[INFO] cloning repository https://github.com/Ryneqq/nova [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryneqq/nova" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyneqq%2Fnova", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyneqq%2Fnova'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab0659e548fa4435ccb1483048c0c779f63d3a51 [INFO] checking Ryneqq/nova against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyneqq%2Fnova" "/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/Ryneqq/nova on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ryneqq/nova [INFO] finished tweaking git repo https://github.com/Ryneqq/nova [INFO] tweaked toml for git repo https://github.com/Ryneqq/nova written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/Ryneqq/nova already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] addf3e7349e1c5abf326ce5d56b66f9757b9229fb37b78d524c9beb90b587c6c [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" "addf3e7349e1c5abf326ce5d56b66f9757b9229fb37b78d524c9beb90b587c6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "addf3e7349e1c5abf326ce5d56b66f9757b9229fb37b78d524c9beb90b587c6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "addf3e7349e1c5abf326ce5d56b66f9757b9229fb37b78d524c9beb90b587c6c", kill_on_drop: false }` [INFO] [stdout] addf3e7349e1c5abf326ce5d56b66f9757b9229fb37b78d524c9beb90b587c6c [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e8c97cd0e4f2b157cd18c82311e5d017db8f709f5bb725031e7528bcb667e748 [INFO] running `Command { std: "docker" "start" "-a" "e8c97cd0e4f2b157cd18c82311e5d017db8f709f5bb725031e7528bcb667e748", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling structopt-derive v0.2.14 [INFO] [stderr] Checking structopt v0.2.14 [INFO] [stderr] Checking nova v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/args.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File`, `self` [INFO] [stdout] --> src/args.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{self, File}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mode` [INFO] [stdout] --> src/main.rs:12:22 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::{AppArgs, Mode}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/args.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File`, `self` [INFO] [stdout] --> src/args.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{self, File}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mode` [INFO] [stdout] --> src/main.rs:12:22 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::{AppArgs, Mode}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/module/format_module.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut file = String::new(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/module/format_module.rs:35:18 [INFO] [stdout] | [INFO] [stdout] 35 | fn load_file(path: &Path) -> String { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/create.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut name = name.to_string(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/module/format_module.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut file = String::new(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/module/format_module.rs:35:18 [INFO] [stdout] | [INFO] [stdout] 35 | fn load_file(path: &Path) -> String { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/module/format_module.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut file = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_snake_case` [INFO] [stdout] --> src/create.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn to_snake_case(name: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Enum` [INFO] [stdout] --> src/generate.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Enum(&'a str), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MOD_RS` [INFO] [stdout] --> src/module/find_module.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | pub const MOD_RS: &str = "mod.rs"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `LIB_RS` [INFO] [stdout] --> src/module/find_module.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | pub const LIB_RS: &str = "lib.rs"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MAIN_RS` [INFO] [stdout] --> src/module/find_module.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | pub const MAIN_RS: &str = "main.rs"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ModFinder` [INFO] [stdout] --> src/module/find_module.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct ModFinder { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/module/find_module.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new>(path: P) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `verify_modules` [INFO] [stdout] --> src/module/find_module.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn verify_modules>(path: P) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `verify_module` [INFO] [stdout] --> src/module/find_module.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn verify_module>(path: P) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ends_with_module` [INFO] [stdout] --> src/module/find_module.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn ends_with_module>(path: P) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MOD_RS` [INFO] [stdout] --> src/module/format_module.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | const MOD_RS: &str = "mod.rs"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `LIB_RS` [INFO] [stdout] --> src/module/format_module.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | const LIB_RS: &str = "lib.rs"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MAIN_RS` [INFO] [stdout] --> src/module/format_module.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | const MAIN_RS: &str = "main.rs"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ModFromatter` [INFO] [stdout] --> src/module/format_module.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct ModFromatter { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/module/format_module.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new>(path: P) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `format` [INFO] [stdout] --> src/module/format_module.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn format(mut self) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `commit` [INFO] [stdout] --> src/module/format_module.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn commit(self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `load_file` [INFO] [stdout] --> src/module/format_module.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn load_file(path: &Path) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `verify_file` [INFO] [stdout] --> src/module/format_module.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn verify_file(&self) -> Result<(),()> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/create.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut name = name.to_string(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/module/format_module.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut file = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Enum` [INFO] [stdout] --> src/generate.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Enum(&'a str), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ModFinder` [INFO] [stdout] --> src/module/find_module.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct ModFinder { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/module/find_module.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new>(path: P) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MOD_RS` [INFO] [stdout] --> src/module/format_module.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | const MOD_RS: &str = "mod.rs"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `LIB_RS` [INFO] [stdout] --> src/module/format_module.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | const LIB_RS: &str = "lib.rs"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MAIN_RS` [INFO] [stdout] --> src/module/format_module.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | const MAIN_RS: &str = "main.rs"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ModFromatter` [INFO] [stdout] --> src/module/format_module.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct ModFromatter { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/module/format_module.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new>(path: P) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `format` [INFO] [stdout] --> src/module/format_module.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn format(mut self) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `commit` [INFO] [stdout] --> src/module/format_module.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn commit(self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `load_file` [INFO] [stdout] --> src/module/format_module.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn load_file(path: &Path) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `verify_file` [INFO] [stdout] --> src/module/format_module.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn verify_file(&self) -> Result<(),()> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/module/find_module.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | File::create("./mod.rs"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/module/find_module.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | fs::remove_file("./mod.rs"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.42s [INFO] running `Command { std: "docker" "inspect" "e8c97cd0e4f2b157cd18c82311e5d017db8f709f5bb725031e7528bcb667e748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8c97cd0e4f2b157cd18c82311e5d017db8f709f5bb725031e7528bcb667e748", kill_on_drop: false }` [INFO] [stdout] e8c97cd0e4f2b157cd18c82311e5d017db8f709f5bb725031e7528bcb667e748