[INFO] cloning repository https://github.com/millardjn/crfmnes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/millardjn/crfmnes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmillardjn%2Fcrfmnes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmillardjn%2Fcrfmnes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c39793f9cf055a2d913c917e20a1dde20d13906c
[INFO] testing millardjn/crfmnes against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmillardjn%2Fcrfmnes" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/millardjn/crfmnes
[INFO] finished tweaking git repo https://github.com/millardjn/crfmnes
[INFO] tweaked toml for git repo https://github.com/millardjn/crfmnes written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/millardjn/crfmnes on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/millardjn/crfmnes 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a49d82894bf1954927ce9413fde4b18f32de960eaf5d548e88feb11a0491ea35
[INFO] running `Command { std: "docker" "start" "-a" "a49d82894bf1954927ce9413fde4b18f32de960eaf5d548e88feb11a0491ea35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a49d82894bf1954927ce9413fde4b18f32de960eaf5d548e88feb11a0491ea35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49d82894bf1954927ce9413fde4b18f32de960eaf5d548e88feb11a0491ea35", kill_on_drop: false }`
[INFO] [stdout] a49d82894bf1954927ce9413fde4b18f32de960eaf5d548e88feb11a0491ea35
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5630ed1ffb76be1dc19da37247fa5cc389659dec745b3e251ec957a3271f74aa
[INFO] running `Command { std: "docker" "start" "-a" "5630ed1ffb76be1dc19da37247fa5cc389659dec745b3e251ec957a3271f74aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling bytemuck v1.17.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling safe_arch v0.7.2
[INFO] [stderr]    Compiling wide v0.7.28
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling simba v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling nalgebra v0.33.0
[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:451:14
[INFO] [stdout]     |
[INFO] [stdout] 451 |     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] 451 |     pub fn x(&self) -> DMatrixView<'_, f64> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.00s
[INFO] running `Command { std: "docker" "inspect" "5630ed1ffb76be1dc19da37247fa5cc389659dec745b3e251ec957a3271f74aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5630ed1ffb76be1dc19da37247fa5cc389659dec745b3e251ec957a3271f74aa", kill_on_drop: false }`
[INFO] [stdout] 5630ed1ffb76be1dc19da37247fa5cc389659dec745b3e251ec957a3271f74aa
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa1df077332fbf44d761b2fd5ed8cd717cd0516ecbeeb4bc953e9a63c1d31fa3
[INFO] running `Command { std: "docker" "start" "-a" "fa1df077332fbf44d761b2fd5ed8cd717cd0516ecbeeb4bc953e9a63c1d31fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling nalgebra v0.33.0
[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:451:14
[INFO] [stdout]     |
[INFO] [stdout] 451 |     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] 451 |     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:451:14
[INFO] [stdout]     |
[INFO] [stdout] 451 |     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] 451 |     pub fn x(&self) -> DMatrixView<'_, f64> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.61s
[INFO] running `Command { std: "docker" "inspect" "fa1df077332fbf44d761b2fd5ed8cd717cd0516ecbeeb4bc953e9a63c1d31fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1df077332fbf44d761b2fd5ed8cd717cd0516ecbeeb4bc953e9a63c1d31fa3", kill_on_drop: false }`
[INFO] [stdout] fa1df077332fbf44d761b2fd5ed8cd717cd0516ecbeeb4bc953e9a63c1d31fa3
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0f64fa6d0c92bf850207f61927bf2a64461c965dfa2a5067b2b27fa9ba8bc34
[INFO] running `Command { std: "docker" "start" "-a" "c0f64fa6d0c92bf850207f61927bf2a64461c965dfa2a5067b2b27fa9ba8bc34", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:451:14
[INFO] [stderr]     |
[INFO] [stderr] 451 |     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] 451 |     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 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crfmnes-ba0df005e088a862)
[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 157) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - CrfmnesOptimizer (line 157) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (40) panicked at src/lib.rs:32:22:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DivByZero
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64154de243a2 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64154de243a2 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64154de243a2 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x64154de243a2 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x64154de3811a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x64154de3811a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x64154de285c6 - std[3b51380354919863]::io::default_write_fmt::<std[3b51380354919863]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64154de285c6 - <std[3b51380354919863]::sys::stdio::unix::Stderr as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x64154de0f29f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x64154de0f29f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x64154de20521 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x64154de206db - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x64154de0f358 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x64154de04859 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x64154de0fbfd - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x64154de387ec - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x64154de38562 - core[27de1724e4349be2]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x64154dd574e9 - rust_out[8e547ba4386cb4c9]::main::_doctest_main_src_lib_rs_157_0
[INFO] [stdout]   18:     0x64154dd56876 - rust_out[8e547ba4386cb4c9]::main
[INFO] [stdout]   19:     0x64154dd592e3 - <fn() as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x64154dd559c6 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x64154dd56759 - std[3b51380354919863]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x64154de1fb16 - <&dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x64154de1fb16 - std[3b51380354919863]::panicking::catch_unwind::do_call::<&dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x64154de1fb16 - std[3b51380354919863]::panicking::catch_unwind::<i32, &dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x64154de1fb16 - std[3b51380354919863]::panic::catch_unwind::<&dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x64154de1fb16 - std[3b51380354919863]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x64154de1fb16 - std[3b51380354919863]::panicking::catch_unwind::do_call::<std[3b51380354919863]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x64154de1fb16 - std[3b51380354919863]::panicking::catch_unwind::<isize, std[3b51380354919863]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x64154de1fb16 - std[3b51380354919863]::panic::catch_unwind::<std[3b51380354919863]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x64154de1fb16 - std[3b51380354919863]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x64154dd559b1 - std[3b51380354919863]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x64154dd593c5 - main
[INFO] [stdout]   33:     0x7c5250b611ca - <unknown>
[INFO] [stdout]   34:     0x7c5250b6128b - __libc_start_main
[INFO] [stdout]   35:     0x64154dd53df5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - CrfmnesOptimizer (line 157)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.26s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c0f64fa6d0c92bf850207f61927bf2a64461c965dfa2a5067b2b27fa9ba8bc34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f64fa6d0c92bf850207f61927bf2a64461c965dfa2a5067b2b27fa9ba8bc34", kill_on_drop: false }`
[INFO] [stdout] c0f64fa6d0c92bf850207f61927bf2a64461c965dfa2a5067b2b27fa9ba8bc34
