b1994610be2b7b76a578b514810f71ba87c4be9df7a3ea16c0e010
