[INFO] cloning repository https://github.com/shika-blyat/parser-combinator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shika-blyat/parser-combinator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fparser-combinator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fparser-combinator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a8e4476efddd4ddba846d276d06ed527b252c4c
[INFO] building shika-blyat/parser-combinator against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fparser-combinator" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shika-blyat/parser-combinator on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-11/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9687c941dea60409e489e997383e9b2dde3b226fd22defdbe86312ba8b23c3cb
[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" "9687c941dea60409e489e997383e9b2dde3b226fd22defdbe86312ba8b23c3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9687c941dea60409e489e997383e9b2dde3b226fd22defdbe86312ba8b23c3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9687c941dea60409e489e997383e9b2dde3b226fd22defdbe86312ba8b23c3cb", kill_on_drop: false }`
[INFO] [stdout] 9687c941dea60409e489e997383e9b2dde3b226fd22defdbe86312ba8b23c3cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e579efe8ba0eb7d405cd6d4ceb69e45488dd00f995c01cdfe2792780b9007dd6
[INFO] running `Command { std: "docker" "start" "-a" "e579efe8ba0eb7d405cd6d4ceb69e45488dd00f995c01cdfe2792780b9007dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling parser_combinator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/common.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn take_cpredicate(predicate: Box<Fn(char) -> bool>) -> Parser<char, String> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parser.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |                 ((remaining, ()))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::ParserError`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use error::ParserError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]   --> src/main.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 | use parser::{build_ast, take_var, Expr, Literal};
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `typechecking::type_ast`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use typechecking::type_ast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let ast = take_var()((s.to_string(), variables)).map_err(|error| {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let r = eval_input(input, &mut variables);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/parser.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn get_type(&self) -> Type {
[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: `get_type`
[INFO] [stdout]    --> src/parser.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn get_type(&self) -> Type {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]    --> src/parser.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn get_type(&self) -> Type {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_bin_typed`
[INFO] [stdout]    --> src/parser.rs:211:12
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn new_bin_typed(left: Expr, op: Operator, right: Expr, expr_type: Type) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]    --> src/parser.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub fn get_type(&self) -> Type {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_typed`
[INFO] [stdout]  --> src/typechecking.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn into_typed(&mut self) -> Result<Bin, ParserError> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_type`
[INFO] [stdout]   --> src/typechecking.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn binary_type(left: Type, op: &Operator, right: Type) -> Result<Type, ParserError> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_ast`
[INFO] [stdout]   --> src/typechecking.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn type_ast() -> Parser<Bin, Bin> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Environment`
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Environment {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "e579efe8ba0eb7d405cd6d4ceb69e45488dd00f995c01cdfe2792780b9007dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e579efe8ba0eb7d405cd6d4ceb69e45488dd00f995c01cdfe2792780b9007dd6", kill_on_drop: false }`
[INFO] [stdout] e579efe8ba0eb7d405cd6d4ceb69e45488dd00f995c01cdfe2792780b9007dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc49f993a3b2a4ce29ce9759c56fd406d87a0b6f97ea23b271351825fecf70e5
[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" "fc49f993a3b2a4ce29ce9759c56fd406d87a0b6f97ea23b271351825fecf70e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling parser_combinator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/common.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn take_cpredicate(predicate: Box<Fn(char) -> bool>) -> Parser<char, String> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/evaluation.rs:56:38
[INFO] [stdout]    |
[INFO] [stdout] 56 |     assert_eq!(eval_input("1+2"), Ok((Literal::Num(Number::I32(3)))));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/evaluation.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Ok((Literal::Num(Number::I32((1 + 2) * 3 / 4))))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parser.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |                 ((remaining, ()))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::ParserError`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use error::ParserError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]   --> src/main.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 | use parser::{build_ast, take_var, Expr, Literal};
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `typechecking::type_ast`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use typechecking::type_ast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> src/evaluation.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |     assert_eq!(eval_input("1+2"), Ok((Literal::Num(Number::I32(3)))));
[INFO] [stdout]    |                ^^^^^^^^^^ ----- supplied 1 argument
[INFO] [stdout]    |                |
[INFO] [stdout]    |                expected 2 arguments
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn eval_input<'a>(s: &'a str, variables: &'a mut HashMap<String, Expr>) {
[INFO] [stdout]    |    ^^^^^^^^^^     ----------  ----------------------------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/evaluation.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     assert_eq!(eval_input("1+2"), Ok((Literal::Num(Number::I32(3)))));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found enum `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Result<Literal, _>`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> src/evaluation.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         eval_input("(1+2) * 3 / 4"),
[INFO] [stdout]    |         ^^^^^^^^^^ --------------- supplied 1 argument
[INFO] [stdout]    |         |
[INFO] [stdout]    |         expected 2 arguments
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn eval_input<'a>(s: &'a str, variables: &'a mut HashMap<String, Expr>) {
[INFO] [stdout]    |    ^^^^^^^^^^     ----------  ----------------------------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/evaluation.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     assert_eq!(
[INFO] [stdout] 58 | |         eval_input("(1+2) * 3 / 4"),
[INFO] [stdout] 59 | |         Ok((Literal::Num(Number::I32((1 + 2) * 3 / 4))))
[INFO] [stdout] 60 | |     );
[INFO] [stdout]    | |______^ expected `()`, found enum `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Result<Literal, _>`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parser_combinator`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fc49f993a3b2a4ce29ce9759c56fd406d87a0b6f97ea23b271351825fecf70e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc49f993a3b2a4ce29ce9759c56fd406d87a0b6f97ea23b271351825fecf70e5", kill_on_drop: false }`
[INFO] [stdout] fc49f993a3b2a4ce29ce9759c56fd406d87a0b6f97ea23b271351825fecf70e5
