[INFO] fetching crate ubench 0.0.0-alpha0...
[INFO] testing ubench-0.0.0-alpha0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate ubench 0.0.0-alpha0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ubench 0.0.0-alpha0
[INFO] finished tweaking crates.io crate ubench 0.0.0-alpha0
[INFO] tweaked toml for crates.io crate ubench 0.0.0-alpha0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ubench 0.0.0-alpha0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding owo-colors v3.5.0 (available: v4.2.3)
[INFO] [stderr]       Adding riscv v0.8.0 (available: v0.15.0)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.10.3
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded riscv v0.8.0
[INFO] [stderr]   Downloaded embedded-time v0.12.1
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0e3c30a66ecc13ed9213fa0b54b2a818f54bde0d9c91dddb6143e64e5d45b0f
[INFO] running `Command { std: "docker" "start" "-a" "c0e3c30a66ecc13ed9213fa0b54b2a818f54bde0d9c91dddb6143e64e5d45b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e3c30a66ecc13ed9213fa0b54b2a818f54bde0d9c91dddb6143e64e5d45b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e3c30a66ecc13ed9213fa0b54b2a818f54bde0d9c91dddb6143e64e5d45b0f", kill_on_drop: false }`
[INFO] [stdout] c0e3c30a66ecc13ed9213fa0b54b2a818f54bde0d9c91dddb6143e64e5d45b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 091a6de1d1537b7ae57f596c86ccf7828fe0f9fed17673be7f12ce69ffd2c16b
[INFO] running `Command { std: "docker" "start" "-a" "091a6de1d1537b7ae57f596c86ccf7828fe0f9fed17673be7f12ce69ffd2c16b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ubench v0.0.0-alpha0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(all(docs, not(doctest)), feature(doc_cfg))]
[INFO] [stdout]   |                 ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/runner/suite.rs:96:51
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl<'a, I: Debug> Iterator for HListIterator<'a, (dyn RunnableSuiteBenchmarkList<I> + 'a)> {
[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] 96 - impl<'a, I: Debug> Iterator for HListIterator<'a, (dyn RunnableSuiteBenchmarkList<I> + 'a)> {
[INFO] [stdout] 96 + impl<'a, I: Debug> Iterator for HListIterator<'a, dyn RunnableSuiteBenchmarkList<I> + 'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/runner/mod.rs:92:41
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl<'a> Iterator for HListIterator<'a, (dyn RunnableBenchmarkList + 'a)> {
[INFO] [stdout]    |                                         ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 - impl<'a> Iterator for HListIterator<'a, (dyn RunnableBenchmarkList + 'a)> {
[INFO] [stdout] 92 + impl<'a> Iterator for HListIterator<'a, dyn RunnableBenchmarkList + 'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `feature_gated`
[INFO] [stdout]   --> src/reporters/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | macro_rules! feature_gated {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]   --> src/reporters/io.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[cfg_attr(all(docs, not(doctest)), doc(cfg(feature = "embedded-hal")))]
[INFO] [stdout]    |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]   --> src/reporters/basic.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(all(docs, not(doctest)), doc(cfg(feature = "embedded-hal")))]
[INFO] [stdout]    |                    ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "091a6de1d1537b7ae57f596c86ccf7828fe0f9fed17673be7f12ce69ffd2c16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091a6de1d1537b7ae57f596c86ccf7828fe0f9fed17673be7f12ce69ffd2c16b", kill_on_drop: false }`
[INFO] [stdout] 091a6de1d1537b7ae57f596c86ccf7828fe0f9fed17673be7f12ce69ffd2c16b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db6fd24b5d7c1a5dc164900830c9778abc85babdc45090582f559149fb443eec
[INFO] running `Command { std: "docker" "start" "-a" "db6fd24b5d7c1a5dc164900830c9778abc85babdc45090582f559149fb443eec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(all(docs, not(doctest)), feature(doc_cfg))]
[INFO] [stdout]   |                 ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/runner/suite.rs:96:51
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl<'a, I: Debug> Iterator for HListIterator<'a, (dyn RunnableSuiteBenchmarkList<I> + 'a)> {
[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] 96 - impl<'a, I: Debug> Iterator for HListIterator<'a, (dyn RunnableSuiteBenchmarkList<I> + 'a)> {
[INFO] [stdout] 96 + impl<'a, I: Debug> Iterator for HListIterator<'a, dyn RunnableSuiteBenchmarkList<I> + 'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/runner/mod.rs:92:41
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl<'a> Iterator for HListIterator<'a, (dyn RunnableBenchmarkList + 'a)> {
[INFO] [stdout]    |                                         ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 - impl<'a> Iterator for HListIterator<'a, (dyn RunnableBenchmarkList + 'a)> {
[INFO] [stdout] 92 + impl<'a> Iterator for HListIterator<'a, dyn RunnableBenchmarkList + 'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `feature_gated`
[INFO] [stdout]   --> src/reporters/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | macro_rules! feature_gated {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]   --> src/reporters/io.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[cfg_attr(all(docs, not(doctest)), doc(cfg(feature = "embedded-hal")))]
[INFO] [stdout]    |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]   --> src/reporters/basic.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(all(docs, not(doctest)), doc(cfg(feature = "embedded-hal")))]
[INFO] [stdout]    |                    ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ubench v0.0.0-alpha0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]  --> src/../examples/common/fib_memoized.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(all(docs, not(doctest)), feature(doc_cfg))]
[INFO] [stdout]   |                 ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/runner/suite.rs:96:51
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl<'a, I: Debug> Iterator for HListIterator<'a, (dyn RunnableSuiteBenchmarkList<I> + 'a)> {
[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] 96 - impl<'a, I: Debug> Iterator for HListIterator<'a, (dyn RunnableSuiteBenchmarkList<I> + 'a)> {
[INFO] [stdout] 96 + impl<'a, I: Debug> Iterator for HListIterator<'a, dyn RunnableSuiteBenchmarkList<I> + 'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/runner/mod.rs:92:41
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl<'a> Iterator for HListIterator<'a, (dyn RunnableBenchmarkList + 'a)> {
[INFO] [stdout]    |                                         ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 - impl<'a> Iterator for HListIterator<'a, (dyn RunnableBenchmarkList + 'a)> {
[INFO] [stdout] 92 + impl<'a> Iterator for HListIterator<'a, dyn RunnableBenchmarkList + 'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `feature_gated`
[INFO] [stdout]   --> src/reporters/mod.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 | macro_rules! feature_gated {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]   --> src/reporters/io.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[cfg_attr(all(docs, not(doctest)), doc(cfg(feature = "embedded-hal")))]
[INFO] [stdout]    |                ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]   --> src/reporters/basic.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(all(docs, not(doctest)), doc(cfg(feature = "embedded-hal")))]
[INFO] [stdout]    |                    ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ubench` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "db6fd24b5d7c1a5dc164900830c9778abc85babdc45090582f559149fb443eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6fd24b5d7c1a5dc164900830c9778abc85babdc45090582f559149fb443eec", kill_on_drop: false }`
[INFO] [stdout] db6fd24b5d7c1a5dc164900830c9778abc85babdc45090582f559149fb443eec
