[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungmcl%2Fstatscalc" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chungmcl/statscalc on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-105/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1d885fbd660b1e28192f3790d927f2abedc67a1af0fcedf64fc3ecbae758c6c
[INFO] running `Command { std: "docker" "start" "-a" "b1d885fbd660b1e28192f3790d927f2abedc67a1af0fcedf64fc3ecbae758c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1d885fbd660b1e28192f3790d927f2abedc67a1af0fcedf64fc3ecbae758c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d885fbd660b1e28192f3790d927f2abedc67a1af0fcedf64fc3ecbae758c6c", kill_on_drop: false }`
[INFO] [stdout] b1d885fbd660b1e28192f3790d927f2abedc67a1af0fcedf64fc3ecbae758c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f0e6c4e09cd4667eaf8ec7f886ef80daf115c9ec329be1a5f1c8ae9cfb40a89
[INFO] running `Command { std: "docker" "start" "-a" "7f0e6c4e09cd4667eaf8ec7f886ef80daf115c9ec329be1a5f1c8ae9cfb40a89", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking statscalc v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/binomial_probability.rs (1 fix)
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking statscalc v0.1.0 (/tmp/fixit)
[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: `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: `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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.10s
[INFO] running `Command { std: "docker" "inspect" "7f0e6c4e09cd4667eaf8ec7f886ef80daf115c9ec329be1a5f1c8ae9cfb40a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0e6c4e09cd4667eaf8ec7f886ef80daf115c9ec329be1a5f1c8ae9cfb40a89", kill_on_drop: false }`
[INFO] [stdout] 7f0e6c4e09cd4667eaf8ec7f886ef80daf115c9ec329be1a5f1c8ae9cfb40a89