[INFO] updating cached repository https://github.com/beeyan/practice_parser [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 90704f9fb2ff90da2609cabb6299423a728bc3ec [INFO] checking beeyan/practice_parser against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeeyan%2Fpractice_parser" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/beeyan/practice_parser on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [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-14/source/Cargo.toml [INFO] crate git repo https://github.com/beeyan/practice_parser already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c273e3ee9b36bf354a2d71d494b1e95116fb1ee193ec1286e5a9fbf1c614dad9 [INFO] running `"docker" "start" "-a" "c273e3ee9b36bf354a2d71d494b1e95116fb1ee193ec1286e5a9fbf1c614dad9"` [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:617:25 [INFO] [stderr] | [INFO] [stderr] 617 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:617:25 [INFO] [stderr] | [INFO] [stderr] 617 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:840:5 [INFO] [stderr] | [INFO] [stderr] 840 | /// 1 + 2 * 3 - - 10 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 841 | / let ast = parse(vec![ [INFO] [stderr] 842 | | Token::number(1, Loc(0, 1)), [INFO] [stderr] 843 | | Token::plus(Loc(2, 3)), [INFO] [stderr] 844 | | Token::number(2, Loc(4, 5)), [INFO] [stderr] ... | [INFO] [stderr] 849 | | Token::number(10, Loc(13, 15)), [INFO] [stderr] 850 | | ]); [INFO] [stderr] | |_______- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `interp` [INFO] [stderr] --> src/main.rs:778:9 [INFO] [stderr] | [INFO] [stderr] 778 | let mut interp = Interpreter::new(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:778:9 [INFO] [stderr] | [INFO] [stderr] 778 | let mut interp = Interpreter::new(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `num` [INFO] [stderr] --> src/main.rs:228:5 [INFO] [stderr] | [INFO] [stderr] 228 | fn num(n: u64, loc:Loc) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `UnexpectedToken` [INFO] [stderr] --> src/main.rs:304:5 [INFO] [stderr] | [INFO] [stderr] 304 | UnexpectedToken(Token), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `show_diagnostic` [INFO] [stderr] --> src/main.rs:582:5 [INFO] [stderr] | [INFO] [stderr] 582 | fn show_diagnostic(&self, input: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `DivisionByZero` [INFO] [stderr] --> src/main.rs:655:5 [INFO] [stderr] | [INFO] [stderr] 655 | DivisionByZero, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eval` [INFO] [stderr] --> src/main.rs:665:5 [INFO] [stderr] | [INFO] [stderr] 665 | pub fn eval(&mut self, expr: &Ast) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eval_uniop` [INFO] [stderr] --> src/main.rs:686:5 [INFO] [stderr] | [INFO] [stderr] 686 | fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eval_binop` [INFO] [stderr] --> src/main.rs:693:5 [INFO] [stderr] | [INFO] [stderr] 693 | fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `interp` [INFO] [stderr] --> src/main.rs:778:9 [INFO] [stderr] | [INFO] [stderr] 778 | let mut interp = Interpreter::new(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:778:9 [INFO] [stderr] | [INFO] [stderr] 778 | let mut interp = Interpreter::new(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `UnexpectedToken` [INFO] [stderr] --> src/main.rs:304:5 [INFO] [stderr] | [INFO] [stderr] 304 | UnexpectedToken(Token), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `show_diagnostic` [INFO] [stderr] --> src/main.rs:582:5 [INFO] [stderr] | [INFO] [stderr] 582 | fn show_diagnostic(&self, input: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `DivisionByZero` [INFO] [stderr] --> src/main.rs:655:5 [INFO] [stderr] | [INFO] [stderr] 655 | DivisionByZero, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eval` [INFO] [stderr] --> src/main.rs:665:5 [INFO] [stderr] | [INFO] [stderr] 665 | pub fn eval(&mut self, expr: &Ast) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eval_uniop` [INFO] [stderr] --> src/main.rs:686:5 [INFO] [stderr] | [INFO] [stderr] 686 | fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eval_binop` [INFO] [stderr] --> src/main.rs:693:5 [INFO] [stderr] | [INFO] [stderr] 693 | fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `"docker" "inspect" "c273e3ee9b36bf354a2d71d494b1e95116fb1ee193ec1286e5a9fbf1c614dad9"` [INFO] running `"docker" "rm" "-f" "c273e3ee9b36bf354a2d71d494b1e95116fb1ee193ec1286e5a9fbf1c614dad9"` [INFO] [stdout] c273e3ee9b36bf354a2d71d494b1e95116fb1ee193ec1286e5a9fbf1c614dad9