[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] checking tossyyukky/rust-sample-easy-parser against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftossyyukky%2Frust-sample-easy-parser" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tossyyukky/rust-sample-easy-parser on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-2-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6523d763578c803ba8433bfcc587496c337a16d34adbed75b290d8b4448b6761 [INFO] running `Command { std: "docker" "start" "-a" "6523d763578c803ba8433bfcc587496c337a16d34adbed75b290d8b4448b6761", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6523d763578c803ba8433bfcc587496c337a16d34adbed75b290d8b4448b6761", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6523d763578c803ba8433bfcc587496c337a16d34adbed75b290d8b4448b6761", kill_on_drop: false }` [INFO] [stdout] 6523d763578c803ba8433bfcc587496c337a16d34adbed75b290d8b4448b6761 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce22e588e6da65676a89c1d7d9e73306c2f731665feb544255bccc634f5ecc49 [INFO] running `Command { std: "docker" "start" "-a" "ce22e588e6da65676a89c1d7d9e73306c2f731665feb544255bccc634f5ecc49", kill_on_drop: false }` [INFO] [stderr] Checking 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 [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: 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 [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: 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 { [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 { [INFO] [stdout] | ^^^^^^^^^^ [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 { [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 { [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: 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] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "ce22e588e6da65676a89c1d7d9e73306c2f731665feb544255bccc634f5ecc49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce22e588e6da65676a89c1d7d9e73306c2f731665feb544255bccc634f5ecc49", kill_on_drop: false }` [INFO] [stdout] ce22e588e6da65676a89c1d7d9e73306c2f731665feb544255bccc634f5ecc49