[INFO] crate mysql_common 0.21.0 is already in cache
[INFO] checking mysql_common-0.21.0 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate mysql_common 0.21.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mysql_common 0.21.0 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mysql_common 0.21.0
[INFO] finished tweaking crates.io crate mysql_common 0.21.0
[INFO] tweaked toml for crates.io crate mysql_common 0.21.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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] b0a10557be4ccabce43a6d30070d1de06c9da2949d7e41756e423de019ff52a8
[INFO] running `"docker" "start" "-a" "b0a10557be4ccabce43a6d30070d1de06c9da2949d7e41756e423de019ff52a8"`
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling lexical v4.2.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking rust_decimal v1.4.0
[INFO] [stderr]     Checking proptest v0.9.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]     Checking mysql_common v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/packets.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         { Regex::new(r"^5.5.5-(\d{1,2})\.(\d{1,2})\.(\d{1,3})-MariaDB").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/packets.rs:39:36
[INFO] [stderr]    |
[INFO] [stderr] 39 |     static ref VERSION_RE: Regex = { Regex::new(r"^(\d{1,2})\.(\d{1,2})\.(\d{1,3})(.*)").unwrap() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:29:41
[INFO] [stderr]    |
[INFO] [stderr] 29 |     static ref DATETIME_RE_YMD: Regex = { Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap() };
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         { Regex::new(r"^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         { Regex::new(r"^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{1,6}$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 |     static ref TIME_RE_HH_MM_SS: Regex = { Regex::new(r"^\d{2}:[0-5]\d:[0-5]\d$").unwrap() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         { Regex::new(r"^\d{2}:[0-5]\d:[0-5]\d\.\d{1,6}$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:37:43
[INFO] [stderr]    |
[INFO] [stderr] 37 |     static ref TIME_RE_HHH_MM_SS: Regex = { Regex::new(r"^[0-8]\d\d:[0-5]\d:[0-5]\d$").unwrap() };
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         { Regex::new(r"^[0-8]\d\d:[0-5]\d:[0-5]\d\.\d{1,6}$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/packets.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         { Regex::new(r"^5.5.5-(\d{1,2})\.(\d{1,2})\.(\d{1,3})-MariaDB").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/packets.rs:39:36
[INFO] [stderr]    |
[INFO] [stderr] 39 |     static ref VERSION_RE: Regex = { Regex::new(r"^(\d{1,2})\.(\d{1,2})\.(\d{1,3})(.*)").unwrap() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]     --> src/packets.rs:1609:13
[INFO] [stderr]      |
[INFO] [stderr] 1609 | /             (b"\x00\x00\x00\x02\x40\x00\x00\x00\x11\x00\x0f\x0a\x61\
[INFO] [stderr] 1610 | |         \x75\x74\x6f\x63\x6f\x6d\x6d\x69\x74\x03\x4f\x46\x46");
[INFO] [stderr]      | |______________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1609 |             b"\x00\x00\x00\x02\x40\x00\x00\x00\x11\x00\x0f\x0a\x61\
[INFO] [stderr] 1610 |         \x75\x74\x6f\x63\x6f\x6d\x6d\x69\x74\x03\x4f\x46\x46";
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:29:41
[INFO] [stderr]    |
[INFO] [stderr] 29 |     static ref DATETIME_RE_YMD: Regex = { Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap() };
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         { Regex::new(r"^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         { Regex::new(r"^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{1,6}$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 |     static ref TIME_RE_HH_MM_SS: Regex = { Regex::new(r"^\d{2}:[0-5]\d:[0-5]\d$").unwrap() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         { Regex::new(r"^\d{2}:[0-5]\d:[0-5]\d\.\d{1,6}$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:37:43
[INFO] [stderr]    |
[INFO] [stderr] 37 |     static ref TIME_RE_HHH_MM_SS: Regex = { Regex::new(r"^[0-8]\d\d:[0-5]\d:[0-5]\d$").unwrap() };
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/value/convert/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         { Regex::new(r"^[0-8]\d\d:[0-5]\d:[0-5]\d\.\d{1,6}$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.67s
[INFO] running `"docker" "inspect" "b0a10557be4ccabce43a6d30070d1de06c9da2949d7e41756e423de019ff52a8"`
[INFO] running `"docker" "rm" "-f" "b0a10557be4ccabce43a6d30070d1de06c9da2949d7e41756e423de019ff52a8"`
[INFO] [stdout] b0a10557be4ccabce43a6d30070d1de06c9da2949d7e41756e423de019ff52a8