[INFO] fetching crate xdlol 0.0.0...
[INFO] testing xdlol-0.0.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate xdlol 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate xdlol 0.0.0
[INFO] finished tweaking crates.io crate xdlol 0.0.0
[INFO] tweaked toml for crates.io crate xdlol 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xdlol 0.0.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to highest compatible versions
[INFO] [stderr]       Adding clippy v0.0.169 (available: v0.0.302)
[INFO] [stderr]       Adding float-cmp v0.4.0 (available: v0.10.0)
[INFO] [stderr]       Adding num v0.1.43 (available: v0.4.3)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.3)
[INFO] [stderr]       Adding statrs v0.9.0 (available: v0.19.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | homepage = "https://gitlab.com/starshell/xdlol"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 | repository = "https://gitlab.com/starshell/xdlol"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `xdlol` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1
[INFO] running `Command { std: "docker" "start" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1", 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" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1", 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" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | homepage = "https://gitlab.com/starshell/xdlol"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 | repository = "https://gitlab.com/starshell/xdlol"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `xdlol` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling num-iter v0.1.46
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling statrs v0.9.0
[INFO] [stderr]    Compiling num v0.1.43
[INFO] [stderr]    Compiling xdlol v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `p_value` is never used
[INFO] [stdout]    --> src/statistics/chi_square.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn p_value(dof: u64, critical_value: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/statistics/frequency.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn values(&self) -> hash_map::Values<K, V> {
[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] 133 |     pub fn values(&self) -> hash_map::Values<'_, K, V> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/statistics/frequency.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn iter(&self) -> hash_map::Iter<K, V> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn iter(&self) -> hash_map::Iter<'_, K, V> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `K` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let K: f64 = dof as f64 * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let X: f64 = critical_value * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1", 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" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | homepage = "https://gitlab.com/starshell/xdlol"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 | repository = "https://gitlab.com/starshell/xdlol"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `xdlol` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling rand_core v0.4.3
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stdout] warning: function `p_value` is never used
[INFO] [stdout]    --> src/statistics/chi_square.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn p_value(dof: u64, critical_value: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/statistics/frequency.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn values(&self) -> hash_map::Values<K, V> {
[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] 133 |     pub fn values(&self) -> hash_map::Values<'_, K, V> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/statistics/frequency.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn iter(&self) -> hash_map::Iter<K, V> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn iter(&self) -> hash_map::Iter<'_, K, V> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `K` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let K: f64 = dof as f64 * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let X: f64 = critical_value * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling xdlol v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/statistics/frequency.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn values(&self) -> hash_map::Values<K, V> {
[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] 133 |     pub fn values(&self) -> hash_map::Values<'_, K, V> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/statistics/frequency.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn iter(&self) -> hash_map::Iter<K, V> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn iter(&self) -> hash_map::Iter<'_, K, V> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `K` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let K: f64 = dof as f64 * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let X: f64 = critical_value * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1", 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" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | homepage = "https://gitlab.com/starshell/xdlol"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 | repository = "https://gitlab.com/starshell/xdlol"
[INFO] [stderr]    |              ------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `xdlol` (manifest) generated 2 warnings
[INFO] [stderr] warning: function `p_value` is never used
[INFO] [stderr]    --> src/statistics/chi_square.rs:112:8
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn p_value(dof: u64, critical_value: f64) -> f64 {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/statistics/frequency.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn values(&self) -> hash_map::Values<K, V> {
[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] 133 |     pub fn values(&self) -> hash_map::Values<'_, K, V> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/statistics/frequency.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn iter(&self) -> hash_map::Iter<K, V> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn iter(&self) -> hash_map::Iter<'_, K, V> {
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `K` should have a snake case name
[INFO] [stderr]    --> src/statistics/chi_square.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let K: f64 = dof as f64 * 0.5;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/statistics/chi_square.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let X: f64 = critical_value * 0.5;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: `xdlol` (lib) generated 5 warnings (run `cargo fix --lib -p xdlol` to apply 2 suggestions)
[INFO] [stderr] warning: `xdlol` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/xdlol/9b7b3d9150dda353/out/xdlol-9b7b3d9150dda353)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test statistics::chi_square::tests::chi_square_test_failure_element_frequency_too_small ... ok
[INFO] [stdout] test statistics::chi_square::tests::chi_square_test_failure_sample_size_too_small ... ok
[INFO] [stdout] test statistics::chi_square::tests::chi_square_test_failure_element_zero_frequency ... ok
[INFO] [stdout] test statistics::chi_square::tests::test_chi_square ... ok
[INFO] [stdout] test statistics::chi_square::tests::p_value_against_scipy ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_from_iter_get ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_insert_get ... ok
[INFO] [stdout] test statistics::chi_square::tests::chi_square_test_pass ... ok
[INFO] [stdout] test statistics::tests::test_normalize_simple_offset ... ok
[INFO] [stdout] test statistics::chi_square::tests::p_value_basic ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_insert_return ... ok
[INFO] [stdout] test statistics::tests::test_normalize_simple ... ok
[INFO] [stdout] test statistics::tests::test_histogram ... ok
[INFO] [stdout] test statistics::chi_square::tests::test_chi_square_large_dataset ... ok
[INFO] [stderr]    Doc-tests xdlol
[INFO] [stdout] test statistics::tests::test_normalize_value_out_of_range_high - should panic ... ok
[INFO] [stdout] test statistics::tests::test_normalize_value_out_of_range_low - should panic ... ok
[INFO] [stdout] test statistics::tests::test_normalize_divide_by_zero - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/statistics/frequency.rs - statistics::frequency::FrequencyMap<K,V>::insert (line 102) ... ok
[INFO] [stdout] test src/statistics/frequency.rs - statistics::frequency::FrequencyMap<K,V>::new (line 36) ... ok
[INFO] [stdout] test src/statistics/frequency.rs - statistics::frequency::FrequencyMap<K,V>::with_capacity (line 55) ... ok
[INFO] [stdout] test src/statistics/mod.rs - statistics::histogram (line 25) ... ok
[INFO] [stdout] test src/statistics/frequency.rs - statistics::frequency::FrequencyMap<K,V>::values (line 120) ... ok
[INFO] [stdout] test src/statistics/frequency.rs - statistics::frequency::FrequencyMap<K,V>::get (line 75) ... ok
[INFO] [stdout] test src/statistics/chi_square.rs - statistics::chi_square::chi_square_test (line 22) ... ok
[INFO] [stdout] test src/statistics/chi_square.rs - statistics::chi_square::chi_square (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1", kill_on_drop: false }`
[INFO] [stdout] 3b1b794c0556857928f8b40e1c0954a1020b4a464219d2d56bb6fa5c33c408f1
