[INFO] crate xdlol 0.0.0 is already in cache
[INFO] extracting crate xdlol 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/xdlol/0.0.0
[INFO] extracting crate xdlol 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xdlol/0.0.0
[INFO] validating manifest of xdlol-0.0.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xdlol-0.0.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xdlol-0.0.0
[INFO] finished frobbing xdlol-0.0.0
[INFO] frobbed toml for xdlol-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/xdlol/0.0.0/Cargo.toml
[INFO] started frobbing xdlol-0.0.0
[INFO] finished frobbing xdlol-0.0.0
[INFO] frobbed toml for xdlol-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xdlol/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing xdlol-0.0.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/xdlol/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d5e7363f506457ec8717cdeafcbae53bed0f334bbff614663f8e4520f573b6d8
[INFO] running `"docker" "start" "-a" "d5e7363f506457ec8717cdeafcbae53bed0f334bbff614663f8e4520f573b6d8"`
[INFO] [stderr]    Compiling statrs v0.9.0
[INFO] [stderr]    Compiling xdlol v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `p_value`
[INFO] [stderr]    --> src/statistics/chi_square.rs:112:1
[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)] on by default
[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: `k`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] 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: `x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `"docker" "inspect" "d5e7363f506457ec8717cdeafcbae53bed0f334bbff614663f8e4520f573b6d8"`
[INFO] running `"docker" "rm" "-f" "d5e7363f506457ec8717cdeafcbae53bed0f334bbff614663f8e4520f573b6d8"`
[INFO] [stdout] d5e7363f506457ec8717cdeafcbae53bed0f334bbff614663f8e4520f573b6d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/xdlol/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1e8d37f5f14c8d6e233130e6a303bc4b09ca9198c903d0b2af5da18b9f844ef7
[INFO] running `"docker" "start" "-a" "1e8d37f5f14c8d6e233130e6a303bc4b09ca9198c903d0b2af5da18b9f844ef7"`
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling xdlol v0.0.0 (/opt/crater/workdir)
[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: `k`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] 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: `x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `"docker" "inspect" "1e8d37f5f14c8d6e233130e6a303bc4b09ca9198c903d0b2af5da18b9f844ef7"`
[INFO] running `"docker" "rm" "-f" "1e8d37f5f14c8d6e233130e6a303bc4b09ca9198c903d0b2af5da18b9f844ef7"`
[INFO] [stdout] 1e8d37f5f14c8d6e233130e6a303bc4b09ca9198c903d0b2af5da18b9f844ef7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/xdlol/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 917e0505927ff9608cdcc212d74fac2d7ce4727d373de88c3309595a03c78aca
[INFO] running `"docker" "start" "-a" "917e0505927ff9608cdcc212d74fac2d7ce4727d373de88c3309595a03c78aca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xdlol-3d2aa88fcd1801bf
[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_pass ... ok
[INFO] [stdout] test statistics::chi_square::tests::p_value_against_scipy ... ok
[INFO] [stdout] test statistics::chi_square::tests::test_chi_square ... ok
[INFO] [stdout] test statistics::chi_square::tests::chi_square_test_failure_sample_size_too_small ... ok
[INFO] [stdout] test statistics::chi_square::tests::p_value_basic ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_insert_get ... ok
[INFO] [stdout] test statistics::chi_square::tests::chi_square_test_failure_element_zero_frequency ... ok
[INFO] [stdout] test statistics::tests::test_normalize_simple_offset ... ok
[INFO] [stdout] test statistics::tests::test_normalize_simple ... ok
[INFO] [stdout] test statistics::tests::test_histogram ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_insert_return ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_from_iter_get ... ok
[INFO] [stdout] test statistics::chi_square::tests::test_chi_square_large_dataset ... ok
[INFO] [stdout] test statistics::tests::test_normalize_divide_by_zero ... ok
[INFO] [stdout] test statistics::tests::test_normalize_value_out_of_range_high ... ok
[INFO] [stdout] test statistics::tests::test_normalize_value_out_of_range_low ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xdlol
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/statistics/frequency.rs - statistics::frequency::FrequencyMap<K, V>::with_capacity (line 55) ... ok
[INFO] [stdout] test src/statistics/frequency.rs - statistics::frequency::FrequencyMap<K, V>::new (line 36) ... ok
[INFO] [stdout] test src/statistics/chi_square.rs - statistics::chi_square::chi_square (line 65) ... ok
[INFO] [stdout] test src/statistics/frequency.rs - statistics::frequency::FrequencyMap<K, V>::get (line 75) ... 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>::insert (line 102) ... ok
[INFO] [stdout] test src/statistics/chi_square.rs - statistics::chi_square::chi_square_test (line 22) ... ok
[INFO] [stdout] test src/statistics/mod.rs - statistics::histogram (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "917e0505927ff9608cdcc212d74fac2d7ce4727d373de88c3309595a03c78aca"`
[INFO] running `"docker" "rm" "-f" "917e0505927ff9608cdcc212d74fac2d7ce4727d373de88c3309595a03c78aca"`
[INFO] [stdout] 917e0505927ff9608cdcc212d74fac2d7ce4727d373de88c3309595a03c78aca