[INFO] updating cached repository https://github.com/matthhan/rssidiot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 720360ab0664def967c2bac61163cafb2e3a0025
[INFO] testing matthhan/rssidiot against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthhan%2Frssidiot" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthhan/rssidiot on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/matthhan/rssidiot
[INFO] finished tweaking git repo https://github.com/matthhan/rssidiot
[INFO] tweaked toml for git repo https://github.com/matthhan/rssidiot written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/matthhan/rssidiot already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5e7c5307d935223b598d5f91d84b005fe32884951d84b6ec35e09507a70b63c9
[INFO] running `"docker" "start" "-a" "5e7c5307d935223b598d5f91d84b005fe32884951d84b6ec35e09507a70b63c9"`
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling serde_derive v1.0.68
[INFO] [stderr]    Compiling rssidiot v0.1.0 (/opt/rustwide/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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `"docker" "inspect" "5e7c5307d935223b598d5f91d84b005fe32884951d84b6ec35e09507a70b63c9"`
[INFO] running `"docker" "rm" "-f" "5e7c5307d935223b598d5f91d84b005fe32884951d84b6ec35e09507a70b63c9"`
[INFO] [stdout] 5e7c5307d935223b598d5f91d84b005fe32884951d84b6ec35e09507a70b63c9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] fe5c1bf88c037702aa8425c4408cf57d35134c0c4ba99d572ea02f23f8b09699
[INFO] running `"docker" "start" "-a" "fe5c1bf88c037702aa8425c4408cf57d35134c0c4ba99d572ea02f23f8b09699"`
[INFO] [stderr]    Compiling rssidiot v0.1.0 (/opt/rustwide/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: 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: `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 1.19s
[INFO] running `"docker" "inspect" "fe5c1bf88c037702aa8425c4408cf57d35134c0c4ba99d572ea02f23f8b09699"`
[INFO] running `"docker" "rm" "-f" "fe5c1bf88c037702aa8425c4408cf57d35134c0c4ba99d572ea02f23f8b09699"`
[INFO] [stdout] fe5c1bf88c037702aa8425c4408cf57d35134c0c4ba99d572ea02f23f8b09699
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 724e69087fd767855d239082a8e36f5eacdd0b360e09dc3bc3c551b025fd40bb
[INFO] running `"docker" "start" "-a" "724e69087fd767855d239082a8e36f5eacdd0b360e09dc3bc3c551b025fd40bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rssidiot-f3a4dd548844647e
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test application::application_tests::without_feeds_navigating_never_gives_position ... ok
[INFO] [stdout] test article::article_tests::can_serialize_and_deserialize ... ok
[INFO] [stdout] test article::article_tests::setting_read_works ... ok
[INFO] [stdout] test circular_buffer::circular_buffer_tests::can_add ... ok
[INFO] [stdout] test circular_buffer::circular_buffer_tests::can_iterate ... ok
[INFO] [stdout] test circular_buffer::circular_buffer_tests::iterates_from_oldest ... ok
[INFO] [stdout] test circular_buffer::circular_buffer_tests::can_be_serialized_and_deserialized_correctly ... ok
[INFO] [stdout] test cursor::cursor_tests::can_create ... ok
[INFO] [stdout] test circular_buffer::circular_buffer_tests::can_iter_twice ... ok
[INFO] [stdout] test cursor::cursor_tests::can_move_around_within_bounds ... ok
[INFO] [stdout] test feed::feed_tests::can_serialize_and_deserialize ... ok
[INFO] [stdout] test render_state::tests::can_render_a_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rssidiot-a65f71b26c741159
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rssidiot
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "724e69087fd767855d239082a8e36f5eacdd0b360e09dc3bc3c551b025fd40bb"`
[INFO] running `"docker" "rm" "-f" "724e69087fd767855d239082a8e36f5eacdd0b360e09dc3bc3c551b025fd40bb"`
[INFO] [stdout] 724e69087fd767855d239082a8e36f5eacdd0b360e09dc3bc3c551b025fd40bb