[INFO] fetching crate mongobook 0.1.14...
[INFO] testing mongobook-0.1.14 against 1.75.0 for beta-1.76-1
[INFO] extracting crate mongobook 0.1.14 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mongobook 0.1.14 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mongobook 0.1.14
[INFO] finished tweaking crates.io crate mongobook 0.1.14
[INFO] tweaked toml for crates.io crate mongobook 0.1.14 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mongobook 0.1.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-task v0.3.9
[INFO] [stderr]   Downloaded bytes v1.0.0
[INFO] [stderr]   Downloaded futures-macro v0.3.9
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[INFO] [stderr]   Downloaded tokio-macros v1.0.0
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[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded typed-builder v0.3.0
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[INFO] [stderr]   Downloaded async-io v1.3.1
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[INFO] [stderr]   Downloaded serde_with v1.6.0
[INFO] [stderr]   Downloaded bson v1.1.0
[INFO] [stderr]   Downloaded derivative v2.1.3
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded tokio-rustls v0.13.1
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[INFO] [stderr]   Downloaded futures-intrusive v0.3.1
[INFO] [stderr]   Downloaded futures-util v0.3.9
[INFO] [stderr]   Downloaded futures-executor v0.3.9
[INFO] [stderr]   Downloaded futures v0.3.9
[INFO] [stderr]   Downloaded os_info v2.0.8
[INFO] [stderr]   Downloaded futures-io v0.3.9
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.6
[INFO] [stderr]   Downloaded pgnparse v0.1.8
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded pgn-reader v0.16.0
[INFO] [stderr]   Downloaded mongodb v1.1.1
[INFO] [stderr]   Downloaded tokio v1.0.1
[INFO] [stderr]   Downloaded shakmaty v0.17.1
[INFO] [stderr]   Downloaded webpki-roots v0.18.0
[INFO] [stderr]   Downloaded async-std v1.8.0
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5469bc4b7efa3b6cb0ba00db520cb41fd271a4e6dbd15c7c1ea800482d28edff
[INFO] running `Command { std: "docker" "start" "-a" "5469bc4b7efa3b6cb0ba00db520cb41fd271a4e6dbd15c7c1ea800482d28edff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5469bc4b7efa3b6cb0ba00db520cb41fd271a4e6dbd15c7c1ea800482d28edff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5469bc4b7efa3b6cb0ba00db520cb41fd271a4e6dbd15c7c1ea800482d28edff", kill_on_drop: false }`
[INFO] [stdout] 5469bc4b7efa3b6cb0ba00db520cb41fd271a4e6dbd15c7c1ea800482d28edff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec656c59372b704aaad0f49a604c50f8a44c8e11c3e8bffc9f7986a1c77a4591
[INFO] running `Command { std: "docker" "start" "-a" "ec656c59372b704aaad0f49a604c50f8a44c8e11c3e8bffc9f7986a1c77a4591", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
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[INFO] [stderr]    Compiling serde_with v1.6.0
[INFO] [stderr]    Compiling os_info v2.0.8
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[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bson v1.1.0
[INFO] [stderr]    Compiling pgnparse v0.1.8
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling mongodb v1.1.1
[INFO] [stderr]    Compiling mongobook v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "ec656c59372b704aaad0f49a604c50f8a44c8e11c3e8bffc9f7986a1c77a4591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec656c59372b704aaad0f49a604c50f8a44c8e11c3e8bffc9f7986a1c77a4591", kill_on_drop: false }`
[INFO] [stdout] ec656c59372b704aaad0f49a604c50f8a44c8e11c3e8bffc9f7986a1c77a4591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a056bde8ce4646049c7f98e2ff9b20b2f1509adc1f9e4b775b10a80689041e49
[INFO] running `Command { std: "docker" "start" "-a" "a056bde8ce4646049c7f98e2ff9b20b2f1509adc1f9e4b775b10a80689041e49", kill_on_drop: false }`
[INFO] [stderr]    Compiling mongobook v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a056bde8ce4646049c7f98e2ff9b20b2f1509adc1f9e4b775b10a80689041e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a056bde8ce4646049c7f98e2ff9b20b2f1509adc1f9e4b775b10a80689041e49", kill_on_drop: false }`
[INFO] [stdout] a056bde8ce4646049c7f98e2ff9b20b2f1509adc1f9e4b775b10a80689041e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd6dae3718a9ce228ac1f3714ca1cca0a1f48f2ac4ecfcf29f875ae2f9a1ab60
[INFO] running `Command { std: "docker" "start" "-a" "bd6dae3718a9ce228ac1f3714ca1cca0a1f48f2ac4ecfcf29f875ae2f9a1ab60", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mongobook-a1e32287d83a896b)
[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]      Running unittests src/example.rs (/opt/rustwide/target/debug/deps/example-621131aa0d880d29)
[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 mongobook
[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] mongobook, under construction
[INFO] [stdout] MongoBook
[INFO] [stdout] -> uri = mongodb://localhost:27017
[INFO] [stdout] -> book depth = 10
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:23:51:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x561afbc695cc - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x561afbc695cc - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x561afbc695cc - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x561afbc695cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x561afbc97170 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x561afbc97170 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x561afbc6676f - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x561afbc693b4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x561afbc693b4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x561afbc6a9b7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x561afbc6a71f - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x561afbc6ae38 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x561afbc6ad1e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x561afbc69a96 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   14:     0x561afbc6aa82 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x561afb2f3f85 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x561afb2f4553 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   17:     0x561afb30026c - core::result::Result<T,E>::unwrap::hc5bd3f2cbe1e54d0
[INFO] [stdout]   18:     0x561afb32c0d9 - rust_out::main::{{closure}}::h22f49531779efd9f
[INFO] [stdout]   19:     0x561afb302d49 - tokio::park::thread::CachedParkThread::block_on::{{closure}}::h63f0e317ac8116f6
[INFO] [stdout]   20:     0x561afb302242 - tokio::coop::with_budget::{{closure}}::h623780ce5e1f6cb9
[INFO] [stdout]   21:     0x561afb2f71ff - std::thread::local::LocalKey<T>::try_with::hb4f1c3a8ab738af9
[INFO] [stdout]   22:     0x561afb2f6df7 - std::thread::local::LocalKey<T>::with::h75a2d3bb9bfe08af
[INFO] [stdout]   23:     0x561afb3027d7 - tokio::park::thread::CachedParkThread::block_on::h374a1c279c136bcb
[INFO] [stdout]   24:     0x561afb30463a - tokio::runtime::enter::Enter::block_on::h7d33f3f2aee86f96
[INFO] [stdout]   25:     0x561afb30300c - tokio::runtime::thread_pool::ThreadPool::block_on::hba5b802afe82a5b2
[INFO] [stdout]   26:     0x561afb30484d - tokio::runtime::Runtime::block_on::h99f63405c06b0181
[INFO] [stdout]   27:     0x561afb32bc99 - rust_out::main::h30c75f3fd63b0ab9
[INFO] [stdout]   28:     0x561afb2f7bf3 - core::ops::function::FnOnce::call_once::hdffa7197cc8f0301
[INFO] [stdout]   29:     0x561afb2f68c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h72b7c7c1f013ad2d
[INFO] [stdout]   30:     0x561afb2f6cc9 - std::rt::lang_start::{{closure}}::hf4145f422e8b3848
[INFO] [stdout]   31:     0x561afbc61497 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd95060ecd5e1ca24
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   32:     0x561afbc61497 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   33:     0x561afbc61497 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   34:     0x561afbc61497 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout]   35:     0x561afbc61497 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stdout]   36:     0x561afbc61497 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x561afbc61497 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x561afbc61497 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x561afbc61497 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stdout]   40:     0x561afb2f6ca7 - std::rt::lang_start::h33b3924d9c34082e
[INFO] [stdout]   41:     0x561afb32c4a5 - main
[INFO] [stdout]   42:     0x7f4441105d90 - <unknown>
[INFO] [stdout]   43:     0x7f4441105e40 - __libc_start_main
[INFO] [stdout]   44:     0x561afb2f4855 - _start
[INFO] [stdout]   45:                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 6.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd6dae3718a9ce228ac1f3714ca1cca0a1f48f2ac4ecfcf29f875ae2f9a1ab60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6dae3718a9ce228ac1f3714ca1cca0a1f48f2ac4ecfcf29f875ae2f9a1ab60", kill_on_drop: false }`
[INFO] [stdout] bd6dae3718a9ce228ac1f3714ca1cca0a1f48f2ac4ecfcf29f875ae2f9a1ab60
[INFO] testing mongobook-0.1.14 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate mongobook 0.1.14 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mongobook 0.1.14 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mongobook 0.1.14
[INFO] finished tweaking crates.io crate mongobook 0.1.14
[INFO] tweaked toml for crates.io crate mongobook 0.1.14 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate mongobook 0.1.14 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46fbf95dcfff1021c457e20da797aa164ef27bd3896a8406bba1633c49e231bc
[INFO] running `Command { std: "docker" "start" "-a" "46fbf95dcfff1021c457e20da797aa164ef27bd3896a8406bba1633c49e231bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46fbf95dcfff1021c457e20da797aa164ef27bd3896a8406bba1633c49e231bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46fbf95dcfff1021c457e20da797aa164ef27bd3896a8406bba1633c49e231bc", kill_on_drop: false }`
[INFO] [stdout] 46fbf95dcfff1021c457e20da797aa164ef27bd3896a8406bba1633c49e231bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649525e7d92d58c3a3e430c24853c9209b38c8e79f13407a9e3b2a533279a48c
[INFO] running `Command { std: "docker" "start" "-a" "649525e7d92d58c3a3e430c24853c9209b38c8e79f13407a9e3b2a533279a48c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.1
[INFO] [stderr]    Compiling futures-io v0.3.9
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling futures-sink v0.3.9
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
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[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling untrusted v0.7.1
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[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling futures-channel v0.3.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
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[INFO] [stderr]    Compiling indexmap v1.6.1
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[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]    Compiling event-listener v2.5.1
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[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling futures-util v0.3.9
[INFO] [stderr]    Compiling serde_with_macros v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling futures-executor v0.3.9
[INFO] [stderr]    Compiling futures v0.3.9
[INFO] [stderr]    Compiling trust-dns-proto v0.19.6
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling pgn-reader v0.16.0
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-intrusive v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.13.1
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.6
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]    Compiling serde_with v1.6.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling os_info v2.0.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling bson v1.1.0
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling pgnparse v0.1.8
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling mongodb v1.1.1
[INFO] [stderr]    Compiling mongobook v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "649525e7d92d58c3a3e430c24853c9209b38c8e79f13407a9e3b2a533279a48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649525e7d92d58c3a3e430c24853c9209b38c8e79f13407a9e3b2a533279a48c", kill_on_drop: false }`
[INFO] [stdout] 649525e7d92d58c3a3e430c24853c9209b38c8e79f13407a9e3b2a533279a48c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1304b209e54b44d3615188de6f050ede2da1abe2835fafbd0544cf2e4c7fea9
[INFO] running `Command { std: "docker" "start" "-a" "d1304b209e54b44d3615188de6f050ede2da1abe2835fafbd0544cf2e4c7fea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mongobook v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d1304b209e54b44d3615188de6f050ede2da1abe2835fafbd0544cf2e4c7fea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1304b209e54b44d3615188de6f050ede2da1abe2835fafbd0544cf2e4c7fea9", kill_on_drop: false }`
[INFO] [stdout] d1304b209e54b44d3615188de6f050ede2da1abe2835fafbd0544cf2e4c7fea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0da2364d90cb89319c5b43cf0f7f413daf58f16fcd5f82dc2ffd547cdc0d05b
[INFO] running `Command { std: "docker" "start" "-a" "a0da2364d90cb89319c5b43cf0f7f413daf58f16fcd5f82dc2ffd547cdc0d05b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mongobook-4f829b81ed6903ba)
[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]      Running unittests src/example.rs (/opt/rustwide/target/debug/deps/example-f3fdff2cdf08990c)
[INFO] [stderr]    Doc-tests mongobook
[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] [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] mongobook, under construction
[INFO] [stdout] MongoBook
[INFO] [stdout] -> uri = mongodb://localhost:27017
[INFO] [stdout] -> book depth = 10
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:23:51:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56533c1f0d86 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56533c1f0d86 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56533c1f0d86 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56533c1f0d86 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56533c21dc00 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56533c21dc00 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56533c1edebf - std::io::Write::write_fmt::hfead1eee52c2e65e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x56533c1f0b64 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56533c1f0b64 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56533c1f2237 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x56533c1f1f99 - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x56533c1f26c8 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x56533c1f25a2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x56533c1f1286 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x56533c1f2300 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x56533b860f75 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x56533b861553 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x56533b86d492 - core::result::Result<T,E>::unwrap::hc02f69b7bc2ddf3e
[INFO] [stdout]   18:     0x56533b899f23 - rust_out::main::{{closure}}::hf12faab3902f0c3b
[INFO] [stdout]   19:     0x56533b870179 - tokio::park::thread::CachedParkThread::block_on::{{closure}}::hf87b64811d953ece
[INFO] [stdout]   20:     0x56533b86f742 - tokio::coop::with_budget::{{closure}}::hf6d537798a39a1d7
[INFO] [stdout]   21:     0x56533b86425f - std::thread::local::LocalKey<T>::try_with::h96c0cf4a11d9f5ad
[INFO] [stdout]   22:     0x56533b863dd7 - std::thread::local::LocalKey<T>::with::h89435efabe59380f
[INFO] [stdout]   23:     0x56533b86fbb1 - tokio::park::thread::CachedParkThread::block_on::h222e0acbf0d95b42
[INFO] [stdout]   24:     0x56533b871a68 - tokio::runtime::enter::Enter::block_on::hd9c9bce5912c54fa
[INFO] [stdout]   25:     0x56533b8703dc - tokio::runtime::thread_pool::ThreadPool::block_on::he5c6438c26a25a86
[INFO] [stdout]   26:     0x56533b871bfd - tokio::runtime::Runtime::block_on::hef66742c3899409f
[INFO] [stdout]   27:     0x56533b899ae9 - rust_out::main::hfe3eaf8fec7e6787
[INFO] [stdout]   28:     0x56533b864af3 - core::ops::function::FnOnce::call_once::h5dc07971b7f8369c
[INFO] [stdout]   29:     0x56533b863936 - std::sys_common::backtrace::__rust_begin_short_backtrace::h223ab43f25e5c656
[INFO] [stdout]   30:     0x56533b863cf9 - std::rt::lang_start::{{closure}}::h0d9fe53feeac1bec
[INFO] [stdout]   31:     0x56533c1e8811 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4eb4c5e1620f29b0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   32:     0x56533c1e8811 - std::panicking::try::do_call::h73fd26535faffcdf
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   33:     0x56533c1e8811 - std::panicking::try::h77ff1d98f0fb9f39
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   34:     0x56533c1e8811 - std::panic::catch_unwind::hab3caf2448b95e37
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   35:     0x56533c1e8811 - std::rt::lang_start_internal::{{closure}}::h8086711f9c783f78
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:48
[INFO] [stdout]   36:     0x56533c1e8811 - std::panicking::try::do_call::hf920d4dc291cd6ca
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x56533c1e8811 - std::panicking::try::h2b806ccc0a85db74
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x56533c1e8811 - std::panic::catch_unwind::h038489539c507df2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x56533c1e8811 - std::rt::lang_start_internal::h28503b88912e8a5c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:20
[INFO] [stdout]   40:     0x56533b863cd7 - std::rt::lang_start::h94d94f164b7bcd79
[INFO] [stdout]   41:     0x56533b89a2f5 - main
[INFO] [stdout]   42:     0x7f6f95239d90 - <unknown>
[INFO] [stdout]   43:     0x7f6f95239e40 - __libc_start_main
[INFO] [stdout]   44:     0x56533b861855 - _start
[INFO] [stdout]   45:                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 6.64s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a0da2364d90cb89319c5b43cf0f7f413daf58f16fcd5f82dc2ffd547cdc0d05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0da2364d90cb89319c5b43cf0f7f413daf58f16fcd5f82dc2ffd547cdc0d05b", kill_on_drop: false }`
[INFO] [stdout] a0da2364d90cb89319c5b43cf0f7f413daf58f16fcd5f82dc2ffd547cdc0d05b
