Dec 17 18:27:21.517 INFO checking ognarb/reddit-bot-rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:27:21.517 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:27:22.170 INFO [stdout] f99c432b8b67952091283eaacf781c30d1f93def888b454707badb2b0c05371f
Dec 17 18:27:22.172 INFO running `"docker" "start" "-a" "f99c432b8b67952091283eaacf781c30d1f93def888b454707badb2b0c05371f"`
Dec 17 18:27:23.560 INFO [stderr]     Checking open v1.2.1
Dec 17 18:27:23.572 INFO [stderr]     Checking serde_json v1.0.13
Dec 17 18:27:23.592 INFO [stderr]     Checking openssl-sys v0.9.27
Dec 17 18:27:23.600 INFO [stderr]     Checking failure v0.1.1
Dec 17 18:27:24.637 INFO [stderr]     Checking openssl v0.9.24
Dec 17 18:27:28.101 INFO [stderr]     Checking native-tls v0.1.5
Dec 17 18:27:28.559 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 17 18:27:29.074 INFO [stderr]     Checking hyper-tls v0.1.3
Dec 17 18:27:29.717 INFO [stderr]     Checking orca v0.5.0
Dec 17 18:27:31.138 INFO [stderr]     Checking reddit v0.1.0 (/opt/crater/workdir)
Dec 17 18:27:32.100 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 17 18:27:32.100 INFO [stderr]  --> src/main.rs:4:5
Dec 17 18:27:32.100 INFO [stderr]   |
Dec 17 18:27:32.100 INFO [stderr] 4 | use std::cmp::Ordering;
Dec 17 18:27:32.100 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.100 INFO [stderr]   |
Dec 17 18:27:32.100 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:27:32.100 INFO [stderr] 
Dec 17 18:27:32.116 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 17 18:27:32.116 INFO [stderr]  --> src/main.rs:4:5
Dec 17 18:27:32.116 INFO [stderr]   |
Dec 17 18:27:32.116 INFO [stderr] 4 | use std::cmp::Ordering;
Dec 17 18:27:32.116 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.116 INFO [stderr]   |
Dec 17 18:27:32.116 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:27:32.116 INFO [stderr] 
Dec 17 18:27:32.338 INFO [stderr] warning: static item is never used: `UPDATE_INTERVAL_IN_SECONDS`
Dec 17 18:27:32.338 INFO [stderr]   --> src/main.rs:14:1
Dec 17 18:27:32.338 INFO [stderr]    |
Dec 17 18:27:32.338 INFO [stderr] 14 | static UPDATE_INTERVAL_IN_SECONDS : u64 = 3;
Dec 17 18:27:32.338 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.338 INFO [stderr]    |
Dec 17 18:27:32.338 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:27:32.338 INFO [stderr] 
Dec 17 18:27:32.338 INFO [stderr] warning: static item is never used: `TESTING`
Dec 17 18:27:32.338 INFO [stderr]   --> src/main.rs:15:1
Dec 17 18:27:32.338 INFO [stderr]    |
Dec 17 18:27:32.338 INFO [stderr] 15 | static TESTING : bool = true;
Dec 17 18:27:32.338 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.338 INFO [stderr] 
Dec 17 18:27:32.338 INFO [stderr] warning: struct is never constructed: `DatabaseEntry`
Dec 17 18:27:32.338 INFO [stderr]   --> src/main.rs:25:1
Dec 17 18:27:32.338 INFO [stderr]    |
Dec 17 18:27:32.339 INFO [stderr] 25 | struct DatabaseEntry (HashMap<String, i64>, i64);
Dec 17 18:27:32.339 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.339 INFO [stderr] 
Dec 17 18:27:32.339 INFO [stderr] warning: method is never used: `new`
Dec 17 18:27:32.339 INFO [stderr]   --> src/main.rs:37:5
Dec 17 18:27:32.339 INFO [stderr]    |
Dec 17 18:27:32.339 INFO [stderr] 37 |     fn new() -> Database {
Dec 17 18:27:32.339 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.339 INFO [stderr] 
Dec 17 18:27:32.339 INFO [stderr] warning: function is never used: `between`
Dec 17 18:27:32.339 INFO [stderr]   --> src/main.rs:51:1
Dec 17 18:27:32.339 INFO [stderr]    |
Dec 17 18:27:32.339 INFO [stderr] 51 | fn between(c:&char,  a: char, b: char) -> bool {
Dec 17 18:27:32.339 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.339 INFO [stderr] 
Dec 17 18:27:32.339 INFO [stderr] warning: function is never used: `add_word_to_database`
Dec 17 18:27:32.339 INFO [stderr]   --> src/main.rs:55:1
Dec 17 18:27:32.340 INFO [stderr]    |
Dec 17 18:27:32.340 INFO [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database {
Dec 17 18:27:32.340 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.340 INFO [stderr] 
Dec 17 18:27:32.340 INFO [stderr] warning: function is never used: `add_to_database`
Dec 17 18:27:32.340 INFO [stderr]   --> src/main.rs:68:1
Dec 17 18:27:32.340 INFO [stderr]    |
Dec 17 18:27:32.340 INFO [stderr] 68 | fn add_to_database (comment: Comment, data:Database) -> Database {
Dec 17 18:27:32.340 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.340 INFO [stderr] 
Dec 17 18:27:32.340 INFO [stderr] warning: function is never used: `analyse_last_n_comments`
Dec 17 18:27:32.340 INFO [stderr]   --> src/main.rs:75:1
Dec 17 18:27:32.340 INFO [stderr]    |
Dec 17 18:27:32.340 INFO [stderr] 75 | fn analyse_last_n_comments(n: usize, reddit:App) -> Database {
Dec 17 18:27:32.340 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.340 INFO [stderr] 
Dec 17 18:27:32.340 INFO [stderr] warning: function is never used: `polling`
Dec 17 18:27:32.340 INFO [stderr]   --> src/main.rs:95:1
Dec 17 18:27:32.341 INFO [stderr]    |
Dec 17 18:27:32.341 INFO [stderr] 95 | fn polling(reddit:App) {
Dec 17 18:27:32.341 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.341 INFO [stderr] 
Dec 17 18:27:32.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:27:32.356 INFO [stderr]   --> src/main.rs:45:13
Dec 17 18:27:32.356 INFO [stderr]    |
Dec 17 18:27:32.357 INFO [stderr] 45 |             write!(f, "{} times {}\n", occurences, word);
Dec 17 18:27:32.357 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.357 INFO [stderr]    |
Dec 17 18:27:32.357 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:27:32.358 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:27:32.358 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 17 18:27:32.358 INFO [stderr] 
Dec 17 18:27:32.417 INFO [stderr] warning: static item is never used: `UPDATE_INTERVAL_IN_SECONDS`
Dec 17 18:27:32.417 INFO [stderr]   --> src/main.rs:14:1
Dec 17 18:27:32.417 INFO [stderr]    |
Dec 17 18:27:32.417 INFO [stderr] 14 | static UPDATE_INTERVAL_IN_SECONDS : u64 = 3;
Dec 17 18:27:32.418 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.418 INFO [stderr]    |
Dec 17 18:27:32.418 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:27:32.418 INFO [stderr] 
Dec 17 18:27:32.418 INFO [stderr] warning: static item is never used: `TESTING`
Dec 17 18:27:32.419 INFO [stderr]   --> src/main.rs:15:1
Dec 17 18:27:32.419 INFO [stderr]    |
Dec 17 18:27:32.419 INFO [stderr] 15 | static TESTING : bool = true;
Dec 17 18:27:32.419 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.419 INFO [stderr] 
Dec 17 18:27:32.419 INFO [stderr] warning: struct is never constructed: `DatabaseEntry`
Dec 17 18:27:32.419 INFO [stderr]   --> src/main.rs:25:1
Dec 17 18:27:32.420 INFO [stderr]    |
Dec 17 18:27:32.420 INFO [stderr] 25 | struct DatabaseEntry (HashMap<String, i64>, i64);
Dec 17 18:27:32.420 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.420 INFO [stderr] 
Dec 17 18:27:32.420 INFO [stderr] warning: method is never used: `new`
Dec 17 18:27:32.420 INFO [stderr]   --> src/main.rs:37:5
Dec 17 18:27:32.421 INFO [stderr]    |
Dec 17 18:27:32.421 INFO [stderr] 37 |     fn new() -> Database {
Dec 17 18:27:32.421 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.421 INFO [stderr] 
Dec 17 18:27:32.421 INFO [stderr] warning: function is never used: `between`
Dec 17 18:27:32.421 INFO [stderr]   --> src/main.rs:51:1
Dec 17 18:27:32.421 INFO [stderr]    |
Dec 17 18:27:32.422 INFO [stderr] 51 | fn between(c:&char,  a: char, b: char) -> bool {
Dec 17 18:27:32.422 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.422 INFO [stderr] 
Dec 17 18:27:32.422 INFO [stderr] warning: function is never used: `add_word_to_database`
Dec 17 18:27:32.422 INFO [stderr]   --> src/main.rs:55:1
Dec 17 18:27:32.422 INFO [stderr]    |
Dec 17 18:27:32.423 INFO [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database {
Dec 17 18:27:32.423 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.423 INFO [stderr] 
Dec 17 18:27:32.423 INFO [stderr] warning: function is never used: `add_to_database`
Dec 17 18:27:32.423 INFO [stderr]   --> src/main.rs:68:1
Dec 17 18:27:32.423 INFO [stderr]    |
Dec 17 18:27:32.423 INFO [stderr] 68 | fn add_to_database (comment: Comment, data:Database) -> Database {
Dec 17 18:27:32.424 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.424 INFO [stderr] 
Dec 17 18:27:32.424 INFO [stderr] warning: function is never used: `analyse_last_n_comments`
Dec 17 18:27:32.424 INFO [stderr]   --> src/main.rs:75:1
Dec 17 18:27:32.424 INFO [stderr]    |
Dec 17 18:27:32.424 INFO [stderr] 75 | fn analyse_last_n_comments(n: usize, reddit:App) -> Database {
Dec 17 18:27:32.424 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.424 INFO [stderr] 
Dec 17 18:27:32.425 INFO [stderr] warning: function is never used: `polling`
Dec 17 18:27:32.425 INFO [stderr]   --> src/main.rs:95:1
Dec 17 18:27:32.425 INFO [stderr]    |
Dec 17 18:27:32.425 INFO [stderr] 95 | fn polling(reddit:App) {
Dec 17 18:27:32.425 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.425 INFO [stderr] 
Dec 17 18:27:32.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:27:32.426 INFO [stderr]   --> src/main.rs:45:13
Dec 17 18:27:32.426 INFO [stderr]    |
Dec 17 18:27:32.426 INFO [stderr] 45 |             write!(f, "{} times {}\n", occurences, word);
Dec 17 18:27:32.426 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:32.426 INFO [stderr]    |
Dec 17 18:27:32.426 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:27:32.426 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:27:32.427 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 17 18:27:32.427 INFO [stderr] 
Dec 17 18:27:32.480 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.21s
Dec 17 18:27:33.894 INFO running `"docker" "inspect" "f99c432b8b67952091283eaacf781c30d1f93def888b454707badb2b0c05371f"`
Dec 17 18:27:34.128 INFO running `"docker" "rm" "-f" "f99c432b8b67952091283eaacf781c30d1f93def888b454707badb2b0c05371f"`
Dec 17 18:27:34.332 INFO [stdout] f99c432b8b67952091283eaacf781c30d1f93def888b454707badb2b0c05371f