[INFO] fetching crate uciengine 0.1.33...
[INFO] testing uciengine-0.1.33 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate uciengine 0.1.33 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate uciengine 0.1.33
[INFO] finished tweaking crates.io crate uciengine 0.1.33
[INFO] tweaked toml for crates.io crate uciengine 0.1.33 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uciengine 0.1.33 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uciengine 0.1.33 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v1.0.1
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded thiserror v1.0.23
[INFO] [stderr]   Downloaded envor v0.1.5
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded itoa v0.4.7
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded tokio-macros v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
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[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded serde_derive v1.0.123
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[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded tokio v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa428745e3bc6338e6e4c86c8f3eba0576db1bb4b0977cdbedc8a2563a16b6c4
[INFO] running `Command { std: "docker" "start" "-a" "aa428745e3bc6338e6e4c86c8f3eba0576db1bb4b0977cdbedc8a2563a16b6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa428745e3bc6338e6e4c86c8f3eba0576db1bb4b0977cdbedc8a2563a16b6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa428745e3bc6338e6e4c86c8f3eba0576db1bb4b0977cdbedc8a2563a16b6c4", kill_on_drop: false }`
[INFO] [stdout] aa428745e3bc6338e6e4c86c8f3eba0576db1bb4b0977cdbedc8a2563a16b6c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9255b35ec26c643e9fafe46ad8efaad5b416bb7017760fc46102c5d9c97970c
[INFO] running `Command { std: "docker" "start" "-a" "a9255b35ec26c643e9fafe46ad8efaad5b416bb7017760fc46102c5d9c97970c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling envor v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling uciengine v0.1.33 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::string::String::len` that must be used
[INFO] [stdout]    --> src/analysis.rs:191:1
[INFO] [stdout]     |
[INFO] [stdout] 191 | / gen_str_buff!(
[INFO] [stdout] 192 | | /// UciBuff
[INFO] [stdout] 193 | | => UciBuff, UCI_MAX_LENGTH,
[INFO] [stdout] 194 | | /// PvBuff
[INFO] [stdout] 195 | | => PvBuff, PV_BUFF_SIZE
[INFO] [stdout] 196 | | );
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 191 | let _ = gen_str_buff!(
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.99s
[INFO] running `Command { std: "docker" "inspect" "a9255b35ec26c643e9fafe46ad8efaad5b416bb7017760fc46102c5d9c97970c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9255b35ec26c643e9fafe46ad8efaad5b416bb7017760fc46102c5d9c97970c", kill_on_drop: false }`
[INFO] [stdout] a9255b35ec26c643e9fafe46ad8efaad5b416bb7017760fc46102c5d9c97970c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18f0263aa07a18309cf34d88cb63ca0f8c702eca0dcb18269e4773b4a8fffee5
[INFO] running `Command { std: "docker" "start" "-a" "18f0263aa07a18309cf34d88cb63ca0f8c702eca0dcb18269e4773b4a8fffee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: unused return value of `std::string::String::len` that must be used
[INFO] [stdout]    --> src/analysis.rs:191:1
[INFO] [stdout]     |
[INFO] [stdout] 191 | / gen_str_buff!(
[INFO] [stdout] 192 | | /// UciBuff
[INFO] [stdout] 193 | | => UciBuff, UCI_MAX_LENGTH,
[INFO] [stdout] 194 | | /// PvBuff
[INFO] [stdout] 195 | | => PvBuff, PV_BUFF_SIZE
[INFO] [stdout] 196 | | );
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 191 | let _ = gen_str_buff!(
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling uciengine v0.1.33 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::string::String::len` that must be used
[INFO] [stdout]    --> src/analysis.rs:191:1
[INFO] [stdout]     |
[INFO] [stdout] 191 | / gen_str_buff!(
[INFO] [stdout] 192 | | /// UciBuff
[INFO] [stdout] 193 | | => UciBuff, UCI_MAX_LENGTH,
[INFO] [stdout] 194 | | /// PvBuff
[INFO] [stdout] 195 | | => PvBuff, PV_BUFF_SIZE
[INFO] [stdout] 196 | | );
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 191 | let _ = gen_str_buff!(
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "18f0263aa07a18309cf34d88cb63ca0f8c702eca0dcb18269e4773b4a8fffee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f0263aa07a18309cf34d88cb63ca0f8c702eca0dcb18269e4773b4a8fffee5", kill_on_drop: false }`
[INFO] [stdout] 18f0263aa07a18309cf34d88cb63ca0f8c702eca0dcb18269e4773b4a8fffee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e9f7991941b1cfe4ac15b0df1d858ce0de5030699ca1cd22201da0a9263da5e
[INFO] running `Command { std: "docker" "start" "-a" "0e9f7991941b1cfe4ac15b0df1d858ce0de5030699ca1cd22201da0a9263da5e", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::string::String::len` that must be used
[INFO] [stderr]    --> src/analysis.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / gen_str_buff!(
[INFO] [stderr] 192 | | /// UciBuff
[INFO] [stderr] 193 | | => UciBuff, UCI_MAX_LENGTH,
[INFO] [stderr] 194 | | /// PvBuff
[INFO] [stderr] 195 | | => PvBuff, PV_BUFF_SIZE
[INFO] [stderr] 196 | | );
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 191 | let _ = gen_str_buff!(
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `uciengine` (lib) generated 1 warning
[INFO] [stderr] warning: `uciengine` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uciengine-867b073855d4dba8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test analysis::set_trim ... ok
[INFO] [stdout] test analysis::parse_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uciengine
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/uciengine.rs - uciengine::GoJob::pos_moves (line 223) ... ok
[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] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (85) panicked at /opt/rustwide/workdir/src/uciengine.rs:311:14:
[INFO] [stdout] failed to spawn engine: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bfda12a39e2 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bfda12a39e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bfda12a39e2 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5bfda12a39e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5bfda12b4a3f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5bfda12b4a3f - core::fmt::write::h24186904251c31cb
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5bfda1276c63 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bfda1276c63 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5bfda1280ff2 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5bfda1283b8f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5bfda12839e9 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5bfda1284165 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5bfda1283ffa - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5bfda1281139 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5bfda126b5ad - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5bfda12b92b0 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5bfda12b8476 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x5bfda1033628 - core::result::Result<T,E>::expect::h5ea2f07f0e765eae
[INFO] [stdout]   18:     0x5bfda1064424 - uciengine::uciengine::UciEngine::new::h8f2eb985acd46899
[INFO] [stdout]   19:     0x5bfda10604d9 - rust_out::main::{{closure}}::h3291025fc7fc6b0e
[INFO] [stdout]   20:     0x5bfda103d607 - tokio::park::thread::CachedParkThread::block_on::{{closure}}::heee2232fadbdf49c
[INFO] [stdout]   21:     0x5bfda1037c62 - tokio::coop::with_budget::{{closure}}::hcea020ddfa1644fe
[INFO] [stdout]   22:     0x5bfda102b314 - std::thread::local::LocalKey<T>::try_with::h4e8bdbefba1ced49
[INFO] [stdout]   23:     0x5bfda102b067 - std::thread::local::LocalKey<T>::with::h8944cc7dd820b91d
[INFO] [stdout]   24:     0x5bfda103d456 - tokio::park::thread::CachedParkThread::block_on::he84fd25f658468bb
[INFO] [stdout]   25:     0x5bfda105b887 - tokio::runtime::enter::Enter::block_on::h53acdc35345bb53c
[INFO] [stdout]   26:     0x5bfda1044239 - tokio::runtime::thread_pool::ThreadPool::block_on::hc1a3007bacef8093
[INFO] [stdout]   27:     0x5bfda105ba2e - tokio::runtime::Runtime::block_on::h586a25617d63c814
[INFO] [stdout]   28:     0x5bfda106011c - rust_out::main::h025e6dac099e99db
[INFO] [stdout]   29:     0x5bfda102e5d3 - core::ops::function::FnOnce::call_once::haf27e4a2d2354687
[INFO] [stdout]   30:     0x5bfda102a3e6 - std::sys::backtrace::__rust_begin_short_backtrace::h0c6d5b3f921a0855
[INFO] [stdout]   31:     0x5bfda102a2e9 - std::rt::lang_start::{{closure}}::ha00ecc80c829aca4
[INFO] [stdout]   32:     0x5bfda12789a0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   33:     0x5bfda12789a0 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   34:     0x5bfda12789a0 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   35:     0x5bfda12789a0 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   36:     0x5bfda12789a0 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stdout]   37:     0x5bfda12789a0 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5bfda12789a0 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5bfda12789a0 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5bfda12789a0 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stdout]   41:     0x5bfda102a2d1 - std::rt::lang_start::h2c49fb2caeb4f8e6
[INFO] [stdout]   42:     0x5bfda1069045 - main
[INFO] [stdout]   43:     0x78d4c273b1ca - <unknown>
[INFO] [stdout]   44:     0x78d4c273b28b - __libc_start_main
[INFO] [stdout]   45:     0x5bfda10294d5 - _start
[INFO] [stdout]   46:                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. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.42s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0e9f7991941b1cfe4ac15b0df1d858ce0de5030699ca1cd22201da0a9263da5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9f7991941b1cfe4ac15b0df1d858ce0de5030699ca1cd22201da0a9263da5e", kill_on_drop: false }`
[INFO] [stdout] 0e9f7991941b1cfe4ac15b0df1d858ce0de5030699ca1cd22201da0a9263da5e
