[INFO] fetching crate zypo-rs 0.0.3... [INFO] checking zypo-rs-0.0.3 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate zypo-rs 0.0.3 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate zypo-rs 0.0.3 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-11/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c030fc4d3542fa74874ba4f1b0e7d7884c21c30b77d5c86f577572bb4e8230ab [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" "c030fc4d3542fa74874ba4f1b0e7d7884c21c30b77d5c86f577572bb4e8230ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c030fc4d3542fa74874ba4f1b0e7d7884c21c30b77d5c86f577572bb4e8230ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c030fc4d3542fa74874ba4f1b0e7d7884c21c30b77d5c86f577572bb4e8230ab", kill_on_drop: false }` [INFO] [stdout] c030fc4d3542fa74874ba4f1b0e7d7884c21c30b77d5c86f577572bb4e8230ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b14ef6cace4cf7bc7174682e878dfb042ce2362308fe6748613088ca364a1123 [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" "b14ef6cace4cf7bc7174682e878dfb042ce2362308fe6748613088ca364a1123", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [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 ena v0.13.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling quote v1.0.2 [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 term v0.5.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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-34c16bbfbdfc9462/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 10s [INFO] running `Command { std: "docker" "inspect" "b14ef6cace4cf7bc7174682e878dfb042ce2362308fe6748613088ca364a1123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b14ef6cace4cf7bc7174682e878dfb042ce2362308fe6748613088ca364a1123", kill_on_drop: false }` [INFO] [stdout] b14ef6cace4cf7bc7174682e878dfb042ce2362308fe6748613088ca364a1123