[INFO] cloning repository https://github.com/hujinsen/rust-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hujinsen/rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhujinsen%2Frust-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhujinsen%2Frust-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47bb77b73bc96dcd0c104ce527a1c60a2f4de7d2
[INFO] checking hujinsen/rust-demo/47bb77b73bc96dcd0c104ce527a1c60a2f4de7d2 against master#2c0f4860cc86e2354a55ea04e738848168435c90 for pr-149145
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhujinsen%2Frust-demo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hujinsen/rust-demo
[INFO] finished tweaking git repo https://github.com/hujinsen/rust-demo
[INFO] tweaked toml for git repo https://github.com/hujinsen/rust-demo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hujinsen/rust-demo on toolchain 2c0f4860cc86e2354a55ea04e738848168435c90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hujinsen/rust-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f7e40c131b3053e905b06bf2ae2265ceaf004e0ee9cb449dc3327d3e57a968a
[INFO] running `Command { std: "docker" "start" "-a" "4f7e40c131b3053e905b06bf2ae2265ceaf004e0ee9cb449dc3327d3e57a968a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f7e40c131b3053e905b06bf2ae2265ceaf004e0ee9cb449dc3327d3e57a968a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7e40c131b3053e905b06bf2ae2265ceaf004e0ee9cb449dc3327d3e57a968a", kill_on_drop: false }`
[INFO] [stdout] 4f7e40c131b3053e905b06bf2ae2265ceaf004e0ee9cb449dc3327d3e57a968a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 971ae550b96730e038f75b36724489acf843cf845dfdb1a36eaa8f8da5d5f769
[INFO] running `Command { std: "docker" "start" "-a" "971ae550b96730e038f75b36724489acf843cf845dfdb1a36eaa8f8da5d5f769", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking rust-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::consts`
[INFO] [stdout]  --> src/basics/variable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/basics/guess_number.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::consts`
[INFO] [stdout]  --> src/basics/variable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_number` is never used
[INFO] [stdout]   --> src/basics/guess_number.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn guess_number() -> () {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `c_to_f` is never used
[INFO] [stdout]   --> src/basics/guess_number.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn c_to_f(C: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f_to_c` is never used
[INFO] [stdout]   --> src/basics/guess_number.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn f_to_c(F: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_temperature` is never used
[INFO] [stdout]   --> src/basics/guess_number.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn convert_temperature() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DemoError` is never used
[INFO] [stdout]  --> src/errors/error_demo.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum DemoError {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_first_number` is never used
[INFO] [stdout]   --> src/errors/error_demo.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn read_first_number(path: &Path) -> Result<i64, DemoError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fibonacci` is never constructed
[INFO] [stdout]  --> src/iter_collections/fib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Fibonacci {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/iter_collections/fib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Fibonacci {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self { Self { prev: 0, curr: 1 } }
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `slice`, `k`, and `pos` are never read
[INFO] [stdout]   --> src/iter_collections/windows.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Windows<'a, T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |     slice: &'a [T],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     k: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     pos: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/basics/guess_number.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn c_to_f(C: f32) -> f32 {
[INFO] [stdout]    |           ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]   --> src/basics/guess_number.rs:60:11
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn f_to_c(F: f32) -> f32 {
[INFO] [stdout]    |           ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_number` is never used
[INFO] [stdout]   --> src/basics/guess_number.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn guess_number() -> () {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `c_to_f` is never used
[INFO] [stdout]   --> src/basics/guess_number.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn c_to_f(C: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f_to_c` is never used
[INFO] [stdout]   --> src/basics/guess_number.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn f_to_c(F: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_temperature` is never used
[INFO] [stdout]   --> src/basics/guess_number.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn convert_temperature() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `slice`, `k`, and `pos` are never read
[INFO] [stdout]   --> src/iter_collections/windows.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Windows<'a, T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |     slice: &'a [T],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     k: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     pos: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/basics/guess_number.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn c_to_f(C: f32) -> f32 {
[INFO] [stdout]    |           ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]   --> src/basics/guess_number.rs:60:11
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn f_to_c(F: f32) -> f32 {
[INFO] [stdout]    |           ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "971ae550b96730e038f75b36724489acf843cf845dfdb1a36eaa8f8da5d5f769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971ae550b96730e038f75b36724489acf843cf845dfdb1a36eaa8f8da5d5f769", kill_on_drop: false }`
[INFO] [stdout] 971ae550b96730e038f75b36724489acf843cf845dfdb1a36eaa8f8da5d5f769
