[INFO] crate mysql_common 0.22.1 is already in cache
[INFO] checking mysql_common-0.22.1 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate mysql_common 0.22.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mysql_common 0.22.1 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mysql_common 0.22.1
[INFO] finished tweaking crates.io crate mysql_common 0.22.1
[INFO] tweaked toml for crates.io crate mysql_common 0.22.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 251a96063a5bdfe548dcfdd1c837900ef7583eb9682d615e491d3687293910fb
[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" "251a96063a5bdfe548dcfdd1c837900ef7583eb9682d615e491d3687293910fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251a96063a5bdfe548dcfdd1c837900ef7583eb9682d615e491d3687293910fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251a96063a5bdfe548dcfdd1c837900ef7583eb9682d615e491d3687293910fb", kill_on_drop: false }`
[INFO] [stdout] 251a96063a5bdfe548dcfdd1c837900ef7583eb9682d615e491d3687293910fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07938bbf6f7987f2c21dbb09a71eac0688b029d9678d946078326fd935832fe8
[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" "07938bbf6f7987f2c21dbb09a71eac0688b029d9678d946078326fd935832fe8", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
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[INFO] [stderr]     Checking object v0.20.0
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[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]    Compiling libz-sys v1.0.25
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[INFO] [stderr]    Compiling time v0.2.16
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]     Checking rust_decimal v1.7.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
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[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mysql_common v0.22.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/packets.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         { Regex::new(r"^5.5.5-(\d{1,2})\.(\d{1,2})\.(\d{1,3})-MariaDB").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/packets.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |     static ref VERSION_RE: Regex = { Regex::new(r"^(\d{1,2})\.(\d{1,2})\.(\d{1,3})(.*)").unwrap() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |     static ref DATETIME_RE_YMD: Regex = { Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap() };
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         { Regex::new(r"^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         { Regex::new(r"^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{1,6}$").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 |     static ref TIME_RE_HH_MM_SS: Regex = { Regex::new(r"^\d{2}:[0-5]\d:[0-5]\d$").unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         { Regex::new(r"^\d{2}:[0-5]\d:[0-5]\d\.\d{1,6}$").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:33:43
[INFO] [stdout]    |
[INFO] [stdout] 33 |     static ref TIME_RE_HHH_MM_SS: Regex = { Regex::new(r"^[0-8]\d\d:[0-5]\d:[0-5]\d$").unwrap() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         { Regex::new(r"^[0-8]\d\d:[0-5]\d:[0-5]\d\.\d{1,6}$").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/packets.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         { Regex::new(r"^5.5.5-(\d{1,2})\.(\d{1,2})\.(\d{1,3})-MariaDB").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/packets.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |     static ref VERSION_RE: Regex = { Regex::new(r"^(\d{1,2})\.(\d{1,2})\.(\d{1,3})(.*)").unwrap() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |     static ref DATETIME_RE_YMD: Regex = { Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap() };
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         { Regex::new(r"^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         { Regex::new(r"^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{1,6}$").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 |     static ref TIME_RE_HH_MM_SS: Regex = { Regex::new(r"^\d{2}:[0-5]\d:[0-5]\d$").unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         { Regex::new(r"^\d{2}:[0-5]\d:[0-5]\d\.\d{1,6}$").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:33:43
[INFO] [stdout]    |
[INFO] [stdout] 33 |     static ref TIME_RE_HHH_MM_SS: Regex = { Regex::new(r"^[0-8]\d\d:[0-5]\d:[0-5]\d$").unwrap() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/value/convert/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         { Regex::new(r"^[0-8]\d\d:[0-5]\d:[0-5]\d\.\d{1,6}$").unwrap() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "07938bbf6f7987f2c21dbb09a71eac0688b029d9678d946078326fd935832fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07938bbf6f7987f2c21dbb09a71eac0688b029d9678d946078326fd935832fe8", kill_on_drop: false }`
[INFO] [stdout] 07938bbf6f7987f2c21dbb09a71eac0688b029d9678d946078326fd935832fe8