[INFO] fetching crate gramatica 0.1.4... [INFO] documenting gramatica-0.1.4 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate gramatica 0.1.4 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate gramatica 0.1.4 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate gramatica 0.1.4 [INFO] finished tweaking crates.io crate gramatica 0.1.4 [INFO] tweaked toml for crates.io crate gramatica 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 116b698a2a2acfccbe6d459bd19c731dd81e02f07f43666dc1d4ab60e066372d [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" "116b698a2a2acfccbe6d459bd19c731dd81e02f07f43666dc1d4ab60e066372d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "116b698a2a2acfccbe6d459bd19c731dd81e02f07f43666dc1d4ab60e066372d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "116b698a2a2acfccbe6d459bd19c731dd81e02f07f43666dc1d4ab60e066372d", kill_on_drop: false }` [INFO] [stdout] 116b698a2a2acfccbe6d459bd19c731dd81e02f07f43666dc1d4ab60e066372d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f211f0aa017c66260954e3d372206b51ac1ce803e3aa8f8005ec5ec1c8e5425 [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" "1f211f0aa017c66260954e3d372206b51ac1ce803e3aa8f8005ec5ec1c8e5425", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking gramatica v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Documenting gramatica v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:761:9 [INFO] [stdout] | [INFO] [stdout] 761 | 'a'...'z' | 'A'...'Z' | '_' => return None, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:761:21 [INFO] [stdout] | [INFO] [stdout] 761 | 'a'...'z' | 'A'...'Z' | '_' => return None, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:761:9 [INFO] [stdout] | [INFO] [stdout] 761 | 'a'...'z' | 'A'...'Z' | '_' => return None, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:761:21 [INFO] [stdout] | [INFO] [stdout] 761 | 'a'...'z' | 'A'...'Z' | '_' => return None, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:323:154 [INFO] [stdout] | [INFO] [stdout] 323 | ..._be) => {if name == "_match" {fn_match = (Some(item.clone()));} else {panic!("received fn {} is terminal {}" , name , id);}}, _ => pan... [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 assigned value [INFO] [stdout] --> src/compiler.rs:331:136 [INFO] [stdout] | [INFO] [stdout] 331 | ...onterminal {self.first_nonterminal = (Some(self.token_info.len()));} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:334:65 [INFO] [stdout] | [INFO] [stdout] 334 | if let & PatKind::Tuple(ref patterns)=patterns {rule_patterns = (patterns.clone());} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:338:54 [INFO] [stdout] | [INFO] [stdout] 338 | if let AttrKind::Flag(ref p_flag)=seq[0] {priority = (Some(p_flag.clone()));} else {panic!("I do not understand this priority {:?}" , att... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:339:80 [INFO] [stdout] | [INFO] [stdout] 339 | ...{if o_flag == "left" {associativity = (Some(Associativity::Left));} else if o_flag == "right" {associativity = (Some(Associativity::Ri... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:339:153 [INFO] [stdout] | [INFO] [stdout] 339 | ...f o_flag == "right" {associativity = (Some(Associativity::Right));} else {panic!("Associativity must be left or right, no {:?}" , attr... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:371:61 [INFO] [stdout] | [INFO] [stdout] 371 | if let Some(& (pos,ref sre))=ignore_it.next() {ignore_pos = (Some(pos)); [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:372:14 [INFO] [stdout] | [INFO] [stdout] 372 | ignore_sre = (Some(sre.clone()));} else {ignore_pos = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:554:19 [INFO] [stdout] | [INFO] [stdout] 554 | if c == '\\' {c = (characters.next().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:571:74 [INFO] [stdout] | [INFO] [stdout] 571 | while true {match characters.next() { None => break, Some('"') => {ret = (Some((size + 1,r + &"\""))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2074:95 [INFO] [stdout] | [INFO] [stdout] 2074 | (&Token::OuterAttrs(ref attrs),&Token::OuterAttr(ref attr)) => Token::OuterAttrs({let mut new=(attrs.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2100:100 [INFO] [stdout] | [INFO] [stdout] 2100 | (&Token::MetaSeq(ref seq),&Token::Comma,&Token::MetaItem(ref attr)) => Token::MetaSeq({let mut new=(seq.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2111:99 [INFO] [stdout] | [INFO] [stdout] 2111 | (&Token::ModItems(ref items),&Token::ModItem(ref outer,ref item)) => Token::ModItems({let mut new=(items.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2285:134 [INFO] [stdout] | [INFO] [stdout] 2285 | ...t)) => Token::StructDeclFields({let mut new=(list.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2312:114 [INFO] [stdout] | [INFO] [stdout] 2312 | (&Token::EnumDefs(ref list),&Token::Comma,&Token::EnumDef(ref id,ref arguments)) => Token::EnumDefs({let mut new=(list.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2408:116 [INFO] [stdout] | [INFO] [stdout] 2408 | (&Token::IdentsOrSelf(ref list),&Token::Comma,&Token::IdentOrSelf(ref string)) => Token::IdentsOrSelf({let mut new=(list.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/compiler.rs:2561:213 [INFO] [stdout] | [INFO] [stdout] 2561 | ...ItemFn((ItemKind::FN(name.clone(),lives.clone(),gp.clone(),params.clone(),rt.clone(),block_stmts.clone(),block_expr.clone()))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/compiler.rs:2564:227 [INFO] [stdout] | [INFO] [stdout] 2564 | ...ItemFn((ItemKind::FN(name.clone(),lives.clone(),gp.clone(),params.clone(),rt.clone(),block_stmts.clone(),block_expr.clone()))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2628:105 [INFO] [stdout] | [INFO] [stdout] 2628 | (&Token::Params(ref list),&Token::Comma,&Token::Param(ref pattern,ref t)) => Token::Params({let mut new=(list.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/compiler.rs:2635:72 [INFO] [stdout] | [INFO] [stdout] 2635 | &Token::InferrableParam(ref pattern,ref ot) => Token::InferrableParams((vec![(pattern . clone () , ot . clone ())])), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2638:138 [INFO] [stdout] | [INFO] [stdout] 2638 | ...)) => Token::InferrableParams({let mut new=(params.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2770:103 [INFO] [stdout] | [INFO] [stdout] 2770 | (&Token::TyParams(ref list),&Token::Comma,&Token::TyParam(ref param)) => Token::TyParams({let mut new=(list.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:2996:109 [INFO] [stdout] | [INFO] [stdout] 2996 | (&Token::PatTupElts(ref elements),&Token::Comma,&Token::Pat(ref pattern)) => Token::PatTupElts({let mut new=(elements.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:3187:95 [INFO] [stdout] | [INFO] [stdout] 3187 | (&Token::TySums(ref qtypes),&Token::Comma,&Token::TySum(ref t)) => Token::TySums({let mut new=(qtypes.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:3296:118 [INFO] [stdout] | [INFO] [stdout] 3296 | (&Token::Lifetimes(ref list),&Token::Comma,&Token::LifetimeAndBounds(ref lifetime)) => Token::Lifetimes({let mut new=(list.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:3337:80 [INFO] [stdout] | [INFO] [stdout] 3337 | (&Token::Stmts(ref stmts),&Token::Stmt(ref stmt)) => Token::Stmts({let mut new=(stmts.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:3385:93 [INFO] [stdout] | [INFO] [stdout] 3385 | (&Token::Exprs(ref list),&Token::Comma,&Token::Expr(ref expr)) => Token::Exprs({let mut new=(list.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:4080:113 [INFO] [stdout] | [INFO] [stdout] 4080 | (&Token::FieldInits(ref list),&Token::Comma,&Token::FieldInit(ref id,ref oe)) => Token::FieldInits({let mut new=(list.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:4159:174 [INFO] [stdout] | [INFO] [stdout] 4159 | ...oken::RBrace) => { let (x0,x1)={let mut new=(list.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:4169:100 [INFO] [stdout] | [INFO] [stdout] 4169 | (&Token::MatchClauses(ref clauses),&Token::MatchClause(_,_,_)) => Token::MatchClauses({let mut new=(clauses.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:4573:96 [INFO] [stdout] | [INFO] [stdout] 4573 | (&Token::TokenTrees(ref trees),&Token::TokenTree(ref token)) => Token::TokenTrees({let mut new=(trees.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/compiler.rs:4618:104 [INFO] [stdout] | [INFO] [stdout] 4618 | (&Token::TerminalItem(ref item),&Token::TerminalItems(ref items)) => Token::TerminalItems({let mut new=(vec![item . clone ()]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 32 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.39s [INFO] running `Command { std: "docker" "inspect" "1f211f0aa017c66260954e3d372206b51ac1ce803e3aa8f8005ec5ec1c8e5425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f211f0aa017c66260954e3d372206b51ac1ce803e3aa8f8005ec5ec1c8e5425", kill_on_drop: false }` [INFO] [stdout] 1f211f0aa017c66260954e3d372206b51ac1ce803e3aa8f8005ec5ec1c8e5425