[INFO] cloning repository https://github.com/matteokutufa/confucius
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matteokutufa/confucius" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteokutufa%2Fconfucius", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteokutufa%2Fconfucius'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d2c068e026a25099278f19b671ab352fd70b652
[INFO] checking matteokutufa/confucius/4d2c068e026a25099278f19b671ab352fd70b652 against c9ff496891c278ad660bc0ab85c1f0b72059464a for pr-160491
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteokutufa%2Fconfucius" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matteokutufa/confucius
[INFO] finished tweaking git repo https://github.com/matteokutufa/confucius
[INFO] tweaked toml for git repo https://github.com/matteokutufa/confucius written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matteokutufa/confucius on toolchain c9ff496891c278ad660bc0ab85c1f0b72059464a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9ff496891c278ad660bc0ab85c1f0b72059464a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matteokutufa/confucius 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" "+c9ff496891c278ad660bc0ab85c1f0b72059464a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-clean v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7d93f226c231e06548300327a15379cf743bb452ed37c377024874351c16ab74
[INFO] running `Command { std: "docker" "start" "7d93f226c231e06548300327a15379cf743bb452ed37c377024874351c16ab74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d93f226c231e06548300327a15379cf743bb452ed37c377024874351c16ab74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d93f226c231e06548300327a15379cf743bb452ed37c377024874351c16ab74" "/opt/rustwide/cargo-home/bin/cargo" "+c9ff496891c278ad660bc0ab85c1f0b72059464a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d93f226c231e06548300327a15379cf743bb452ed37c377024874351c16ab74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d93f226c231e06548300327a15379cf743bb452ed37c377024874351c16ab74" "/opt/rustwide/cargo-home/bin/cargo" "+c9ff496891c278ad660bc0ab85c1f0b72059464a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking winnow v0.7.6
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking path-clean v1.0.1
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stderr]     Checking confucius v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/formats/ini.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, Write};
[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: `BufRead`
[INFO] [stdout]   --> src/lib.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::io::{self, BufRead};
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/formats/ini.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, Write};
[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: `BufRead`
[INFO] [stdout]   --> src/lib.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::io::{self, BufRead};
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file` is never used
[INFO] [stdout]   --> src/parser.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_file(config: &mut Config, path: &Path) -> Result<(), ConfigError> {
[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 `detect_format` is never used
[INFO] [stdout]   --> src/parser.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn detect_format(content: &str) -> ConfigFormat {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file` is never used
[INFO] [stdout]   --> src/parser.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_file(config: &mut Config, path: &Path) -> Result<(), ConfigError> {
[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 `detect_format` is never used
[INFO] [stdout]   --> src/parser.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn detect_format(content: &str) -> ConfigFormat {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `etc_dir`
[INFO] [stdout]   --> tests/integration_tests.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let etc_dir = self.temp_dir.path().join("etc");
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_etc_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home_config_dir`
[INFO] [stdout]   --> tests/integration_tests.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let home_config_dir = self.temp_dir.path()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_home_config_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_float` and `get_boolean` are never used
[INFO] [stdout]    --> examples/hierarchical_config.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl HierarchicalConfig {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn get_float(&self, section: &str, key: &str, default: Option<f64>) -> Option<f64> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     fn get_boolean(&self, section: &str, key: &str, default: Option<bool>) -> Option<bool> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.71s
[INFO] running `Command { std: "docker" "inspect" "7d93f226c231e06548300327a15379cf743bb452ed37c377024874351c16ab74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d93f226c231e06548300327a15379cf743bb452ed37c377024874351c16ab74", kill_on_drop: false }`
[INFO] [stdout] 7d93f226c231e06548300327a15379cf743bb452ed37c377024874351c16ab74
