[INFO] cloning repository https://github.com/giovadroid/lynx-structio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/giovadroid/lynx-structio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiovadroid%2Flynx-structio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiovadroid%2Flynx-structio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e1466e27db5f2c0e6ef865113bd8e1bf23618cf
[INFO] testing giovadroid/lynx-structio against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiovadroid%2Flynx-structio" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/giovadroid/lynx-structio
[INFO] finished tweaking git repo https://github.com/giovadroid/lynx-structio
[INFO] tweaked toml for git repo https://github.com/giovadroid/lynx-structio written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/giovadroid/lynx-structio on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/giovadroid/lynx-structio 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.5.1
[INFO] [stderr]   Downloaded kqueue v1.0.8
[INFO] [stderr]   Downloaded miniz_oxide v0.7.3
[INFO] [stderr]   Downloaded winapi-util v0.1.8
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] [stderr]   Downloaded notify v6.1.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.85
[INFO] [stderr]   Downloaded backtrace v0.3.72
[INFO] [stderr]   Downloaded syn v2.0.66
[INFO] [stderr]   Downloaded object v0.35.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72923b2371e7a9c88b9d2e884499fe4223b8277157a342b4a3a7f219e54616ac
[INFO] running `Command { std: "docker" "start" "-a" "72923b2371e7a9c88b9d2e884499fe4223b8277157a342b4a3a7f219e54616ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72923b2371e7a9c88b9d2e884499fe4223b8277157a342b4a3a7f219e54616ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72923b2371e7a9c88b9d2e884499fe4223b8277157a342b4a3a7f219e54616ac", kill_on_drop: false }`
[INFO] [stdout] 72923b2371e7a9c88b9d2e884499fe4223b8277157a342b4a3a7f219e54616ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fe4116e9f3f0280e5540b3fc8599cea2b3e78f7c7da3c1c94733fa29eefcfee
[INFO] running `Command { std: "docker" "start" "-a" "3fe4116e9f3f0280e5540b3fc8599cea2b3e78f7c7da3c1c94733fa29eefcfee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling lynx-structio-core v0.1.0 (/opt/rustwide/workdir/lynx-structio-core)
[INFO] [stderr]    Compiling lynx-structio-macros v0.1.0 (/opt/rustwide/workdir/lynx-structio-macros)
[INFO] [stderr]    Compiling lynx-structio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.54s
[INFO] running `Command { std: "docker" "inspect" "3fe4116e9f3f0280e5540b3fc8599cea2b3e78f7c7da3c1c94733fa29eefcfee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe4116e9f3f0280e5540b3fc8599cea2b3e78f7c7da3c1c94733fa29eefcfee", kill_on_drop: false }`
[INFO] [stdout] 3fe4116e9f3f0280e5540b3fc8599cea2b3e78f7c7da3c1c94733fa29eefcfee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54cff9e79a12cb471381715a0bce6ccc48822fe2cfb0df47dfc492750942abc7
[INFO] running `Command { std: "docker" "start" "-a" "54cff9e79a12cb471381715a0bce6ccc48822fe2cfb0df47dfc492750942abc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling lynx-structio-core v0.1.0 (/opt/rustwide/workdir/lynx-structio-core)
[INFO] [stderr]    Compiling lynx-structio-macros v0.1.0 (/opt/rustwide/workdir/lynx-structio-macros)
[INFO] [stderr]    Compiling lynx-structio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.48s
[INFO] running `Command { std: "docker" "inspect" "54cff9e79a12cb471381715a0bce6ccc48822fe2cfb0df47dfc492750942abc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54cff9e79a12cb471381715a0bce6ccc48822fe2cfb0df47dfc492750942abc7", kill_on_drop: false }`
[INFO] [stdout] 54cff9e79a12cb471381715a0bce6ccc48822fe2cfb0df47dfc492750942abc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9bdfd3363e7cec8e980f23286ad06c0685729866a52fae023d787d1c4f8e4493
[INFO] running `Command { std: "docker" "start" "-a" "9bdfd3363e7cec8e980f23286ad06c0685729866a52fae023d787d1c4f8e4493", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lynx_structio-ffbb8cda5b576d57)
[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 lynx_structio
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (47) panicked at src/lib.rs:39:39:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <anyhow::Error as core::convert::From<std::io::error::Error>>::from
[INFO] [stdout]    1: <core::result::Result<(), anyhow::Error> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible, std::io::error::Error>>>::from_residual
[INFO] [stdout]    2: lynx_structio_core::core::save::<rust_out::FileDataStruct, rust_out::DataStruct>
[INFO] [stdout]    3: <rust_out::FileDataStruct as lynx_structio_core::traits::FileStructTrait>::save
[INFO] [stdout]    4: lynx_structio_core::core::load::<rust_out::FileDataStruct, rust_out::DataStruct>
[INFO] [stdout]    5: <rust_out::FileDataStruct as lynx_structio_core::traits::FileStructTrait>::load
[INFO] [stdout]    6: rust_out::main::{closure#0}
[INFO] [stdout]    7: <tokio::runtime::park::CachedParkThread>::block_on::<rust_out::main::{closure#0}>::{closure#0}
[INFO] [stdout]    8: <tokio::runtime::park::CachedParkThread>::block_on::<rust_out::main::{closure#0}>
[INFO] [stdout]    9: <tokio::runtime::context::blocking::BlockingRegionGuard>::block_on::<rust_out::main::{closure#0}>
[INFO] [stdout]   10: <tokio::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out::main::{closure#0}>::{closure#0}
[INFO] [stdout]   11: tokio::runtime::context::runtime::enter_runtime::<<tokio::runtime::scheduler::multi_thread::MultiThread>::block_on<rust_out::main::{closure#0}>::{closure#0}, ()>
[INFO] [stdout]   12: <tokio::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out::main::{closure#0}>
[INFO] [stdout]   13: <tokio::runtime::runtime::Runtime>::block_on::<rust_out::main::{closure#0}>
[INFO] [stdout]   14: rust_out::main
[INFO] [stdout]   15: <fn() as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   16: std::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   17: std::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   18: <&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   19: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   20: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   21: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   22: std::rt::lang_start_internal::{closure#0}
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:175:24
[INFO] [stdout]   23: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24: std::panicking::catch_unwind::<isize, std::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25: std::panic::catch_unwind::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   26: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:171:5
[INFO] [stdout]   27: std::rt::lang_start::<()>
[INFO] [stdout]   28: main
[INFO] [stdout]   29: <unknown>
[INFO] [stdout]   30: __libc_start_main
[INFO] [stdout]   31: _start
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6210f8106daa - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6210f8106daa - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6210f8106daa - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6210f8106daa - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6210f811ae9a - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6210f811ae9a - core[786f478f706679df]::fmt::write
[INFO] [stdout]    6:     0x6210f810b742 - std[f92b4c606f291077]::io::default_write_fmt::<std[f92b4c606f291077]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6210f810b742 - <std[f92b4c606f291077]::sys::stdio::unix::Stderr as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x6210f80eea0f - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6210f80eea0f - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6210f81017d1 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x6210f8101a4b - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x6210f80eeac8 - std[f92b4c606f291077]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x6210f80e5f39 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x6210f80ef49d - __rustc[8241495c18a89d70]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x6210f811b65c - core[786f478f706679df]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x6210f811b3d2 - core[786f478f706679df]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x6210f7f7a3dc - rust_out[ed1579ae55fdba85]::main::{closure#0}
[INFO] [stdout]   18:     0x6210f7f78bc6 - <tokio[1db91824c6e364b0]::runtime::park::CachedParkThread>::block_on::<rust_out[ed1579ae55fdba85]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   19:     0x6210f7f7072e - <tokio[1db91824c6e364b0]::runtime::park::CachedParkThread>::block_on::<rust_out[ed1579ae55fdba85]::main::{closure#0}>
[INFO] [stdout]   20:     0x6210f7f6f355 - <tokio[1db91824c6e364b0]::runtime::context::blocking::BlockingRegionGuard>::block_on::<rust_out[ed1579ae55fdba85]::main::{closure#0}>
[INFO] [stdout]   21:     0x6210f7f786f6 - <tokio[1db91824c6e364b0]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[ed1579ae55fdba85]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   22:     0x6210f7f753a0 - tokio[1db91824c6e364b0]::runtime::context::runtime::enter_runtime::<<tokio[1db91824c6e364b0]::runtime::scheduler::multi_thread::MultiThread>::block_on<rust_out[ed1579ae55fdba85]::main::{closure#0}>::{closure#0}, ()>
[INFO] [stdout]   23:     0x6210f7f6f3c8 - <tokio[1db91824c6e364b0]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[ed1579ae55fdba85]::main::{closure#0}>
[INFO] [stdout]   24:     0x6210f7f6f086 - <tokio[1db91824c6e364b0]::runtime::runtime::Runtime>::block_on::<rust_out[ed1579ae55fdba85]::main::{closure#0}>
[INFO] [stdout]   25:     0x6210f7f7a7ec - rust_out[ed1579ae55fdba85]::main
[INFO] [stdout]   26:     0x6210f7f82e53 - <fn() as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   27:     0x6210f7f752d6 - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   28:     0x6210f7f79789 - std[f92b4c606f291077]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   29:     0x6210f8100d24 - <&dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   30:     0x6210f8100d24 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<&dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x6210f8100d24 - std[f92b4c606f291077]::panicking::catch_unwind::<i32, &dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x6210f8100d24 - std[f92b4c606f291077]::panic::catch_unwind::<&dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x6210f8100d24 - std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:175:24
[INFO] [stdout]   34:     0x6210f8100d24 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   35:     0x6210f8100d24 - std[f92b4c606f291077]::panicking::catch_unwind::<isize, std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   36:     0x6210f8100d24 - std[f92b4c606f291077]::panic::catch_unwind::<std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x6210f8100d24 - std[f92b4c606f291077]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:171:5
[INFO] [stdout]   38:     0x6210f7f740a1 - std[f92b4c606f291077]::rt::lang_start::<()>
[INFO] [stdout]   39:     0x6210f7f83305 - main
[INFO] [stdout]   40:     0x7518b40431ca - <unknown>
[INFO] [stdout]   41:     0x7518b404328b - __libc_start_main
[INFO] [stdout]   42:     0x6210f7f6d485 - _start
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9bdfd3363e7cec8e980f23286ad06c0685729866a52fae023d787d1c4f8e4493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdfd3363e7cec8e980f23286ad06c0685729866a52fae023d787d1c4f8e4493", kill_on_drop: false }`
[INFO] [stdout] 9bdfd3363e7cec8e980f23286ad06c0685729866a52fae023d787d1c4f8e4493
