[INFO] updating cached repository https://github.com/vluzko/Grace [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/vluzko/Grace [INFO] [stderr] 560e503..d4142ec arc_rewrite -> arc_rewrite [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 36b82d381f08109e3bf657e9e6fb99d4b9b1bc93 [INFO] checking vluzko/Grace against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvluzko%2FGrace" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vluzko/Grace on toolchain ba72b15666b2491415aec703a02c2364fe5e2790 [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/vluzko/Grace [INFO] finished tweaking git repo https://github.com/vluzko/Grace [INFO] tweaked toml for git repo https://github.com/vluzko/Grace written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 4836f7a1c3532504da5e728df755b7d73e983a3392b445ca4562e99f4ee2f622 [INFO] running `"docker" "start" "-a" "4836f7a1c3532504da5e728df755b7d73e983a3392b445ca4562e99f4ee2f622"` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking bytecount v0.6.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking nom v4.2.3 [INFO] [stderr] Checking petgraph v0.5.0 [INFO] [stderr] Checking cached v0.12.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking bit-set v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stderr] Checking grace v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/parser_utils.rs:104:1 [INFO] [stderr] | [INFO] [stderr] 104 | / macro_rules! line_and_block ( [INFO] [stderr] 105 | | ($i:expr, $submac: ident!($($args:tt)* ), $indent: expr) => ( [INFO] [stderr] 106 | | tuple!($i, [INFO] [stderr] 107 | | terminated!( [INFO] [stderr] ... | [INFO] [stderr] 129 | | ); [INFO] [stderr] 130 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/parser_utils.rs:169:1 [INFO] [stderr] | [INFO] [stderr] 169 | / macro_rules! keyword_and_block ( [INFO] [stderr] 170 | | ($i:expr, $keyword: expr, $indent: expr) => ( [INFO] [stderr] 171 | | match line_and_block!($i, $keyword, $indent) { [INFO] [stderr] 172 | | Ok((remaining, (_,o))) => Ok((remaining, o)), [INFO] [stderr] ... | [INFO] [stderr] 175 | | ); [INFO] [stderr] 176 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RefCell`, `RefMut` [INFO] [stderr] --> src/scoping.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cell::{RefCell, RefMut}; [INFO] [stderr] | ^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/scoping.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `CanModifyScope`, `Scope`, `base_scope` [INFO] [stderr] --> src/compiler_layers.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | Scope, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 19 | Context, [INFO] [stderr] 20 | CanModifyScope, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 23 | base_scope [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/compiler_layers.rs:253:12 [INFO] [stderr] | [INFO] [stderr] 253 | if (parsed_module.data.imports.len() > 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `i64` should have an upper camel case name [INFO] [stderr] --> src/llr.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | i64, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `I64` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `i32` should have an upper camel case name [INFO] [stderr] --> src/llr.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | i32, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `I32` [INFO] [stderr] [INFO] [stderr] warning: variant `f64` should have an upper camel case name [INFO] [stderr] --> src/llr.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | f64, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `F64` [INFO] [stderr] [INFO] [stderr] warning: variant `f32` should have an upper camel case name [INFO] [stderr] --> src/llr.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | f32 [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `F32` [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/proptest_utils.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/parser.rs:2095:5 [INFO] [stderr] | [INFO] [stderr] 2095 | /// Check that literal expressions can parse at all. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/parser.rs:2106:5 [INFO] [stderr] | [INFO] [stderr] 2106 | /// Check that exprs can parse at all. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros [INFO] [stderr] | [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/parser.rs:2120:5 [INFO] [stderr] | [INFO] [stderr] 2120 | /// Check that turning an expression into a string and back again is the identity. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros [INFO] [stderr] | [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/parser_utils.rs:104:1 [INFO] [stderr] | [INFO] [stderr] 104 | / macro_rules! line_and_block ( [INFO] [stderr] 105 | | ($i:expr, $submac: ident!($($args:tt)* ), $indent: expr) => ( [INFO] [stderr] 106 | | tuple!($i, [INFO] [stderr] 107 | | terminated!( [INFO] [stderr] ... | [INFO] [stderr] 129 | | ); [INFO] [stderr] 130 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/parser_utils.rs:169:1 [INFO] [stderr] | [INFO] [stderr] 169 | / macro_rules! keyword_and_block ( [INFO] [stderr] 170 | | ($i:expr, $keyword: expr, $indent: expr) => ( [INFO] [stderr] 171 | | match line_and_block!($i, $keyword, $indent) { [INFO] [stderr] 172 | | Ok((remaining, (_,o))) => Ok((remaining, o)), [INFO] [stderr] ... | [INFO] [stderr] 175 | | ); [INFO] [stderr] 176 | | ); [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RefCell`, `RefMut` [INFO] [stderr] --> src/scoping.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cell::{RefCell, RefMut}; [INFO] [stderr] | ^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/scoping.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/typing.rs:549:13 [INFO] [stderr] | [INFO] [stderr] 549 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `CanModifyScope`, `Scope`, `base_scope` [INFO] [stderr] --> src/compiler_layers.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | Scope, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 19 | Context, [INFO] [stderr] 20 | CanModifyScope, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 23 | base_scope [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/compiler_layers.rs:253:12 [INFO] [stderr] | [INFO] [stderr] 253 | if (parsed_module.data.imports.len() > 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `i64` should have an upper camel case name [INFO] [stderr] --> src/llr.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | i64, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `I64` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `i32` should have an upper camel case name [INFO] [stderr] --> src/llr.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | i32, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `I32` [INFO] [stderr] [INFO] [stderr] warning: variant `f64` should have an upper camel case name [INFO] [stderr] --> src/llr.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | f64, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `F64` [INFO] [stderr] [INFO] [stderr] warning: variant `f32` should have an upper camel case name [INFO] [stderr] --> src/llr.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | f32 [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `F32` [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/llr.rs:481:9 [INFO] [stderr] | [INFO] [stderr] 481 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/llr.rs:485:13 [INFO] [stderr] | [INFO] [stderr] 485 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/proptest_utils.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `parse_result` [INFO] [stderr] --> src/parser.rs:684:17 [INFO] [stderr] | [INFO] [stderr] 684 | let parse_result = tuple!(input, [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parse_result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/compiler_layers.rs:369:19 [INFO] [stderr] | [INFO] [stderr] 369 | pub fn to_llr<'a>(input: &'a [u8]) -> (Node, Context, CfgMap, WASMModule) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `parse_result` [INFO] [stderr] --> src/parser.rs:684:17 [INFO] [stderr] | [INFO] [stderr] 684 | let parse_result = tuple!(input, [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parse_result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/compiler_layers.rs:369:19 [INFO] [stderr] | [INFO] [stderr] 369 | pub fn to_llr<'a>(input: &'a [u8]) -> (Node, Context, CfgMap, WASMModule) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/compiler_layers.rs:241:13 [INFO] [stderr] | [INFO] [stderr] 241 | let mut dependencies = vec!(); [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: `match_expr` [INFO] [stderr] --> src/parser.rs:682:9 [INFO] [stderr] | [INFO] [stderr] 682 | fn match_expr<'a>(&self, input: PosStr<'a>) -> ExprRes<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/compiler_layers.rs:241:13 [INFO] [stderr] | [INFO] [stderr] 241 | let mut dependencies = vec!(); [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: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: method is never used: `match_expr` [INFO] [stderr] --> src/parser.rs:682:9 [INFO] [stderr] | [INFO] [stderr] 682 | fn match_expr<'a>(&self, input: PosStr<'a>) -> ExprRes<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/bin.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/bin.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 22 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.38s [INFO] running `"docker" "inspect" "4836f7a1c3532504da5e728df755b7d73e983a3392b445ca4562e99f4ee2f622"` [INFO] running `"docker" "rm" "-f" "4836f7a1c3532504da5e728df755b7d73e983a3392b445ca4562e99f4ee2f622"` [INFO] [stdout] 4836f7a1c3532504da5e728df755b7d73e983a3392b445ca4562e99f4ee2f622