[INFO] cloning repository https://github.com/xslingcn/reg_helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xslingcn/reg_helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxslingcn%2Freg_helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxslingcn%2Freg_helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71e04b1d713661d11c09d0125510b99995edb059
[INFO] testing xslingcn/reg_helper against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxslingcn%2Freg_helper" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xslingcn/reg_helper
[INFO] finished tweaking git repo https://github.com/xslingcn/reg_helper
[INFO] tweaked toml for git repo https://github.com/xslingcn/reg_helper written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xslingcn/reg_helper on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xslingcn/reg_helper 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d4f479d53d99e9311b29124e779fe372f96d89d13fb1e8ad29333d8bc6d97cd
[INFO] running `Command { std: "docker" "start" "-a" "9d4f479d53d99e9311b29124e779fe372f96d89d13fb1e8ad29333d8bc6d97cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d4f479d53d99e9311b29124e779fe372f96d89d13fb1e8ad29333d8bc6d97cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4f479d53d99e9311b29124e779fe372f96d89d13fb1e8ad29333d8bc6d97cd", kill_on_drop: false }`
[INFO] [stdout] 9d4f479d53d99e9311b29124e779fe372f96d89d13fb1e8ad29333d8bc6d97cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 460fd88e1ecc43336910acf1af0e0f09c86d67c723173753d6ec6c125e6455bc
[INFO] running `Command { std: "docker" "start" "-a" "460fd88e1ecc43336910acf1af0e0f09c86d67c723173753d6ec6c125e6455bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
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[INFO] [stderr]    Compiling apple-flat-package v0.20.0
[INFO] [stderr]    Compiling selenium-manager v0.4.28-nightly (https://github.com/SeleniumHQ/selenium?branch=trunk#81f435d4)
[INFO] [stderr]    Compiling reg_helper v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `imap_ssl` is never read
[INFO] [stdout]   --> src/config.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Email {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub imap_ssl: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `idle` is never used
[INFO] [stdout]   --> src/email.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub(crate) async fn idle(imap_session: &mut Session<TlsStream<TcpStream>>) -> RegResult<String> {
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: imap-proto v0.10.2
[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" "460fd88e1ecc43336910acf1af0e0f09c86d67c723173753d6ec6c125e6455bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460fd88e1ecc43336910acf1af0e0f09c86d67c723173753d6ec6c125e6455bc", kill_on_drop: false }`
[INFO] [stdout] 460fd88e1ecc43336910acf1af0e0f09c86d67c723173753d6ec6c125e6455bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83b97cfbe2d5e1531b8daf9862b5cfa30056ad577acba304f0ddf6150bfb5cb4
[INFO] running `Command { std: "docker" "start" "-a" "83b97cfbe2d5e1531b8daf9862b5cfa30056ad577acba304f0ddf6150bfb5cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling reg_helper v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]   --> src/config.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Config {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WebDrive` is never constructed
[INFO] [stdout]   --> src/config.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct WebDrive {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Email` is never constructed
[INFO] [stdout]   --> src/config.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Email {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Registration` is never constructed
[INFO] [stdout]   --> src/config.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Registration {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/config.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Config {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 54 |     pub fn new(path: &str) -> RegResult<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `idle` is never used
[INFO] [stdout]   --> src/email.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub(crate) async fn idle(imap_session: &mut Session<TlsStream<TcpStream>>) -> RegResult<String> {
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ConfigLoadError` is never constructed
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum RegError {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 7 |     #[error("fail to load config: {0}")]
[INFO] [stdout] 8 |     ConfigLoadError(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RegError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: imap-proto v0.10.2
[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" "83b97cfbe2d5e1531b8daf9862b5cfa30056ad577acba304f0ddf6150bfb5cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b97cfbe2d5e1531b8daf9862b5cfa30056ad577acba304f0ddf6150bfb5cb4", kill_on_drop: false }`
[INFO] [stdout] 83b97cfbe2d5e1531b8daf9862b5cfa30056ad577acba304f0ddf6150bfb5cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cfd0f13d85ef865c9e095c57ea9414bd72f4635a3b92b944068355efff55ccc2
[INFO] running `Command { std: "docker" "start" "-a" "cfd0f13d85ef865c9e095c57ea9414bd72f4635a3b92b944068355efff55ccc2", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Config` is never constructed
[INFO] [stderr]   --> src/config.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Config {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WebDrive` is never constructed
[INFO] [stderr]   --> src/config.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct WebDrive {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Email` is never constructed
[INFO] [stderr]   --> src/config.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Email {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Registration` is never constructed
[INFO] [stderr]   --> src/config.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Registration {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/config.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 53 | impl Config {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 54 |     pub fn new(path: &str) -> RegResult<Self> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `idle` is never used
[INFO] [stderr]   --> src/email.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub(crate) async fn idle(imap_session: &mut Session<TlsStream<TcpStream>>) -> RegResult<String> {
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ConfigLoadError` is never constructed
[INFO] [stderr]  --> src/error.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum RegError {
[INFO] [stderr]   |          -------- variant in this enum
[INFO] [stderr] 7 |     #[error("fail to load config: {0}")]
[INFO] [stderr] 8 |     ConfigLoadError(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `RegError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `reg_helper` (bin "reg_helper" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: imap-proto v0.10.2
[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/main.rs (/opt/rustwide/target/debug/deps/reg_helper-8a7a5d8caa65278f)
[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" "cfd0f13d85ef865c9e095c57ea9414bd72f4635a3b92b944068355efff55ccc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd0f13d85ef865c9e095c57ea9414bd72f4635a3b92b944068355efff55ccc2", kill_on_drop: false }`
[INFO] [stdout] cfd0f13d85ef865c9e095c57ea9414bd72f4635a3b92b944068355efff55ccc2
