[INFO] cloning repository https://github.com/matklad/fall [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/fall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Ffall", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Ffall'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 983d267c868566effac1f02a9c72358ad015950a [INFO] checking matklad/fall against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Ffall" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matklad/fall on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matklad/fall [INFO] finished tweaking git repo https://github.com/matklad/fall [INFO] tweaked toml for git repo https://github.com/matklad/fall written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/matklad/fall 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proptest v0.3.4 [INFO] [stderr] Downloaded file v1.1.2 [INFO] [stderr] Downloaded m_lexer v0.0.4 [INFO] [stderr] Downloaded ordslice v0.2.0 [INFO] [stderr] Downloaded self_cell v0.8.0 [INFO] [stderr] Downloaded typed_index_derive v0.1.4 [INFO] [stderr] Downloaded backtrace v0.3.51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb805b8b7c211ff209f5889147f663c20e1ea3aaa8e72a04598b2feb53847251 [INFO] running `Command { std: "docker" "start" "-a" "fb805b8b7c211ff209f5889147f663c20e1ea3aaa8e72a04598b2feb53847251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb805b8b7c211ff209f5889147f663c20e1ea3aaa8e72a04598b2feb53847251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb805b8b7c211ff209f5889147f663c20e1ea3aaa8e72a04598b2feb53847251", kill_on_drop: false }` [INFO] [stdout] fb805b8b7c211ff209f5889147f663c20e1ea3aaa8e72a04598b2feb53847251 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 561f6aa67effba81850288b10b2ed178c7a882bb0945c4ef937d76d8d5c8401d [INFO] running `Command { std: "docker" "start" "-a" "561f6aa67effba81850288b10b2ed178c7a882bb0945c4ef937d76d8d5c8401d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.78 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking difference v1.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking file v1.1.2 [INFO] [stderr] Checking elapsed v0.1.2 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking proptest v0.3.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking m_lexer v0.0.4 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking fall_text v0.1.0 (/opt/rustwide/workdir/fall/text) [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling miniz_oxide v0.4.2 [INFO] [stderr] Checking filetime v0.2.12 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking unic-common v0.9.0 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling typed_index_derive v0.1.4 [INFO] [stderr] Checking unic-char-range v0.9.0 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking unic-char-property v0.9.0 [INFO] [stderr] Checking simplelog v0.4.4 [INFO] [stderr] Checking globset v0.4.5 [INFO] [stderr] Checking unic-ucd-version v0.9.0 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling fst v0.4.4 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking self_cell v0.8.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking ignore v0.4.16 [INFO] [stderr] Compiling parse-zoneinfo v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking unic-ucd-segment v0.9.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking deunicode v0.4.3 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking slug v0.1.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking unic-segment v0.9.0 [INFO] [stderr] Checking globwalk v0.8.0 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking indxr v0.1.0 (/opt/rustwide/workdir/indxr) [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling chrono-tz v0.5.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking humansize v1.1.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking ordslice v0.2.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking backtrace v0.3.51 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking fall_tree v0.1.0 (/opt/rustwide/workdir/fall/tree) [INFO] [stdout] warning: the item `file` is imported redundantly [INFO] [stdout] --> fall/tree/src/test_util.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use file; [INFO] [stdout] | ^^^^ the item `file` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] ::: fall/tree/src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate file; [INFO] [stdout] | ------------------ the item `file` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `file` is imported redundantly [INFO] [stdout] --> fall/tree/src/test_util.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use file; [INFO] [stdout] | ^^^^ the item `file` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] ::: fall/tree/src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate file; [INFO] [stdout] | ------------------ the item `file` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking fall_parse v0.1.0 (/opt/rustwide/workdir/fall/parse) [INFO] [stderr] Checking fall_editor v0.1.0 (/opt/rustwide/workdir/fall/editor) [INFO] [stderr] Checking lang_fall_syntax v0.1.0 (/opt/rustwide/workdir/lang/fall/syntax) [INFO] [stderr] Checking lang_rust_syntax v0.1.0 (/opt/rustwide/workdir/lang/rust/syntax) [INFO] [stderr] Checking lang_json v0.1.0 (/opt/rustwide/workdir/lang/json) [INFO] [stderr] Checking lang_bnf v0.1.0 (/opt/rustwide/workdir/lang/bnf) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> lang/bnf/src/bnf.rs:37:91 [INFO] [stdout] | [INFO] [stdout] 37 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> lang/bnf/src/bnf.rs:37:91 [INFO] [stdout] | [INFO] [stdout] 37 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> lang/json/src/json.rs:55:91 [INFO] [stdout] | [INFO] [stdout] 55 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::rt::ERROR` [INFO] [stdout] --> lang/rust/syntax/src/rust.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use self::rt::ERROR; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> lang/json/src/json.rs:55:91 [INFO] [stdout] | [INFO] [stdout] 55 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> lang/fall/syntax/src/fall.rs:99:91 [INFO] [stdout] | [INFO] [stdout] 99 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> lang/rust/syntax/src/rust.rs:312:91 [INFO] [stdout] | [INFO] [stdout] 312 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking fall_test v0.1.0 (/opt/rustwide/workdir/fall/test) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> fall/test/src/arith.rs:53:91 [INFO] [stdout] | [INFO] [stdout] 53 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> fall/test/src/sexp.rs:39:91 [INFO] [stdout] | [INFO] [stdout] 39 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> fall/test/src/weird.rs:54:91 [INFO] [stdout] | [INFO] [stdout] 54 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::rt::ERROR` [INFO] [stdout] --> lang/rust/syntax/src/rust.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use self::rt::ERROR; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> lang/rust/syntax/src/rust.rs:312:91 [INFO] [stdout] | [INFO] [stdout] 312 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lang_rust v0.1.0 (/opt/rustwide/workdir/lang/rust) [INFO] [stderr] Checking lang_fall v0.1.0 (/opt/rustwide/workdir/lang/fall) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> fall/test/src/arith.rs:53:91 [INFO] [stdout] | [INFO] [stdout] 53 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> fall/test/src/sexp.rs:39:91 [INFO] [stdout] | [INFO] [stdout] 39 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> fall/test/src/weird.rs:54:91 [INFO] [stdout] | [INFO] [stdout] 54 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fst` is imported redundantly [INFO] [stdout] --> lang/rust/src/editor/symbol_index.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use fst; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: lang/rust/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate fst; [INFO] [stdout] | ----------------- the item `fst` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `file` is imported redundantly [INFO] [stdout] --> lang/rust/src/editor/symbol_index.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use file; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: lang/rust/src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | extern crate file; [INFO] [stdout] | ------------------ the item `file` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fst` is imported redundantly [INFO] [stdout] --> lang/rust/src/editor/fst_subseq.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use fst; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: lang/rust/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate fst; [INFO] [stdout] | ----------------- the item `fst` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fst` is imported redundantly [INFO] [stdout] --> lang/rust/src/editor/symbol_index.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use fst; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: lang/rust/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate fst; [INFO] [stdout] | ----------------- the item `fst` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `file` is imported redundantly [INFO] [stdout] --> lang/rust/src/editor/symbol_index.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use file; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: lang/rust/src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | extern crate file; [INFO] [stdout] | ------------------ the item `file` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fst` is imported redundantly [INFO] [stdout] --> lang/rust/src/editor/fst_subseq.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use fst; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: lang/rust/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate fst; [INFO] [stdout] | ----------------- the item `fst` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> lang/fall/syntax/src/fall.rs:99:91 [INFO] [stdout] | [INFO] [stdout] 99 | struct Impl { parser_definition: rt::ParserDefinition, lexer: rt::RegexLexer }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tera v1.5.0 [INFO] [stderr] Checking fall_gen v0.1.0 (/opt/rustwide/workdir/fall/gen) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> fall/gen/src/generate/codegen.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: fall/gen/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> fall/gen/src/generate/codegen.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: fall/gen/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.29s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "561f6aa67effba81850288b10b2ed178c7a882bb0945c4ef937d76d8d5c8401d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "561f6aa67effba81850288b10b2ed178c7a882bb0945c4ef937d76d8d5c8401d", kill_on_drop: false }` [INFO] [stdout] 561f6aa67effba81850288b10b2ed178c7a882bb0945c4ef937d76d8d5c8401d [INFO] checking matklad/fall against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Ffall" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matklad/fall on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matklad/fall [INFO] finished tweaking git repo https://github.com/matklad/fall [INFO] tweaked toml for git repo https://github.com/matklad/fall written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/matklad/fall 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0bcbf4b591e48123476e8023e2ccc0bbbdf4fb2069bda39bcb33e6d3f11af510 [INFO] running `Command { std: "docker" "start" "-a" "0bcbf4b591e48123476e8023e2ccc0bbbdf4fb2069bda39bcb33e6d3f11af510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bcbf4b591e48123476e8023e2ccc0bbbdf4fb2069bda39bcb33e6d3f11af510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bcbf4b591e48123476e8023e2ccc0bbbdf4fb2069bda39bcb33e6d3f11af510", kill_on_drop: false }` [INFO] [stdout] 0bcbf4b591e48123476e8023e2ccc0bbbdf4fb2069bda39bcb33e6d3f11af510 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2893f54e380f3e8164c788f638cd066866c7ccb84ff3bad3c9170ff545f51fb6 [INFO] running `Command { std: "docker" "start" "-a" "2893f54e380f3e8164c788f638cd066866c7ccb84ff3bad3c9170ff545f51fb6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.78 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking elapsed v0.1.2 [INFO] [stderr] Checking file v1.1.2 [INFO] [stderr] Checking difference v1.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking proptest v0.3.4 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.9/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2893f54e380f3e8164c788f638cd066866c7ccb84ff3bad3c9170ff545f51fb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2893f54e380f3e8164c788f638cd066866c7ccb84ff3bad3c9170ff545f51fb6", kill_on_drop: false }` [INFO] [stdout] 2893f54e380f3e8164c788f638cd066866c7ccb84ff3bad3c9170ff545f51fb6