[INFO] cloning repository https://github.com/liuxukun2000/JCoder_language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liuxukun2000/JCoder_language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuxukun2000%2FJCoder_language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuxukun2000%2FJCoder_language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a5de39bc16b23b196b8cffc51d50bc084739c25
[INFO] checking liuxukun2000/JCoder_language against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuxukun2000%2FJCoder_language" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/liuxukun2000/JCoder_language
[INFO] finished tweaking git repo https://github.com/liuxukun2000/JCoder_language
[INFO] tweaked toml for git repo https://github.com/liuxukun2000/JCoder_language written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/liuxukun2000/JCoder_language on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/liuxukun2000/JCoder_language 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random-string v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e503593da653d692419f69b5b3636b24f23de258c99d8d66746e8de49fd5a464
[INFO] running `Command { std: "docker" "start" "-a" "e503593da653d692419f69b5b3636b24f23de258c99d8d66746e8de49fd5a464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e503593da653d692419f69b5b3636b24f23de258c99d8d66746e8de49fd5a464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e503593da653d692419f69b5b3636b24f23de258c99d8d66746e8de49fd5a464", kill_on_drop: false }`
[INFO] [stdout] e503593da653d692419f69b5b3636b24f23de258c99d8d66746e8de49fd5a464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd05ebcc1f3d23f8214cfed304b50d2cba5260ffc77655c5650b49a566ee091a
[INFO] running `Command { std: "docker" "start" "-a" "cd05ebcc1f3d23f8214cfed304b50d2cba5260ffc77655c5650b49a566ee091a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking random-string v1.0.0
[INFO] [stderr]     Checking nom8 v0.2.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking errno v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde_spanned v0.6.1
[INFO] [stderr]     Checking toml_datetime v0.6.1
[INFO] [stderr]     Checking toml_edit v0.19.3
[INFO] [stderr]     Checking toml v0.7.2
[INFO] [stderr]     Checking language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::cell::RefCell`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::cell::RefCell;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Changeset` and `Difference`
[INFO] [stdout]   --> src/main.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use difference::{Changeset, Difference};
[INFO] [stdout]    |                  ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `copy_items` and `dir`
[INFO] [stdout]   --> src/main.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use fs_extra::{copy_items, dir};
[INFO] [stdout]    |                ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `compare_string` and `remove_end_of_text_enters`
[INFO] [stdout]   --> src/main.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::compare::compare::{compare_string, CompareConfig, remove_end_of_text_enters, compare_file};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::nsjail_judger::result::JudgerResult`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::nsjail_judger::result::JudgerResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/dir_utils/tmpfs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::prelude::PermissionsExt`
[INFO] [stdout]  --> src/dir_utils/tmpfs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::os::unix::prelude::PermissionsExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/dir_utils/tmpfs.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/dir_utils/tmpfs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Difference`
[INFO] [stdout]  --> src/compare/compare.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use difference::{Changeset, Difference};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/compare/results.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/nsjail_judger/judger.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `online`
[INFO] [stdout]    --> src/nsjail_judger/judger.rs:102:11
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[cfg(online)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(online)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(online)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::cell::RefCell`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::cell::RefCell;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Changeset` and `Difference`
[INFO] [stdout]   --> src/main.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use difference::{Changeset, Difference};
[INFO] [stdout]    |                  ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `copy_items` and `dir`
[INFO] [stdout]   --> src/main.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use fs_extra::{copy_items, dir};
[INFO] [stdout]    |                ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `compare_string` and `remove_end_of_text_enters`
[INFO] [stdout]   --> src/main.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::compare::compare::{compare_string, CompareConfig, remove_end_of_text_enters, compare_file};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::nsjail_judger::result::JudgerResult`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::nsjail_judger::result::JudgerResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/dir_utils/tmpfs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::prelude::PermissionsExt`
[INFO] [stdout]  --> src/dir_utils/tmpfs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::os::unix::prelude::PermissionsExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/dir_utils/tmpfs.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/dir_utils/tmpfs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Difference`
[INFO] [stdout]  --> src/compare/compare.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use difference::{Changeset, Difference};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/compare/results.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/nsjail_judger/judger.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `online`
[INFO] [stdout]    --> src/nsjail_judger/judger.rs:102:11
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[cfg(online)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(online)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(online)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/compare/compare.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut ans = std::fs::read_to_string(ans_path);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/compare/compare.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut output = std::fs::read_to_string(output_path);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rep_path` is never read
[INFO] [stdout]   --> src/nsjail_judger/judger.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut rep_path = "".to_string();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `out_path` is never read
[INFO] [stdout]   --> src/nsjail_judger/judger.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut out_path = "".to_string();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nsjail_judger/judger.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let mut task = &mut self.config.task_config[cursor as usize];
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:53:13
[INFO] [stdout]     |
[INFO] [stdout]  53 |         let mut $name = Arc::new(Mutex::new(Tmpfs::from(&$args)));
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 197 |     Eval!(use tmpfs "/tmp/test1", as x);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `Eval` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:66:13
[INFO] [stdout]     |
[INFO] [stdout]  66 |         let mut $name = Arc::new(Mutex::new(Local::from(&$args)));
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 198 |     Eval!(use localfs "/home/satan/OJ/JCoder_language/test", as y);
[INFO] [stdout]     |     -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `Eval` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut $name = $judger.run_all();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 201 |     Eval!(run all tasks in jail as result);
[INFO] [stdout]     |     -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `Eval` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut $name = compare_file(&$ans, &$output, &CompareConfig::default());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 202 |     Eval!(compare file "test/1.txt".to_string(), to result[1].output_path, as cmp);
[INFO] [stdout]     |     ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `Eval` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ResultTrait` is never used
[INFO] [stdout]   --> src/compare/traits.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait ResultTrait {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AC`, `WA`, `TLE`, `MLE`, `OLE`, and `CLE` are never constructed
[INFO] [stdout]   --> src/compare/results.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum BaseStatus {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout]  7 |     AC,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  8 |     WA,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  9 |     TLE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     MLE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     OLE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     CLE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BaseResult` is never constructed
[INFO] [stdout]   --> src/compare/results.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BaseResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clone_changeset` is never used
[INFO] [stdout]   --> src/compare/results.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn clone_changeset(changeset: &Changeset) -> Changeset {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> src/compare/results.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl BaseResult {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 41 |     pub fn update(&mut self, changeset: &Changeset) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_dir` and `output_dir` are never read
[INFO] [stdout]   --> src/nsjail_judger/judger.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct NsjailJudger {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub user_dir: i32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 31 |     pub output_dir: i32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `memory`, `time`, and `report_path` are never read
[INFO] [stdout]  --> src/nsjail_judger/result.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct JudgerResult {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 5 |     pub memory: i32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 6 |     pub time: f32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub report_path: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `JudgerResult` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/compare/compare.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut ans = std::fs::read_to_string(ans_path);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/compare/compare.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut output = std::fs::read_to_string(output_path);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rep_path` is never read
[INFO] [stdout]   --> src/nsjail_judger/judger.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut rep_path = "".to_string();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `out_path` is never read
[INFO] [stdout]   --> src/nsjail_judger/judger.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut out_path = "".to_string();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nsjail_judger/judger.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let mut task = &mut self.config.task_config[cursor as usize];
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:53:13
[INFO] [stdout]     |
[INFO] [stdout]  53 |         let mut $name = Arc::new(Mutex::new(Tmpfs::from(&$args)));
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 197 |     Eval!(use tmpfs "/tmp/test1", as x);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `Eval` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:66:13
[INFO] [stdout]     |
[INFO] [stdout]  66 |         let mut $name = Arc::new(Mutex::new(Local::from(&$args)));
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 198 |     Eval!(use localfs "/home/satan/OJ/JCoder_language/test", as y);
[INFO] [stdout]     |     -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `Eval` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut $name = $judger.run_all();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 201 |     Eval!(run all tasks in jail as result);
[INFO] [stdout]     |     -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `Eval` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut $name = compare_file(&$ans, &$output, &CompareConfig::default());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 202 |     Eval!(compare file "test/1.txt".to_string(), to result[1].output_path, as cmp);
[INFO] [stdout]     |     ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `Eval` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ResultTrait` is never used
[INFO] [stdout]   --> src/compare/traits.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait ResultTrait {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AC`, `WA`, `TLE`, `MLE`, `OLE`, and `CLE` are never constructed
[INFO] [stdout]   --> src/compare/results.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum BaseStatus {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout]  7 |     AC,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  8 |     WA,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  9 |     TLE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     MLE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     OLE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     CLE,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BaseResult` is never constructed
[INFO] [stdout]   --> src/compare/results.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BaseResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clone_changeset` is never used
[INFO] [stdout]   --> src/compare/results.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn clone_changeset(changeset: &Changeset) -> Changeset {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> src/compare/results.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl BaseResult {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 41 |     pub fn update(&mut self, changeset: &Changeset) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_dir` and `output_dir` are never read
[INFO] [stdout]   --> src/nsjail_judger/judger.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct NsjailJudger {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub user_dir: i32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 31 |     pub output_dir: i32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `memory`, `time`, and `report_path` are never read
[INFO] [stdout]  --> src/nsjail_judger/result.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct JudgerResult {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 5 |     pub memory: i32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 6 |     pub time: f32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub report_path: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `JudgerResult` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.54s
[INFO] running `Command { std: "docker" "inspect" "cd05ebcc1f3d23f8214cfed304b50d2cba5260ffc77655c5650b49a566ee091a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd05ebcc1f3d23f8214cfed304b50d2cba5260ffc77655c5650b49a566ee091a", kill_on_drop: false }`
[INFO] [stdout] cd05ebcc1f3d23f8214cfed304b50d2cba5260ffc77655c5650b49a566ee091a
