[INFO] cloning repository https://github.com/beeyan/practice_parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beeyan/practice_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeeyan%2Fpractice_parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeeyan%2Fpractice_parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 90704f9fb2ff90da2609cabb6299423a728bc3ec [INFO] checking beeyan/practice_parser against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeeyan%2Fpractice_parser" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/beeyan/practice_parser on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/beeyan/practice_parser [INFO] finished tweaking git repo https://github.com/beeyan/practice_parser [INFO] tweaked toml for git repo https://github.com/beeyan/practice_parser written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/beeyan/practice_parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9131235caa5893cd583125c52ceab880b72f390de97ba5afc22bf7569a83b1bd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9131235caa5893cd583125c52ceab880b72f390de97ba5afc22bf7569a83b1bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9131235caa5893cd583125c52ceab880b72f390de97ba5afc22bf7569a83b1bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9131235caa5893cd583125c52ceab880b72f390de97ba5afc22bf7569a83b1bd", kill_on_drop: false }` [INFO] [stdout] 9131235caa5893cd583125c52ceab880b72f390de97ba5afc22bf7569a83b1bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7443812cae8841453c76f5b731d700fe3fd80013b450873b6bda79cc4098faf6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7443812cae8841453c76f5b731d700fe3fd80013b450873b6bda79cc4098faf6", 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:617:25 [INFO] [stdout] | [INFO] [stdout] 617 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:617:25 [INFO] [stdout] | [INFO] [stdout] 617 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:840:5 [INFO] [stdout] | [INFO] [stdout] 840 | /// 1 + 2 * 3 - - 10 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 841 | / let ast = parse(vec![ [INFO] [stdout] 842 | | Token::number(1, Loc(0, 1)), [INFO] [stdout] 843 | | Token::plus(Loc(2, 3)), [INFO] [stdout] 844 | | Token::number(2, Loc(4, 5)), [INFO] [stdout] ... | [INFO] [stdout] 849 | | Token::number(10, Loc(13, 15)), [INFO] [stdout] 850 | | ]); [INFO] [stdout] | |_______- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interp` [INFO] [stdout] --> src/main.rs:778:9 [INFO] [stdout] | [INFO] [stdout] 778 | let mut interp = Interpreter::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:778:9 [INFO] [stdout] | [INFO] [stdout] 778 | let mut interp = Interpreter::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `num` [INFO] [stdout] --> src/main.rs:228:8 [INFO] [stdout] | [INFO] [stdout] 228 | 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 is never constructed: `UnexpectedToken` [INFO] [stdout] --> src/main.rs:304:5 [INFO] [stdout] | [INFO] [stdout] 304 | UnexpectedToken(Token), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `show_diagnostic` [INFO] [stdout] --> src/main.rs:582:8 [INFO] [stdout] | [INFO] [stdout] 582 | fn show_diagnostic(&self, input: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DivisionByZero` [INFO] [stdout] --> src/main.rs:655:5 [INFO] [stdout] | [INFO] [stdout] 655 | DivisionByZero, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval` [INFO] [stdout] --> src/main.rs:665:12 [INFO] [stdout] | [INFO] [stdout] 665 | pub fn eval(&mut self, expr: &Ast) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval_uniop` [INFO] [stdout] --> src/main.rs:686:8 [INFO] [stdout] | [INFO] [stdout] 686 | fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval_binop` [INFO] [stdout] --> src/main.rs:693:8 [INFO] [stdout] | [INFO] [stdout] 693 | fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interp` [INFO] [stdout] --> src/main.rs:778:9 [INFO] [stdout] | [INFO] [stdout] 778 | let mut interp = Interpreter::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:778:9 [INFO] [stdout] | [INFO] [stdout] 778 | let mut interp = Interpreter::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnexpectedToken` [INFO] [stdout] --> src/main.rs:304:5 [INFO] [stdout] | [INFO] [stdout] 304 | UnexpectedToken(Token), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `show_diagnostic` [INFO] [stdout] --> src/main.rs:582:8 [INFO] [stdout] | [INFO] [stdout] 582 | fn show_diagnostic(&self, input: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DivisionByZero` [INFO] [stdout] --> src/main.rs:655:5 [INFO] [stdout] | [INFO] [stdout] 655 | DivisionByZero, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval` [INFO] [stdout] --> src/main.rs:665:12 [INFO] [stdout] | [INFO] [stdout] 665 | pub fn eval(&mut self, expr: &Ast) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval_uniop` [INFO] [stdout] --> src/main.rs:686:8 [INFO] [stdout] | [INFO] [stdout] 686 | fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval_binop` [INFO] [stdout] --> src/main.rs:693:8 [INFO] [stdout] | [INFO] [stdout] 693 | fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "7443812cae8841453c76f5b731d700fe3fd80013b450873b6bda79cc4098faf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7443812cae8841453c76f5b731d700fe3fd80013b450873b6bda79cc4098faf6", kill_on_drop: false }` [INFO] [stdout] 7443812cae8841453c76f5b731d700fe3fd80013b450873b6bda79cc4098faf6