[INFO] fetching crate zypo-rs 0.0.3... [INFO] checking zypo-rs-0.0.3 against beta for pr-78714 [INFO] extracting crate zypo-rs 0.0.3 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate zypo-rs 0.0.3 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate zypo-rs 0.0.3 [INFO] finished tweaking crates.io crate zypo-rs 0.0.3 [INFO] tweaked toml for crates.io crate zypo-rs 0.0.3 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate zypo-rs 0.0.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76ad9f99bcf9e62ba64d57c5a89f62d37c531195fffc223f29cd5af4d12ba133 [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" "76ad9f99bcf9e62ba64d57c5a89f62d37c531195fffc223f29cd5af4d12ba133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76ad9f99bcf9e62ba64d57c5a89f62d37c531195fffc223f29cd5af4d12ba133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76ad9f99bcf9e62ba64d57c5a89f62d37c531195fffc223f29cd5af4d12ba133", kill_on_drop: false }` [INFO] [stdout] 76ad9f99bcf9e62ba64d57c5a89f62d37c531195fffc223f29cd5af4d12ba133 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 306e5f96957ef1532d95615ebdec0793ed7ba836c5341e5454575e5d26ea1390 [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" "306e5f96957ef1532d95615ebdec0793ed7ba836c5341e5454575e5d26ea1390", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.4 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling structopt-derive v0.3.2 [INFO] [stderr] Checking structopt v0.3.2 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling zypo-rs v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:3908:5 [INFO] [stdout] | [INFO] [stdout] 3908 | (__0) [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 block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:3919:5 [INFO] [stdout] | [INFO] [stdout] 3919 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:3949:5 [INFO] [stdout] | [INFO] [stdout] 3949 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4029:5 [INFO] [stdout] | [INFO] [stdout] 4029 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4134:5 [INFO] [stdout] | [INFO] [stdout] 4134 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4257:5 [INFO] [stdout] | [INFO] [stdout] 4257 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4303:5 [INFO] [stdout] | [INFO] [stdout] 4303 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4349:5 [INFO] [stdout] | [INFO] [stdout] 4349 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4395:5 [INFO] [stdout] | [INFO] [stdout] 4395 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4573:5 [INFO] [stdout] | [INFO] [stdout] 4573 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4640:5 [INFO] [stdout] | [INFO] [stdout] 4640 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4675:5 [INFO] [stdout] | [INFO] [stdout] 4675 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4732:5 [INFO] [stdout] | [INFO] [stdout] 4732 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:3908:5 [INFO] [stdout] | [INFO] [stdout] 3908 | (__0) [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 block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:3919:5 [INFO] [stdout] | [INFO] [stdout] 3919 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:3949:5 [INFO] [stdout] | [INFO] [stdout] 3949 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4029:5 [INFO] [stdout] | [INFO] [stdout] 4029 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4134:5 [INFO] [stdout] | [INFO] [stdout] 4134 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4257:5 [INFO] [stdout] | [INFO] [stdout] 4257 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4303:5 [INFO] [stdout] | [INFO] [stdout] 4303 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4349:5 [INFO] [stdout] | [INFO] [stdout] 4349 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4395:5 [INFO] [stdout] | [INFO] [stdout] 4395 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4573:5 [INFO] [stdout] | [INFO] [stdout] 4573 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4640:5 [INFO] [stdout] | [INFO] [stdout] 4640 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4675:5 [INFO] [stdout] | [INFO] [stdout] 4675 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-cdf35eec56c4c603/out/parser/grammar.rs:4732:5 [INFO] [stdout] | [INFO] [stdout] 4732 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 03s [INFO] running `Command { std: "docker" "inspect" "306e5f96957ef1532d95615ebdec0793ed7ba836c5341e5454575e5d26ea1390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "306e5f96957ef1532d95615ebdec0793ed7ba836c5341e5454575e5d26ea1390", kill_on_drop: false }` [INFO] [stdout] 306e5f96957ef1532d95615ebdec0793ed7ba836c5341e5454575e5d26ea1390