[INFO] fetching crate coolssh 1.2.0...
[INFO] testing coolssh-1.2.0 against 1.93.0 for beta-1.94-1
[INFO] extracting crate coolssh 1.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate coolssh 1.2.0
[INFO] finished tweaking crates.io crate coolssh 1.2.0
[INFO] tweaked toml for crates.io crate coolssh 1.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate coolssh 1.2.0 on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (available: v2.2.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand_core v0.5.1 (available: v0.9.5)
[INFO] [stderr]       Adding x25519-dalek v1.2.0 (available: v2.0.1)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.3.0
[INFO] [stderr]   Downloaded x25519-dalek v1.2.0
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.1
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e738f478f5724d208f564425f9995be6282f69ad1f7851be70facbb227f70a89
[INFO] running `Command { std: "docker" "start" "-a" "e738f478f5724d208f564425f9995be6282f69ad1f7851be70facbb227f70a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e738f478f5724d208f564425f9995be6282f69ad1f7851be70facbb227f70a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e738f478f5724d208f564425f9995be6282f69ad1f7851be70facbb227f70a89", kill_on_drop: false }`
[INFO] [stdout] e738f478f5724d208f564425f9995be6282f69ad1f7851be70facbb227f70a89
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb0b3968134bd11d8900920ff8549d8041b7791e5fbdbb51402ddffbff7e98b
[INFO] running `Command { std: "docker" "start" "-a" "6cb0b3968134bd11d8900920ff8549d8041b7791e5fbdbb51402ddffbff7e98b", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling curve25519-dalek v3.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling x25519-dalek v1.2.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling coolssh v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `recipient_channel`, `request_type`, and `want_reply` are never read
[INFO] [stdout]   --> src/channelrequest.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Other {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 24 |         recipient_channel: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |         request_type: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 26 |         want_reply: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelRequest` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/run.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn run(&mut self, command: &str, env: &[(&str, &str)]) -> Result<RunResult<Run>> {
[INFO] [stdout]    |                ^^^^^^^^^ the lifetime is elided here                               ^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn run(&mut self, command: &str, env: &[(&str, &str)]) -> Result<RunResult<Run<'_>>> {
[INFO] [stdout]    |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/run.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn poll(&mut self) -> Result<RunEvent> {
[INFO] [stdout]     |                 ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn poll(&mut self) -> Result<RunEvent<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "6cb0b3968134bd11d8900920ff8549d8041b7791e5fbdbb51402ddffbff7e98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb0b3968134bd11d8900920ff8549d8041b7791e5fbdbb51402ddffbff7e98b", kill_on_drop: false }`
[INFO] [stdout] 6cb0b3968134bd11d8900920ff8549d8041b7791e5fbdbb51402ddffbff7e98b
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61e60335898b083ccbab0e3110544a11b30e56f99ae74d537452a919f4355e26
[INFO] running `Command { std: "docker" "start" "-a" "61e60335898b083ccbab0e3110544a11b30e56f99ae74d537452a919f4355e26", kill_on_drop: false }`
[INFO] [stderr]    Compiling coolssh v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `recipient_channel`, `request_type`, and `want_reply` are never read
[INFO] [stdout]   --> src/channelrequest.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Other {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 24 |         recipient_channel: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |         request_type: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 26 |         want_reply: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelRequest` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/run.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn run(&mut self, command: &str, env: &[(&str, &str)]) -> Result<RunResult<Run>> {
[INFO] [stdout]    |                ^^^^^^^^^ the lifetime is elided here                               ^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn run(&mut self, command: &str, env: &[(&str, &str)]) -> Result<RunResult<Run<'_>>> {
[INFO] [stdout]    |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/run.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn poll(&mut self) -> Result<RunEvent> {
[INFO] [stdout]     |                 ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn poll(&mut self) -> Result<RunEvent<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `recipient_channel`, `request_type`, and `want_reply` are never read
[INFO] [stdout]   --> src/channelrequest.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Other {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 24 |         recipient_channel: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |         request_type: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 26 |         want_reply: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelRequest` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/run.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn run(&mut self, command: &str, env: &[(&str, &str)]) -> Result<RunResult<Run>> {
[INFO] [stdout]    |                ^^^^^^^^^ the lifetime is elided here                               ^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn run(&mut self, command: &str, env: &[(&str, &str)]) -> Result<RunResult<Run<'_>>> {
[INFO] [stdout]    |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/run.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn poll(&mut self) -> Result<RunEvent> {
[INFO] [stdout]     |                 ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn poll(&mut self) -> Result<RunEvent<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "61e60335898b083ccbab0e3110544a11b30e56f99ae74d537452a919f4355e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e60335898b083ccbab0e3110544a11b30e56f99ae74d537452a919f4355e26", kill_on_drop: false }`
[INFO] [stdout] 61e60335898b083ccbab0e3110544a11b30e56f99ae74d537452a919f4355e26
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b65823c89927ff9509bcad946bb9d98db27b51bad82722205d366c00cb9cc62b
[INFO] running `Command { std: "docker" "start" "-a" "b65823c89927ff9509bcad946bb9d98db27b51bad82722205d366c00cb9cc62b", kill_on_drop: false }`
[INFO] [stderr] warning: fields `recipient_channel`, `request_type`, and `want_reply` are never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/channelrequest.rs:24:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 23 |     Other {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |     ----- fields in this variant
[INFO] [stdout] 
[INFO] [stderr] 24 |         recipient_channel: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 25 |         request_type: &'a str,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 26 |         want_reply: bool,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ChannelRequest` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/run.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn run(&mut self, command: &str, env: &[(&str, &str)]) -> Result<RunResult<Run>> {
[INFO] [stderr]    |                ^^^^^^^^^ the lifetime is elided here                               ^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn run(&mut self, command: &str, env: &[(&str, &str)]) -> Result<RunResult<Run<'_>>> {
[INFO] [stderr]    |                                                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/run.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn poll(&mut self) -> Result<RunEvent> {
[INFO] [stderr]     |                 ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn poll(&mut self) -> Result<RunEvent<'_>> {
[INFO] [stderr]     |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `coolssh` (lib) generated 3 warnings (run `cargo fix --lib -p coolssh` to apply 2 suggestions)
[INFO] [stderr] warning: `coolssh` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coolssh-552906c83c1ad9aa)
[INFO] [stderr]    Doc-tests coolssh
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] Key Pair (private): 281ddca77816a98c2ca592f3cc7acc3bdc9dc464b98fdac7fb502d074bd49de501554948af65bf70cccf15a58e06e778187bfe9cad8a2fb436fc7152f1c3edb9
[INFO] [stdout] OpenSSH-Encoded Public Key ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAFVSUivZb9wzM8VpY4G53gYe/6crYovtDb8cVLxw+25 john.doe@gmail.com
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (55) panicked at src/lib.rs:17:50:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63d77a905942 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63d77a905942 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63d77a905942 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x63d77a905942 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x63d77a914ab7 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x63d77a914ab7 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x63d77a8e2f86 - std::io::default_write_fmt::hdea1c6df292e9097
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63d77a8e2f86 - std::io::Write::write_fmt::ha6a1d6c1ea64b2d0
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x63d77a8eab56 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x63d77a8eab56 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x63d77a8ea9b6 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x63d77a8ead9b - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x63d77a8eac18 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x63d77a8e9279 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   14:     0x63d77a8d7f7d - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x63d77a918ebc - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x63d77a9186e2 - core::result::unwrap_failed::h23873bb39ca9a844
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x63d77a8468f7 - rust_out::main::_doctest_main_src_lib_rs_5_0::hba8db8ffd4f8bdc5
[INFO] [stdout]   18:     0x63d77a8466c6 - rust_out::main::hddb47a63e130bd9b
[INFO] [stdout]   19:     0x63d77a846073 - core::ops::function::FnOnce::call_once::h96beabba765cc134
[INFO] [stdout]   20:     0x63d77a845fd6 - std::sys::backtrace::__rust_begin_short_backtrace::hfbfc9999389ebc3c
[INFO] [stdout]   21:     0x63d77a845c29 - std::rt::lang_start::{{closure}}::h80a253ee4580ed9e
[INFO] [stdout]   22:     0x63d77a8e46e6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h52f3341f83ee0b20
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x63d77a8e46e6 - std::panicking::catch_unwind::do_call::h14dbcc353f10da05
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x63d77a8e46e6 - std::panicking::catch_unwind::h0f5e61927052bc65
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x63d77a8e46e6 - std::panic::catch_unwind::h8d8992fccbbe3818
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x63d77a8e46e6 - std::rt::lang_start_internal::{{closure}}::h2586bbc303a85ad8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x63d77a8e46e6 - std::panicking::catch_unwind::do_call::h68525f29457c7630
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x63d77a8e46e6 - std::panicking::catch_unwind::h9d0806e64d8b7d77
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x63d77a8e46e6 - std::panic::catch_unwind::h9b43c59c05f0dec3
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x63d77a8e46e6 - std::rt::lang_start_internal::h74b643a2cc7fe3b4
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x63d77a845c11 - std::rt::lang_start::ha74422474068e822
[INFO] [stdout]   32:     0x63d77a846d55 - main
[INFO] [stdout]   33:     0x790510e5c1ca - <unknown>
[INFO] [stdout]   34:     0x790510e5c28b - __libc_start_main
[INFO] [stdout]   35:     0x63d77a845a25 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b65823c89927ff9509bcad946bb9d98db27b51bad82722205d366c00cb9cc62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65823c89927ff9509bcad946bb9d98db27b51bad82722205d366c00cb9cc62b", kill_on_drop: false }`
[INFO] [stdout] b65823c89927ff9509bcad946bb9d98db27b51bad82722205d366c00cb9cc62b
