[INFO] updating cached repository https://github.com/dsbrgg/rk
[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] 1cf0911c76686fc0ea5550758fe1fcec12a456ff
[INFO] checking dsbrgg/rk against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsbrgg%2Frk" "/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/dsbrgg/rk on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dsbrgg/rk
[INFO] finished tweaking git repo https://github.com/dsbrgg/rk
[INFO] tweaked toml for git repo https://github.com/dsbrgg/rk written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dsbrgg/rk already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 2c8680f83758f4fa32c46103046c191dd6e7ff7ae7d561928c2d49275e53741f
[INFO] running `"docker" "start" "-a" "2c8680f83758f4fa32c46103046c191dd6e7ff7ae7d561928c2d49275e53741f"`
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling openssl-sys v0.9.51
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking rk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Mapping`, `Value`
[INFO] [stderr]  --> src/managers/dir_manager.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde_yaml::{Mapping, Value};
[INFO] [stderr]   |                  ^^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/managers/dir_manager.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/managers/dir_manager.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Write, ErrorKind};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/managers/file_manager.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::{self, File};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `self`
[INFO] [stderr]  --> src/managers/file_manager.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, Write, ErrorKind};
[INFO] [stderr]   |               ^^^^         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirManager`
[INFO] [stderr]  --> src/managers/file_manager.rs:8:36
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::managers::dir_manager::{DirManager};
[INFO] [stderr]   |                                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirAction`
[INFO] [stderr]  --> src/lib.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | use managers::dir_manager::{DirAction, DirManager};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mapping`, `Value`
[INFO] [stderr]  --> src/managers/dir_manager.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde_yaml::{Mapping, Value};
[INFO] [stderr]   |                  ^^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/managers/dir_manager.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/managers/dir_manager.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Write, ErrorKind};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/managers/file_manager.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::{self, File};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `self`
[INFO] [stderr]  --> src/managers/file_manager.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, Write, ErrorKind};
[INFO] [stderr]   |               ^^^^         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirManager`
[INFO] [stderr]  --> src/managers/file_manager.rs:8:36
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::managers::dir_manager::{DirManager};
[INFO] [stderr]   |                                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirAction`
[INFO] [stderr]  --> src/lib.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | use managers::dir_manager::{DirAction, DirManager};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/lib.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut file = self.read_locker();
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ivAgain`
[INFO] [stderr]   --> src/locker.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let ivAgain = Locker::hex_to_bytes(&iv0x);
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_ivAgain`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut file = self.read_locker();
[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: field is never used: `iv0x`
[INFO] [stderr]   --> src/locker.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     iv0x: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key0x`
[INFO] [stderr]   --> src/locker.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     key0x: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `iv_path`
[INFO] [stderr]   --> src/locker.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     iv_path: &'l str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key_path`
[INFO] [stderr]   --> src/locker.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     key_path: &'l str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_u8`
[INFO] [stderr]   --> src/locker.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn from_u8(iv: [u8; 16], key: [u8; 16]) -> Locker<'l> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_hex`
[INFO] [stderr]   --> src/locker.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn from_hex(iv0x: String, key0x: String) -> Locker<'l> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `DirAction`
[INFO] [stderr]   --> src/managers/dir_manager.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum DirAction {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_dir`
[INFO] [stderr]   --> src/managers/dir_manager.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn read_dir(dir: &str) -> io::Result<Vec<String>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_values`
[INFO] [stderr]    --> src/managers/file_manager.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn key_values(map: &Mapping, string: &str) -> Value {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `directories`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     directories: DirManager,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find`
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn find(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ivAgain` should have a snake case name
[INFO] [stderr]   --> src/locker.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let ivAgain = Locker::hex_to_bytes(&iv0x);
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `iv_again`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/lib.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut file = self.read_locker();
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ivAgain`
[INFO] [stderr]   --> src/locker.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let ivAgain = Locker::hex_to_bytes(&iv0x);
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_ivAgain`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut file = self.read_locker();
[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: field is never used: `iv0x`
[INFO] [stderr]   --> src/locker.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     iv0x: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key0x`
[INFO] [stderr]   --> src/locker.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     key0x: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `iv_path`
[INFO] [stderr]   --> src/locker.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     iv_path: &'l str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key_path`
[INFO] [stderr]   --> src/locker.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     key_path: &'l str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_u8`
[INFO] [stderr]   --> src/locker.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn from_u8(iv: [u8; 16], key: [u8; 16]) -> Locker<'l> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_hex`
[INFO] [stderr]   --> src/locker.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn from_hex(iv0x: String, key0x: String) -> Locker<'l> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `DirAction`
[INFO] [stderr]   --> src/managers/dir_manager.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum DirAction {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_dir`
[INFO] [stderr]   --> src/managers/dir_manager.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn read_dir(dir: &str) -> io::Result<Vec<String>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_values`
[INFO] [stderr]    --> src/managers/file_manager.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn key_values(map: &Mapping, string: &str) -> Value {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `directories`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     directories: DirManager,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find`
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn find(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ivAgain` should have a snake case name
[INFO] [stderr]   --> src/locker.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let ivAgain = Locker::hex_to_bytes(&iv0x);
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `iv_again`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.29s
[INFO] running `"docker" "inspect" "2c8680f83758f4fa32c46103046c191dd6e7ff7ae7d561928c2d49275e53741f"`
[INFO] running `"docker" "rm" "-f" "2c8680f83758f4fa32c46103046c191dd6e7ff7ae7d561928c2d49275e53741f"`
[INFO] [stdout] 2c8680f83758f4fa32c46103046c191dd6e7ff7ae7d561928c2d49275e53741f