[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 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuchengyiu%2Fdatacenter-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liuchengyiu/datacenter-rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cb2919a39650640b64c7427e7b9045f5418349dbfd5b29947dcadc2f6d38079
[INFO] running `Command { std: "docker" "start" "-a" "0cb2919a39650640b64c7427e7b9045f5418349dbfd5b29947dcadc2f6d38079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cb2919a39650640b64c7427e7b9045f5418349dbfd5b29947dcadc2f6d38079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb2919a39650640b64c7427e7b9045f5418349dbfd5b29947dcadc2f6d38079", kill_on_drop: false }`
[INFO] [stdout] 0cb2919a39650640b64c7427e7b9045f5418349dbfd5b29947dcadc2f6d38079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea945818eea753931ce5c85edd74648780672788a40db24c219a47c2a9826f7f
[INFO] running `Command { std: "docker" "start" "-a" "ea945818eea753931ce5c85edd74648780672788a40db24c219a47c2a9826f7f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling futures-core v0.3.8
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[INFO] [stderr]    Compiling futures-lite v1.11.2
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[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
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[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling paho-mqtt-sys v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling sqlite3-src v0.2.12
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[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-io v1.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling sqlite3-sys v0.12.0
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling sqlite v0.25.3
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling futures-timer v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[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]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[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 `CacherExample` is never constructed
[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 items `new` and `value` are never used
[INFO] [stdout]   --> src/common/common.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | / impl <T> CacherExample<T> 
[INFO] [stdout] 21 | | where
[INFO] [stdout] 22 | |     T: Fn(u32) -> u32
[INFO] [stdout]    | |_____________________- associated items in this implementation
[INFO] [stdout] 23 |   {
[INFO] [stdout] 24 |       fn new(cacher_example:T) -> CacherExample<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |       fn value(&mut self, arg: u32) -> u32{
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let _ = self.create_table(table_names[i], &kvs[i]);
[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: 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]    = note: `#[warn(non_fmt_panics)]` on by default
[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: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ea945818eea753931ce5c85edd74648780672788a40db24c219a47c2a9826f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea945818eea753931ce5c85edd74648780672788a40db24c219a47c2a9826f7f", kill_on_drop: false }`
[INFO] [stdout] ea945818eea753931ce5c85edd74648780672788a40db24c219a47c2a9826f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dde354ffcc524e222c1f24e80db72ce8ad5b496dd2c272991c92b9b99f7fe6c
[INFO] running `Command { std: "docker" "start" "-a" "0dde354ffcc524e222c1f24e80db72ce8ad5b496dd2c272991c92b9b99f7fe6c", kill_on_drop: false }`
[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]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[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 `CacherExample` is never constructed
[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 items `new` and `value` are never used
[INFO] [stdout]   --> src/common/common.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | / impl <T> CacherExample<T> 
[INFO] [stdout] 21 | | where
[INFO] [stdout] 22 | |     T: Fn(u32) -> u32
[INFO] [stdout]    | |_____________________- associated items in this implementation
[INFO] [stdout] 23 |   {
[INFO] [stdout] 24 |       fn new(cacher_example:T) -> CacherExample<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |       fn value(&mut self, arg: u32) -> u32{
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let _ = self.create_table(table_names[i], &kvs[i]);
[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: 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]    = note: `#[warn(non_fmt_panics)]` on by default
[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] [stderr]    Compiling database v0.1.0 (/opt/rustwide/workdir)
[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: 22 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]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[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 `CacherExample` is never constructed
[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 items `new` and `value` are never used
[INFO] [stdout]   --> src/common/common.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | / impl <T> CacherExample<T> 
[INFO] [stdout] 21 | | where
[INFO] [stdout] 22 | |     T: Fn(u32) -> u32
[INFO] [stdout]    | |_____________________- associated items in this implementation
[INFO] [stdout] 23 |   {
[INFO] [stdout] 24 |       fn new(cacher_example:T) -> CacherExample<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |       fn value(&mut self, arg: u32) -> u32{
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let _ = self.create_table(table_names[i], &kvs[i]);
[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: 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]    = note: `#[warn(non_fmt_panics)]` on by default
[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: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0dde354ffcc524e222c1f24e80db72ce8ad5b496dd2c272991c92b9b99f7fe6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dde354ffcc524e222c1f24e80db72ce8ad5b496dd2c272991c92b9b99f7fe6c", kill_on_drop: false }`
[INFO] [stdout] 0dde354ffcc524e222c1f24e80db72ce8ad5b496dd2c272991c92b9b99f7fe6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f891f082805168ac973c1a9fd6fe4b580ff21e327927e982a966814225e0a321
[INFO] running `Command { std: "docker" "start" "-a" "f891f082805168ac973c1a9fd6fe4b580ff21e327927e982a966814225e0a321", kill_on_drop: false }`
[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]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[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 `CacherExample` is never constructed
[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 items `new` and `value` are never used
[INFO] [stderr]   --> src/common/common.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | / impl <T> CacherExample<T> 
[INFO] [stderr] 21 | | where
[INFO] [stderr] 22 | |     T: Fn(u32) -> u32
[INFO] [stderr]    | |_____________________- associated items in this implementation
[INFO] [stderr] 23 |   {
[INFO] [stderr] 24 |       fn new(cacher_example:T) -> CacherExample<T> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |       fn value(&mut self, arg: u32) -> u32{
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let _ = self.create_table(table_names[i], &kvs[i]);
[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: 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]    = note: `#[warn(non_fmt_panics)]` on by default
[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: `database` (lib) generated 22 warnings (run `cargo fix --lib -p database` to apply 15 suggestions)
[INFO] [stderr] warning: `database` (lib test) generated 22 warnings (22 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/database-8d88c1d28206def9)
[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] [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-a083d44134629061)
[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" "f891f082805168ac973c1a9fd6fe4b580ff21e327927e982a966814225e0a321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f891f082805168ac973c1a9fd6fe4b580ff21e327927e982a966814225e0a321", kill_on_drop: false }`
[INFO] [stdout] f891f082805168ac973c1a9fd6fe4b580ff21e327927e982a966814225e0a321