[INFO] cloning repository https://github.com/liuchengyiu/datacenter-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liuchengyiu/datacenter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuchengyiu%2Fdatacenter-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuchengyiu%2Fdatacenter-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4664d6f78fd18398503f941a7f3f6c5c4421bacc
[INFO] testing liuchengyiu/datacenter-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuchengyiu%2Fdatacenter-rust" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liuchengyiu/datacenter-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liuchengyiu/datacenter-rust
[INFO] finished tweaking git repo https://github.com/liuchengyiu/datacenter-rust
[INFO] tweaked toml for git repo https://github.com/liuchengyiu/datacenter-rust written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/liuchengyiu/datacenter-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7af41c6a85b9560e64f07d6f34d71690789da1db76dac85b2dccc6131932cff6
[INFO] running `Command { std: "docker" "start" "-a" "7af41c6a85b9560e64f07d6f34d71690789da1db76dac85b2dccc6131932cff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7af41c6a85b9560e64f07d6f34d71690789da1db76dac85b2dccc6131932cff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af41c6a85b9560e64f07d6f34d71690789da1db76dac85b2dccc6131932cff6", kill_on_drop: false }`
[INFO] [stdout] 7af41c6a85b9560e64f07d6f34d71690789da1db76dac85b2dccc6131932cff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6967a5b178002d169969d9991e6eff3b798bdcce547caf89b8f0117de8f2d967
[INFO] running `Command { std: "docker" "start" "-a" "6967a5b178002d169969d9991e6eff3b798bdcce547caf89b8f0117de8f2d967", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling futures-timer v0.1.1
[INFO] [stderr]    Compiling sqlite3-src v0.2.12
[INFO] [stderr]    Compiling paho-mqtt-sys v0.3.0
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling sqlite3-sys v0.12.0
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-io v1.2.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling sqlite v0.25.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-std v1.7.0
[INFO] [stderr]    Compiling paho-mqtt v0.7.1
[INFO] [stderr]    Compiling database v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `object`
[INFO] [stdout]  --> src/common/common.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json::{self, object::Object, object};
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MQTT_VERSION_3_1_1`
[INFO] [stdout]  --> src/mqtt_lib/mqtt_init.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MQTT_VERSION_3_1_1,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_appname`
[INFO] [stdout]  --> src/protocol/deals/model/index.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     get_appname,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/sql/operate.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut flag: bool = false;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]    --> src/sql/operate.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut flag: bool = false;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `request_message` is never read
[INFO] [stdout]   --> src/protocol/deals/version/index.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut request_message = JsonValue::new_object();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/protocol/deals/register/index.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     let mut flag = false;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_deal`
[INFO] [stdout]    --> src/protocol/deals/register/index.rs:239:17
[INFO] [stdout]     |
[INFO] [stdout] 239 |             let db_deal = |e: sqlite::Error| {
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_deal`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_deal`
[INFO] [stdout]    --> src/protocol/deals/register/index.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let db_deal = |e: sqlite::Error| {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_deal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CacherExample`
[INFO] [stdout]   --> src/common/common.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CacherExample<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/common/common.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(cacher_example:T) -> CacherExample<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/common/common.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn value(&mut self, arg: u32) -> u32{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:95:28
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/sql/test.rs:107:28
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/sql/test.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/sql/test.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/sql/operate.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             self.create_table(table_names[i], &kvs[i]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.36s
[INFO] running `Command { std: "docker" "inspect" "6967a5b178002d169969d9991e6eff3b798bdcce547caf89b8f0117de8f2d967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6967a5b178002d169969d9991e6eff3b798bdcce547caf89b8f0117de8f2d967", kill_on_drop: false }`
[INFO] [stdout] 6967a5b178002d169969d9991e6eff3b798bdcce547caf89b8f0117de8f2d967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d47b3ad3af98748852a292a665b0b77ba15922a3e75399c1730ef86a7c5b5716
[INFO] running `Command { std: "docker" "start" "-a" "d47b3ad3af98748852a292a665b0b77ba15922a3e75399c1730ef86a7c5b5716", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `object`
[INFO] [stdout]  --> src/common/common.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json::{self, object::Object, object};
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MQTT_VERSION_3_1_1`
[INFO] [stdout]  --> src/mqtt_lib/mqtt_init.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MQTT_VERSION_3_1_1,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_appname`
[INFO] [stdout]  --> src/protocol/deals/model/index.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     get_appname,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/sql/operate.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut flag: bool = false;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling database v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]    --> src/sql/operate.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut flag: bool = false;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `request_message` is never read
[INFO] [stdout]   --> src/protocol/deals/version/index.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut request_message = JsonValue::new_object();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/protocol/deals/register/index.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     let mut flag = false;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_deal`
[INFO] [stdout]    --> src/protocol/deals/register/index.rs:239:17
[INFO] [stdout]     |
[INFO] [stdout] 239 |             let db_deal = |e: sqlite::Error| {
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_deal`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_deal`
[INFO] [stdout]    --> src/protocol/deals/register/index.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let db_deal = |e: sqlite::Error| {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_deal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CacherExample`
[INFO] [stdout]   --> src/common/common.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CacherExample<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/common/common.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(cacher_example:T) -> CacherExample<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/common/common.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn value(&mut self, arg: u32) -> u32{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:95:28
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/sql/test.rs:107:28
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/sql/test.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/sql/test.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/sql/operate.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             self.create_table(table_names[i], &kvs[i]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `object`
[INFO] [stdout]  --> src/common/common.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json::{self, object::Object, object};
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MQTT_VERSION_3_1_1`
[INFO] [stdout]  --> src/mqtt_lib/mqtt_init.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MQTT_VERSION_3_1_1,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_appname`
[INFO] [stdout]  --> src/protocol/deals/model/index.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     get_appname,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/sql/operate.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut flag: bool = false;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]    --> src/sql/operate.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut flag: bool = false;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `request_message` is never read
[INFO] [stdout]   --> src/protocol/deals/version/index.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut request_message = JsonValue::new_object();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/protocol/deals/register/index.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     let mut flag = false;
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_deal`
[INFO] [stdout]    --> src/protocol/deals/register/index.rs:239:17
[INFO] [stdout]     |
[INFO] [stdout] 239 |             let db_deal = |e: sqlite::Error| {
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_deal`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db_deal`
[INFO] [stdout]    --> src/protocol/deals/register/index.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let db_deal = |e: sqlite::Error| {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_deal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CacherExample`
[INFO] [stdout]   --> src/common/common.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CacherExample<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/common/common.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(cacher_example:T) -> CacherExample<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/common/common.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn value(&mut self, arg: u32) -> u32{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sql/test.rs:95:28
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     panic!("{}", e);
[INFO] [stdout]    |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/sql/test.rs:107:28
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/sql/test.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/sql/test.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/sql/operate.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             self.create_table(table_names[i], &kvs[i]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 54.54s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/database-e6fea41da40dc17d)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/database-b5ba517d0c6b281d)
[INFO] running `Command { std: "docker" "inspect" "d47b3ad3af98748852a292a665b0b77ba15922a3e75399c1730ef86a7c5b5716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47b3ad3af98748852a292a665b0b77ba15922a3e75399c1730ef86a7c5b5716", kill_on_drop: false }`
[INFO] [stdout] d47b3ad3af98748852a292a665b0b77ba15922a3e75399c1730ef86a7c5b5716
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d53d74f60d9dcb3c2d22a331066fea03533be3bb2d90d5d60f15c3a8e53a42ca
[INFO] running `Command { std: "docker" "start" "-a" "d53d74f60d9dcb3c2d22a331066fea03533be3bb2d90d5d60f15c3a8e53a42ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `object`
[INFO] [stderr]  --> src/common/common.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use json::{self, object::Object, object};
[INFO] [stderr]   |                                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MQTT_VERSION_3_1_1`
[INFO] [stderr]  --> src/mqtt_lib/mqtt_init.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     MQTT_VERSION_3_1_1,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_appname`
[INFO] [stderr]  --> src/protocol/deals/model/index.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     get_appname,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `flag` is never read
[INFO] [stderr]   --> src/sql/operate.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut flag: bool = false;
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `flag` is never read
[INFO] [stderr]    --> src/sql/operate.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut flag: bool = false;
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `request_message` is never read
[INFO] [stderr]   --> src/protocol/deals/version/index.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut request_message = JsonValue::new_object();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `flag` is never read
[INFO] [stderr]   --> src/protocol/deals/register/index.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     let mut flag = false;
[INFO] [stderr]    |                             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db_deal`
[INFO] [stderr]    --> src/protocol/deals/register/index.rs:239:17
[INFO] [stderr]     |
[INFO] [stderr] 239 |             let db_deal = |e: sqlite::Error| {
[INFO] [stderr]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_deal`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db_deal`
[INFO] [stderr]    --> src/protocol/deals/register/index.rs:316:13
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let db_deal = |e: sqlite::Error| {
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_deal`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CacherExample`
[INFO] [stderr]   --> src/common/common.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct CacherExample<T>
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/common/common.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(cacher_example:T) -> CacherExample<T> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `value`
[INFO] [stderr]   --> src/common/common.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn value(&mut self, arg: u32) -> u32{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sql/test.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |                     panic!(e);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 27 |                     panic!("{}", e);
[INFO] [stderr]    |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 27 |                     std::panic::panic_any(e);
[INFO] [stderr]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sql/test.rs:39:28
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     panic!(e);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     panic!("{}", e);
[INFO] [stderr]    |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     std::panic::panic_any(e);
[INFO] [stderr]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sql/test.rs:51:28
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     panic!(e);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     panic!("{}", e);
[INFO] [stderr]    |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     std::panic::panic_any(e);
[INFO] [stderr]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sql/test.rs:63:28
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     panic!(e);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     panic!("{}", e);
[INFO] [stderr]    |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     std::panic::panic_any(e);
[INFO] [stderr]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sql/test.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     panic!(e);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     panic!("{}", e);
[INFO] [stderr]    |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     std::panic::panic_any(e);
[INFO] [stderr]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sql/test.rs:85:28
[INFO] [stderr]    |
[INFO] [stderr] 85 |                     panic!(e);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 85 |                     panic!("{}", e);
[INFO] [stderr]    |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 85 |                     std::panic::panic_any(e);
[INFO] [stderr]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sql/test.rs:95:28
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     panic!(e);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     panic!("{}", e);
[INFO] [stderr]    |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     std::panic::panic_any(e);
[INFO] [stderr]    |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/sql/test.rs:107:28
[INFO] [stderr]     |
[INFO] [stderr] 107 |                     panic!(e);
[INFO] [stderr]     |                            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 107 |                     panic!("{}", e);
[INFO] [stderr]     |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 107 |                     std::panic::panic_any(e);
[INFO] [stderr]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/sql/test.rs:117:28
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     panic!(e);
[INFO] [stderr]     |                            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     panic!("{}", e);
[INFO] [stderr]     |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     std::panic::panic_any(e);
[INFO] [stderr]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/sql/test.rs:126:28
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     panic!(e);
[INFO] [stderr]     |                            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     panic!("{}", e);
[INFO] [stderr]     |                            +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     std::panic::panic_any(e);
[INFO] [stderr]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/sql/operate.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             self.create_table(table_names[i], &kvs[i]);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `database` (lib) generated 23 warnings
[INFO] [stderr] warning: `database` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.68s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/database-e6fea41da40dc17d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/database-b5ba517d0c6b281d)
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests database
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d53d74f60d9dcb3c2d22a331066fea03533be3bb2d90d5d60f15c3a8e53a42ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53d74f60d9dcb3c2d22a331066fea03533be3bb2d90d5d60f15c3a8e53a42ca", kill_on_drop: false }`
[INFO] [stdout] d53d74f60d9dcb3c2d22a331066fea03533be3bb2d90d5d60f15c3a8e53a42ca