[INFO] cloning repository https://github.com/momona06/oj
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/momona06/oj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmomona06%2Foj", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmomona06%2Foj'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bfb437cc126a2fa865cc760166f05f7b650c51e
[INFO] checking momona06/oj against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmomona06%2Foj" "/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/momona06/oj
[INFO] finished tweaking git repo https://github.com/momona06/oj
[INFO] tweaked toml for git repo https://github.com/momona06/oj written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/momona06/oj 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/momona06/oj 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]  Downloading crates ...
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded ctor v0.1.23
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[INFO] [stderr]   Downloaded reqwest v0.11.11
[INFO] [stderr]   Downloaded actix-web v4.1.0
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[INFO] [stderr]   Downloaded clap v3.2.19
[INFO] [stderr]   Downloaded zstd-sys v2.0.1+zstd.1.5.2
[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] 3a20e33285fc02f2ad73bdad69b739d34fb4af4c211482df926cdc7cec2c004b
[INFO] running `Command { std: "docker" "start" "-a" "3a20e33285fc02f2ad73bdad69b739d34fb4af4c211482df926cdc7cec2c004b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a20e33285fc02f2ad73bdad69b739d34fb4af4c211482df926cdc7cec2c004b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a20e33285fc02f2ad73bdad69b739d34fb4af4c211482df926cdc7cec2c004b", kill_on_drop: false }`
[INFO] [stdout] 3a20e33285fc02f2ad73bdad69b739d34fb4af4c211482df926cdc7cec2c004b
[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] 5f936fc40f0f69c49586248d4b4101fec8e27b71e7ed4872666e0a1b7b81cf67
[INFO] running `Command { std: "docker" "start" "-a" "5f936fc40f0f69c49586248d4b4101fec8e27b71e7ed4872666e0a1b7b81cf67", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fs::{File, self}, process::Stdio, time::{Duration, Instant}, io::{BufReader, BufRead}};
[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: `serde_derive::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde_derive::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `standard` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     standard,
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Standard`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `strict` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     strict,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Strict`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `spj` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     spj,
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Spj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `dynamic_ranking` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     dynamic_ranking,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DynamicRanking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `latest` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     latest,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Latest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `highest` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     highest,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `Highest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `submission_time` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:289:5
[INFO] [stdout]     |
[INFO] [stdout] 289 |     submission_time,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SubmissionTime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `submission_count` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     submission_count,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SubmissionCount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `user_id` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     user_id,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `UserId`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fs::{File, self}, process::Stdio, time::{Duration, Instant}, io::{BufReader, BufRead}};
[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: `serde_derive::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde_derive::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `standard` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     standard,
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Standard`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `strict` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     strict,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Strict`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `spj` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     spj,
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Spj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `dynamic_ranking` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     dynamic_ranking,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DynamicRanking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `latest` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     latest,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Latest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `highest` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     highest,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `Highest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `submission_time` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:289:5
[INFO] [stdout]     |
[INFO] [stdout] 289 |     submission_time,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SubmissionTime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `submission_count` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     submission_count,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SubmissionCount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `user_id` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     user_id,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `UserId`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use clap::*;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `timec_str` is never read
[INFO] [stdout]   --> src/main.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn time_reprint(timec: DateTime<Utc>, mut timec_str: String, timec_nano: u32) -> 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: unused variable: `test_cmd`
[INFO] [stdout]    --> src/main.rs:575:33
[INFO] [stdout]     |
[INFO] [stdout] 575 | ...                   let test_cmd = Command::new(&exe_file)
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_cmd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score_timecase` is never read
[INFO] [stdout]     --> src/main.rs:2207:74
[INFO] [stdout]      |
[INFO] [stdout] 2207 | ...                   let mut score_timecase = 0.0;
[INFO] [stdout]      |                                                ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score_timecase` is never read
[INFO] [stdout]     --> src/main.rs:2304:78
[INFO] [stdout]      |
[INFO] [stdout] 2304 | ...                   let mut score_timecase = 0.0;
[INFO] [stdout]      |                                                ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score_timecase` is never read
[INFO] [stdout]     --> src/main.rs:2420:66
[INFO] [stdout]      |
[INFO] [stdout] 2420 | ...                   let mut score_timecase = 0.0;
[INFO] [stdout]      |                                                ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2532:41
[INFO] [stdout]      |
[INFO] [stdout] 2532 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2600:41
[INFO] [stdout]      |
[INFO] [stdout] 2600 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `markd` is never read
[INFO] [stdout]     --> src/main.rs:2650:47
[INFO] [stdout]      |
[INFO] [stdout] 2650 |                         let mut markd: bool = false;
[INFO] [stdout]      |                                               ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]     --> src/main.rs:2718:35
[INFO] [stdout]      |
[INFO] [stdout] 2718 |                     let mut cid = 0;
[INFO] [stdout]      |                                   ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2720:41
[INFO] [stdout]      |
[INFO] [stdout] 2720 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]     --> src/main.rs:2757:35
[INFO] [stdout]      |
[INFO] [stdout] 2757 |                     let mut cid = 0;
[INFO] [stdout]      |                                   ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2759:41
[INFO] [stdout]      |
[INFO] [stdout] 2759 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2985:41
[INFO] [stdout]      |
[INFO] [stdout] 2985 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:3055:41
[INFO] [stdout]      |
[INFO] [stdout] 3055 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `markd` is never read
[INFO] [stdout]     --> src/main.rs:3104:47
[INFO] [stdout]      |
[INFO] [stdout] 3104 |                         let mut markd: bool = false;
[INFO] [stdout]      |                                               ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]     --> src/main.rs:3173:35
[INFO] [stdout]      |
[INFO] [stdout] 3173 |                     let mut cid = 0;
[INFO] [stdout]      |                                   ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:3175:41
[INFO] [stdout]      |
[INFO] [stdout] 3175 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]     --> src/main.rs:3208:35
[INFO] [stdout]      |
[INFO] [stdout] 3208 |                     let mut cid = 0;
[INFO] [stdout]      |                                   ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:3210:41
[INFO] [stdout]      |
[INFO] [stdout] 3210 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:481:21
[INFO] [stdout]     |
[INFO] [stdout] 481 |                     std::fs::create_dir("./TMPDIR");
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 481 |                     let _ = std::fs::create_dir("./TMPDIR");
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:488:21
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     File::create(&source_file);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     let _ = File::create(&source_file);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:489:21
[INFO] [stdout]     |
[INFO] [stdout] 489 |                     File::create(&exe_file);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 489 |                     let _ = File::create(&exe_file);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:490:21
[INFO] [stdout]     |
[INFO] [stdout] 490 |                     fs::write(&source_file,source_code);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 490 |                     let _ = fs::write(&source_file,source_code);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1403:28
[INFO] [stdout]      |
[INFO] [stdout] 1403 | ...                   std::fs::create_dir("./TMPDIR");
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1403 |                            let _ = std::fs::create_dir("./TMPDIR");
[INFO] [stdout]      |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1410:28
[INFO] [stdout]      |
[INFO] [stdout] 1410 | ...                   File::create(&source_file);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1410 |                            let _ = File::create(&source_file);
[INFO] [stdout]      |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1411:28
[INFO] [stdout]      |
[INFO] [stdout] 1411 | ...                   File::create(&exe_file);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1411 |                            let _ = File::create(&exe_file);
[INFO] [stdout]      |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1412:28
[INFO] [stdout]      |
[INFO] [stdout] 1412 | ...                   fs::write(&source_file,source_code);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1412 |                            let _ = fs::write(&source_file,source_code);
[INFO] [stdout]      |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1774:29
[INFO] [stdout]      |
[INFO] [stdout] 1774 | ...                   std::fs::remove_dir_all("./TMPDIR");
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1774 |                             let _ = std::fs::remove_dir_all("./TMPDIR");
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1890:13
[INFO] [stdout]      |
[INFO] [stdout] 1890 |             fs::remove_file("./datafile");
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1890 |             let _ = fs::remove_file("./datafile");
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1893:13
[INFO] [stdout]      |
[INFO] [stdout] 1893 |             serde_json::to_writer(&mut file, &data_time);          
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1893 |             let _ = serde_json::to_writer(&mut file, &data_time);          
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1935:9
[INFO] [stdout]      |
[INFO] [stdout] 1935 |         fs::remove_file("./datafile");
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1935 |         let _ = fs::remove_file("./datafile");
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1938:9
[INFO] [stdout]      |
[INFO] [stdout] 1938 |         serde_json::to_writer(&mut file, &data_time);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1938 |         let _ = serde_json::to_writer(&mut file, &data_time);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `contestId` should have a snake case name
[INFO] [stdout]     --> src/main.rs:2115:25
[INFO] [stdout]      |
[INFO] [stdout] 2115 | async fn get_contest_id(contestId: web::Path<String>) -> impl Responder {
[INFO] [stdout]      |                         ^^^^^^^^^ help: convert the identifier to snake case: `contest_id`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `contestId` should have a snake case name
[INFO] [stdout]     --> src/main.rs:2150:31
[INFO] [stdout]      |
[INFO] [stdout] 2150 | async fn get_contest_ranklist(contestId: web::Path<String>, web::Query(info):web::Query<ContestRank>, config: web::Data<Config>) -...
[INFO] [stdout]      |                               ^^^^^^^^^ help: convert the identifier to snake case: `contest_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:3343:17
[INFO] [stdout]      |
[INFO] [stdout] 3343 |                 fs::remove_file("./datafile");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 3343 |                 let _ = fs::remove_file("./datafile");
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:3344:17
[INFO] [stdout]      |
[INFO] [stdout] 3344 |                 File::create("./datafile");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 3344 |                 let _ = File::create("./datafile");
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:3393:13
[INFO] [stdout]      |
[INFO] [stdout] 3393 |             File::create("./datafile");
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 3393 |             let _ = File::create("./datafile");
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:3407:13
[INFO] [stdout]      |
[INFO] [stdout] 3407 |             serde_json::to_writer(&mut file, &data_time);          
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 3407 |             let _ = serde_json::to_writer(&mut file, &data_time);          
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use clap::*;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `timec_str` is never read
[INFO] [stdout]   --> src/main.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn time_reprint(timec: DateTime<Utc>, mut timec_str: String, timec_nano: u32) -> 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: unused variable: `test_cmd`
[INFO] [stdout]    --> src/main.rs:575:33
[INFO] [stdout]     |
[INFO] [stdout] 575 | ...                   let test_cmd = Command::new(&exe_file)
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_cmd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score_timecase` is never read
[INFO] [stdout]     --> src/main.rs:2207:74
[INFO] [stdout]      |
[INFO] [stdout] 2207 | ...                   let mut score_timecase = 0.0;
[INFO] [stdout]      |                                                ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score_timecase` is never read
[INFO] [stdout]     --> src/main.rs:2304:78
[INFO] [stdout]      |
[INFO] [stdout] 2304 | ...                   let mut score_timecase = 0.0;
[INFO] [stdout]      |                                                ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score_timecase` is never read
[INFO] [stdout]     --> src/main.rs:2420:66
[INFO] [stdout]      |
[INFO] [stdout] 2420 | ...                   let mut score_timecase = 0.0;
[INFO] [stdout]      |                                                ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2532:41
[INFO] [stdout]      |
[INFO] [stdout] 2532 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2600:41
[INFO] [stdout]      |
[INFO] [stdout] 2600 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `markd` is never read
[INFO] [stdout]     --> src/main.rs:2650:47
[INFO] [stdout]      |
[INFO] [stdout] 2650 |                         let mut markd: bool = false;
[INFO] [stdout]      |                                               ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]     --> src/main.rs:2718:35
[INFO] [stdout]      |
[INFO] [stdout] 2718 |                     let mut cid = 0;
[INFO] [stdout]      |                                   ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2720:41
[INFO] [stdout]      |
[INFO] [stdout] 2720 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]     --> src/main.rs:2757:35
[INFO] [stdout]      |
[INFO] [stdout] 2757 |                     let mut cid = 0;
[INFO] [stdout]      |                                   ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2759:41
[INFO] [stdout]      |
[INFO] [stdout] 2759 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:2985:41
[INFO] [stdout]      |
[INFO] [stdout] 2985 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:3055:41
[INFO] [stdout]      |
[INFO] [stdout] 3055 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `markd` is never read
[INFO] [stdout]     --> src/main.rs:3104:47
[INFO] [stdout]      |
[INFO] [stdout] 3104 |                         let mut markd: bool = false;
[INFO] [stdout]      |                                               ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]     --> src/main.rs:3173:35
[INFO] [stdout]      |
[INFO] [stdout] 3173 |                     let mut cid = 0;
[INFO] [stdout]      |                                   ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:3175:41
[INFO] [stdout]      |
[INFO] [stdout] 3175 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cid` is never read
[INFO] [stdout]     --> src/main.rs:3208:35
[INFO] [stdout]      |
[INFO] [stdout] 3208 |                     let mut cid = 0;
[INFO] [stdout]      |                                   ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_score` is never read
[INFO] [stdout]     --> src/main.rs:3210:41
[INFO] [stdout]      |
[INFO] [stdout] 3210 |                     let mut max_score = 0.0;
[INFO] [stdout]      |                                         ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:481:21
[INFO] [stdout]     |
[INFO] [stdout] 481 |                     std::fs::create_dir("./TMPDIR");
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 481 |                     let _ = std::fs::create_dir("./TMPDIR");
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:488:21
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     File::create(&source_file);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     let _ = File::create(&source_file);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:489:21
[INFO] [stdout]     |
[INFO] [stdout] 489 |                     File::create(&exe_file);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 489 |                     let _ = File::create(&exe_file);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:490:21
[INFO] [stdout]     |
[INFO] [stdout] 490 |                     fs::write(&source_file,source_code);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 490 |                     let _ = fs::write(&source_file,source_code);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1403:28
[INFO] [stdout]      |
[INFO] [stdout] 1403 | ...                   std::fs::create_dir("./TMPDIR");
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1403 |                            let _ = std::fs::create_dir("./TMPDIR");
[INFO] [stdout]      |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1410:28
[INFO] [stdout]      |
[INFO] [stdout] 1410 | ...                   File::create(&source_file);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1410 |                            let _ = File::create(&source_file);
[INFO] [stdout]      |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1411:28
[INFO] [stdout]      |
[INFO] [stdout] 1411 | ...                   File::create(&exe_file);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1411 |                            let _ = File::create(&exe_file);
[INFO] [stdout]      |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1412:28
[INFO] [stdout]      |
[INFO] [stdout] 1412 | ...                   fs::write(&source_file,source_code);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1412 |                            let _ = fs::write(&source_file,source_code);
[INFO] [stdout]      |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1774:29
[INFO] [stdout]      |
[INFO] [stdout] 1774 | ...                   std::fs::remove_dir_all("./TMPDIR");
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1774 |                             let _ = std::fs::remove_dir_all("./TMPDIR");
[INFO] [stdout]      |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1890:13
[INFO] [stdout]      |
[INFO] [stdout] 1890 |             fs::remove_file("./datafile");
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1890 |             let _ = fs::remove_file("./datafile");
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1893:13
[INFO] [stdout]      |
[INFO] [stdout] 1893 |             serde_json::to_writer(&mut file, &data_time);          
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1893 |             let _ = serde_json::to_writer(&mut file, &data_time);          
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1935:9
[INFO] [stdout]      |
[INFO] [stdout] 1935 |         fs::remove_file("./datafile");
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1935 |         let _ = fs::remove_file("./datafile");
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1938:9
[INFO] [stdout]      |
[INFO] [stdout] 1938 |         serde_json::to_writer(&mut file, &data_time);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1938 |         let _ = serde_json::to_writer(&mut file, &data_time);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `contestId` should have a snake case name
[INFO] [stdout]     --> src/main.rs:2115:25
[INFO] [stdout]      |
[INFO] [stdout] 2115 | async fn get_contest_id(contestId: web::Path<String>) -> impl Responder {
[INFO] [stdout]      |                         ^^^^^^^^^ help: convert the identifier to snake case: `contest_id`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `contestId` should have a snake case name
[INFO] [stdout]     --> src/main.rs:2150:31
[INFO] [stdout]      |
[INFO] [stdout] 2150 | async fn get_contest_ranklist(contestId: web::Path<String>, web::Query(info):web::Query<ContestRank>, config: web::Data<Config>) -...
[INFO] [stdout]      |                               ^^^^^^^^^ help: convert the identifier to snake case: `contest_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:3343:17
[INFO] [stdout]      |
[INFO] [stdout] 3343 |                 fs::remove_file("./datafile");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 3343 |                 let _ = fs::remove_file("./datafile");
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:3344:17
[INFO] [stdout]      |
[INFO] [stdout] 3344 |                 File::create("./datafile");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 3344 |                 let _ = File::create("./datafile");
[INFO] [stdout]      |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:3393:13
[INFO] [stdout]      |
[INFO] [stdout] 3393 |             File::create("./datafile");
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 3393 |             let _ = File::create("./datafile");
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:3407:13
[INFO] [stdout]      |
[INFO] [stdout] 3407 |             serde_json::to_writer(&mut file, &data_time);          
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 3407 |             let _ = serde_json::to_writer(&mut file, &data_time);          
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.41
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "5f936fc40f0f69c49586248d4b4101fec8e27b71e7ed4872666e0a1b7b81cf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f936fc40f0f69c49586248d4b4101fec8e27b71e7ed4872666e0a1b7b81cf67", kill_on_drop: false }`
[INFO] [stdout] 5f936fc40f0f69c49586248d4b4101fec8e27b71e7ed4872666e0a1b7b81cf67
