[INFO] cloning repository matthhan/rssidiot
[INFO] running `"git" "clone" "--bare" "git://github.com/matthhan/rssidiot.git" "work/cache/sources/gh/matthhan/rssidiot"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/matthhan/rssidiot'...
[INFO] running `"git" "clone" "work/cache/sources/gh/matthhan/rssidiot" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/matthhan/rssidiot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/matthhan/rssidiot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matthhan/rssidiot" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/matthhan/rssidiot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/matthhan/rssidiot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 720360ab0664def967c2bac61163cafb2e3a0025
[INFO] sha for GitHub repo matthhan/rssidiot: 720360ab0664def967c2bac61163cafb2e3a0025
[INFO] validating manifest of matthhan/rssidiot on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of matthhan/rssidiot on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing matthhan/rssidiot
[INFO] finished frobbing matthhan/rssidiot
[INFO] frobbed toml for matthhan/rssidiot written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/matthhan/rssidiot/Cargo.toml
[INFO] started frobbing matthhan/rssidiot
[INFO] finished frobbing matthhan/rssidiot
[INFO] frobbed toml for matthhan/rssidiot written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/matthhan/rssidiot/Cargo.toml
[INFO] crate matthhan/rssidiot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking matthhan/rssidiot against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/matthhan/rssidiot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 738ddb115408cd765ec1fc13543140249668ffa43859e485ece8af0e25172c58
[INFO] running `"docker" "start" "-a" "738ddb115408cd765ec1fc13543140249668ffa43859e485ece8af0e25172c58"`
[INFO] [stderr]    Compiling serde v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.68
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking rssidiot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/circular_buffer.rs:81:44
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn replace_at_index(&self,ind:usize,f:&Fn(Option<T>) -> T) -> CircularBuffer<T> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<T>) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/can_replace_at_index.rs:3:49
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn replace_at_index(&self, index:usize, f: &Fn(Option<T>) -> T) -> Self;
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<T>) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/can_replace_at_index.rs:6:44
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn replace_at_index(&self,ind:usize,f:&Fn(Option<T>) -> T) -> Vec<T> {
[INFO] [stderr]   |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<T>) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/circular_buffer.rs:81:44
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn replace_at_index(&self,ind:usize,f:&Fn(Option<T>) -> T) -> CircularBuffer<T> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<T>) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/can_replace_at_index.rs:3:49
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn replace_at_index(&self, index:usize, f: &Fn(Option<T>) -> T) -> Self;
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<T>) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/can_replace_at_index.rs:6:44
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn replace_at_index(&self,ind:usize,f:&Fn(Option<T>) -> T) -> Vec<T> {
[INFO] [stderr]   |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<T>) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/circular_buffer.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |         for x in buf.iter() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/circular_buffer.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         for x in buf.iter() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/article.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(title: String, url: String) -> Article {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/feed.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(name:String,url:String) -> Feed {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_article`
[INFO] [stderr]   --> src/feed.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn add_article(self,art:Article) -> Feed {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/circular_buffer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(size:usize) -> CircularBuffer<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/circular_buffer.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn add(self,thing: T) -> CircularBuffer<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/application.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> ApplicationState {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_feed`
[INFO] [stderr]   --> src/application.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn add_feed(self, feed:Feed)-> ApplicationState {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_article`
[INFO] [stderr]   --> src/feed.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn add_article(self,art:Article) -> Feed {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_feed`
[INFO] [stderr]   --> src/application.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn add_feed(self, feed:Feed)-> ApplicationState {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.16s
[INFO] running `"docker" "inspect" "738ddb115408cd765ec1fc13543140249668ffa43859e485ece8af0e25172c58"`
[INFO] running `"docker" "rm" "-f" "738ddb115408cd765ec1fc13543140249668ffa43859e485ece8af0e25172c58"`
[INFO] [stdout] 738ddb115408cd765ec1fc13543140249668ffa43859e485ece8af0e25172c58