[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#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungmcl%2Fstatscalc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chungmcl/statscalc on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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-0/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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-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" "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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce5f6d4c660957b8de59bea1e4823f9ee1046322888e1648ac3d3b64c74c25cb
[INFO] running `Command { std: "docker" "start" "-a" "ce5f6d4c660957b8de59bea1e4823f9ee1046322888e1648ac3d3b64c74c25cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce5f6d4c660957b8de59bea1e4823f9ee1046322888e1648ac3d3b64c74c25cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5f6d4c660957b8de59bea1e4823f9ee1046322888e1648ac3d3b64c74c25cb", kill_on_drop: false }`
[INFO] [stdout] ce5f6d4c660957b8de59bea1e4823f9ee1046322888e1648ac3d3b64c74c25cb
[INFO] running `Command { std: "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" "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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67ee9cfba504192531e4f7b12ab3bd91827e2f7b1386af71d55a77e344b48d2f
[INFO] running `Command { std: "docker" "start" "-a" "67ee9cfba504192531e4f7b12ab3bd91827e2f7b1386af71d55a77e344b48d2f", 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: 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "67ee9cfba504192531e4f7b12ab3bd91827e2f7b1386af71d55a77e344b48d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ee9cfba504192531e4f7b12ab3bd91827e2f7b1386af71d55a77e344b48d2f", kill_on_drop: false }`
[INFO] [stdout] 67ee9cfba504192531e4f7b12ab3bd91827e2f7b1386af71d55a77e344b48d2f