[INFO] crate xdlol 0.0.0 is already in cache
[INFO] testing xdlol-0.0.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate xdlol 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xdlol 0.0.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45ecef2b4cf9204224272f88d1815f15c7a4914f3f4a68dfd3c72ed2d0b4e3a4
[INFO] running `"docker" "start" "-a" "45ecef2b4cf9204224272f88d1815f15c7a4914f3f4a68dfd3c72ed2d0b4e3a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling statrs v0.9.0
[INFO] [stderr]    Compiling xdlol v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `p_value`
[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)]` 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 (notice the capitalization): `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 (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `"docker" "inspect" "45ecef2b4cf9204224272f88d1815f15c7a4914f3f4a68dfd3c72ed2d0b4e3a4"`
[INFO] running `"docker" "rm" "-f" "45ecef2b4cf9204224272f88d1815f15c7a4914f3f4a68dfd3c72ed2d0b4e3a4"`
[INFO] [stdout] 45ecef2b4cf9204224272f88d1815f15c7a4914f3f4a68dfd3c72ed2d0b4e3a4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25b2d04b4c36f40dcd62111615c6a061d9d1c30f11607ff37f6db517e2fc096c
[INFO] running `"docker" "start" "-a" "25b2d04b4c36f40dcd62111615c6a061d9d1c30f11607ff37f6db517e2fc096c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr] warning: function is never used: `p_value`
[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)]` 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 (notice the capitalization): `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 (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling xdlol v0.0.0 (/opt/rustwide/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 (notice the capitalization): `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 (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `"docker" "inspect" "25b2d04b4c36f40dcd62111615c6a061d9d1c30f11607ff37f6db517e2fc096c"`
[INFO] running `"docker" "rm" "-f" "25b2d04b4c36f40dcd62111615c6a061d9d1c30f11607ff37f6db517e2fc096c"`
[INFO] [stdout] 25b2d04b4c36f40dcd62111615c6a061d9d1c30f11607ff37f6db517e2fc096c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 2d230dec43bae6d79b3f123dc53eec4e14a051f329aabaa28ceaeaadf8fe51e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2d230dec43bae6d79b3f123dc53eec4e14a051f329aabaa28ceaeaadf8fe51e1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: function is never used: `p_value`
[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)]` 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 (notice the capitalization): `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 (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[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)]` 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xdlol-a998c7f5454a81c4
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[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::p_value_against_scipy ... ok
[INFO] [stdout] test statistics::chi_square::tests::chi_square_test_failure_element_frequency_too_small ... ok
[INFO] [stdout] test statistics::chi_square::tests::p_value_basic ... ok
[INFO] [stdout] test statistics::chi_square::tests::chi_square_test_pass ... ok
[INFO] [stdout] test statistics::chi_square::tests::test_chi_square ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_from_iter_get ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_insert_return ... ok
[INFO] [stdout] test statistics::tests::test_histogram ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_insert_get ... ok
[INFO] [stdout] test statistics::tests::test_normalize_simple_offset ... ok
[INFO] [stdout] test statistics::tests::test_normalize_simple ... ok
[INFO] [stdout] test statistics::chi_square::tests::test_chi_square_large_dataset ... 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] test statistics::tests::test_normalize_divide_by_zero ... ok
[INFO] [stderr]    Doc-tests xdlol
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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/frequency.rs - statistics::frequency::FrequencyMap<K, V>::get (line 75) ... ok
[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>::values (line 120) ... 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] 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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2d230dec43bae6d79b3f123dc53eec4e14a051f329aabaa28ceaeaadf8fe51e1"`
[INFO] running `"docker" "rm" "-f" "2d230dec43bae6d79b3f123dc53eec4e14a051f329aabaa28ceaeaadf8fe51e1"`
[INFO] [stdout] 2d230dec43bae6d79b3f123dc53eec4e14a051f329aabaa28ceaeaadf8fe51e1