[INFO] fetching crate zypo-rs 0.0.3... [INFO] checking zypo-rs-0.0.3 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] extracting crate zypo-rs 0.0.3 into /workspace/builds/worker-7-tc1/source [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-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate zypo-rs 0.0.3 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate zypo-rs 0.0.3 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-error v0.2.6 [INFO] [stderr] Downloaded structopt-derive v0.3.2 [INFO] [stderr] Downloaded string_cache v0.7.4 [INFO] [stderr] Downloaded itertools v0.8.0 [INFO] [stderr] Downloaded structopt v0.3.2 [INFO] [stderr] Downloaded proc-macro2 v1.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c6e839ff02b1f04326828a57966e757da88b000959cc4e22196c97ca067d7ee [INFO] running `Command { std: "docker" "start" "-a" "0c6e839ff02b1f04326828a57966e757da88b000959cc4e22196c97ca067d7ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c6e839ff02b1f04326828a57966e757da88b000959cc4e22196c97ca067d7ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c6e839ff02b1f04326828a57966e757da88b000959cc4e22196c97ca067d7ee", kill_on_drop: false }` [INFO] [stdout] 0c6e839ff02b1f04326828a57966e757da88b000959cc4e22196c97ca067d7ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48ad3509c3f3f704e2611254849d61558d3bdab3d0375e6ca4d94717332f61f6 [INFO] running `Command { std: "docker" "start" "-a" "48ad3509c3f3f704e2611254849d61558d3bdab3d0375e6ca4d94717332f61f6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling heck v0.3.1 [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 term v0.5.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.4 [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 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-b8add813a89099ea/out/parser/grammar.rs:3908:5 [INFO] [stdout] | [INFO] [stdout] 3908 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 3908 - (__0) [INFO] [stdout] 3908 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:3919:5 [INFO] [stdout] | [INFO] [stdout] 3919 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 3919 - (__0) [INFO] [stdout] 3919 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:3949:5 [INFO] [stdout] | [INFO] [stdout] 3949 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 3949 - (__0) [INFO] [stdout] 3949 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4029:5 [INFO] [stdout] | [INFO] [stdout] 4029 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4029 - (__0) [INFO] [stdout] 4029 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4134:5 [INFO] [stdout] | [INFO] [stdout] 4134 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4134 - (__0) [INFO] [stdout] 4134 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4257:5 [INFO] [stdout] | [INFO] [stdout] 4257 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4257 - (__0) [INFO] [stdout] 4257 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4303:5 [INFO] [stdout] | [INFO] [stdout] 4303 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4303 - (__0) [INFO] [stdout] 4303 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4349:5 [INFO] [stdout] | [INFO] [stdout] 4349 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4349 - (__0) [INFO] [stdout] 4349 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4395:5 [INFO] [stdout] | [INFO] [stdout] 4395 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4395 - (__0) [INFO] [stdout] 4395 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4573:5 [INFO] [stdout] | [INFO] [stdout] 4573 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4573 - (__0) [INFO] [stdout] 4573 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4640:5 [INFO] [stdout] | [INFO] [stdout] 4640 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4640 - (__0) [INFO] [stdout] 4640 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4675:5 [INFO] [stdout] | [INFO] [stdout] 4675 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4675 - (__0) [INFO] [stdout] 4675 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4732:5 [INFO] [stdout] | [INFO] [stdout] 4732 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4732 - (__0) [INFO] [stdout] 4732 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:3908:5 [INFO] [stdout] | [INFO] [stdout] 3908 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 3908 - (__0) [INFO] [stdout] 3908 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:3919:5 [INFO] [stdout] | [INFO] [stdout] 3919 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 3919 - (__0) [INFO] [stdout] 3919 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:3949:5 [INFO] [stdout] | [INFO] [stdout] 3949 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 3949 - (__0) [INFO] [stdout] 3949 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4029:5 [INFO] [stdout] | [INFO] [stdout] 4029 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4029 - (__0) [INFO] [stdout] 4029 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4134:5 [INFO] [stdout] | [INFO] [stdout] 4134 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4134 - (__0) [INFO] [stdout] 4134 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4257:5 [INFO] [stdout] | [INFO] [stdout] 4257 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4257 - (__0) [INFO] [stdout] 4257 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4303:5 [INFO] [stdout] | [INFO] [stdout] 4303 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4303 - (__0) [INFO] [stdout] 4303 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4349:5 [INFO] [stdout] | [INFO] [stdout] 4349 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4349 - (__0) [INFO] [stdout] 4349 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4395:5 [INFO] [stdout] | [INFO] [stdout] 4395 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4395 - (__0) [INFO] [stdout] 4395 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4573:5 [INFO] [stdout] | [INFO] [stdout] 4573 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4573 - (__0) [INFO] [stdout] 4573 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4640:5 [INFO] [stdout] | [INFO] [stdout] 4640 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4640 - (__0) [INFO] [stdout] 4640 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4675:5 [INFO] [stdout] | [INFO] [stdout] 4675 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4675 - (__0) [INFO] [stdout] 4675 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/zypo-rs-b8add813a89099ea/out/parser/grammar.rs:4732:5 [INFO] [stdout] | [INFO] [stdout] 4732 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4732 - (__0) [INFO] [stdout] 4732 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.85s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.17.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "48ad3509c3f3f704e2611254849d61558d3bdab3d0375e6ca4d94717332f61f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48ad3509c3f3f704e2611254849d61558d3bdab3d0375e6ca4d94717332f61f6", kill_on_drop: false }` [INFO] [stdout] 48ad3509c3f3f704e2611254849d61558d3bdab3d0375e6ca4d94717332f61f6