[INFO] cloning repository https://github.com/Dhole/rust-tor-controller
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1807ca25e2e5fa3a8a68d584359e7b3c862a459
[INFO] testing Dhole/rust-tor-controller against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhole%2Frust-tor-controller" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dhole/rust-tor-controller 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 }`
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[INFO] finished tweaking git repo https://github.com/Dhole/rust-tor-controller
[INFO] tweaked toml for git repo https://github.com/Dhole/rust-tor-controller written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dhole/rust-tor-controller 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b6539fba9552f4f673f7114e82a44d73f438212cdf21592f2743f5c51e53139b
[INFO] running `Command { std: "docker" "start" "-a" "b6539fba9552f4f673f7114e82a44d73f438212cdf21592f2743f5c51e53139b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6539fba9552f4f673f7114e82a44d73f438212cdf21592f2743f5c51e53139b", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4898609d63323359864ebe3796bed7880b461e209601d4b1b1f5b7c1f964794b
[INFO] running `Command { std: "docker" "start" "-a" "4898609d63323359864ebe3796bed7880b461e209601d4b1b1f5b7c1f964794b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling timer v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling tor_controller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `protocol_info_ver`, `tor_ver`, and `auth_methods` are never read
[INFO] [stdout]   --> src/control.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct ProtocolInfo {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 95 |     protocol_info_ver: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 96 |     tor_ver: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 97 |     auth_methods: Vec<AuthMethod>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProtocolInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `wrap` is never used
[INFO] [stdout]    --> src/control.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl ServiceID {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 210 |     fn wrap(s: String) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `status`, and `line` are never read
[INFO] [stdout]    --> src/control.rs:280:5
[INFO] [stdout]     |
[INFO] [stdout] 279 | pub struct ReplyError {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 280 |     code: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 281 |     status: ReplyStatus,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 282 |     line: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ReplyError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/control.rs:205:16
[INFO] [stdout]     |
[INFO] [stdout] 205 |         panic!("invalid ServiceID ".to_owned() + s)
[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] 205 |         panic!("{}", "invalid ServiceID ".to_owned() + s)
[INFO] [stdout]     |                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.06s
[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" "4898609d63323359864ebe3796bed7880b461e209601d4b1b1f5b7c1f964794b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4898609d63323359864ebe3796bed7880b461e209601d4b1b1f5b7c1f964794b", kill_on_drop: false }`
[INFO] [stdout] 4898609d63323359864ebe3796bed7880b461e209601d4b1b1f5b7c1f964794b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 41ad685f4c28a4c46716bb1730fe6c2b9971d5ac2243e2fc04eb9bac0fbbfe73
[INFO] running `Command { std: "docker" "start" "-a" "41ad685f4c28a4c46716bb1730fe6c2b9971d5ac2243e2fc04eb9bac0fbbfe73", kill_on_drop: false }`
[INFO] [stderr]    Compiling tor_controller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `protocol_info_ver`, `tor_ver`, and `auth_methods` are never read
[INFO] [stdout]   --> src/control.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct ProtocolInfo {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 95 |     protocol_info_ver: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 96 |     tor_ver: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 97 |     auth_methods: Vec<AuthMethod>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProtocolInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `wrap` is never used
[INFO] [stdout]    --> src/control.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl ServiceID {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 210 |     fn wrap(s: String) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `status`, and `line` are never read
[INFO] [stdout]    --> src/control.rs:280:5
[INFO] [stdout]     |
[INFO] [stdout] 279 | pub struct ReplyError {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 280 |     code: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 281 |     status: ReplyStatus,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 282 |     line: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ReplyError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/control.rs:205:16
[INFO] [stdout]     |
[INFO] [stdout] 205 |         panic!("invalid ServiceID ".to_owned() + s)
[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] 205 |         panic!("{}", "invalid ServiceID ".to_owned() + s)
[INFO] [stdout]     |                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol_info_ver`, `tor_ver`, and `auth_methods` are never read
[INFO] [stdout]   --> src/control.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct ProtocolInfo {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 95 |     protocol_info_ver: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 96 |     tor_ver: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 97 |     auth_methods: Vec<AuthMethod>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProtocolInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `wrap` is never used
[INFO] [stdout]    --> src/control.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl ServiceID {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 210 |     fn wrap(s: String) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `status`, and `line` are never read
[INFO] [stdout]    --> src/control.rs:280:5
[INFO] [stdout]     |
[INFO] [stdout] 279 | pub struct ReplyError {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 280 |     code: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 281 |     status: ReplyStatus,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 282 |     line: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ReplyError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/control.rs:205:16
[INFO] [stdout]     |
[INFO] [stdout] 205 |         panic!("invalid ServiceID ".to_owned() + s)
[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] 205 |         panic!("{}", "invalid ServiceID ".to_owned() + s)
[INFO] [stdout]     |                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.08s
[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" "41ad685f4c28a4c46716bb1730fe6c2b9971d5ac2243e2fc04eb9bac0fbbfe73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ad685f4c28a4c46716bb1730fe6c2b9971d5ac2243e2fc04eb9bac0fbbfe73", kill_on_drop: false }`
[INFO] [stdout] 41ad685f4c28a4c46716bb1730fe6c2b9971d5ac2243e2fc04eb9bac0fbbfe73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 49b30009fa8890f4d3fbd74496fc4d5276d6ec9b770e37edf702f91602ba284b
[INFO] running `Command { std: "docker" "start" "-a" "49b30009fa8890f4d3fbd74496fc4d5276d6ec9b770e37edf702f91602ba284b", kill_on_drop: false }`
[INFO] [stderr] warning: fields `protocol_info_ver`, `tor_ver`, and `auth_methods` are never read
[INFO] [stderr]   --> src/control.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub struct ProtocolInfo {
[INFO] [stderr]    |            ------------ fields in this struct
[INFO] [stderr] 95 |     protocol_info_ver: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 96 |     tor_ver: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 97 |     auth_methods: Vec<AuthMethod>,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ProtocolInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `wrap` is never used
[INFO] [stderr]    --> src/control.rs:210:8
[INFO] [stderr]     |
[INFO] [stderr] 209 | impl ServiceID {
[INFO] [stderr]     | -------------- associated function in this implementation
[INFO] [stderr] 210 |     fn wrap(s: String) -> Self {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `code`, `status`, and `line` are never read
[INFO] [stderr]    --> src/control.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 279 | pub struct ReplyError {
[INFO] [stderr]     |            ---------- fields in this struct
[INFO] [stderr] 280 |     code: u16,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 281 |     status: ReplyStatus,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 282 |     line: String,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ReplyError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/control.rs:205:16
[INFO] [stderr]     |
[INFO] [stderr] 205 |         panic!("invalid ServiceID ".to_owned() + s)
[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] 205 |         panic!("{}", "invalid ServiceID ".to_owned() + s)
[INFO] [stderr]     |                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tor_controller` (lib) generated 4 warnings (run `cargo fix --lib -p tor_controller` to apply 1 suggestion)
[INFO] [stderr] warning: `tor_controller` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[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/tor_controller-7bf7812e7bf3068c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test utils::test::test_parse_tor_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tor_controller
[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" "49b30009fa8890f4d3fbd74496fc4d5276d6ec9b770e37edf702f91602ba284b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b30009fa8890f4d3fbd74496fc4d5276d6ec9b770e37edf702f91602ba284b", kill_on_drop: false }`
[INFO] [stdout] 49b30009fa8890f4d3fbd74496fc4d5276d6ec9b770e37edf702f91602ba284b
