Dec 17 18:27:20.838 INFO checking ognarb/reddit-bot-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:27:20.838 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:27:21.310 INFO [stdout] 6da338f5133ea1a1f9df8c6b0a602f0f73ab92828e0f8ea7df61f09e9c70c3f4
Dec 17 18:27:21.316 INFO running `"docker" "start" "-a" "6da338f5133ea1a1f9df8c6b0a602f0f73ab92828e0f8ea7df61f09e9c70c3f4"`
Dec 17 18:27:23.020 INFO [stderr]     Checking itoa v0.4.0
Dec 17 18:27:23.020 INFO [stderr]     Checking open v1.2.1
Dec 17 18:27:23.020 INFO [stderr]     Checking tokio-executor v0.1.0
Dec 17 18:27:23.396 INFO [stderr]     Checking serde_json v1.0.13
Dec 17 18:27:23.453 INFO [stderr]     Checking tokio-reactor v0.1.0
Dec 17 18:27:23.453 INFO [stderr]     Checking tokio-threadpool v0.1.0
Dec 17 18:27:24.872 INFO [stderr]     Checking tokio v0.1.3
Dec 17 18:27:26.172 INFO [stderr]     Checking tokio-core v0.1.15
Dec 17 18:27:27.518 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 17 18:27:27.526 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 17 18:27:29.690 INFO [stderr]     Checking hyper v0.11.22
Dec 17 18:27:34.585 INFO [stderr]     Checking hyper-tls v0.1.3
Dec 17 18:27:35.160 INFO [stderr]     Checking orca v0.5.0
Dec 17 18:27:36.463 INFO [stderr]     Checking reddit v0.1.0 (/opt/crater/workdir)
Dec 17 18:27:37.528 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 17 18:27:37.529 INFO [stderr]  --> src/main.rs:4:5
Dec 17 18:27:37.529 INFO [stderr]   |
Dec 17 18:27:37.529 INFO [stderr] 4 | use std::cmp::Ordering;
Dec 17 18:27:37.530 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.530 INFO [stderr]   |
Dec 17 18:27:37.530 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:27:37.530 INFO [stderr] 
Dec 17 18:27:37.552 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 17 18:27:37.553 INFO [stderr]  --> src/main.rs:4:5
Dec 17 18:27:37.553 INFO [stderr]   |
Dec 17 18:27:37.553 INFO [stderr] 4 | use std::cmp::Ordering;
Dec 17 18:27:37.554 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.554 INFO [stderr]   |
Dec 17 18:27:37.554 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:27:37.554 INFO [stderr] 
Dec 17 18:27:37.705 INFO [stderr] warning: static item is never used: `UPDATE_INTERVAL_IN_SECONDS`
Dec 17 18:27:37.705 INFO [stderr]   --> src/main.rs:14:1
Dec 17 18:27:37.705 INFO [stderr]    |
Dec 17 18:27:37.705 INFO [stderr] 14 | static UPDATE_INTERVAL_IN_SECONDS : u64 = 3;
Dec 17 18:27:37.705 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.705 INFO [stderr]    |
Dec 17 18:27:37.705 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:27:37.705 INFO [stderr] 
Dec 17 18:27:37.708 INFO [stderr] warning: static item is never used: `TESTING`
Dec 17 18:27:37.709 INFO [stderr]   --> src/main.rs:15:1
Dec 17 18:27:37.709 INFO [stderr]    |
Dec 17 18:27:37.709 INFO [stderr] 15 | static TESTING : bool = true;
Dec 17 18:27:37.709 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.709 INFO [stderr] 
Dec 17 18:27:37.710 INFO [stderr] warning: struct is never constructed: `DatabaseEntry`
Dec 17 18:27:37.710 INFO [stderr]   --> src/main.rs:25:1
Dec 17 18:27:37.710 INFO [stderr]    |
Dec 17 18:27:37.710 INFO [stderr] 25 | struct DatabaseEntry (HashMap<String, i64>, i64);
Dec 17 18:27:37.710 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.710 INFO [stderr] 
Dec 17 18:27:37.710 INFO [stderr] warning: method is never used: `new`
Dec 17 18:27:37.710 INFO [stderr]   --> src/main.rs:37:5
Dec 17 18:27:37.710 INFO [stderr]    |
Dec 17 18:27:37.710 INFO [stderr] 37 |     fn new() -> Database {
Dec 17 18:27:37.710 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.710 INFO [stderr] 
Dec 17 18:27:37.711 INFO [stderr] warning: function is never used: `between`
Dec 17 18:27:37.711 INFO [stderr]   --> src/main.rs:51:1
Dec 17 18:27:37.711 INFO [stderr]    |
Dec 17 18:27:37.711 INFO [stderr] 51 | fn between(c:&char,  a: char, b: char) -> bool {
Dec 17 18:27:37.711 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.711 INFO [stderr] 
Dec 17 18:27:37.712 INFO [stderr] warning: function is never used: `add_word_to_database`
Dec 17 18:27:37.712 INFO [stderr]   --> src/main.rs:55:1
Dec 17 18:27:37.712 INFO [stderr]    |
Dec 17 18:27:37.712 INFO [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database {
Dec 17 18:27:37.712 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.712 INFO [stderr] 
Dec 17 18:27:37.712 INFO [stderr] warning: function is never used: `add_to_database`
Dec 17 18:27:37.712 INFO [stderr]   --> src/main.rs:68:1
Dec 17 18:27:37.712 INFO [stderr]    |
Dec 17 18:27:37.712 INFO [stderr] 68 | fn add_to_database (comment: Comment, data:Database) -> Database {
Dec 17 18:27:37.712 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.712 INFO [stderr] 
Dec 17 18:27:37.712 INFO [stderr] warning: function is never used: `analyse_last_n_comments`
Dec 17 18:27:37.713 INFO [stderr]   --> src/main.rs:75:1
Dec 17 18:27:37.713 INFO [stderr]    |
Dec 17 18:27:37.713 INFO [stderr] 75 | fn analyse_last_n_comments(n: usize, reddit:App) -> Database {
Dec 17 18:27:37.713 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.713 INFO [stderr] warning: static item is never used: `UPDATE_INTERVAL_IN_SECONDS`
Dec 17 18:27:37.713 INFO [stderr] 
Dec 17 18:27:37.713 INFO [stderr]   --> src/main.rs:14:1
Dec 17 18:27:37.713 INFO [stderr]    |
Dec 17 18:27:37.713 INFO [stderr] 14 | static UPDATE_INTERVAL_IN_SECONDS : u64 = 3;
Dec 17 18:27:37.713 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.713 INFO [stderr]    |
Dec 17 18:27:37.713 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:27:37.713 INFO [stderr] 
Dec 17 18:27:37.713 INFO [stderr] warning: static item is never used: `TESTING`
Dec 17 18:27:37.713 INFO [stderr]   --> src/main.rs:15:1
Dec 17 18:27:37.713 INFO [stderr]    |
Dec 17 18:27:37.713 INFO [stderr] 15 | static TESTING : bool = true;
Dec 17 18:27:37.713 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.713 INFO [stderr] 
Dec 17 18:27:37.713 INFO [stderr] warning: struct is never constructed: `DatabaseEntry`
Dec 17 18:27:37.713 INFO [stderr]   --> src/main.rs:25:1
Dec 17 18:27:37.713 INFO [stderr]    |
Dec 17 18:27:37.713 INFO [stderr] 25 | struct DatabaseEntry (HashMap<String, i64>, i64);
Dec 17 18:27:37.713 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.713 INFO [stderr] 
Dec 17 18:27:37.713 INFO [stderr] warning: method is never used: `new`
Dec 17 18:27:37.713 INFO [stderr]   --> src/main.rs:37:5
Dec 17 18:27:37.713 INFO [stderr]    |
Dec 17 18:27:37.714 INFO [stderr] 37 |     fn new() -> Database {
Dec 17 18:27:37.714 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.714 INFO [stderr] 
Dec 17 18:27:37.714 INFO [stderr] warning: function is never used: `between`
Dec 17 18:27:37.714 INFO [stderr]   --> src/main.rs:51:1
Dec 17 18:27:37.714 INFO [stderr]    |
Dec 17 18:27:37.714 INFO [stderr] 51 | fn between(c:&char,  a: char, b: char) -> bool {
Dec 17 18:27:37.714 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.714 INFO [stderr] 
Dec 17 18:27:37.714 INFO [stderr] warning: function is never used: `add_word_to_database`
Dec 17 18:27:37.714 INFO [stderr]   --> src/main.rs:55:1
Dec 17 18:27:37.714 INFO [stderr]    |
Dec 17 18:27:37.714 INFO [stderr] 55 | fn add_word_to_database <'a> (word: String, subreddit:&String, mut database:Database) -> Database {
Dec 17 18:27:37.714 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.714 INFO [stderr] 
Dec 17 18:27:37.714 INFO [stderr] warning: function is never used: `add_to_database`
Dec 17 18:27:37.714 INFO [stderr]   --> src/main.rs:68:1
Dec 17 18:27:37.714 INFO [stderr]    |
Dec 17 18:27:37.714 INFO [stderr] 68 | fn add_to_database (comment: Comment, data:Database) -> Database {
Dec 17 18:27:37.714 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.714 INFO [stderr] 
Dec 17 18:27:37.715 INFO [stderr] warning: function is never used: `analyse_last_n_comments`
Dec 17 18:27:37.715 INFO [stderr]   --> src/main.rs:75:1
Dec 17 18:27:37.715 INFO [stderr]    |
Dec 17 18:27:37.715 INFO [stderr] 75 | fn analyse_last_n_comments(n: usize, reddit:App) -> Database {
Dec 17 18:27:37.715 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.715 INFO [stderr] 
Dec 17 18:27:37.715 INFO [stderr] warning: function is never used: `polling`
Dec 17 18:27:37.715 INFO [stderr]   --> src/main.rs:95:1
Dec 17 18:27:37.715 INFO [stderr]    |
Dec 17 18:27:37.715 INFO [stderr] 95 | fn polling(reddit:App) {
Dec 17 18:27:37.715 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.715 INFO [stderr] 
Dec 17 18:27:37.715 INFO [stderr] warning: function is never used: `polling`
Dec 17 18:27:37.715 INFO [stderr]   --> src/main.rs:95:1
Dec 17 18:27:37.715 INFO [stderr]    |
Dec 17 18:27:37.715 INFO [stderr] 95 | fn polling(reddit:App) {
Dec 17 18:27:37.715 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.715 INFO [stderr] 
Dec 17 18:27:37.725 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:27:37.725 INFO [stderr]   --> src/main.rs:45:13
Dec 17 18:27:37.725 INFO [stderr]    |
Dec 17 18:27:37.725 INFO [stderr] 45 |             write!(f, "{} times {}\n", occurences, word);
Dec 17 18:27:37.725 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.725 INFO [stderr]    |
Dec 17 18:27:37.725 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:27:37.725 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:27:37.725 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 18:27:37.725 INFO [stderr] 
Dec 17 18:27:37.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:27:37.732 INFO [stderr]   --> src/main.rs:45:13
Dec 17 18:27:37.732 INFO [stderr]    |
Dec 17 18:27:37.732 INFO [stderr] 45 |             write!(f, "{} times {}\n", occurences, word);
Dec 17 18:27:37.732 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:27:37.732 INFO [stderr]    |
Dec 17 18:27:37.732 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:27:37.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:27:37.732 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 18:27:37.732 INFO [stderr] 
Dec 17 18:27:37.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.03s
Dec 17 18:27:38.941 INFO running `"docker" "inspect" "6da338f5133ea1a1f9df8c6b0a602f0f73ab92828e0f8ea7df61f09e9c70c3f4"`
Dec 17 18:27:39.256 INFO running `"docker" "rm" "-f" "6da338f5133ea1a1f9df8c6b0a602f0f73ab92828e0f8ea7df61f09e9c70c3f4"`
Dec 17 18:27:39.540 INFO [stdout] 6da338f5133ea1a1f9df8c6b0a602f0f73ab92828e0f8ea7df61f09e9c70c3f4