[INFO] cloning repository https://github.com/virajshoor/CompiDotSpeed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/virajshoor/CompiDotSpeed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirajshoor%2FCompiDotSpeed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirajshoor%2FCompiDotSpeed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 662088697ccc28d370609e676fbfc6c406517bef
[INFO] fixing virajshoor/CompiDotSpeed against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirajshoor%2FCompiDotSpeed" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/virajshoor/CompiDotSpeed
[INFO] finished tweaking git repo https://github.com/virajshoor/CompiDotSpeed
[INFO] tweaked toml for git repo https://github.com/virajshoor/CompiDotSpeed written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/virajshoor/CompiDotSpeed on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/virajshoor/CompiDotSpeed 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "2f20a02d9ee336bd67ed0b1daf80536fbb3ead94116cc578c0d48d4cc7d57b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2f20a02d9ee336bd67ed0b1daf80536fbb3ead94116cc578c0d48d4cc7d57b9f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f20a02d9ee336bd67ed0b1daf80536fbb3ead94116cc578c0d48d4cc7d57b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2f20a02d9ee336bd67ed0b1daf80536fbb3ead94116cc578c0d48d4cc7d57b9f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]   --> src/error/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use thiserror::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/parser/pattern.rs:5:49
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::error::{CompileError, CompileResult, Span};
[INFO] [stdout]   |                                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::*`
[INFO] [stdout]   --> src/parser/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use expr::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pattern::*`
[INFO] [stdout]   --> src/parser/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use pattern::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::*`
[INFO] [stdout]   --> src/parser/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use types::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeVar`
[INFO] [stdout]  --> src/types/infer.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{Type, TypeVar, Scheme, TypeEnv, Substitution, TypeChecker};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeVar`
[INFO] [stdout]  --> src/types/unify.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::ty::{Type, TypeVar};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> src/types/env.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::ty::{Type, TypeVar, Scheme};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `infer::*`
[INFO] [stdout]   --> src/types/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use infer::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]   --> src/types/mod.rs:21:62
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::error::{CompileError, CompileResult, Diagnostics, Span};
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::Type`
[INFO] [stdout]  --> src/codegen/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::types::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::TypeEnv`
[INFO] [stdout]    --> src/codegen/mod.rs:564:9
[INFO] [stdout]     |
[INFO] [stdout] 564 |     use crate::types::TypeEnv;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]   --> src/error/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use thiserror::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/parser/pattern.rs:5:49
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::error::{CompileError, CompileResult, Span};
[INFO] [stdout]   |                                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::*`
[INFO] [stdout]   --> src/parser/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use expr::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pattern::*`
[INFO] [stdout]   --> src/parser/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use pattern::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::*`
[INFO] [stdout]   --> src/parser/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use types::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeVar`
[INFO] [stdout]  --> src/types/infer.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{Type, TypeVar, Scheme, TypeEnv, Substitution, TypeChecker};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `infer::*`
[INFO] [stdout]   --> src/types/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use infer::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]   --> src/types/mod.rs:21:62
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::error::{CompileError, CompileResult, Diagnostics, Span};
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::Type`
[INFO] [stdout]  --> src/codegen/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::types::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::TypeEnv`
[INFO] [stdout]    --> src/codegen/mod.rs:564:9
[INFO] [stdout]     |
[INFO] [stdout] 564 |     use crate::types::TypeEnv;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_span`
[INFO] [stdout]    --> src/parser/expr.rs:242:21
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 let start_span = self.previous_span();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest_name`
[INFO] [stdout]    --> src/parser/expr.rs:587:17
[INFO] [stdout]     |
[INFO] [stdout] 587 |             let rest_name = self.parse_ident()?;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rest_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser/expr.rs:826:13
[INFO] [stdout]     |
[INFO] [stdout] 826 |         let span = start.merge(else_branch.span);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/types/infer.rs:385:49
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn infer_list(&mut self, elements: &[Expr], span: Span, env: &mut TypeEnv) -> CompileResult<(Type, Substitution)> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `int_binop`
[INFO] [stdout]    --> src/types/mod.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let int_binop = Scheme::mono(Type::function(
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_int_binop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmp_type`
[INFO] [stdout]    --> src/types/mod.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let cmp_type = Scheme::new(
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmp_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string_concat`
[INFO] [stdout]    --> src/types/mod.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let string_concat = Scheme::mono(Type::function(
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_concat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_span`
[INFO] [stdout]    --> src/parser/expr.rs:242:21
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 let start_span = self.previous_span();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest_name`
[INFO] [stdout]    --> src/parser/expr.rs:587:17
[INFO] [stdout]     |
[INFO] [stdout] 587 |             let rest_name = self.parse_ident()?;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rest_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/parser/expr.rs:826:13
[INFO] [stdout]     |
[INFO] [stdout] 826 |         let span = start.merge(else_branch.span);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param`
[INFO] [stdout]    --> src/codegen/mod.rs:659:32
[INFO] [stdout]     |
[INFO] [stdout] 659 |             ExprKind::Lambda { param, body } => {
[INFO] [stdout]     |                                ^^^^^ help: try ignoring the field: `param: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/codegen/mod.rs:659:39
[INFO] [stdout]     |
[INFO] [stdout] 659 |             ExprKind::Lambda { param, body } => {
[INFO] [stdout]     |                                       ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typed`
[INFO] [stdout]   --> src/lib.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let (typed, diagnostics) = type_check(&program);
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_typed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/lib.rs:162:14
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let (program, diagnostics) = parse(source);
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func_name` is never read
[INFO] [stdout]    --> src/codegen/mod.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct CallFrame {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 116 |     func_name: String,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error/mod.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn report_kind(&self) -> ReportKind {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn report_kind(&self) -> ReportKind<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/types/infer.rs:385:49
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn infer_list(&mut self, elements: &[Expr], span: Span, env: &mut TypeEnv) -> CompileResult<(Type, Substitution)> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `int_binop`
[INFO] [stdout]    --> src/types/mod.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let int_binop = Scheme::mono(Type::function(
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_int_binop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmp_type`
[INFO] [stdout]    --> src/types/mod.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let cmp_type = Scheme::new(
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmp_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string_concat`
[INFO] [stdout]    --> src/types/mod.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let string_concat = Scheme::mono(Type::function(
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_concat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param`
[INFO] [stdout]    --> src/codegen/mod.rs:659:32
[INFO] [stdout]     |
[INFO] [stdout] 659 |             ExprKind::Lambda { param, body } => {
[INFO] [stdout]     |                                ^^^^^ help: try ignoring the field: `param: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/codegen/mod.rs:659:39
[INFO] [stdout]     |
[INFO] [stdout] 659 |             ExprKind::Lambda { param, body } => {
[INFO] [stdout]     |                                       ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typed`
[INFO] [stdout]   --> src/lib.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let (typed, diagnostics) = type_check(&program);
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_typed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/lib.rs:162:14
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let (program, diagnostics) = parse(source);
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func_name` is never read
[INFO] [stdout]    --> src/codegen/mod.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct CallFrame {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 116 |     func_name: String,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error/mod.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn report_kind(&self) -> ReportKind {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn report_kind(&self) -> ReportKind<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::type_check`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     types::type_check,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::type_check`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     types::type_check,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.31s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "2f20a02d9ee336bd67ed0b1daf80536fbb3ead94116cc578c0d48d4cc7d57b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f20a02d9ee336bd67ed0b1daf80536fbb3ead94116cc578c0d48d4cc7d57b9f", kill_on_drop: false }`
[INFO] [stdout] 2f20a02d9ee336bd67ed0b1daf80536fbb3ead94116cc578c0d48d4cc7d57b9f
