[INFO] updating cached repository https://github.com/shika-blyat/parser-combinator
[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] 9a8e4476efddd4ddba846d276d06ed527b252c4c
[INFO] checking shika-blyat/parser-combinator against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fparser-combinator" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shika-blyat/parser-combinator on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shika-blyat/parser-combinator
[INFO] finished tweaking git repo https://github.com/shika-blyat/parser-combinator
[INFO] tweaked toml for git repo https://github.com/shika-blyat/parser-combinator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/shika-blyat/parser-combinator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] d7809c85b95e7d2213fdcecf96a0a1906ebbefe94e714081d5da8c5a227ca65c
[INFO] running `"docker" "start" "-a" "d7809c85b95e7d2213fdcecf96a0a1906ebbefe94e714081d5da8c5a227ca65c"`
[INFO] [stderr]     Checking parser_combinator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:65:39
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn take_cpredicate(predicate: Box<Fn(char) -> bool>) -> Parser<char, String> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser.rs:285:17
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 ((remaining, ()))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::ParserError`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use error::ParserError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Literal`
[INFO] [stderr]   --> src/main.rs:11:41
[INFO] [stderr]    |
[INFO] [stderr] 11 | use parser::{build_ast, take_var, Expr, Literal};
[INFO] [stderr]    |                                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `typechecking::type_ast`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use typechecking::type_ast;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:65:39
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn take_cpredicate(predicate: Box<Fn(char) -> bool>) -> Parser<char, String> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/evaluation.rs:56:38
[INFO] [stderr]    |
[INFO] [stderr] 56 |     assert_eq!(eval_input("1+2"), Ok((Literal::Num(Number::I32(3)))));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/evaluation.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Ok((Literal::Num(Number::I32((1 + 2) * 3 / 4))))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser.rs:285:17
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 ((remaining, ()))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::ParserError`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use error::ParserError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Literal`
[INFO] [stderr]   --> src/main.rs:11:41
[INFO] [stderr]    |
[INFO] [stderr] 11 | use parser::{build_ast, take_var, Expr, Literal};
[INFO] [stderr]    |                                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `typechecking::type_ast`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use typechecking::type_ast;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let ast = take_var()((s.to_string(), variables)).map_err(|error| {
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/main.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let r = eval_input(input, &mut variables);
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stderr]   --> src/evaluation.rs:56:16
[INFO] [stderr]    |
[INFO] [stderr] 56 |     assert_eq!(eval_input("1+2"), Ok((Literal::Num(Number::I32(3)))));
[INFO] [stderr]    |                ^^^^^^^^^^ ----- supplied 1 argument
[INFO] [stderr]    |                |
[INFO] [stderr]    |                expected 2 arguments
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn eval_input<'a>(s: &'a str, variables: &'a mut HashMap<String, Expr>) {
[INFO] [stderr]    | ----------------------------------------------------------------------- defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/evaluation.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     assert_eq!(eval_input("1+2"), Ok((Literal::Num(Number::I32(3)))));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found enum `std::result::Result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected unit type `()`
[INFO] [stderr]                    found enum `std::result::Result<parser::Literal, _>`
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stderr]   --> src/evaluation.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         eval_input("(1+2) * 3 / 4"),
[INFO] [stderr]    |         ^^^^^^^^^^ --------------- supplied 1 argument
[INFO] [stderr]    |         |
[INFO] [stderr]    |         expected 2 arguments
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn eval_input<'a>(s: &'a str, variables: &'a mut HashMap<String, Expr>) {
[INFO] [stderr]    | ----------------------------------------------------------------------- defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/evaluation.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     assert_eq!(
[INFO] [stderr] 58 | |         eval_input("(1+2) * 3 / 4"),
[INFO] [stderr] 59 | |         Ok((Literal::Num(Number::I32((1 + 2) * 3 / 4))))
[INFO] [stderr] 60 | |     );
[INFO] [stderr]    | |______^ expected `()`, found enum `std::result::Result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected unit type `()`
[INFO] [stderr]                    found enum `std::result::Result<parser::Literal, _>`
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]   --> src/parser.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn get_type(&self) -> Type {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]    --> src/parser.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn get_type(&self) -> Type {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]    --> src/parser.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn get_type(&self) -> Type {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_bin_typed`
[INFO] [stderr]    --> src/parser.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn new_bin_typed(left: Expr, op: Operator, right: Expr, expr_type: Type) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]    --> src/parser.rs:222:5
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn get_type(&self) -> Type {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_typed`
[INFO] [stderr]  --> src/typechecking.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn into_typed(&mut self) -> Result<Bin, ParserError> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `binary_type`
[INFO] [stderr]   --> src/typechecking.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn binary_type(left: Type, op: &Operator, right: Type) -> Result<Type, ParserError> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `type_ast`
[INFO] [stderr]   --> src/typechecking.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn type_ast() -> Parser<Bin, Bin> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Environment`
[INFO] [stderr]   --> src/main.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Environment {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `parser_combinator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d7809c85b95e7d2213fdcecf96a0a1906ebbefe94e714081d5da8c5a227ca65c"`
[INFO] running `"docker" "rm" "-f" "d7809c85b95e7d2213fdcecf96a0a1906ebbefe94e714081d5da8c5a227ca65c"`
[INFO] [stdout] d7809c85b95e7d2213fdcecf96a0a1906ebbefe94e714081d5da8c5a227ca65c
