[INFO] fetching crate xdlol 0.0.0...
[INFO] testing xdlol-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xdlol 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate xdlol 0.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] [stderr]   Downloaded clippy v0.0.169
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.15
[INFO] [stderr]   Downloaded semver v0.6.0
[INFO] [stderr]   Downloaded statrs v0.9.0
[INFO] [stderr]   Downloaded cargo_metadata v0.2.3
[INFO] [stderr]   Downloaded clippy_lints v0.0.169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13f7f72ffabfe2e2b62d60a584e061f2f28361b735c38a6ba0614323dcd4ce0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13f7f72ffabfe2e2b62d60a584e061f2f28361b735c38a6ba0614323dcd4ce0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f7f72ffabfe2e2b62d60a584e061f2f28361b735c38a6ba0614323dcd4ce0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f7f72ffabfe2e2b62d60a584e061f2f28361b735c38a6ba0614323dcd4ce0c", kill_on_drop: false }`
[INFO] [stdout] 13f7f72ffabfe2e2b62d60a584e061f2f28361b735c38a6ba0614323dcd4ce0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4bd8147975df96e7d31abd206c79639be6d46e098ac5a34b9e02a81dd8bc6d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e4bd8147975df96e7d31abd206c79639be6d46e098ac5a34b9e02a81dd8bc6d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling statrs v0.9.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling xdlol v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `p_value`
[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)]` on by default
[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)]` 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "e4bd8147975df96e7d31abd206c79639be6d46e098ac5a34b9e02a81dd8bc6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bd8147975df96e7d31abd206c79639be6d46e098ac5a34b9e02a81dd8bc6d1", kill_on_drop: false }`
[INFO] [stdout] e4bd8147975df96e7d31abd206c79639be6d46e098ac5a34b9e02a81dd8bc6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d9874417c2e816f14e951cb6603135c8c668a1b13f0b331f5a00ae20c95e93
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f2d9874417c2e816f14e951cb6603135c8c668a1b13f0b331f5a00ae20c95e93", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `p_value`
[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)]` on by default
[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)]` 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling xdlol v0.0.0 (/opt/rustwide/workdir)
[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)]` 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "f2d9874417c2e816f14e951cb6603135c8c668a1b13f0b331f5a00ae20c95e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d9874417c2e816f14e951cb6603135c8c668a1b13f0b331f5a00ae20c95e93", kill_on_drop: false }`
[INFO] [stdout] f2d9874417c2e816f14e951cb6603135c8c668a1b13f0b331f5a00ae20c95e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b3da8f00c73ba8fd054f333f6b8db8e6258d05758dddd2f19105829a07cef1b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b3da8f00c73ba8fd054f333f6b8db8e6258d05758dddd2f19105829a07cef1b", kill_on_drop: false }`
[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 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xdlol-12c1c372502fcad2
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test statistics::frequency::tests::frequency_map_insert_get ... ok
[INFO] [stdout] test statistics::frequency::tests::frequency_map_from_iter_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::chi_square_test_pass ... 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::frequency::tests::frequency_map_insert_return ... ok
[INFO] [stdout] test statistics::tests::test_histogram ... ok
[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::p_value_basic ... ok
[INFO] [stdout] test statistics::chi_square::tests::p_value_against_scipy ... 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_divide_by_zero ... 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; finished in 0.07s
[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>::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/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/frequency.rs - statistics::frequency::FrequencyMap<K, V>::insert (line 102) ... 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/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 2.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b3da8f00c73ba8fd054f333f6b8db8e6258d05758dddd2f19105829a07cef1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b3da8f00c73ba8fd054f333f6b8db8e6258d05758dddd2f19105829a07cef1b", kill_on_drop: false }`
[INFO] [stdout] 9b3da8f00c73ba8fd054f333f6b8db8e6258d05758dddd2f19105829a07cef1b