Dec 19 08:51:34.698 INFO checking sidky/comical-backend against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:51:34.698 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/sidky/comical-backend:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:51:34.868 INFO [stdout] 633099de13a91afd6cae66c6517e5d39f32a04c70c09f72f140499614b5b64c9
Dec 19 08:51:34.874 INFO running `"docker" "start" "-a" "633099de13a91afd6cae66c6517e5d39f32a04c70c09f72f140499614b5b64c9"`
Dec 19 08:51:35.637 INFO [stderr]    Compiling lazy_static v1.0.0
Dec 19 08:51:35.639 INFO [stderr]    Compiling build_const v0.2.0
Dec 19 08:51:35.644 INFO [stderr]     Checking itertools v0.4.19
Dec 19 08:51:35.644 INFO [stderr]    Compiling crossbeam-utils v0.2.2
Dec 19 08:51:35.644 INFO [stderr]    Compiling num_cpus v1.8.0
Dec 19 08:51:35.644 INFO [stderr]     Checking encoding_rs v0.7.2
Dec 19 08:51:35.644 INFO [stderr]     Checking base64 v0.5.2
Dec 19 08:51:35.647 INFO [stderr]     Checking unicode-bidi v0.2.6
Dec 19 08:51:36.077 INFO [stderr]     Checking base64 v0.6.0
Dec 19 08:51:37.062 INFO [stderr]     Checking base64 v0.9.0
Dec 19 08:51:37.066 INFO [stderr]     Checking serde_json v1.0.13
Dec 19 08:51:37.067 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 19 08:51:37.077 INFO [stderr]    Compiling syn v0.11.11
Dec 19 08:51:37.096 INFO [stderr]    Compiling crc v1.7.0
Dec 19 08:51:37.124 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 19 08:51:37.881 INFO [stderr]     Checking tokio-io v0.1.6
Dec 19 08:51:38.076 INFO [stderr]     Checking uuid v0.2.3
Dec 19 08:51:38.106 INFO [stderr]     Checking uuid v0.5.1
Dec 19 08:51:38.655 INFO [stderr]     Checking mime v0.2.6
Dec 19 08:51:38.969 INFO [stderr]     Checking openssl-sys v0.9.28
Dec 19 08:51:39.316 INFO [stderr]     Checking backtrace-sys v0.1.16
Dec 19 08:51:39.414 INFO [stderr]     Checking num v0.1.42
Dec 19 08:51:39.454 INFO [stderr]    Compiling phf_shared v0.7.21
Dec 19 08:51:39.520 INFO [stderr]     Checking url v0.5.10
Dec 19 08:51:39.546 INFO [stderr]     Checking tokio-threadpool v0.1.2
Dec 19 08:51:39.669 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 19 08:51:39.730 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 19 08:51:39.845 INFO [stderr]     Checking hyper v0.10.13
Dec 19 08:51:40.372 INFO [stderr]     Checking dotenv v0.9.0
Dec 19 08:51:40.513 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 19 08:51:40.701 INFO [stderr]     Checking backtrace v0.3.5
Dec 19 08:51:40.816 INFO [stderr]     Checking openssl v0.9.24
Dec 19 08:51:40.892 INFO [stderr]     Checking chrono v0.2.25
Dec 19 08:51:40.939 INFO [stderr]     Checking phf v0.7.21
Dec 19 08:51:41.051 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 19 08:51:44.580 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 19 08:51:44.872 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 19 08:51:45.088 INFO [stderr]     Checking libflate v0.1.14
Dec 19 08:51:45.344 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 19 08:51:45.436 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 08:51:45.898 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 19 08:51:45.932 INFO [stderr]     Checking tokio v0.1.5
Dec 19 08:51:46.056 INFO [stderr]    Compiling diesel_derives v1.1.0
Dec 19 08:51:47.328 INFO [stderr]    Compiling mime_guess v1.8.4
Dec 19 08:51:48.086 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.4
Dec 19 08:51:51.041 INFO [stderr]     Checking pem v0.4.1
Dec 19 08:51:52.900 INFO [stderr]     Checking tokio-core v0.1.16
Dec 19 08:51:59.488 INFO [stderr]     Checking native-tls v0.1.5
Dec 19 08:51:59.548 INFO [stderr]    Compiling rayon v0.7.1
Dec 19 08:52:01.036 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 08:52:01.284 INFO [stderr]     Checking diesel v1.1.1
Dec 19 08:52:01.356 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 19 08:52:03.772 INFO [stderr]     Checking iron v0.6.0
Dec 19 08:52:05.970 INFO [stderr]     Checking router v0.6.0
Dec 19 08:52:06.617 INFO [stderr]    Compiling ring v0.11.0
Dec 19 08:52:07.921 INFO [stderr]     Checking hyper v0.11.25
Dec 19 08:52:19.756 INFO [stderr]     Checking webpki v0.14.0
Dec 19 08:52:21.222 INFO [stderr]     Checking rustls v0.9.0
Dec 19 08:52:21.222 INFO [stderr]     Checking webpki-roots v0.11.0
Dec 19 08:52:22.352 INFO [stderr]     Checking hyper-tls v0.1.3
Dec 19 08:52:23.006 INFO [stderr]     Checking reqwest v0.8.5
Dec 19 08:52:26.487 INFO [stderr]     Checking hyper-rustls v0.6.1
Dec 19 08:52:26.996 INFO [stderr]     Checking yup-oauth2 v1.0.7
Dec 19 08:52:29.005 INFO [stderr]     Checking comical-backend v0.1.0 (/opt/crater/workdir)
Dec 19 08:52:29.863 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 08:52:29.864 INFO [stderr]  --> src/main.rs:1:1
Dec 19 08:52:29.864 INFO [stderr]   |
Dec 19 08:52:29.864 INFO [stderr] 1 | #[macro_use]
Dec 19 08:52:29.864 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 08:52:29.865 INFO [stderr]   |
Dec 19 08:52:29.865 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:52:29.865 INFO [stderr] 
Dec 19 08:52:29.865 INFO [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
Dec 19 08:52:29.866 INFO [stderr]  --> src/firebase/auth.rs:7:17
Dec 19 08:52:29.866 INFO [stderr]   |
Dec 19 08:52:29.866 INFO [stderr] 7 | use std::time::{SystemTime, UNIX_EPOCH};
Dec 19 08:52:29.866 INFO [stderr]   |                 ^^^^^^^^^^  ^^^^^^^^^^
Dec 19 08:52:29.866 INFO [stderr] 
Dec 19 08:52:29.867 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 19 08:52:29.867 INFO [stderr]  --> src/firebase/auth.rs:9:5
Dec 19 08:52:29.867 INFO [stderr]   |
Dec 19 08:52:29.867 INFO [stderr] 9 | use std::sync::Arc;
Dec 19 08:52:29.868 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 08:52:29.868 INFO [stderr] 
Dec 19 08:52:29.868 INFO [stderr] warning: unused import: `Write`
Dec 19 08:52:29.868 INFO [stderr]  --> src/firebase/db.rs:1:21
Dec 19 08:52:29.869 INFO [stderr]   |
Dec 19 08:52:29.869 INFO [stderr] 1 | use std::io::{self, Write};
Dec 19 08:52:29.869 INFO [stderr]   |                     ^^^^^
Dec 19 08:52:29.869 INFO [stderr] 
Dec 19 08:52:29.870 INFO [stderr] warning: unused import: `std::convert::From`
Dec 19 08:52:29.870 INFO [stderr]  --> src/firebase/db.rs:3:5
Dec 19 08:52:29.870 INFO [stderr]   |
Dec 19 08:52:29.870 INFO [stderr] 3 | use std::convert::From;
Dec 19 08:52:29.871 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 08:52:29.871 INFO [stderr] 
Dec 19 08:52:29.871 INFO [stderr] warning: unused import: `Request`
Dec 19 08:52:29.871 INFO [stderr]  --> src/firebase/db.rs:9:40
Dec 19 08:52:29.871 INFO [stderr]   |
Dec 19 08:52:29.872 INFO [stderr] 9 | use reqwest::{Client, Response, Error, Request};
Dec 19 08:52:29.872 INFO [stderr]   |                                        ^^^^^^^
Dec 19 08:52:29.872 INFO [stderr] 
Dec 19 08:52:29.872 INFO [stderr] warning: unused import: `firebase::auth::*`
Dec 19 08:52:29.872 INFO [stderr]   --> src/main.rs:30:5
Dec 19 08:52:29.872 INFO [stderr]    |
Dec 19 08:52:29.872 INFO [stderr] 30 | use firebase::auth::*;
Dec 19 08:52:29.872 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 08:52:29.872 INFO [stderr] 
Dec 19 08:52:30.012 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 08:52:30.012 INFO [stderr]  --> src/main.rs:1:1
Dec 19 08:52:30.012 INFO [stderr]   |
Dec 19 08:52:30.012 INFO [stderr] 1 | #[macro_use]
Dec 19 08:52:30.012 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 08:52:30.012 INFO [stderr]   |
Dec 19 08:52:30.012 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:52:30.012 INFO [stderr] 
Dec 19 08:52:30.012 INFO [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
Dec 19 08:52:30.012 INFO [stderr]  --> src/firebase/auth.rs:7:17
Dec 19 08:52:30.012 INFO [stderr]   |
Dec 19 08:52:30.012 INFO [stderr] 7 | use std::time::{SystemTime, UNIX_EPOCH};
Dec 19 08:52:30.012 INFO [stderr]   |                 ^^^^^^^^^^  ^^^^^^^^^^
Dec 19 08:52:30.012 INFO [stderr] 
Dec 19 08:52:30.012 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 19 08:52:30.012 INFO [stderr]  --> src/firebase/auth.rs:9:5
Dec 19 08:52:30.012 INFO [stderr]   |
Dec 19 08:52:30.012 INFO [stderr] 9 | use std::sync::Arc;
Dec 19 08:52:30.012 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 08:52:30.012 INFO [stderr] 
Dec 19 08:52:30.020 INFO [stderr] warning: unused import: `Write`
Dec 19 08:52:30.020 INFO [stderr]  --> src/firebase/db.rs:1:21
Dec 19 08:52:30.020 INFO [stderr]   |
Dec 19 08:52:30.020 INFO [stderr] 1 | use std::io::{self, Write};
Dec 19 08:52:30.020 INFO [stderr]   |                     ^^^^^
Dec 19 08:52:30.020 INFO [stderr] 
Dec 19 08:52:30.020 INFO [stderr] warning: unused import: `std::convert::From`
Dec 19 08:52:30.020 INFO [stderr]  --> src/firebase/db.rs:3:5
Dec 19 08:52:30.020 INFO [stderr]   |
Dec 19 08:52:30.020 INFO [stderr] 3 | use std::convert::From;
Dec 19 08:52:30.020 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.020 INFO [stderr] 
Dec 19 08:52:30.020 INFO [stderr] warning: unused import: `Request`
Dec 19 08:52:30.020 INFO [stderr]  --> src/firebase/db.rs:9:40
Dec 19 08:52:30.020 INFO [stderr]   |
Dec 19 08:52:30.020 INFO [stderr] 9 | use reqwest::{Client, Response, Error, Request};
Dec 19 08:52:30.020 INFO [stderr]   |                                        ^^^^^^^
Dec 19 08:52:30.020 INFO [stderr] 
Dec 19 08:52:30.020 INFO [stderr] warning: unused import: `firebase::auth::*`
Dec 19 08:52:30.020 INFO [stderr]   --> src/main.rs:30:5
Dec 19 08:52:30.020 INFO [stderr]    |
Dec 19 08:52:30.020 INFO [stderr] 30 | use firebase::auth::*;
Dec 19 08:52:30.020 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.020 INFO [stderr] 
Dec 19 08:52:30.198 INFO [stderr] warning: unused variable: `core`
Dec 19 08:52:30.198 INFO [stderr]   --> src/firebase/auth.rs:23:17
Dec 19 08:52:30.198 INFO [stderr]    |
Dec 19 08:52:30.198 INFO [stderr] 23 |         let mut core = Core::new().unwrap();
Dec 19 08:52:30.198 INFO [stderr]    |                 ^^^^ help: consider using `_core` instead
Dec 19 08:52:30.198 INFO [stderr]    |
Dec 19 08:52:30.198 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:52:30.198 INFO [stderr] 
Dec 19 08:52:30.212 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:52:30.212 INFO [stderr]   --> src/firebase/auth.rs:23:13
Dec 19 08:52:30.212 INFO [stderr]    |
Dec 19 08:52:30.212 INFO [stderr] 23 |         let mut core = Core::new().unwrap();
Dec 19 08:52:30.212 INFO [stderr]    |             ----^^^^
Dec 19 08:52:30.212 INFO [stderr]    |             |
Dec 19 08:52:30.212 INFO [stderr]    |             help: remove this `mut`
Dec 19 08:52:30.212 INFO [stderr]    |
Dec 19 08:52:30.212 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 08:52:30.213 INFO [stderr] 
Dec 19 08:52:30.215 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:52:30.215 INFO [stderr]   --> src/firebase/auth.rs:57:13
Dec 19 08:52:30.215 INFO [stderr]    |
Dec 19 08:52:30.215 INFO [stderr] 57 |         let mut key = env::var(&self.var_name).unwrap();
Dec 19 08:52:30.215 INFO [stderr]    |             ----^^^
Dec 19 08:52:30.215 INFO [stderr]    |             |
Dec 19 08:52:30.215 INFO [stderr]    |             help: remove this `mut`
Dec 19 08:52:30.215 INFO [stderr] 
Dec 19 08:52:30.238 INFO [stderr] warning: method is never used: `db_ref`
Dec 19 08:52:30.239 INFO [stderr]   --> src/firebase/db.rs:21:5
Dec 19 08:52:30.239 INFO [stderr]    |
Dec 19 08:52:30.239 INFO [stderr] 21 |     fn db_ref(&'a self, path: &'a str) -> FirebaseRef<'a> {
Dec 19 08:52:30.239 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.239 INFO [stderr]    |
Dec 19 08:52:30.239 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:52:30.239 INFO [stderr] 
Dec 19 08:52:30.239 INFO [stderr] warning: method is never used: `new`
Dec 19 08:52:30.239 INFO [stderr]   --> src/firebase/db.rs:26:5
Dec 19 08:52:30.239 INFO [stderr]    |
Dec 19 08:52:30.239 INFO [stderr] 26 |     fn new<'b>(url: &'b str, service_file: &'b str) -> Result<FirebaseDatabase<'b>, io::Error> {
Dec 19 08:52:30.239 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.240 INFO [stderr] 
Dec 19 08:52:30.240 INFO [stderr] warning: method is never used: `new_from_variable`
Dec 19 08:52:30.240 INFO [stderr]   --> src/firebase/db.rs:37:5
Dec 19 08:52:30.240 INFO [stderr]    |
Dec 19 08:52:30.240 INFO [stderr] 37 | /     fn new_from_variable<'b>(url: &'b str, var_name: &'b str) ->
Dec 19 08:52:30.240 INFO [stderr] 38 | |             Result<FirebaseDatabase<'b>, io::Error> {
Dec 19 08:52:30.240 INFO [stderr] 39 | |         let auth = ConfigVarAuth::new(var_name.to_owned());
Dec 19 08:52:30.240 INFO [stderr] 40 | |         let token = RefCell::new(auth.token().expect("Invalid token"));
Dec 19 08:52:30.240 INFO [stderr] ...  |
Dec 19 08:52:30.240 INFO [stderr] 46 | |         })
Dec 19 08:52:30.240 INFO [stderr] 47 | |     }
Dec 19 08:52:30.240 INFO [stderr]    | |_____^
Dec 19 08:52:30.240 INFO [stderr] 
Dec 19 08:52:30.240 INFO [stderr] warning: field is never used: `database`
Dec 19 08:52:30.240 INFO [stderr]   --> src/firebase/db.rs:51:5
Dec 19 08:52:30.240 INFO [stderr]    |
Dec 19 08:52:30.240 INFO [stderr] 51 |     database: &'a FirebaseDatabase<'a>,
Dec 19 08:52:30.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.240 INFO [stderr] 
Dec 19 08:52:30.240 INFO [stderr] warning: field is never used: `current_ref`
Dec 19 08:52:30.240 INFO [stderr]   --> src/firebase/db.rs:52:5
Dec 19 08:52:30.240 INFO [stderr]    |
Dec 19 08:52:30.240 INFO [stderr] 52 |     current_ref: Ref
Dec 19 08:52:30.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 08:52:30.240 INFO [stderr] 
Dec 19 08:52:30.241 INFO [stderr] warning: method is never used: `db_ref`
Dec 19 08:52:30.241 INFO [stderr]   --> src/firebase/db.rs:56:5
Dec 19 08:52:30.241 INFO [stderr]    |
Dec 19 08:52:30.241 INFO [stderr] 56 |     fn db_ref(&self, path: &str) -> Self {
Dec 19 08:52:30.241 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.241 INFO [stderr] 
Dec 19 08:52:30.241 INFO [stderr] warning: method is never used: `once`
Dec 19 08:52:30.241 INFO [stderr]   --> src/firebase/db.rs:60:5
Dec 19 08:52:30.241 INFO [stderr]    |
Dec 19 08:52:30.241 INFO [stderr] 60 |     fn once(&self, name: &str) -> Result<Response, Error> {
Dec 19 08:52:30.241 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.241 INFO [stderr] 
Dec 19 08:52:30.241 INFO [stderr] warning: method is never used: `set`
Dec 19 08:52:30.241 INFO [stderr]   --> src/firebase/db.rs:64:5
Dec 19 08:52:30.241 INFO [stderr]    |
Dec 19 08:52:30.241 INFO [stderr] 64 |     fn set<T: Serialize>(&self, name: &str, data: &T) -> Result<Response, Error> {
Dec 19 08:52:30.241 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.241 INFO [stderr] 
Dec 19 08:52:30.244 INFO [stderr] warning: method is never used: `new`
Dec 19 08:52:30.244 INFO [stderr]   --> src/firebase/db.rs:68:5
Dec 19 08:52:30.244 INFO [stderr]    |
Dec 19 08:52:30.244 INFO [stderr] 68 |     fn new<'b>(database: &'b FirebaseDatabase, path: &str) -> FirebaseRef<'b> {
Dec 19 08:52:30.244 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.244 INFO [stderr] 
Dec 19 08:52:30.317 INFO [stderr] warning: unused variable: `core`
Dec 19 08:52:30.318 INFO [stderr]   --> src/firebase/auth.rs:23:17
Dec 19 08:52:30.318 INFO [stderr]    |
Dec 19 08:52:30.318 INFO [stderr] 23 |         let mut core = Core::new().unwrap();
Dec 19 08:52:30.318 INFO [stderr]    |                 ^^^^ help: consider using `_core` instead
Dec 19 08:52:30.318 INFO [stderr]    |
Dec 19 08:52:30.318 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:52:30.318 INFO [stderr] 
Dec 19 08:52:30.328 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:52:30.328 INFO [stderr]   --> src/firebase/auth.rs:23:13
Dec 19 08:52:30.328 INFO [stderr]    |
Dec 19 08:52:30.328 INFO [stderr] 23 |         let mut core = Core::new().unwrap();
Dec 19 08:52:30.329 INFO [stderr]    |             ----^^^^
Dec 19 08:52:30.329 INFO [stderr]    |             |
Dec 19 08:52:30.329 INFO [stderr]    |             help: remove this `mut`
Dec 19 08:52:30.329 INFO [stderr]    |
Dec 19 08:52:30.329 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 08:52:30.329 INFO [stderr] 
Dec 19 08:52:30.332 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:52:30.332 INFO [stderr]   --> src/firebase/auth.rs:57:13
Dec 19 08:52:30.332 INFO [stderr]    |
Dec 19 08:52:30.332 INFO [stderr] 57 |         let mut key = env::var(&self.var_name).unwrap();
Dec 19 08:52:30.332 INFO [stderr]    |             ----^^^
Dec 19 08:52:30.332 INFO [stderr]    |             |
Dec 19 08:52:30.332 INFO [stderr]    |             help: remove this `mut`
Dec 19 08:52:30.332 INFO [stderr] 
Dec 19 08:52:30.371 INFO [stderr] warning: method is never used: `db_ref`
Dec 19 08:52:30.371 INFO [stderr]   --> src/firebase/db.rs:21:5
Dec 19 08:52:30.372 INFO [stderr]    |
Dec 19 08:52:30.372 INFO [stderr] 21 |     fn db_ref(&'a self, path: &'a str) -> FirebaseRef<'a> {
Dec 19 08:52:30.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.372 INFO [stderr]    |
Dec 19 08:52:30.372 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:52:30.373 INFO [stderr] 
Dec 19 08:52:30.373 INFO [stderr] warning: method is never used: `new`
Dec 19 08:52:30.373 INFO [stderr]   --> src/firebase/db.rs:26:5
Dec 19 08:52:30.373 INFO [stderr]    |
Dec 19 08:52:30.374 INFO [stderr] 26 |     fn new<'b>(url: &'b str, service_file: &'b str) -> Result<FirebaseDatabase<'b>, io::Error> {
Dec 19 08:52:30.374 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.374 INFO [stderr] 
Dec 19 08:52:30.374 INFO [stderr] warning: method is never used: `new_from_variable`
Dec 19 08:52:30.374 INFO [stderr]   --> src/firebase/db.rs:37:5
Dec 19 08:52:30.375 INFO [stderr]    |
Dec 19 08:52:30.375 INFO [stderr] 37 | /     fn new_from_variable<'b>(url: &'b str, var_name: &'b str) ->
Dec 19 08:52:30.375 INFO [stderr] 38 | |             Result<FirebaseDatabase<'b>, io::Error> {
Dec 19 08:52:30.375 INFO [stderr] 39 | |         let auth = ConfigVarAuth::new(var_name.to_owned());
Dec 19 08:52:30.375 INFO [stderr] 40 | |         let token = RefCell::new(auth.token().expect("Invalid token"));
Dec 19 08:52:30.375 INFO [stderr] ...  |
Dec 19 08:52:30.375 INFO [stderr] 46 | |         })
Dec 19 08:52:30.375 INFO [stderr] 47 | |     }
Dec 19 08:52:30.375 INFO [stderr]    | |_____^
Dec 19 08:52:30.375 INFO [stderr] 
Dec 19 08:52:30.375 INFO [stderr] warning: field is never used: `database`
Dec 19 08:52:30.375 INFO [stderr]   --> src/firebase/db.rs:51:5
Dec 19 08:52:30.375 INFO [stderr]    |
Dec 19 08:52:30.375 INFO [stderr] 51 |     database: &'a FirebaseDatabase<'a>,
Dec 19 08:52:30.375 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.376 INFO [stderr] 
Dec 19 08:52:30.376 INFO [stderr] warning: field is never used: `current_ref`
Dec 19 08:52:30.376 INFO [stderr]   --> src/firebase/db.rs:52:5
Dec 19 08:52:30.376 INFO [stderr]    |
Dec 19 08:52:30.376 INFO [stderr] 52 |     current_ref: Ref
Dec 19 08:52:30.376 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 08:52:30.376 INFO [stderr] 
Dec 19 08:52:30.376 INFO [stderr] warning: method is never used: `db_ref`
Dec 19 08:52:30.376 INFO [stderr]   --> src/firebase/db.rs:56:5
Dec 19 08:52:30.377 INFO [stderr]    |
Dec 19 08:52:30.377 INFO [stderr] 56 |     fn db_ref(&self, path: &str) -> Self {
Dec 19 08:52:30.377 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.377 INFO [stderr] 
Dec 19 08:52:30.377 INFO [stderr] warning: method is never used: `once`
Dec 19 08:52:30.377 INFO [stderr]   --> src/firebase/db.rs:60:5
Dec 19 08:52:30.377 INFO [stderr]    |
Dec 19 08:52:30.377 INFO [stderr] 60 |     fn once(&self, name: &str) -> Result<Response, Error> {
Dec 19 08:52:30.377 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.377 INFO [stderr] 
Dec 19 08:52:30.377 INFO [stderr] warning: method is never used: `set`
Dec 19 08:52:30.377 INFO [stderr]   --> src/firebase/db.rs:64:5
Dec 19 08:52:30.377 INFO [stderr]    |
Dec 19 08:52:30.377 INFO [stderr] 64 |     fn set<T: Serialize>(&self, name: &str, data: &T) -> Result<Response, Error> {
Dec 19 08:52:30.377 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.380 INFO [stderr] 
Dec 19 08:52:30.380 INFO [stderr] warning: method is never used: `new`
Dec 19 08:52:30.380 INFO [stderr]   --> src/firebase/db.rs:68:5
Dec 19 08:52:30.380 INFO [stderr]    |
Dec 19 08:52:30.380 INFO [stderr] 68 |     fn new<'b>(database: &'b FirebaseDatabase, path: &str) -> FirebaseRef<'b> {
Dec 19 08:52:30.380 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:52:30.380 INFO [stderr] 
Dec 19 08:52:30.465 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.04s
Dec 19 08:52:31.492 INFO running `"docker" "inspect" "633099de13a91afd6cae66c6517e5d39f32a04c70c09f72f140499614b5b64c9"`
Dec 19 08:52:31.828 INFO running `"docker" "rm" "-f" "633099de13a91afd6cae66c6517e5d39f32a04c70c09f72f140499614b5b64c9"`
Dec 19 08:52:32.152 INFO [stdout] 633099de13a91afd6cae66c6517e5d39f32a04c70c09f72f140499614b5b64c9