[INFO] cloning repository https://github.com/iraizo/panzer-list-parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iraizo/panzer-list-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firaizo%2Fpanzer-list-parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firaizo%2Fpanzer-list-parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] be4763feaa2dc06b058dbdf6add85cb2d480dedd [INFO] testing iraizo/panzer-list-parser against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firaizo%2Fpanzer-list-parser" "/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/iraizo/panzer-list-parser on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iraizo/panzer-list-parser [INFO] finished tweaking git repo https://github.com/iraizo/panzer-list-parser [INFO] tweaked toml for git repo https://github.com/iraizo/panzer-list-parser written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/iraizo/panzer-list-parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zip v0.5.11 [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8572fe88266bde4dda3e40b711d56edd5ee2b57eb0223e9d413827ebdebcd35c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8572fe88266bde4dda3e40b711d56edd5ee2b57eb0223e9d413827ebdebcd35c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8572fe88266bde4dda3e40b711d56edd5ee2b57eb0223e9d413827ebdebcd35c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8572fe88266bde4dda3e40b711d56edd5ee2b57eb0223e9d413827ebdebcd35c", kill_on_drop: false }` [INFO] [stdout] 8572fe88266bde4dda3e40b711d56edd5ee2b57eb0223e9d413827ebdebcd35c [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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62acdeee1117dc739b9c349921669e496455b30499392160aac9a92dd93558b1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "62acdeee1117dc739b9c349921669e496455b30499392160aac9a92dd93558b1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling syn v1.0.68 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling bzip2-sys v0.1.10+1.0.8 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling tracing v0.1.25 [INFO] [stderr] Compiling http-body v0.4.1 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling sha2 v0.9.3 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling pin-project-internal v1.0.6 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling pin-project v1.0.6 [INFO] [stderr] Compiling zip v0.5.11 [INFO] [stderr] Compiling tokio-util v0.6.5 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.3.2 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling hyper v0.14.5 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.2 [INFO] [stderr] Compiling panzer-list-parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `any::Any`, `path::Path`, `remove_dir` [INFO] [stdout] --> src/download.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{any::Any, fs::{File, read_dir, read_to_string, remove_dir, remove_file}, io::{self, Write, Read, ErrorKind}, path::Path, str}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `from_str` [INFO] [stdout] --> src/download.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::{Value, from_str}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/handler.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use serde::{Serialize, Deserialize}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Result`, `Value` [INFO] [stdout] --> src/handler.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json::{Result, Value}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `handler::Handler` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use handler::Handler; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/download.rs:1:102 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{any::Any, fs::{File, read_dir, read_to_string, remove_dir, remove_file}, io::{self, Write, Read, ErrorKind}, path::Path, str}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dir` [INFO] [stdout] --> src/main.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let dir = create_dir_all("lists/misc").unwrap_or_else(|e| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dir` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/download.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | let file = match file { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/handler.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 54s [INFO] running `Command { std: "docker" "inspect" "62acdeee1117dc739b9c349921669e496455b30499392160aac9a92dd93558b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62acdeee1117dc739b9c349921669e496455b30499392160aac9a92dd93558b1", kill_on_drop: false }` [INFO] [stdout] 62acdeee1117dc739b9c349921669e496455b30499392160aac9a92dd93558b1 [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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74a9b8493814b4dd5c021cd2eb6cb28ad91ec358e2aad2cc0f3bdd65f244f4fc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "74a9b8493814b4dd5c021cd2eb6cb28ad91ec358e2aad2cc0f3bdd65f244f4fc", kill_on_drop: false }` [INFO] [stderr] Compiling panzer-list-parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `any::Any`, `path::Path`, `remove_dir` [INFO] [stdout] --> src/download.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{any::Any, fs::{File, read_dir, read_to_string, remove_dir, remove_file}, io::{self, Write, Read, ErrorKind}, path::Path, str}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `from_str` [INFO] [stdout] --> src/download.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::{Value, from_str}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/handler.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use serde::{Serialize, Deserialize}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Result`, `Value` [INFO] [stdout] --> src/handler.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json::{Result, Value}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `handler::Handler` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use handler::Handler; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/download.rs:1:102 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{any::Any, fs::{File, read_dir, read_to_string, remove_dir, remove_file}, io::{self, Write, Read, ErrorKind}, path::Path, str}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dir` [INFO] [stdout] --> src/main.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let dir = create_dir_all("lists/misc").unwrap_or_else(|e| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dir` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/download.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | let file = match file { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/handler.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "74a9b8493814b4dd5c021cd2eb6cb28ad91ec358e2aad2cc0f3bdd65f244f4fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74a9b8493814b4dd5c021cd2eb6cb28ad91ec358e2aad2cc0f3bdd65f244f4fc", kill_on_drop: false }` [INFO] [stdout] 74a9b8493814b4dd5c021cd2eb6cb28ad91ec358e2aad2cc0f3bdd65f244f4fc [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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9c03eec88b8be0950861df2301189b2a03ecf29fedd494a6fc012e83ffc106dd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9c03eec88b8be0950861df2301189b2a03ecf29fedd494a6fc012e83ffc106dd", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused imports: `any::Any`, `path::Path`, `remove_dir` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/download.rs:1:11 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 1 | use std::{any::Any, fs::{File, read_dir, read_to_string, remove_dir, remove_file}, io::{self, Write, Read, ErrorKind}, path::Path, str}; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `from_str` [INFO] [stderr] --> src/download.rs:3:25 [INFO] [stderr] | [INFO] [stderr] 3 | use serde_json::{Value, from_str}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/handler.rs:1:13 [INFO] [stderr] | [INFO] [stderr] 1 | use serde::{Serialize, Deserialize}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Result`, `Value` [INFO] [stderr] --> src/handler.rs:2:18 [INFO] [stderr] | [INFO] [stderr] 2 | use serde_json::{Result, Value}; [INFO] [stderr] | ^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `handler::Handler` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use handler::Handler; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/download.rs:1:102 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{any::Any, fs::{File, read_dir, read_to_string, remove_dir, remove_file}, io::{self, Write, Read, ErrorKind}, path::Path, str}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dir` [INFO] [stderr] --> src/main.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let dir = create_dir_all("lists/misc").unwrap_or_else(|e| { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_dir` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/download.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | let file = match file { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/handler.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `panzer-list-parser` (bin "panzer-list-parser" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/panzer_list_parser-2f75f09da847b1a9) [INFO] running `Command { std: "docker" "inspect" "9c03eec88b8be0950861df2301189b2a03ecf29fedd494a6fc012e83ffc106dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c03eec88b8be0950861df2301189b2a03ecf29fedd494a6fc012e83ffc106dd", kill_on_drop: false }` [INFO] [stdout] 9c03eec88b8be0950861df2301189b2a03ecf29fedd494a6fc012e83ffc106dd