[INFO] cloning repository https://github.com/guobin211/play-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guobin211/play-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguobin211%2Fplay-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguobin211%2Fplay-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e81811cae26f380c85b45a0c66a9b8d3efdbfdb7
[INFO] testing guobin211/play-rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguobin211%2Fplay-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guobin211/play-rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guobin211/play-rust
[INFO] finished tweaking git repo https://github.com/guobin211/play-rust
[INFO] tweaked toml for git repo https://github.com/guobin211/play-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/guobin211/play-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2caf29854dd07cc5b3693d08a866109cfc82aeed42298c897f5eda3544c2a73e
[INFO] running `Command { std: "docker" "start" "-a" "2caf29854dd07cc5b3693d08a866109cfc82aeed42298c897f5eda3544c2a73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2caf29854dd07cc5b3693d08a866109cfc82aeed42298c897f5eda3544c2a73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2caf29854dd07cc5b3693d08a866109cfc82aeed42298c897f5eda3544c2a73e", kill_on_drop: false }`
[INFO] [stdout] 2caf29854dd07cc5b3693d08a866109cfc82aeed42298c897f5eda3544c2a73e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6126b95bfd043b9732a0436cc75efab9e40795041756e9b91a6f0221cadb1c40
[INFO] running `Command { std: "docker" "start" "-a" "6126b95bfd043b9732a0436cc75efab9e40795041756e9b91a6f0221cadb1c40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling play-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types_mod::types`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use types_mod::types;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `user_mod::user`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use user_mod::user;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/types_mod/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn run() {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_copy`
[INFO] [stdout]   --> src/types_mod/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn string_copy() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_size`
[INFO] [stdout]   --> src/types_mod/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn number_size() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_string`
[INFO] [stdout]   --> src/types_mod/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn number_string() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tuple`
[INFO] [stdout]   --> src/types_mod/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn tuple() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `username`
[INFO] [stdout]  --> src/user_mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         username: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/user_mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `email`
[INFO] [stdout]  --> src/user_mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         email: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/user_mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign_in_count`
[INFO] [stdout]  --> src/user_mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         sign_in_count: u64,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/user_mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active`
[INFO] [stdout]  --> src/user_mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         active: bool
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/user_mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_name`
[INFO] [stdout]   --> src/user_mod.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |         pub fn get_name(&self) -> &str {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_name`
[INFO] [stdout]   --> src/user_mod.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |         pub fn set_name(&mut self, name: String) {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/user_mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn run() {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_user`
[INFO] [stdout]   --> src/user_mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn create_user(name: String, sign: u64) -> User {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "6126b95bfd043b9732a0436cc75efab9e40795041756e9b91a6f0221cadb1c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6126b95bfd043b9732a0436cc75efab9e40795041756e9b91a6f0221cadb1c40", kill_on_drop: false }`
[INFO] [stdout] 6126b95bfd043b9732a0436cc75efab9e40795041756e9b91a6f0221cadb1c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7ccc25a47b933be0a641fc526302d0c38a9026e92b50a54c530df042217bb85
[INFO] running `Command { std: "docker" "start" "-a" "a7ccc25a47b933be0a641fc526302d0c38a9026e92b50a54c530df042217bb85", kill_on_drop: false }`
[INFO] [stderr]    Compiling play-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types_mod::types`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use types_mod::types;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `user_mod::user`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use user_mod::user;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/types_mod/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn run() {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_copy`
[INFO] [stdout]   --> src/types_mod/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn string_copy() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_size`
[INFO] [stdout]   --> src/types_mod/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn number_size() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_string`
[INFO] [stdout]   --> src/types_mod/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn number_string() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tuple`
[INFO] [stdout]   --> src/types_mod/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn tuple() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `username`
[INFO] [stdout]  --> src/user_mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         username: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/user_mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `email`
[INFO] [stdout]  --> src/user_mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         email: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/user_mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign_in_count`
[INFO] [stdout]  --> src/user_mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         sign_in_count: u64,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/user_mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active`
[INFO] [stdout]  --> src/user_mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         active: bool
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/user_mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_name`
[INFO] [stdout]   --> src/user_mod.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |         pub fn get_name(&self) -> &str {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_name`
[INFO] [stdout]   --> src/user_mod.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |         pub fn set_name(&mut self, name: String) {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/user_mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn run() {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_user`
[INFO] [stdout]   --> src/user_mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn create_user(name: String, sign: u64) -> User {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "a7ccc25a47b933be0a641fc526302d0c38a9026e92b50a54c530df042217bb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ccc25a47b933be0a641fc526302d0c38a9026e92b50a54c530df042217bb85", kill_on_drop: false }`
[INFO] [stdout] a7ccc25a47b933be0a641fc526302d0c38a9026e92b50a54c530df042217bb85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a42b80a5014264a78e37181ea3571ee11c10ebc3553aa0f1eed4abdb0bb5acf0
[INFO] running `Command { std: "docker" "start" "-a" "a42b80a5014264a78e37181ea3571ee11c10ebc3553aa0f1eed4abdb0bb5acf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/main.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(RustcDecodable, RustcEncodable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/main.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(RustcDecodable, RustcEncodable)]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `types_mod::types`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use types_mod::types;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `user_mod::user`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use user_mod::user;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/types_mod/mod.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn run() {
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `string_copy`
[INFO] [stderr]   --> src/types_mod/mod.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn string_copy() {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_size`
[INFO] [stderr]   --> src/types_mod/mod.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn number_size() {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_string`
[INFO] [stderr]   --> src/types_mod/mod.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn number_string() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tuple`
[INFO] [stderr]   --> src/types_mod/mod.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn tuple() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `username`
[INFO] [stderr]  --> src/user_mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         username: String,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/user_mod.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 |     #[derive(Debug)]
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `email`
[INFO] [stderr]  --> src/user_mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         email: String,
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/user_mod.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 |     #[derive(Debug)]
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sign_in_count`
[INFO] [stderr]  --> src/user_mod.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         sign_in_count: u64,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/user_mod.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 |     #[derive(Debug)]
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `active`
[INFO] [stderr]  --> src/user_mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         active: bool
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/user_mod.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 |     #[derive(Debug)]
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_name`
[INFO] [stderr]   --> src/user_mod.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |         pub fn get_name(&self) -> &str {
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_name`
[INFO] [stderr]   --> src/user_mod.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |         pub fn set_name(&mut self, name: String) {
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/user_mod.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn run() {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_user`
[INFO] [stderr]   --> src/user_mod.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn create_user(name: String, sign: u64) -> User {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `play-rust` (bin "play-rust" test) generated 17 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/play_rust-ef3e73eb7633fb81)
[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" "a42b80a5014264a78e37181ea3571ee11c10ebc3553aa0f1eed4abdb0bb5acf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a42b80a5014264a78e37181ea3571ee11c10ebc3553aa0f1eed4abdb0bb5acf0", kill_on_drop: false }`
[INFO] [stdout] a42b80a5014264a78e37181ea3571ee11c10ebc3553aa0f1eed4abdb0bb5acf0