[INFO] cloning repository https://github.com/xttjsn/decaf-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xttjsn/decaf-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxttjsn%2Fdecaf-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxttjsn%2Fdecaf-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 092e306f7d6d5a15c2118b1114a53bb53b5fd46d [INFO] checking xttjsn/decaf-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxttjsn%2Fdecaf-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xttjsn/decaf-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xttjsn/decaf-rust [INFO] finished tweaking git repo https://github.com/xttjsn/decaf-rust [INFO] tweaked toml for git repo https://github.com/xttjsn/decaf-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/xttjsn/decaf-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dc577ce072ba74963057090a23970cd9119bfd1bb1f909a6e3bcc08b52ce0404 [INFO] running `Command { std: "docker" "start" "-a" "dc577ce072ba74963057090a23970cd9119bfd1bb1f909a6e3bcc08b52ce0404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc577ce072ba74963057090a23970cd9119bfd1bb1f909a6e3bcc08b52ce0404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc577ce072ba74963057090a23970cd9119bfd1bb1f909a6e3bcc08b52ce0404", kill_on_drop: false }` [INFO] [stdout] dc577ce072ba74963057090a23970cd9119bfd1bb1f909a6e3bcc08b52ce0404 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9bfc0686c912a754aaa9b45b562bb61347bf72e310333016454b938a8eb65d0 [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" "a9bfc0686c912a754aaa9b45b562bb61347bf72e310333016454b938a8eb65d0", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling vec_map v0.6.0 [INFO] [stderr] Compiling lalr v0.0.2 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling bit-set v0.4.0 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling redfa v0.0.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling llvm-sys v80.1.1 [INFO] [stderr] Compiling plex v0.2.5 [INFO] [stderr] Checking decaf v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1158:13 [INFO] [stdout] | [INFO] [stdout] 1158 | Ident(id) dim[d] => ArrayExpr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:624:13 [INFO] [stdout] | [INFO] [stdout] 624 | Class Ident(id) supernode[s] LBrace members[ms] RBrace => ClassNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:630:13 [INFO] [stdout] | [INFO] [stdout] 630 | Class Ident(id) LBrace members[ms] RBrace => ClassNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:680:13 [INFO] [stdout] | [INFO] [stdout] 680 | modifiers[ms] Ident(id) formalargs[args] block[b] => Ctor { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1173:13 [INFO] [stdout] | [INFO] [stdout] 1173 | BoolLit(b) => Literal { [INFO] [stdout] | ^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1177:13 [INFO] [stdout] | [INFO] [stdout] 1177 | IntLit(i) => Literal { [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1181:13 [INFO] [stdout] | [INFO] [stdout] 1181 | CharLit(c) => Literal { [INFO] [stdout] | ^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1185:13 [INFO] [stdout] | [INFO] [stdout] 1185 | StrLit(s) => Literal { [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:669:13 [INFO] [stdout] | [INFO] [stdout] 669 | modifiers[ms] ty[t] Ident(id) formalargs[args] block[b] => Method { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1063:13 [INFO] [stdout] | [INFO] [stdout] 1063 | New Ident(id) dims[ds] => NewArrayExpr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1105:13 [INFO] [stdout] | [INFO] [stdout] 1105 | New Ident(id) actualargs[a] => NonNewArrayExpr{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1110:13 [INFO] [stdout] | [INFO] [stdout] 1110 | Ident(id) actualargs[a] => NonNewArrayExpr{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1044:13 [INFO] [stdout] | [INFO] [stdout] 1044 | Ident(id) => Primary { [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1051:13 [INFO] [stdout] | [INFO] [stdout] 1051 | primary[p] Dot Ident(id) => (p, id), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1059:13 [INFO] [stdout] | [INFO] [stdout] 1059 | Super Dot Ident(id) => id, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:639:13 [INFO] [stdout] | [INFO] [stdout] 639 | Extends Ident(id) => SuperNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:745:13 [INFO] [stdout] | [INFO] [stdout] 745 | Ident(id) => Type::Custom(id), [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:788:13 [INFO] [stdout] | [INFO] [stdout] 788 | Ident(id) => VarDeclaratorId { [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1158:13 [INFO] [stdout] | [INFO] [stdout] 1158 | Ident(id) dim[d] => ArrayExpr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:624:13 [INFO] [stdout] | [INFO] [stdout] 624 | Class Ident(id) supernode[s] LBrace members[ms] RBrace => ClassNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:630:13 [INFO] [stdout] | [INFO] [stdout] 630 | Class Ident(id) LBrace members[ms] RBrace => ClassNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:680:13 [INFO] [stdout] | [INFO] [stdout] 680 | modifiers[ms] Ident(id) formalargs[args] block[b] => Ctor { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1173:13 [INFO] [stdout] | [INFO] [stdout] 1173 | BoolLit(b) => Literal { [INFO] [stdout] | ^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1177:13 [INFO] [stdout] | [INFO] [stdout] 1177 | IntLit(i) => Literal { [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1181:13 [INFO] [stdout] | [INFO] [stdout] 1181 | CharLit(c) => Literal { [INFO] [stdout] | ^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1185:13 [INFO] [stdout] | [INFO] [stdout] 1185 | StrLit(s) => Literal { [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:669:13 [INFO] [stdout] | [INFO] [stdout] 669 | modifiers[ms] ty[t] Ident(id) formalargs[args] block[b] => Method { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1063:13 [INFO] [stdout] | [INFO] [stdout] 1063 | New Ident(id) dims[ds] => NewArrayExpr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1105:13 [INFO] [stdout] | [INFO] [stdout] 1105 | New Ident(id) actualargs[a] => NonNewArrayExpr{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1110:13 [INFO] [stdout] | [INFO] [stdout] 1110 | Ident(id) actualargs[a] => NonNewArrayExpr{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1044:13 [INFO] [stdout] | [INFO] [stdout] 1044 | Ident(id) => Primary { [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1051:13 [INFO] [stdout] | [INFO] [stdout] 1051 | primary[p] Dot Ident(id) => (p, id), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:1059:13 [INFO] [stdout] | [INFO] [stdout] 1059 | Super Dot Ident(id) => id, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:639:13 [INFO] [stdout] | [INFO] [stdout] 639 | Extends Ident(id) => SuperNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:745:13 [INFO] [stdout] | [INFO] [stdout] 745 | Ident(id) => Type::Custom(id), [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lnp.rs:788:13 [INFO] [stdout] | [INFO] [stdout] 788 | Ident(id) => VarDeclaratorId { [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `matches_macro` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(matches_macro)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `matches_macro` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(matches_macro)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.69s [INFO] running `Command { std: "docker" "inspect" "a9bfc0686c912a754aaa9b45b562bb61347bf72e310333016454b938a8eb65d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9bfc0686c912a754aaa9b45b562bb61347bf72e310333016454b938a8eb65d0", kill_on_drop: false }` [INFO] [stdout] a9bfc0686c912a754aaa9b45b562bb61347bf72e310333016454b938a8eb65d0