[INFO] updating cached repository https://github.com/BraedonWooding/CVM
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb6791f656ec3c0ed3db5709838f9f483fa4d913
[INFO] checking BraedonWooding/CVM against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBraedonWooding%2FCVM" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BraedonWooding/CVM on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BraedonWooding/CVM
[INFO] finished tweaking git repo https://github.com/BraedonWooding/CVM
[INFO] tweaked toml for git repo https://github.com/BraedonWooding/CVM written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/BraedonWooding/CVM already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6022215ca1b4d602e24f3159291b7e31cb95117ac53f94b162a5193af2eec81d
[INFO] running `"docker" "start" "-a" "6022215ca1b4d602e24f3159291b7e31cb95117ac53f94b162a5193af2eec81d"`
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]     Checking tui v0.7.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]     Checking cvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `info`, `trace`
[INFO] [stderr]  --> src/logger.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{info, trace, warn};
[INFO] [stderr]   |           ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::compiler::ast::*`
[INFO] [stderr]  --> src/logger.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::compiler::ast::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::compiler::parser::*`
[INFO] [stderr]  --> src/logger.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::compiler::parser::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info`, `trace`
[INFO] [stderr]  --> src/c_transpiler.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{info, trace, warn};
[INFO] [stderr]   |           ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info`, `trace`
[INFO] [stderr]  --> src/compiler/lexer.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{info, trace, warn};
[INFO] [stderr]   |           ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/compiler/type_infer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `info`
[INFO] [stderr]  --> src/compiler/type_infer.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use log::{info, warn};
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `info`
[INFO] [stderr]  --> src/compiler/type_check.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use log::{info, warn};
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/compiler/type_check.rs:153:20
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 if (*a_id == *b_id) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/compiler/type_check.rs:162:20
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 if (*a_id != *b_id) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/compiler/type_check.rs:169:20
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 if (self.occurs(*id, other)) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info`, `trace`
[INFO] [stderr]  --> src/logger.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{info, trace, warn};
[INFO] [stderr]   |           ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::compiler::ast::*`
[INFO] [stderr]  --> src/logger.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::compiler::ast::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::compiler::parser::*`
[INFO] [stderr]  --> src/logger.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::compiler::parser::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info`, `trace`
[INFO] [stderr]  --> src/c_transpiler.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{info, trace, warn};
[INFO] [stderr]   |           ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info`, `trace`
[INFO] [stderr]  --> src/compiler/lexer.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{info, trace, warn};
[INFO] [stderr]   |           ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/compiler/type_infer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `info`
[INFO] [stderr]  --> src/compiler/type_infer.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use log::{info, warn};
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `info`
[INFO] [stderr]  --> src/compiler/type_check.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use log::{info, warn};
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/compiler/type_check.rs:153:20
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 if (*a_id == *b_id) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/compiler/type_check.rs:162:20
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 if (*a_id != *b_id) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/compiler/type_check.rs:169:20
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 if (self.occurs(*id, other)) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/compiler/type_infer.rs:63:71
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 UnaryKind::BitNot | UnaryKind::Neg | UnaryKind::Pos | UnaryKind::Neg | UnaryKind::Not => res,
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lambda`
[INFO] [stderr]    --> src/c_transpiler.rs:256:30
[INFO] [stderr]     |
[INFO] [stderr] 256 |             ExprKind::Lambda(lambda) => {
[INFO] [stderr]     |                              ^^^^^^ help: consider prefixing with an underscore: `_lambda`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/compiler/type_infer.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 |         for (key, value) in program.structs.iter_mut() {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]   --> src/compiler/type_infer.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut info = inferer.stack.new_struct(key);
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/compiler/type_infer.rs:134:44
[INFO] [stderr]     |
[INFO] [stderr] 134 |             ExprKind::Member(ref mut expr, id) => {
[INFO] [stderr]     |                                            ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/compiler/type_infer.rs:140:35
[INFO] [stderr]     |
[INFO] [stderr] 140 |             ExprKind::GenFuncCall(id, gen_args, args) => {
[INFO] [stderr]     |                                   ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gen_args`
[INFO] [stderr]    --> src/compiler/type_infer.rs:140:39
[INFO] [stderr]     |
[INFO] [stderr] 140 |             ExprKind::GenFuncCall(id, gen_args, args) => {
[INFO] [stderr]     |                                       ^^^^^^^^ help: consider prefixing with an underscore: `_gen_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/compiler/type_infer.rs:192:30
[INFO] [stderr]     |
[INFO] [stderr] 192 |             ExprKind::Sizeof(ty, ref mut expr) => {
[INFO] [stderr]     |                              ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/compiler/type_infer.rs:237:45
[INFO] [stderr]     |
[INFO] [stderr] 237 |             ExprKind::Lambda(Lambda{ref mut args, ref mut block, ..}) => {
[INFO] [stderr]     |                                     --------^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]    --> src/compiler/type_infer.rs:237:59
[INFO] [stderr]     |
[INFO] [stderr] 237 |             ExprKind::Lambda(Lambda{ref mut args, ref mut block, ..}) => {
[INFO] [stderr]     |                                                   --------^^^^^
[INFO] [stderr]     |                                                   |
[INFO] [stderr]     |                                                   help: try ignoring the field: `block: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `step`
[INFO] [stderr]   --> src/compiler/type_check.rs:84:65
[INFO] [stderr]    |
[INFO] [stderr] 84 |             Statement::For(ref mut start, ref mut stop, ref mut step, ref mut block) => {
[INFO] [stderr]    |                                                                 ^^^^ help: consider prefixing with an underscore: `_step`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/compiler/type_check.rs:115:35
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn type_check_expr(&mut self, expr: &mut Expr) {
[INFO] [stderr]     |                                   ^^^^ help: consider prefixing with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/compiler/type_infer.rs:63:71
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 UnaryKind::BitNot | UnaryKind::Neg | UnaryKind::Pos | UnaryKind::Neg | UnaryKind::Not => res,
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lambda`
[INFO] [stderr]    --> src/c_transpiler.rs:256:30
[INFO] [stderr]     |
[INFO] [stderr] 256 |             ExprKind::Lambda(lambda) => {
[INFO] [stderr]     |                              ^^^^^^ help: consider prefixing with an underscore: `_lambda`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/compiler/type_infer.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 |         for (key, value) in program.structs.iter_mut() {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]   --> src/compiler/type_infer.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut info = inferer.stack.new_struct(key);
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/compiler/type_infer.rs:134:44
[INFO] [stderr]     |
[INFO] [stderr] 134 |             ExprKind::Member(ref mut expr, id) => {
[INFO] [stderr]     |                                            ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/compiler/type_infer.rs:140:35
[INFO] [stderr]     |
[INFO] [stderr] 140 |             ExprKind::GenFuncCall(id, gen_args, args) => {
[INFO] [stderr]     |                                   ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gen_args`
[INFO] [stderr]    --> src/compiler/type_infer.rs:140:39
[INFO] [stderr]     |
[INFO] [stderr] 140 |             ExprKind::GenFuncCall(id, gen_args, args) => {
[INFO] [stderr]     |                                       ^^^^^^^^ help: consider prefixing with an underscore: `_gen_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/compiler/type_infer.rs:192:30
[INFO] [stderr]     |
[INFO] [stderr] 192 |             ExprKind::Sizeof(ty, ref mut expr) => {
[INFO] [stderr]     |                              ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/compiler/type_infer.rs:237:45
[INFO] [stderr]     |
[INFO] [stderr] 237 |             ExprKind::Lambda(Lambda{ref mut args, ref mut block, ..}) => {
[INFO] [stderr]     |                                     --------^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]    --> src/compiler/type_infer.rs:237:59
[INFO] [stderr]     |
[INFO] [stderr] 237 |             ExprKind::Lambda(Lambda{ref mut args, ref mut block, ..}) => {
[INFO] [stderr]     |                                                   --------^^^^^
[INFO] [stderr]     |                                                   |
[INFO] [stderr]     |                                                   help: try ignoring the field: `block: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `step`
[INFO] [stderr]   --> src/compiler/type_check.rs:84:65
[INFO] [stderr]    |
[INFO] [stderr] 84 |             Statement::For(ref mut start, ref mut stop, ref mut step, ref mut block) => {
[INFO] [stderr]    |                                                                 ^^^^ help: consider prefixing with an underscore: `_step`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/compiler/type_check.rs:115:35
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn type_check_expr(&mut self, expr: &mut Expr) {
[INFO] [stderr]     |                                   ^^^^ help: consider prefixing with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/compiler/type_infer.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut info = inferer.stack.new_struct(key);
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/compiler/type_infer.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut info = inferer.stack.new_struct(key);
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]   --> src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]   --> src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.39s
[INFO] running `"docker" "inspect" "6022215ca1b4d602e24f3159291b7e31cb95117ac53f94b162a5193af2eec81d"`
[INFO] running `"docker" "rm" "-f" "6022215ca1b4d602e24f3159291b7e31cb95117ac53f94b162a5193af2eec81d"`
[INFO] [stdout] 6022215ca1b4d602e24f3159291b7e31cb95117ac53f94b162a5193af2eec81d