[INFO] fetching crate coolssh 1.2.0...
[INFO] testing coolssh-1.2.0 against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] extracting crate coolssh 1.2.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate coolssh 1.2.0 on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "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 aes v0.8.4 (available: v0.9.1)
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding ctr v0.9.2 (available: v0.10.1)
[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: v0.10.1)
[INFO] [stderr]       Adding sha2 v0.10.9 (available: v0.11.0)
[INFO] [stderr]       Adding x25519-dalek v1.2.0 (available: v2.0.1)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4
[INFO] running `Command { std: "docker" "start" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling log v0.4.32
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[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 aes v0.8.4
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling zeroize_derive v1.5.0
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling curve25519-dalek v3.2.1
[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 14.32s
[INFO] running `Command { std: "docker" "inspect" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[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] [stderr]    Compiling coolssh v1.2.0 (/opt/rustwide/workdir)
[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 1.30s
[INFO] running `Command { std: "docker" "inspect" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: fields `recipient_channel`, `request_type`, and `want_reply` are never read
[INFO] [stderr]   --> src/channelrequest.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Other {
[INFO] [stderr]    |     ----- fields in this variant
[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-2595cc55ca496984)
[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] [stderr]    Doc-tests coolssh
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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): 795773a7c9188dec3e7dacbc691066debb71c3f74b6378d6fa0a545be31071a3f961c2a9e8e29550b682ecfab600e193f96c3ade1e34acccb39b279f1fe54b7d
[INFO] [stdout] OpenSSH-Encoded Public Key ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPlhwqno4pVQtoLs+rYA4ZP5bDreHjSszLObJ58f5Ut9 john.doe@gmail.com
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (425) 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:     0x5ffeebd92b88 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ffeebd92b88 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ffeebd92b88 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ffeebd92b88 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ffeebda511a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ffeebda511a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5ffeebd96ee2 - std[d054f6f42beb1baa]::io::default_write_fmt::<std[d054f6f42beb1baa]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5ffeebd96ee2 - <std[d054f6f42beb1baa]::sys::stdio::unix::Stderr as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5ffeebd7dbf6 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ffeebd7dbf6 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ffeebd8e821 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5ffeebd8e9db - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5ffeebd7dcb2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5ffeebd758f9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5ffeebd7e6dd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5ffeebda586c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5ffeebda55e2 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   17:     0x5ffeebcd5a37 - rust_out[b843b8eaa9a15723]::main::_doctest_main_src_lib_rs_5_0
[INFO] [stdout]   18:     0x5ffeebcd5716 - rust_out[b843b8eaa9a15723]::main
[INFO] [stdout]   19:     0x5ffeebcd6203 - <fn() as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x5ffeebcd52f6 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x5ffeebcd5639 - std[d054f6f42beb1baa]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x5ffeebd8dfc7 - <&dyn core[5a1c3e9896636f3a]::ops::function::Fn<(), Output = i32> + core[5a1c3e9896636f3a]::panic::unwind_safe::RefUnwindSafe + core[5a1c3e9896636f3a]::marker::Sync as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5ffeebd8dfc7 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<&dyn core[5a1c3e9896636f3a]::ops::function::Fn<(), Output = i32> + core[5a1c3e9896636f3a]::panic::unwind_safe::RefUnwindSafe + core[5a1c3e9896636f3a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x5ffeebd8dfc7 - std[d054f6f42beb1baa]::panicking::catch_unwind::<i32, &dyn core[5a1c3e9896636f3a]::ops::function::Fn<(), Output = i32> + core[5a1c3e9896636f3a]::panic::unwind_safe::RefUnwindSafe + core[5a1c3e9896636f3a]::marker::Sync>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x5ffeebd8dfc7 - std[d054f6f42beb1baa]::panic::catch_unwind::<&dyn core[5a1c3e9896636f3a]::ops::function::Fn<(), Output = i32> + core[5a1c3e9896636f3a]::panic::unwind_safe::RefUnwindSafe + core[5a1c3e9896636f3a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5ffeebd8dfc7 - std[d054f6f42beb1baa]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5ffeebd8dfc7 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<std[d054f6f42beb1baa]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5ffeebd8dfc7 - std[d054f6f42beb1baa]::panicking::catch_unwind::<isize, std[d054f6f42beb1baa]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5ffeebd8dfc7 - std[d054f6f42beb1baa]::panic::catch_unwind::<std[d054f6f42beb1baa]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5ffeebd8dfc7 - std[d054f6f42beb1baa]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5ffeebcd52e1 - std[d054f6f42beb1baa]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x5ffeebcd6295 - main
[INFO] [stdout]   33:     0x73a88a8d41ca - <unknown>
[INFO] [stdout]   34:     0x73a88a8d428b - __libc_start_main
[INFO] [stdout]   35:     0x5ffeebcd5045 - _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] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4", kill_on_drop: false }`
[INFO] [stdout] fc2cf409ed281596a9909ab1f8682cc5ae008e05f8849ad0fb4e9d2b94eb17a4
