[INFO] updating cached repository https://github.com/alexshadley/Spruce [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] [stderr] From https://github.com/alexshadley/Spruce [INFO] [stderr] * [new branch] js-lists -> js-lists [INFO] [stderr] 83c3488..4a2ff4c master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4a2ff4c3a36de71eb952c041b33e8fb591bb1b21 [INFO] checking alexshadley/Spruce against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexshadley%2FSpruce" "/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/alexshadley/Spruce on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6 [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/alexshadley/Spruce [INFO] finished tweaking git repo https://github.com/alexshadley/Spruce [INFO] tweaked toml for git repo https://github.com/alexshadley/Spruce written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/alexshadley/Spruce already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5564a8ad13c62d989047c3a8a8ea5f89282f667ec3e44044e9b146779430c13e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "5564a8ad13c62d989047c3a8a8ea5f89282f667ec3e44044e9b146779430c13e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling syn v1.0.26 [INFO] [stderr] Compiling nom v5.1.1 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling lexical-core v0.6.7 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking spruce v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `pest::Position` [INFO] [stderr] --> src/error.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use pest::Position; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::parser` [INFO] [stderr] --> src/typecheck.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use crate::parser; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `pest::Position` [INFO] [stderr] --> src/error.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use pest::Position; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::parser` [INFO] [stderr] --> src/typecheck.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use crate::parser; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Span` [INFO] [stderr] --> src/typecheck.rs:8:31 [INFO] [stderr] | [INFO] [stderr] 8 | use crate::parser::{NodeInfo, Span}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ident_span` [INFO] [stderr] --> src/parser.rs:464:9 [INFO] [stderr] | [INFO] [stderr] 464 | let ident_span = ident.as_span(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ident_span` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file_name` [INFO] [stderr] --> src/error.rs:14:20 [INFO] [stderr] | [INFO] [stderr] 14 | let (file, file_name) = files.iter().filter(|(_, file_name)| {*file_name == self.info.file}).next().expect(format!("could not find file while reporting error: {}", self.info.file).as_str()); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/name_analysis.rs:810:49 [INFO] [stderr] | [INFO] [stderr] 810 | types: self.types.into_iter().map(|(k, v)| {(v.id, v)}).collect(), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/name_analysis.rs:811:51 [INFO] [stderr] | [INFO] [stderr] 811 | values: self.values.into_iter().map(|(k, v)| {(v.id, v)}).collect(), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `adts` [INFO] [stderr] --> src/typecheck.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | let mut adts: HashMap = HashMap::new(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adts` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/typecheck.rs:314:24 [INFO] [stderr] | [INFO] [stderr] 314 | Type::Func(args, out) => { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `adt_id` [INFO] [stderr] --> src/typecheck.rs:338:10 [INFO] [stderr] | [INFO] [stderr] 338 | let (adt_id, adt_args) = match &adt_type { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_adt_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `adt_args` [INFO] [stderr] --> src/typecheck.rs:338:18 [INFO] [stderr] | [INFO] [stderr] 338 | let (adt_id, adt_args) = match &adt_type { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adt_args` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `env` [INFO] [stderr] --> src/codegen.rs:29:26 [INFO] [stderr] | [INFO] [stderr] 29 | fn gen_type(prog: &Prog, env: &Environment, t: &ADT) -> String { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `expr` [INFO] [stderr] --> src/codegen.rs:86:15 [INFO] [stderr] | [INFO] [stderr] 86 | (Some(expr), _) => Some(String::from("_body_val")), [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `output` is never read [INFO] [stderr] --> src/codegen.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | let mut output = String::from(""); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left` [INFO] [stderr] --> src/codegen.rs:261:19 [INFO] [stderr] | [INFO] [stderr] 261 | Expr::Pow(left, right) => unimplemented!(), [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `right` [INFO] [stderr] --> src/codegen.rs:261:25 [INFO] [stderr] | [INFO] [stderr] 261 | Expr::Pow(left, right) => unimplemented!(), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ident_span` [INFO] [stderr] --> src/parser.rs:464:9 [INFO] [stderr] | [INFO] [stderr] 464 | let ident_span = ident.as_span(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ident_span` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file_name` [INFO] [stderr] --> src/error.rs:14:20 [INFO] [stderr] | [INFO] [stderr] 14 | let (file, file_name) = files.iter().filter(|(_, file_name)| {*file_name == self.info.file}).next().expect(format!("could not find file while reporting error: {}", self.info.file).as_str()); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/name_analysis.rs:810:49 [INFO] [stderr] | [INFO] [stderr] 810 | types: self.types.into_iter().map(|(k, v)| {(v.id, v)}).collect(), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/name_analysis.rs:811:51 [INFO] [stderr] | [INFO] [stderr] 811 | values: self.values.into_iter().map(|(k, v)| {(v.id, v)}).collect(), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `adts` [INFO] [stderr] --> src/typecheck.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | let mut adts: HashMap = HashMap::new(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adts` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/typecheck.rs:314:24 [INFO] [stderr] | [INFO] [stderr] 314 | Type::Func(args, out) => { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `adt_id` [INFO] [stderr] --> src/typecheck.rs:338:10 [INFO] [stderr] | [INFO] [stderr] 338 | let (adt_id, adt_args) = match &adt_type { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_adt_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `adt_args` [INFO] [stderr] --> src/typecheck.rs:338:18 [INFO] [stderr] | [INFO] [stderr] 338 | let (adt_id, adt_args) = match &adt_type { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adt_args` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `env` [INFO] [stderr] --> src/codegen.rs:29:26 [INFO] [stderr] | [INFO] [stderr] 29 | fn gen_type(prog: &Prog, env: &Environment, t: &ADT) -> String { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `expr` [INFO] [stderr] --> src/codegen.rs:86:15 [INFO] [stderr] | [INFO] [stderr] 86 | (Some(expr), _) => Some(String::from("_body_val")), [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `output` is never read [INFO] [stderr] --> src/codegen.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | let mut output = String::from(""); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left` [INFO] [stderr] --> src/codegen.rs:261:19 [INFO] [stderr] | [INFO] [stderr] 261 | Expr::Pow(left, right) => unimplemented!(), [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `right` [INFO] [stderr] --> src/codegen.rs:261:25 [INFO] [stderr] | [INFO] [stderr] 261 | Expr::Pow(left, right) => unimplemented!(), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:415:12 [INFO] [stderr] | [INFO] [stderr] 415 | fn to_func(mut p: Pair, file_name: &String) -> FuncNode { [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: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:415:12 [INFO] [stderr] | [INFO] [stderr] 415 | fn to_func(mut p: Pair, file_name: &String) -> FuncNode { [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: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:480:12 [INFO] [stderr] | [INFO] [stderr] 480 | fn to_type(mut t: Pair, file_name: &String) -> TypeNode { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:487:9 [INFO] [stderr] | [INFO] [stderr] 487 | let mut param_tokens = children.next().unwrap().into_inner(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:480:12 [INFO] [stderr] | [INFO] [stderr] 480 | fn to_type(mut t: Pair, file_name: &String) -> TypeNode { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:487:9 [INFO] [stderr] | [INFO] [stderr] 487 | let mut param_tokens = children.next().unwrap().into_inner(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/name_analysis.rs:772:13 [INFO] [stderr] | [INFO] [stderr] 772 | let mut adt = self.types.get_mut(data_type).expect("unreachable"); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/typecheck.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | let mut adts: HashMap = HashMap::new(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/name_analysis.rs:772:13 [INFO] [stderr] | [INFO] [stderr] 772 | let mut adt = self.types.get_mut(data_type).expect("unreachable"); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/typecheck.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | let mut adts: HashMap = HashMap::new(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Expr` [INFO] [stderr] --> src/parser.rs:140:5 [INFO] [stderr] | [INFO] [stderr] 140 | Expr(ExprNode), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Case` [INFO] [stderr] --> src/parser.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 141 | Case(CaseNode) [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Expr` [INFO] [stderr] --> src/name_analysis.rs:122:5 [INFO] [stderr] | [INFO] [stderr] 122 | Expr(ExprNode), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Case` [INFO] [stderr] --> src/name_analysis.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | Case(CaseNode) [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 26 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Expr` [INFO] [stderr] --> src/parser.rs:140:5 [INFO] [stderr] | [INFO] [stderr] 140 | Expr(ExprNode), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Case` [INFO] [stderr] --> src/parser.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 141 | Case(CaseNode) [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Expr` [INFO] [stderr] --> src/name_analysis.rs:122:5 [INFO] [stderr] | [INFO] [stderr] 122 | Expr(ExprNode), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Case` [INFO] [stderr] --> src/name_analysis.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | Case(CaseNode) [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 25 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.95s [INFO] running `"docker" "inspect" "5564a8ad13c62d989047c3a8a8ea5f89282f667ec3e44044e9b146779430c13e"` [INFO] running `"docker" "rm" "-f" "5564a8ad13c62d989047c3a8a8ea5f89282f667ec3e44044e9b146779430c13e"` [INFO] [stdout] 5564a8ad13c62d989047c3a8a8ea5f89282f667ec3e44044e9b146779430c13e