[INFO] cloning repository https://github.com/chungmcl/statscalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chungmcl/statscalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungmcl%2Fstatscalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungmcl%2Fstatscalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09615341906c2f91915ab6b4741876006bdc9e4a
[INFO] checking chungmcl/statscalc against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungmcl%2Fstatscalc" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chungmcl/statscalc on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chungmcl/statscalc
[INFO] finished tweaking git repo https://github.com/chungmcl/statscalc
[INFO] tweaked toml for git repo https://github.com/chungmcl/statscalc written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/chungmcl/statscalc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c0a3715e3ee22e3a2913136f8d95770f3f14221a75ed1f3b32b45edff13e7be
[INFO] running `Command { std: "docker" "start" "-a" "2c0a3715e3ee22e3a2913136f8d95770f3f14221a75ed1f3b32b45edff13e7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0a3715e3ee22e3a2913136f8d95770f3f14221a75ed1f3b32b45edff13e7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0a3715e3ee22e3a2913136f8d95770f3f14221a75ed1f3b32b45edff13e7be", kill_on_drop: false }`
[INFO] [stdout] 2c0a3715e3ee22e3a2913136f8d95770f3f14221a75ed1f3b32b45edff13e7be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1376ec0730a8c0288f4b2c8fec99bf66426a6cc9c62366cc5acf38a33c666c2d
[INFO] running `Command { std: "docker" "start" "-a" "1376ec0730a8c0288f4b2c8fec99bf66426a6cc9c62366cc5acf38a33c666c2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking statscalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::general_funcs`
[INFO] [stdout]  --> src/binomial_probability.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::general_funcs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::general_funcs`
[INFO] [stdout]  --> src/binomial_probability.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::general_funcs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deviation`
[INFO] [stdout]   --> src/measures_of_variation.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn deviation(data: &[f32], x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `standard_score`
[INFO] [stdout]   --> src/measures_of_position.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn standard_score(data: &[f32], value: f32, is_population: bool) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mean`
[INFO] [stdout]   --> src/binomial_probability.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn mean(trials: i32, probability_of_success: f32) -> f32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variance`
[INFO] [stdout]   --> src/binomial_probability.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn variance(trials: i32, probability_of_success: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stdev`
[INFO] [stdout]   --> src/binomial_probability.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn stdev(trials: i32, probability_of_success: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deviation`
[INFO] [stdout]   --> src/measures_of_variation.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn deviation(data: &[f32], x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `standard_score`
[INFO] [stdout]   --> src/measures_of_position.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn standard_score(data: &[f32], value: f32, is_population: bool) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mean`
[INFO] [stdout]   --> src/binomial_probability.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn mean(trials: i32, probability_of_success: f32) -> f32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variance`
[INFO] [stdout]   --> src/binomial_probability.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn variance(trials: i32, probability_of_success: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stdev`
[INFO] [stdout]   --> src/binomial_probability.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn stdev(trials: i32, probability_of_success: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1376ec0730a8c0288f4b2c8fec99bf66426a6cc9c62366cc5acf38a33c666c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1376ec0730a8c0288f4b2c8fec99bf66426a6cc9c62366cc5acf38a33c666c2d", kill_on_drop: false }`
[INFO] [stdout] 1376ec0730a8c0288f4b2c8fec99bf66426a6cc9c62366cc5acf38a33c666c2d