[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] 71cd05c6eaa026f692db87d4a8ffe1326706efd4 [INFO] checking matklad/fall against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Ffall" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matklad/fall on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-8/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: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce018b02b71e5017e6cded8f37ffeaffd4a12d282266d78c49ed817be9f9a0db [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" "ce018b02b71e5017e6cded8f37ffeaffd4a12d282266d78c49ed817be9f9a0db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce018b02b71e5017e6cded8f37ffeaffd4a12d282266d78c49ed817be9f9a0db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce018b02b71e5017e6cded8f37ffeaffd4a12d282266d78c49ed817be9f9a0db", kill_on_drop: false }` [INFO] [stdout] ce018b02b71e5017e6cded8f37ffeaffd4a12d282266d78c49ed817be9f9a0db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95a13e85c3b892f9f1cda774b7fed8c0ab3b6d41a82a7d403731c26f68e05fec [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" "95a13e85c3b892f9f1cda774b7fed8c0ab3b6d41a82a7d403731c26f68e05fec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.78 [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 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 regex-syntax v0.6.18 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking file v1.1.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking difference v1.0.0 [INFO] [stderr] Checking elapsed v0.1.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Compiling procedural-masquerade v0.1.5 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking unic-common v0.9.0 [INFO] [stderr] Checking unic-char-range v0.9.0 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling fst v0.4.4 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking deunicode v0.4.3 [INFO] [stderr] Checking ordslice v0.2.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking humansize v1.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling miniz_oxide v0.4.2 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking unic-char-property v0.9.0 [INFO] [stderr] Checking unic-ucd-version v0.9.0 [INFO] [stderr] Checking slug v0.1.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking unic-ucd-segment v0.9.0 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking unic-segment v0.9.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking filetime v0.2.12 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking simplelog v0.4.4 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking proptest v0.3.4 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking backtrace v0.3.51 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking m_lexer v0.0.4 [INFO] [stderr] Checking globset v0.4.5 [INFO] [stderr] Checking indxr v0.1.0 (/opt/rustwide/workdir/indxr) [INFO] [stderr] Checking ignore v0.4.16 [INFO] [stderr] Compiling parse-zoneinfo v0.3.0 [INFO] [stderr] Checking globwalk v0.8.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling rental-impl v0.4.15 [INFO] [stderr] Compiling typed_index_derive v0.1.4 [INFO] [stderr] Checking fall_text v0.1.0 (/opt/rustwide/workdir/fall/text) [INFO] [stderr] Compiling chrono-tz v0.5.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking rental v0.4.16 [INFO] [stderr] Checking fall_tree v0.1.0 (/opt/rustwide/workdir/fall/tree) [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/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/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: 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: 1 warning emitted [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking fall_test v0.1.0 (/opt/rustwide/workdir/fall/test) [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] [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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lang_fall v0.1.0 (/opt/rustwide/workdir/lang/fall) [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 lang_rust v0.1.0 (/opt/rustwide/workdir/lang/rust) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> lang/fall/src/analysis/mod.rs:100:1 [INFO] [stdout] | [INFO] [stdout] 100 | / rental! { [INFO] [stdout] 101 | | mod rent { [INFO] [stdout] 102 | | use super::*; [INFO] [stdout] 103 | | [INFO] [stdout] ... | [INFO] [stdout] 109 | | } [INFO] [stdout] 110 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(proc_macro_back_compat)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> lang/fall/src/analysis/mod.rs:100:1 [INFO] [stdout] | [INFO] [stdout] 100 | / rental! { [INFO] [stdout] 101 | | mod rent { [INFO] [stdout] 102 | | use super::*; [INFO] [stdout] 103 | | [INFO] [stdout] ... | [INFO] [stdout] 109 | | } [INFO] [stdout] 110 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(proc_macro_back_compat)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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 tera v1.5.0 [INFO] [stderr] Checking fall_gen v0.1.0 (/opt/rustwide/workdir/fall/gen) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.89s [INFO] running `Command { std: "docker" "inspect" "95a13e85c3b892f9f1cda774b7fed8c0ab3b6d41a82a7d403731c26f68e05fec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95a13e85c3b892f9f1cda774b7fed8c0ab3b6d41a82a7d403731c26f68e05fec", kill_on_drop: false }` [INFO] [stdout] 95a13e85c3b892f9f1cda774b7fed8c0ab3b6d41a82a7d403731c26f68e05fec