[INFO] cloning repository https://github.com/maulberto3/cyberu_cmaes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maulberto3/cyberu_cmaes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaulberto3%2Fcyberu_cmaes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaulberto3%2Fcyberu_cmaes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e482d958024ad85eb6be5d279128679dbdedff5d
[INFO] checking maulberto3/cyberu_cmaes against try#e5b0618d996a6a3941e423fd3e170737b8dbdc92 for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaulberto3%2Fcyberu_cmaes" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maulberto3/cyberu_cmaes
[INFO] finished tweaking git repo https://github.com/maulberto3/cyberu_cmaes
[INFO] tweaked toml for git repo https://github.com/maulberto3/cyberu_cmaes written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maulberto3/cyberu_cmaes on toolchain e5b0618d996a6a3941e423fd3e170737b8dbdc92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maulberto3/cyberu_cmaes 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" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking maulberto3/cyberu_cmaes against try#e5b0618d996a6a3941e423fd3e170737b8dbdc92 for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaulberto3%2Fcyberu_cmaes" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maulberto3/cyberu_cmaes
[INFO] finished tweaking git repo https://github.com/maulberto3/cyberu_cmaes
[INFO] tweaked toml for git repo https://github.com/maulberto3/cyberu_cmaes written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maulberto3/cyberu_cmaes on toolchain e5b0618d996a6a3941e423fd3e170737b8dbdc92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maulberto3/cyberu_cmaes 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" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-native-certs v0.7.0
[INFO] [stderr]   Downloaded xattr v1.3.1
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded openblas-src v0.10.9
[INFO] [stderr]   Downloaded openblas-build v0.10.9
[INFO] [stderr]   Downloaded filetime v0.2.23
[INFO] [stderr]   Downloaded tar v0.4.41
[INFO] [stderr]   Downloaded blas-src v0.10.0
[INFO] [stderr]   Downloaded lax v0.16.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.8
[INFO] [stderr]   Downloaded ndarray-linalg v0.16.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded ureq v2.9.7
[INFO] [stderr]   Downloaded ndarray-stats v0.5.1
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded katexit v0.1.4
[INFO] [stderr]   Downloaded lapack-sys v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 301e66848618ae811529704cf8bd0866887b0326cf738765b3e8d16cf35fc479
[INFO] running `Command { std: "docker" "start" "-a" "301e66848618ae811529704cf8bd0866887b0326cf738765b3e8d16cf35fc479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "301e66848618ae811529704cf8bd0866887b0326cf738765b3e8d16cf35fc479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301e66848618ae811529704cf8bd0866887b0326cf738765b3e8d16cf35fc479", kill_on_drop: false }`
[INFO] [stdout] 301e66848618ae811529704cf8bd0866887b0326cf738765b3e8d16cf35fc479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0e57fc5aabe5c00afee628948e13d66d649d79d2c493c04b4168cec72caeb1e
[INFO] running `Command { std: "docker" "start" "-a" "a0e57fc5aabe5c00afee628948e13d66d649d79d2c493c04b4168cec72caeb1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling litemap v0.7.3
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.3
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling rustls-native-certs v0.7.0
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking lapack-sys v0.14.0
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling tar v0.4.41
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking cauchy v0.4.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling katexit v0.1.4
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling zerovec-derive v0.10.2
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling zerofrom v0.1.4
[INFO] [stderr]    Compiling yoke v0.7.4
[INFO] [stderr]    Compiling zerovec v0.10.2
[INFO] [stderr]     Checking ndarray-stats v0.5.1
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.0
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna v1.0.0
[INFO] [stderr]    Compiling url v2.5.1
[INFO] [stderr]    Compiling ureq v2.9.7
[INFO] [stderr]    Compiling openblas-build v0.10.9
[INFO] [stderr]    Compiling openblas-src v0.10.9
[INFO] [stderr]     Checking lax v0.16.0
[INFO] [stderr]     Checking blas-src v0.10.0
[INFO] [stderr]     Checking ndarray-linalg v0.16.0
[INFO] [stderr]     Checking cyberu_cmaes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/params.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 .map(|i| (((popsize as f32 + 1.0) / 2.0).ln() - (i as f32 + 1.0).ln()))
[INFO] [stdout]    |                          ^                                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -                 .map(|i| (((popsize as f32 + 1.0) / 2.0).ln() - (i as f32 + 1.0).ln()))
[INFO] [stdout] 69 +                 .map(|i| ((popsize as f32 + 1.0) / 2.0).ln() - (i as f32 + 1.0).ln())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayView1`
[INFO] [stdout]  --> src/strategy.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::{s, Array1, Array2, ArrayView1, Axis};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/params.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 .map(|i| (((popsize as f32 + 1.0) / 2.0).ln() - (i as f32 + 1.0).ln()))
[INFO] [stdout]    |                          ^                                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -                 .map(|i| (((popsize as f32 + 1.0) / 2.0).ln() - (i as f32 + 1.0).ln()))
[INFO] [stdout] 69 +                 .map(|i| ((popsize as f32 + 1.0) / 2.0).ln() - (i as f32 + 1.0).ln())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayView1`
[INFO] [stdout]  --> src/strategy.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::{s, Array1, Array2, ArrayView1, Axis};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w_io`
[INFO] [stdout]    --> src/strategy.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let w_io = &self.params_valid.weights * w_io;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_w_io`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_h_sigma`
[INFO] [stdout]    --> src/strategy.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let delta_h_sigma = (1.0 - h_sigma) * self.params_valid.cc * (2.0 - self.params_valid.cc);
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_h_sigma`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `state` is never read
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     state = cmaes.tell(state, &mut pop, &mut fitness)?;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w_io`
[INFO] [stdout]    --> src/strategy.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let w_io = &self.params_valid.weights * w_io;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_w_io`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mu_eff_rest` is never read
[INFO] [stdout]   --> src/params.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct CmaesParamsValid {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub mu_eff_rest: f32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CmaesParamsValid` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_h_sigma`
[INFO] [stdout]    --> src/strategy.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let delta_h_sigma = (1.0 - h_sigma) * self.params_valid.cc * (2.0 - self.params_valid.cc);
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_h_sigma`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `state` is never read
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     state = cmaes.tell(state, &mut pop, &mut fitness)?;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mu_eff_rest` is never read
[INFO] [stdout]   --> src/params.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct CmaesParamsValid {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub mu_eff_rest: f32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CmaesParamsValid` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found metavariable
[INFO] [stdout]   --> examples/ex1.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert_close_l2!(&av, &ev, 1e-5);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         expected identifier, found metavariable
[INFO] [stdout]    |         in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_close_l2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cyberu_cmaes` (example "ex1") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a0e57fc5aabe5c00afee628948e13d66d649d79d2c493c04b4168cec72caeb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e57fc5aabe5c00afee628948e13d66d649d79d2c493c04b4168cec72caeb1e", kill_on_drop: false }`
[INFO] [stdout] a0e57fc5aabe5c00afee628948e13d66d649d79d2c493c04b4168cec72caeb1e