[INFO] fetching crate performance-timing 0.1.1...
[INFO] testing performance-timing-0.1.1 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate performance-timing 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate performance-timing 0.1.1
[INFO] finished tweaking crates.io crate performance-timing 0.1.1
[INFO] tweaked toml for crates.io crate performance-timing 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate performance-timing 0.1.1 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0222601c4cf8783f115937f963257a4fda29691bbcba42a462fa420e8c61b0a
[INFO] running `Command { std: "docker" "start" "-a" "b0222601c4cf8783f115937f963257a4fda29691bbcba42a462fa420e8c61b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0222601c4cf8783f115937f963257a4fda29691bbcba42a462fa420e8c61b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0222601c4cf8783f115937f963257a4fda29691bbcba42a462fa420e8c61b0a", kill_on_drop: false }`
[INFO] [stdout] b0222601c4cf8783f115937f963257a4fda29691bbcba42a462fa420e8c61b0a
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f9cbc8f564621c437ca6bf5499d2bb70bc97d6fdc064d443f9a276e111dcc0a
[INFO] running `Command { std: "docker" "start" "-a" "4f9cbc8f564621c437ca6bf5499d2bb70bc97d6fdc064d443f9a276e111dcc0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling performance-timing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn get_sample(&mut self) -> MeasureSample {
[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] 116 |     pub fn get_sample(&mut self) -> MeasureSample<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.51s
[INFO] running `Command { std: "docker" "inspect" "4f9cbc8f564621c437ca6bf5499d2bb70bc97d6fdc064d443f9a276e111dcc0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9cbc8f564621c437ca6bf5499d2bb70bc97d6fdc064d443f9a276e111dcc0a", kill_on_drop: false }`
[INFO] [stdout] 4f9cbc8f564621c437ca6bf5499d2bb70bc97d6fdc064d443f9a276e111dcc0a
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45aba61ef6601795fdc39d2bf9ff03f0172af662f48fd7ca3e3dd314f54b4107
[INFO] running `Command { std: "docker" "start" "-a" "45aba61ef6601795fdc39d2bf9ff03f0172af662f48fd7ca3e3dd314f54b4107", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn get_sample(&mut self) -> MeasureSample {
[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] 116 |     pub fn get_sample(&mut self) -> MeasureSample<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling performance-timing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn get_sample(&mut self) -> MeasureSample {
[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] 116 |     pub fn get_sample(&mut self) -> MeasureSample<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "45aba61ef6601795fdc39d2bf9ff03f0172af662f48fd7ca3e3dd314f54b4107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45aba61ef6601795fdc39d2bf9ff03f0172af662f48fd7ca3e3dd314f54b4107", kill_on_drop: false }`
[INFO] [stdout] 45aba61ef6601795fdc39d2bf9ff03f0172af662f48fd7ca3e3dd314f54b4107
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1de8fb3047d5b5268517c34f93b64f111187cb7974091cd1c49b3f4fcfe36271
[INFO] running `Command { std: "docker" "start" "-a" "1de8fb3047d5b5268517c34f93b64f111187cb7974091cd1c49b3f4fcfe36271", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:116:23
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn get_sample(&mut self) -> MeasureSample {
[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] 116 |     pub fn get_sample(&mut self) -> MeasureSample<'_> {
[INFO] [stderr]     |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `performance-timing` (lib) generated 1 warning (run `cargo fix --lib -p performance-timing` to apply 1 suggestion)
[INFO] [stderr] warning: `performance-timing` (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/performance_timing-b52208375a672f85)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_tsc_scaling ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.83s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests performance_timing
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - MeasureRegion (line 82) ... FAILED
[INFO] [stdout] test src/lib.rs - CriterionCycleCounter (line 198) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - MeasureRegion (line 82) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MeasureRegion`
[INFO] [stdout]   --> src/lib.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 | let mut loop_timing = MeasureRegion::new();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ use of undeclared type `MeasureRegion`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 82 + use performance_timing::MeasureRegion;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `N` in this scope
[INFO] [stdout]   --> src/lib.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 | for _ in 0..N {
[INFO] [stdout]    |             ^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a const parameter
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_82_0<const N: /* Type */>() {
[INFO] [stdout]    |                                                                      +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CPUInfo`
[INFO] [stdout]   --> src/lib.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 |   CPUInfo::get_frequency_hz().tsc_scaling;
[INFO] [stdout]    |   ^^^^^^^ use of undeclared type `CPUInfo`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 82 + use performance_timing::CPUInfo;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `foo` in this scope
[INFO] [stdout]   --> src/lib.rs:86:3
[INFO] [stdout]    |
[INFO] [stdout] 86 |   foo();
[INFO] [stdout]    |   ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - CriterionCycleCounter (line 198) stdout ----
[INFO] [stdout] error: cannot find macro `criterion_group` in this scope
[INFO] [stdout]    --> src/lib.rs:207:1
[INFO] [stdout]     |
[INFO] [stdout] 207 | criterion_group! {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 198 + use criterion::criterion_group;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Criterion` in this scope
[INFO] [stdout]    --> src/lib.rs:199:36
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub fn criterion_benchmark(c: &mut Criterion<CriterionCycleCounter>) {
[INFO] [stdout]     |                                    ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 198 + use criterion::Criterion;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `CriterionCycleCounter` in this scope
[INFO] [stdout]    --> src/lib.rs:199:46
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub fn criterion_benchmark(c: &mut Criterion<CriterionCycleCounter>) {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 198 + use performance_timing::CriterionCycleCounter;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `const_cycle_loop` in this scope
[INFO] [stdout]    --> src/lib.rs:200:47
[INFO] [stdout]     |
[INFO] [stdout] 200 |   c.bench_function("cycle_10K", |b| b.iter(|| const_cycle_loop(black_box(10_000))));
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 198 + use performance_timing::const_cycle_loop;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `black_box` in this scope
[INFO] [stdout]    --> src/lib.rs:200:64
[INFO] [stdout]     |
[INFO] [stdout] 200 |   c.bench_function("cycle_10K", |b| b.iter(|| const_cycle_loop(black_box(10_000))));
[INFO] [stdout]     |                                                                ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]     |
[INFO] [stdout] 198 + use std::hint::black_box;
[INFO] [stdout]     |
[INFO] [stdout] 198 + use criterion::black_box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Criterion` in this scope
[INFO] [stdout]    --> src/lib.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn core_cycle_measurement() -> Criterion<CriterionCycleCounter> {
[INFO] [stdout]     |                                ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 198 + use criterion::Criterion;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `CriterionCycleCounter` in this scope
[INFO] [stdout]    --> src/lib.rs:203:42
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn core_cycle_measurement() -> Criterion<CriterionCycleCounter> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 198 + use performance_timing::CriterionCycleCounter;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Criterion`
[INFO] [stdout]    --> src/lib.rs:204:3
[INFO] [stdout]     |
[INFO] [stdout] 204 |   Criterion::default().with_measurement(CriterionCycleCounter)
[INFO] [stdout]     |   ^^^^^^^^^ use of undeclared type `Criterion`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 198 + use criterion::Criterion;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `CriterionCycleCounter` in this scope
[INFO] [stdout]    --> src/lib.rs:204:41
[INFO] [stdout]     |
[INFO] [stdout] 204 |   Criterion::default().with_measurement(CriterionCycleCounter)
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit struct
[INFO] [stdout]     |
[INFO] [stdout] 198 + use performance_timing::CriterionCycleCounter;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:200:34
[INFO] [stdout]     |
[INFO] [stdout] 200 |   c.bench_function("cycle_10K", |b| b.iter(|| const_cycle_loop(black_box(10_000))));
[INFO] [stdout]     |                                  ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 200 |   c.bench_function("cycle_10K", |b: /* Type */| b.iter(|| const_cycle_loop(black_box(10_000))));
[INFO] [stdout]     |                                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - CriterionCycleCounter (line 198)
[INFO] [stdout]     src/lib.rs - MeasureRegion (line 82)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1de8fb3047d5b5268517c34f93b64f111187cb7974091cd1c49b3f4fcfe36271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de8fb3047d5b5268517c34f93b64f111187cb7974091cd1c49b3f4fcfe36271", kill_on_drop: false }`
[INFO] [stdout] 1de8fb3047d5b5268517c34f93b64f111187cb7974091cd1c49b3f4fcfe36271
