[INFO] fetching crate crfmnes 1.0.0...
[INFO] testing crfmnes-1.0.0 against 1.98.0-beta.1 for beta-1.98-1
[INFO] extracting crate crfmnes 1.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate crfmnes 1.0.0
[INFO] finished tweaking crates.io crate crfmnes 1.0.0
[INFO] tweaked toml for crates.io crate crfmnes 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crfmnes 1.0.0 on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding nalgebra v0.33.3 (available: v0.35.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.2)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding rand_xoshiro v0.6.0 (available: v0.8.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336
[INFO] running `Command { std: "docker" "start" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bytemuck v1.25.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling nalgebra v0.33.3
[INFO] [stderr]    Compiling crfmnes v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:436:14
[INFO] [stdout]     |
[INFO] [stdout] 436 |     pub fn x(&self) -> DMatrixView<f64> {
[INFO] [stdout]     |              ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 436 |     pub fn x(&self) -> DMatrixView<'_, f64> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.38s
[INFO] running `Command { std: "docker" "inspect" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling num-iter v0.1.46
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling nalgebra v0.33.3
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling crfmnes v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:436:14
[INFO] [stdout]     |
[INFO] [stdout] 436 |     pub fn x(&self) -> DMatrixView<f64> {
[INFO] [stdout]     |              ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 436 |     pub fn x(&self) -> DMatrixView<'_, f64> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:436:14
[INFO] [stdout]     |
[INFO] [stdout] 436 |     pub fn x(&self) -> DMatrixView<f64> {
[INFO] [stdout]     |              ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 436 |     pub fn x(&self) -> DMatrixView<'_, f64> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.73s
[INFO] running `Command { std: "docker" "inspect" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:436:14
[INFO] [stderr]     |
[INFO] [stderr] 436 |     pub fn x(&self) -> DMatrixView<f64> {
[INFO] [stderr]     |              ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |              |
[INFO] [stderr]     |              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 436 |     pub fn x(&self) -> DMatrixView<'_, f64> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `crfmnes` (lib) generated 1 warning (run `cargo fix --lib -p crfmnes` to apply 1 suggestion)
[INFO] [stderr] warning: `crfmnes` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crfmnes-4636c3a718d33e0a)
[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 crfmnes
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - CrfmnesOptimizer (line 146) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - CrfmnesOptimizer (line 146) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] best: 0.0009952600782933332 best_x: 
[INFO] [stdout]   ┌                    ┐
[INFO] [stdout]   │ 1.0000519563688122 │
[INFO] [stdout]   │ 0.9996940803762219 │
[INFO] [stdout]   │  0.999796003125437 │
[INFO] [stdout]   │ 1.0002796468697204 │
[INFO] [stdout]   │  0.999872520224619 │
[INFO] [stdout]   │ 1.0001659752716818 │
[INFO] [stdout]   │  1.000048603307414 │
[INFO] [stdout]   │ 0.9997808745068409 │
[INFO] [stdout]   │ 0.9996724663182294 │
[INFO] [stdout]   │ 0.9999730071325553 │
[INFO] [stdout]   │ 1.0004019827891724 │
[INFO] [stdout]   │ 1.0002823750170595 │
[INFO] [stdout]   │  1.000045098522255 │
[INFO] [stdout]   │ 1.0001456365397596 │
[INFO] [stdout]   │ 0.9998041309125265 │
[INFO] [stdout]   │ 0.9996079827079021 │
[INFO] [stdout]   │ 0.9999171659587529 │
[INFO] [stdout]   │ 1.0002154979527933 │
[INFO] [stdout]   │ 0.9999513188650241 │
[INFO] [stdout]   │ 0.9998883002754089 │
[INFO] [stdout]   │ 0.9995525488740182 │
[INFO] [stdout]   │ 0.9993294294988058 │
[INFO] [stdout]   │ 0.9998575652858797 │
[INFO] [stdout]   │ 1.0002993148497346 │
[INFO] [stdout]   │ 1.0001794273932765 │
[INFO] [stdout]   │  0.999969702212337 │
[INFO] [stdout]   │ 1.0002836097341539 │
[INFO] [stdout]   │ 1.0001125379959959 │
[INFO] [stdout]   │ 1.0002447998421875 │
[INFO] [stdout]   │  0.999903469784344 │
[INFO] [stdout]   │ 0.9999595241225323 │
[INFO] [stdout]   │ 1.0003413229239415 │
[INFO] [stdout]   │ 1.0001710594608593 │
[INFO] [stdout]   │ 0.9999519088011268 │
[INFO] [stdout]   │ 0.9996556973450128 │
[INFO] [stdout]   │ 0.9991001901018527 │
[INFO] [stdout]   │ 0.9979102750235344 │
[INFO] [stdout]   │ 0.9956522263630228 │
[INFO] [stdout]   │ 0.9903074247646757 │
[INFO] [stdout]   │  0.981036576810674 │
[INFO] [stdout]   └                    ┘
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (447) panicked at src/lib.rs:39:1:
[INFO] [stdout] explicit panic
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x646b4a3ab661 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x646b4a3ab661 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x646b4a3ab661 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x646b4a3ab661 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x646b4a3bee9a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x646b4a3bee9a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x646b4a3af2bc - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x646b4a3af2bc - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x646b4a396f86 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x646b4a396f86 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x646b4a3a7a31 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x646b4a3a7beb - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:815:13
[INFO] [stdout]   12:     0x646b4a397064 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:681:13
[INFO] [stdout]   13:     0x646b4a38ed99 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x646b4a39780d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   15:     0x646b4a3bf62c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x646b4a3bf5f2 - core[6883ba1bc0fe4ed1]::panicking::panic
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:150:5
[INFO] [stdout]   17:     0x646b4a2e0409 - rust_out[c5d83d26dbed9be7]::main::_doctest_main_src_lib_rs_146_0
[INFO] [stdout]   18:     0x646b4a2df6d6 - rust_out[c5d83d26dbed9be7]::main
[INFO] [stdout]   19:     0x646b4a2e2053 - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x646b4a2de826 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x646b4a2df5b9 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x646b4a3a7187 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x646b4a3a7187 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   24:     0x646b4a3a7187 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x646b4a3a7187 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x646b4a3a7187 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x646b4a3a7187 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   28:     0x646b4a3a7187 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x646b4a3a7187 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x646b4a3a7187 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x646b4a2de811 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x646b4a2e2135 - main
[INFO] [stdout]   33:     0x7261545471ca - <unknown>
[INFO] [stdout]   34:     0x72615454728b - __libc_start_main
[INFO] [stdout]   35:     0x646b4a2dcc65 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - CrfmnesOptimizer (line 146)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336", kill_on_drop: false }`
[INFO] [stdout] d33de21dc673b04f426f8c550da0fe56ae564ab9f03263f582ecec56845fb336
