[INFO] fetching crate libaster 1.2.1...
[INFO] testing libaster-1.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libaster 1.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libaster 1.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libaster 1.2.1
[INFO] finished tweaking crates.io crate libaster 1.2.1
[INFO] tweaked toml for crates.io crate libaster 1.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d93ef310e6573c0d13a9bc62117904d90b9a3ce26bc5f3c037fb2e52ece2f2a9
[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" "d93ef310e6573c0d13a9bc62117904d90b9a3ce26bc5f3c037fb2e52ece2f2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d93ef310e6573c0d13a9bc62117904d90b9a3ce26bc5f3c037fb2e52ece2f2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93ef310e6573c0d13a9bc62117904d90b9a3ce26bc5f3c037fb2e52ece2f2a9", kill_on_drop: false }`
[INFO] [stdout] d93ef310e6573c0d13a9bc62117904d90b9a3ce26bc5f3c037fb2e52ece2f2a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9e8d956ef288e4ade797d63a23ed7b226fa8d4ed9a16446046285d04b4aa5de
[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" "c9e8d956ef288e4ade797d63a23ed7b226fa8d4ed9a16446046285d04b4aa5de", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling inotify v0.8.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling libaster v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/protocol/redis/resp.rs:509:38
[INFO] [stdout]     |
[INFO] [stdout] 509 |     static ref FINDER: AhoCorasick = { AhoCorasick::new(PATTERNS) };
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.22s
[INFO] running `Command { std: "docker" "inspect" "c9e8d956ef288e4ade797d63a23ed7b226fa8d4ed9a16446046285d04b4aa5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e8d956ef288e4ade797d63a23ed7b226fa8d4ed9a16446046285d04b4aa5de", kill_on_drop: false }`
[INFO] [stdout] c9e8d956ef288e4ade797d63a23ed7b226fa8d4ed9a16446046285d04b4aa5de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] e5057d0cb4e711ad170f49ceac3c2cc02c73bf34d152c2c1893786b1e5beae26
[INFO] running `Command { std: "docker" "start" "-a" "e5057d0cb4e711ad170f49ceac3c2cc02c73bf34d152c2c1893786b1e5beae26", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/protocol/redis/resp.rs:509:38
[INFO] [stdout]     |
[INFO] [stdout] 509 |     static ref FINDER: AhoCorasick = { AhoCorasick::new(PATTERNS) };
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling assert2-macros v0.1.0
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling assert2 v0.1.2
[INFO] [stderr]    Compiling libaster v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/protocol/redis/resp.rs:509:38
[INFO] [stdout]     |
[INFO] [stdout] 509 |     static ref FINDER: AhoCorasick = { AhoCorasick::new(PATTERNS) };
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.30s
[INFO] running `Command { std: "docker" "inspect" "e5057d0cb4e711ad170f49ceac3c2cc02c73bf34d152c2c1893786b1e5beae26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5057d0cb4e711ad170f49ceac3c2cc02c73bf34d152c2c1893786b1e5beae26", kill_on_drop: false }`
[INFO] [stdout] e5057d0cb4e711ad170f49ceac3c2cc02c73bf34d152c2c1893786b1e5beae26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 973eb8e0b12bc4c87e8f59f3d03f3f233609cb22c9f66ac1380dffc7a48a700b
[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" "973eb8e0b12bc4c87e8f59f3d03f3f233609cb22c9f66ac1380dffc7a48a700b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> src/protocol/redis/resp.rs:509:38
[INFO] [stderr]     |
[INFO] [stderr] 509 |     static ref FINDER: AhoCorasick = { AhoCorasick::new(PATTERNS) };
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> src/protocol/redis/resp.rs:509:38
[INFO] [stderr]     |
[INFO] [stderr] 509 |     static ref FINDER: AhoCorasick = { AhoCorasick::new(PATTERNS) };
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libaster-5da7e622ff7691cf
[INFO] [stdout] running 21 tests
[INFO] [stdout] test protocol::mc::msg::test::test_parser_error ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_iter_bulk ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_iter ... ok
[INFO] [stdout] test protocol::mc::msg::test::test_parse_text_all_ok ... ok
[INFO] [stdout] test protocol::redis::test_redis_parse_wrong_case ... ok
[INFO] [stdout] test proxy::standalone::fnv::test_fnv1a::fnv1a_hash ... ok
[INFO] [stdout] test utils::crc::test_crc16 ... ok
[INFO] [stdout] test protocol::mc::msg::test::test_parse_twice ... ok
[INFO] [stdout] test protocol::mc::test_mc_parse_wrong_case ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_handle_empy_query ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_parse_cluster_slots ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_non_number_multibulk_payload_length ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_negative_mutiblk_payload_length ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_negative_multibulk_length ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_iter_plain ... ok
[INFO] [stdout] test protocol::mc::msg::test::test_parse_bin ... ok
[INFO] [stdout] test protocol::redis::resp::test_parse ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_wrong_mutlti_bulk_payload_header ... ok
[INFO] [stdout] test protocol::redis::resp::test::test_parse_inline ... ok
[INFO] [stdout] test utils::test_itoa_ok ... ok
[INFO] [stdout] test proxy::standalone::ketama::test_ketama::ketama_dist ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libaster
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/protocol/redis/resp.rs:509:38
[INFO] [stderr]     |
[INFO] [stderr] 509 |     static ref FINDER: AhoCorasick = { AhoCorasick::new(PATTERNS) };
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "973eb8e0b12bc4c87e8f59f3d03f3f233609cb22c9f66ac1380dffc7a48a700b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973eb8e0b12bc4c87e8f59f3d03f3f233609cb22c9f66ac1380dffc7a48a700b", kill_on_drop: false }`
[INFO] [stdout] 973eb8e0b12bc4c87e8f59f3d03f3f233609cb22c9f66ac1380dffc7a48a700b