[INFO] cloning repository https://github.com/vojta7/pra-lang [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vojta7/pra-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvojta7%2Fpra-lang"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvojta7%2Fpra-lang'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2697fac1868e5c4fa518ea514ce93f0ea1160ba6 [INFO] checking vojta7/pra-lang against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvojta7%2Fpra-lang" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vojta7/pra-lang on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368 [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/vojta7/pra-lang [INFO] finished tweaking git repo https://github.com/vojta7/pra-lang [INFO] tweaked toml for git repo https://github.com/vojta7/pra-lang written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/vojta7/pra-lang already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] df98f27a4372d0d0fe31ba65e0e710aa14e6e3b7bc510499f5d4dd2358994e5e [INFO] running `"docker" "start" "-a" "df98f27a4372d0d0fe31ba65e0e710aa14e6e3b7bc510499f5d4dd2358994e5e"` [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling aho-corasick v0.7.8 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling sha2 v0.8.1 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling pra-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:10722:5 [INFO] [stderr] | [INFO] [stderr] 10722 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:10733:5 [INFO] [stderr] | [INFO] [stderr] 10733 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:10744:5 [INFO] [stderr] | [INFO] [stderr] 10744 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:10936:5 [INFO] [stderr] | [INFO] [stderr] 10936 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11164:5 [INFO] [stderr] | [INFO] [stderr] 11164 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11194:5 [INFO] [stderr] | [INFO] [stderr] 11194 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11224:5 [INFO] [stderr] | [INFO] [stderr] 11224 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11254:5 [INFO] [stderr] | [INFO] [stderr] 11254 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11355:5 [INFO] [stderr] | [INFO] [stderr] 11355 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11587:5 [INFO] [stderr] | [INFO] [stderr] 11587 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11668:5 [INFO] [stderr] | [INFO] [stderr] 11668 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:10722:5 [INFO] [stderr] | [INFO] [stderr] 10722 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:10733:5 [INFO] [stderr] | [INFO] [stderr] 10733 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:10744:5 [INFO] [stderr] | [INFO] [stderr] 10744 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:10936:5 [INFO] [stderr] | [INFO] [stderr] 10936 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11164:5 [INFO] [stderr] | [INFO] [stderr] 11164 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11194:5 [INFO] [stderr] | [INFO] [stderr] 11194 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11224:5 [INFO] [stderr] | [INFO] [stderr] 11224 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11254:5 [INFO] [stderr] | [INFO] [stderr] 11254 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11355:5 [INFO] [stderr] | [INFO] [stderr] 11355 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11587:5 [INFO] [stderr] | [INFO] [stderr] 11587 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/pra-lang-942de2c546b86fff/out/parser.rs:11668:5 [INFO] [stderr] | [INFO] [stderr] 11668 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 09s [INFO] running `"docker" "inspect" "df98f27a4372d0d0fe31ba65e0e710aa14e6e3b7bc510499f5d4dd2358994e5e"` [INFO] running `"docker" "rm" "-f" "df98f27a4372d0d0fe31ba65e0e710aa14e6e3b7bc510499f5d4dd2358994e5e"` [INFO] [stdout] df98f27a4372d0d0fe31ba65e0e710aa14e6e3b7bc510499f5d4dd2358994e5e