[INFO] cloning repository https://github.com/Dhole/rust-tor-controller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dhole/rust-tor-controller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhole%2Frust-tor-controller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhole%2Frust-tor-controller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1807ca25e2e5fa3a8a68d584359e7b3c862a459
[INFO] checking Dhole/rust-tor-controller against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhole%2Frust-tor-controller" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dhole/rust-tor-controller on toolchain 21de280cccb4eb02ead6bf0af40e2355a9136d6f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dhole/rust-tor-controller
[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-4/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: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.129
[INFO] [stderr]   Downloaded redox_termios v0.1.1
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[INFO] [stderr]   Downloaded redox_syscall v0.1.37
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[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded num-traits v0.2.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 968ce96aa40bb9a56aaf89d78d60fcc1b7ec0bd7fedbde7b272488945923b030
[INFO] running `Command { std: "docker" "start" "-a" "968ce96aa40bb9a56aaf89d78d60fcc1b7ec0bd7fedbde7b272488945923b030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968ce96aa40bb9a56aaf89d78d60fcc1b7ec0bd7fedbde7b272488945923b030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968ce96aa40bb9a56aaf89d78d60fcc1b7ec0bd7fedbde7b272488945923b030", kill_on_drop: false }`
[INFO] [stdout] 968ce96aa40bb9a56aaf89d78d60fcc1b7ec0bd7fedbde7b272488945923b030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ef3a731327a3a3f66a8283d9f5e65c83cfa8a0f837d714c94b7301719e53f4
[INFO] running `Command { std: "docker" "start" "-a" "82ef3a731327a3a3f66a8283d9f5e65c83cfa8a0f837d714c94b7301719e53f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking 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: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ProtocolInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: associated function `wrap` is never used
[INFO] [stdout]    --> src/control.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn wrap(s: String) -> Self {
[INFO] [stdout]     |        ^^^^
[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: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 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: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ProtocolInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: associated function `wrap` is never used
[INFO] [stdout]    --> src/control.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn wrap(s: String) -> Self {
[INFO] [stdout]     |        ^^^^
[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: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 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 16.75s
[INFO] running `Command { std: "docker" "inspect" "82ef3a731327a3a3f66a8283d9f5e65c83cfa8a0f837d714c94b7301719e53f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ef3a731327a3a3f66a8283d9f5e65c83cfa8a0f837d714c94b7301719e53f4", kill_on_drop: false }`
[INFO] [stdout] 82ef3a731327a3a3f66a8283d9f5e65c83cfa8a0f837d714c94b7301719e53f4