Dec 19 11:32:56.671 INFO checking ognarb/reddit-bot-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:32:56.671 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ognarb/reddit-bot-rust:/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 11:32:56.902 INFO [stdout] 68280194276ecf46b44bdc3819171a69a34be277baa76e5f7bb9efc4441561ce
Dec 19 11:32:56.904 INFO running `"docker" "start" "-a" "68280194276ecf46b44bdc3819171a69a34be277baa76e5f7bb9efc4441561ce"`
Dec 19 11:32:58.159 INFO [stderr]     Checking open v1.2.1
Dec 19 11:32:58.161 INFO [stderr]    Compiling openssl-sys v0.9.27
Dec 19 11:32:58.161 INFO [stderr]     Checking serde_json v1.0.13
Dec 19 11:32:58.162 INFO [stderr]     Checking chrono v0.4.0
Dec 19 11:32:58.163 INFO [stderr]     Checking failure v0.1.1
Dec 19 11:33:02.104 INFO [stderr]    Compiling openssl v0.9.24
Dec 19 11:33:06.529 INFO [stderr]     Checking native-tls v0.1.5
Dec 19 11:33:07.040 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 19 11:33:07.604 INFO [stderr]     Checking hyper-tls v0.1.3
Dec 19 11:33:08.246 INFO [stderr]     Checking orca v0.5.0
Dec 19 11:33:09.564 INFO [stderr]     Checking reddit v0.1.0 (/opt/crater/workdir)
Dec 19 11:33:10.484 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 11:33:10.484 INFO [stderr]  --> src/main.rs:4:5
Dec 19 11:33:10.484 INFO [stderr]   |
Dec 19 11:33:10.484 INFO [stderr] 4 | use std::cmp::Ordering;
Dec 19 11:33:10.484 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.484 INFO [stderr]   |
Dec 19 11:33:10.484 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:33:10.484 INFO [stderr] 
Dec 19 11:33:10.544 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 11:33:10.544 INFO [stderr]  --> src/main.rs:4:5
Dec 19 11:33:10.544 INFO [stderr]   |
Dec 19 11:33:10.544 INFO [stderr] 4 | use std::cmp::Ordering;
Dec 19 11:33:10.544 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.544 INFO [stderr]   |
Dec 19 11:33:10.544 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:33:10.544 INFO [stderr] 
Dec 19 11:33:10.676 INFO [stderr] warning: static item is never used: `UPDATE_INTERVAL_IN_SECONDS`
Dec 19 11:33:10.676 INFO [stderr]   --> src/main.rs:14:1
Dec 19 11:33:10.676 INFO [stderr]    |
Dec 19 11:33:10.676 INFO [stderr] 14 | static UPDATE_INTERVAL_IN_SECONDS : u64 = 3;
Dec 19 11:33:10.676 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.676 INFO [stderr]    |
Dec 19 11:33:10.676 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:33:10.677 INFO [stderr] 
Dec 19 11:33:10.677 INFO [stderr] warning: static item is never used: `TESTING`
Dec 19 11:33:10.677 INFO [stderr]   --> src/main.rs:15:1
Dec 19 11:33:10.677 INFO [stderr]    |
Dec 19 11:33:10.677 INFO [stderr] 15 | static TESTING : bool = true;
Dec 19 11:33:10.677 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.677 INFO [stderr] 
Dec 19 11:33:10.677 INFO [stderr] warning: struct is never constructed: `DatabaseEntry`
Dec 19 11:33:10.677 INFO [stderr]   --> src/main.rs:25:1
Dec 19 11:33:10.677 INFO [stderr]    |
Dec 19 11:33:10.677 INFO [stderr] 25 | struct DatabaseEntry (HashMap<String, i64>, i64);
Dec 19 11:33:10.677 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.677 INFO [stderr] 
Dec 19 11:33:10.677 INFO [stderr] warning: method is never used: `new`
Dec 19 11:33:10.677 INFO [stderr]   --> src/main.rs:37:5
Dec 19 11:33:10.677 INFO [stderr]    |
Dec 19 11:33:10.677 INFO [stderr] 37 |     fn new() -> Database {
Dec 19 11:33:10.677 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.677 INFO [stderr] 
Dec 19 11:33:10.677 INFO [stderr] warning: function is never used: `between`
Dec 19 11:33:10.677 INFO [stderr]   --> src/main.rs:51:1
Dec 19 11:33:10.677 INFO [stderr]    |
Dec 19 11:33:10.677 INFO [stderr] 51 | fn between(c:&char,  a: char, b: char) -> bool {
Dec 19 11:33:10.677 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.677 INFO [stderr] 
Dec 19 11:33:10.677 INFO [stderr] warning: function is never used: `add_word_to_database`
Dec 19 11:33:10.677 INFO [stderr]   --> src/main.rs:55:1
Dec 19 11:33:10.677 INFO [stderr]    |
Dec 19 11:33:10.677 INFO [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database {
Dec 19 11:33:10.677 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.677 INFO [stderr] 
Dec 19 11:33:10.677 INFO [stderr] warning: function is never used: `add_to_database`
Dec 19 11:33:10.677 INFO [stderr]   --> src/main.rs:68:1
Dec 19 11:33:10.677 INFO [stderr]    |
Dec 19 11:33:10.677 INFO [stderr] 68 | fn add_to_database (comment: Comment, data:Database) -> Database {
Dec 19 11:33:10.677 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.677 INFO [stderr] 
Dec 19 11:33:10.677 INFO [stderr] warning: function is never used: `analyse_last_n_comments`
Dec 19 11:33:10.677 INFO [stderr]   --> src/main.rs:75:1
Dec 19 11:33:10.677 INFO [stderr]    |
Dec 19 11:33:10.677 INFO [stderr] 75 | fn analyse_last_n_comments(n: usize, reddit:App) -> Database {
Dec 19 11:33:10.677 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.677 INFO [stderr] 
Dec 19 11:33:10.677 INFO [stderr] warning: function is never used: `polling`
Dec 19 11:33:10.677 INFO [stderr]   --> src/main.rs:95:1
Dec 19 11:33:10.677 INFO [stderr]    |
Dec 19 11:33:10.677 INFO [stderr] 95 | fn polling(reddit:App) {
Dec 19 11:33:10.677 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.677 INFO [stderr] 
Dec 19 11:33:10.684 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 11:33:10.684 INFO [stderr]   --> src/main.rs:45:13
Dec 19 11:33:10.684 INFO [stderr]    |
Dec 19 11:33:10.684 INFO [stderr] 45 |             write!(f, "{} times {}\n", occurences, word);
Dec 19 11:33:10.684 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.684 INFO [stderr]    |
Dec 19 11:33:10.684 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 11:33:10.684 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 11:33:10.684 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 11:33:10.684 INFO [stderr] 
Dec 19 11:33:10.764 INFO [stderr] warning: static item is never used: `UPDATE_INTERVAL_IN_SECONDS`
Dec 19 11:33:10.764 INFO [stderr]   --> src/main.rs:14:1
Dec 19 11:33:10.764 INFO [stderr]    |
Dec 19 11:33:10.764 INFO [stderr] 14 | static UPDATE_INTERVAL_IN_SECONDS : u64 = 3;
Dec 19 11:33:10.764 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.764 INFO [stderr]    |
Dec 19 11:33:10.764 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:33:10.764 INFO [stderr] 
Dec 19 11:33:10.764 INFO [stderr] warning: static item is never used: `TESTING`
Dec 19 11:33:10.765 INFO [stderr]   --> src/main.rs:15:1
Dec 19 11:33:10.765 INFO [stderr]    |
Dec 19 11:33:10.765 INFO [stderr] 15 | static TESTING : bool = true;
Dec 19 11:33:10.765 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.765 INFO [stderr] 
Dec 19 11:33:10.765 INFO [stderr] warning: struct is never constructed: `DatabaseEntry`
Dec 19 11:33:10.765 INFO [stderr]   --> src/main.rs:25:1
Dec 19 11:33:10.765 INFO [stderr]    |
Dec 19 11:33:10.765 INFO [stderr] 25 | struct DatabaseEntry (HashMap<String, i64>, i64);
Dec 19 11:33:10.765 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.765 INFO [stderr] 
Dec 19 11:33:10.765 INFO [stderr] warning: method is never used: `new`
Dec 19 11:33:10.765 INFO [stderr]   --> src/main.rs:37:5
Dec 19 11:33:10.765 INFO [stderr]    |
Dec 19 11:33:10.765 INFO [stderr] 37 |     fn new() -> Database {
Dec 19 11:33:10.765 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.765 INFO [stderr] 
Dec 19 11:33:10.765 INFO [stderr] warning: function is never used: `between`
Dec 19 11:33:10.765 INFO [stderr]   --> src/main.rs:51:1
Dec 19 11:33:10.765 INFO [stderr]    |
Dec 19 11:33:10.765 INFO [stderr] 51 | fn between(c:&char,  a: char, b: char) -> bool {
Dec 19 11:33:10.765 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.765 INFO [stderr] 
Dec 19 11:33:10.765 INFO [stderr] warning: function is never used: `add_word_to_database`
Dec 19 11:33:10.765 INFO [stderr]   --> src/main.rs:55:1
Dec 19 11:33:10.765 INFO [stderr]    |
Dec 19 11:33:10.765 INFO [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database {
Dec 19 11:33:10.765 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.765 INFO [stderr] 
Dec 19 11:33:10.765 INFO [stderr] warning: function is never used: `add_to_database`
Dec 19 11:33:10.765 INFO [stderr]   --> src/main.rs:68:1
Dec 19 11:33:10.765 INFO [stderr]    |
Dec 19 11:33:10.765 INFO [stderr] 68 | fn add_to_database (comment: Comment, data:Database) -> Database {
Dec 19 11:33:10.765 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.765 INFO [stderr] 
Dec 19 11:33:10.765 INFO [stderr] warning: function is never used: `analyse_last_n_comments`
Dec 19 11:33:10.765 INFO [stderr]   --> src/main.rs:75:1
Dec 19 11:33:10.765 INFO [stderr]    |
Dec 19 11:33:10.765 INFO [stderr] 75 | fn analyse_last_n_comments(n: usize, reddit:App) -> Database {
Dec 19 11:33:10.765 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.765 INFO [stderr] 
Dec 19 11:33:10.765 INFO [stderr] warning: function is never used: `polling`
Dec 19 11:33:10.765 INFO [stderr]   --> src/main.rs:95:1
Dec 19 11:33:10.765 INFO [stderr]    |
Dec 19 11:33:10.765 INFO [stderr] 95 | fn polling(reddit:App) {
Dec 19 11:33:10.765 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.765 INFO [stderr] 
Dec 19 11:33:10.772 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 11:33:10.772 INFO [stderr]   --> src/main.rs:45:13
Dec 19 11:33:10.772 INFO [stderr]    |
Dec 19 11:33:10.772 INFO [stderr] 45 |             write!(f, "{} times {}\n", occurences, word);
Dec 19 11:33:10.772 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:33:10.772 INFO [stderr]    |
Dec 19 11:33:10.772 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 11:33:10.772 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 11:33:10.772 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 11:33:10.772 INFO [stderr] 
Dec 19 11:33:10.816 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.87s
Dec 19 11:33:11.646 INFO running `"docker" "inspect" "68280194276ecf46b44bdc3819171a69a34be277baa76e5f7bb9efc4441561ce"`
Dec 19 11:33:11.826 INFO running `"docker" "rm" "-f" "68280194276ecf46b44bdc3819171a69a34be277baa76e5f7bb9efc4441561ce"`
Dec 19 11:33:12.020 INFO [stdout] 68280194276ecf46b44bdc3819171a69a34be277baa76e5f7bb9efc4441561ce