[INFO] cloning repository https://github.com/MasonEG/rss_reader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MasonEG/rss_reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2Frss_reader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2Frss_reader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f75052d2d5afe58dfd02cc335b549a627c6f2849
[INFO] testing MasonEG/rss_reader against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasonEG%2Frss_reader" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MasonEG/rss_reader on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MasonEG/rss_reader
[INFO] finished tweaking git repo https://github.com/MasonEG/rss_reader
[INFO] tweaked toml for git repo https://github.com/MasonEG/rss_reader written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/MasonEG/rss_reader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab8e3b79e9a03d5fd8761d97959aac04ba080b81e0e8ce11997e156e6217e12c
[INFO] running `Command { std: "docker" "start" "-a" "ab8e3b79e9a03d5fd8761d97959aac04ba080b81e0e8ce11997e156e6217e12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab8e3b79e9a03d5fd8761d97959aac04ba080b81e0e8ce11997e156e6217e12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8e3b79e9a03d5fd8761d97959aac04ba080b81e0e8ce11997e156e6217e12c", kill_on_drop: false }`
[INFO] [stdout] ab8e3b79e9a03d5fd8761d97959aac04ba080b81e0e8ce11997e156e6217e12c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7388d64f0142b7a2712730aede5252a49642e8cef306dd42c767b00a8dbae313
[INFO] running `Command { std: "docker" "start" "-a" "7388d64f0142b7a2712730aede5252a49642e8cef306dd42c767b00a8dbae313", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling hyper v0.14.5
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.2
[INFO] [stderr]    Compiling rss-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `color`, `event::Key`, `input::TermRead`, `raw::IntoRawMode`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     event::Key,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     input::TermRead,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     color,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     raw::IntoRawMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rss_item` should have an upper camel case name
[INFO] [stdout]  --> src/lib/rss_item.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct rss_item {
[INFO] [stdout]   |            ^^^^^^^^ help: convert the identifier to upper camel case: `RssItem`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/lib/rss_channel.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rss_channel` should have an upper camel case name
[INFO] [stdout]  --> src/lib/rss_channel.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct rss_channel {
[INFO] [stdout]   |            ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RssChannel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `title` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     title,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Title`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `description` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     description,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `date` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     date,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Date`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `url` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     url,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `author` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     author,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Author`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `summary` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     summary,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Summary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `irrelevant` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     irrelevant,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Irrelevant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 if (name.local_name.as_str() == "item") {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]    --> src/main.rs:47:46
[INFO] [stdout]     |
[INFO] [stdout] 44  | / fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 45  | |     
[INFO] [stdout] 46  | |     let args: Vec<String> = env::args().collect();
[INFO] [stdout] 47  | |     println!("RSS feed from: {}", args.get(1)?);
[INFO] [stdout]     | |                                              ^ use `.ok_or(...)?` to provide an error compatible with `Result<(), Box<dyn std::error::Error>>`
[INFO] [stdout] ...   |
[INFO] [stdout] 155 | |     Ok(())
[INFO] [stdout] 156 | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<(), Box<dyn std::error::Error>>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]    --> src/main.rs:50:50
[INFO] [stdout]     |
[INFO] [stdout] 44  | / fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 45  | |     
[INFO] [stdout] 46  | |     let args: Vec<String> = env::args().collect();
[INFO] [stdout] 47  | |     println!("RSS feed from: {}", args.get(1)?);
[INFO] [stdout] ...   |
[INFO] [stdout] 50  | |     let resp = reqwest::blocking::get(args.get(1)?)? // ny times rss: https://feeds.simplecast.com/54nAGcIl
[INFO] [stdout]     | |                                                  ^ use `.ok_or(...)?` to provide an error compatible with `Result<(), Box<dyn std::error::Error>>`
[INFO] [stdout] ...   |
[INFO] [stdout] 155 | |     Ok(())
[INFO] [stdout] 156 | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<(), Box<dyn std::error::Error>>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rss-reader` due to 3 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7388d64f0142b7a2712730aede5252a49642e8cef306dd42c767b00a8dbae313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7388d64f0142b7a2712730aede5252a49642e8cef306dd42c767b00a8dbae313", kill_on_drop: false }`
[INFO] [stdout] 7388d64f0142b7a2712730aede5252a49642e8cef306dd42c767b00a8dbae313
