[INFO] fetching crate decide 0.1.1...
[INFO] testing decide-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate decide 0.1.1 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate decide 0.1.1 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 crates.io crate decide 0.1.1
[INFO] finished tweaking crates.io crate decide 0.1.1
[INFO] tweaked toml for crates.io crate decide 0.1.1 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate crates.io crate decide 0.1.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cmd_lib v0.7.8
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 708f6a2485a32f9dc015d7c6cffb9dbddca0b845eaed04012e8a47c3c5cfb1ef
[INFO] running `Command { std: "docker" "start" "-a" "708f6a2485a32f9dc015d7c6cffb9dbddca0b845eaed04012e8a47c3c5cfb1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "708f6a2485a32f9dc015d7c6cffb9dbddca0b845eaed04012e8a47c3c5cfb1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708f6a2485a32f9dc015d7c6cffb9dbddca0b845eaed04012e8a47c3c5cfb1ef", kill_on_drop: false }`
[INFO] [stdout] 708f6a2485a32f9dc015d7c6cffb9dbddca0b845eaed04012e8a47c3c5cfb1ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] b8bd67f1087a743b36b57dd1a91435a991f1360c92260e6e1734dae8d3c30d18
[INFO] running `Command { std: "docker" "start" "-a" "b8bd67f1087a743b36b57dd1a91435a991f1360c92260e6e1734dae8d3c30d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling cmd_lib v0.7.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling decide v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/error.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl From<std::option::NoneError> for Error {
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/error.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn from(_: std::option::NoneError) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[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/commands.rs:9:57
[INFO] [stdout]     |
[INFO] [stdout] 8   | / pub fn edit(matches: &ArgMatches, storage: &mut Storage) -> Result<(), Error> {
[INFO] [stdout] 9   | |     let old_name = String::from(matches.value_of("name")?);
[INFO] [stdout]     | |                                                         ^ use `.ok_or(...)?` to provide an error compatible with `Result<(), error::Error>`
[INFO] [stdout] 10  | |     storage.projects.iter_mut().for_each(|p| {
[INFO] [stdout] 11  | |         if p.name == old_name {
[INFO] [stdout] ...   |
[INFO] [stdout] 24  | |     Ok(())
[INFO] [stdout] 25  | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<(), 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/commands.rs:32:50
[INFO] [stdout]     |
[INFO] [stdout] 27  | / pub fn decide(matches: &ArgMatches, storage: &mut Storage) -> Result<(), Error> {
[INFO] [stdout] 28  | |     if storage.projects.is_empty() {
[INFO] [stdout] 29  | |         println!("you have nothing to work on :( / :)");
[INFO] [stdout] 30  | |     } else {
[INFO] [stdout] 31  | |         let index = rand::thread_rng().gen_range(0, storage.projects.len());
[INFO] [stdout] 32  | |         let project = storage.projects.get(index)?;
[INFO] [stdout]     | |                                                  ^ use `.ok_or(...)?` to provide an error compatible with `Result<(), error::Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 47  | |     Ok(())
[INFO] [stdout] 48  | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<(), 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/commands.rs:51:61
[INFO] [stdout]     |
[INFO] [stdout] 50  | / pub fn new(matches: &ArgMatches, storage: &mut Storage) -> Result<(), Error> {
[INFO] [stdout] 51  | |     let project_name = String::from(matches.value_of("NAME")?);
[INFO] [stdout]     | |                                                             ^ use `.ok_or(...)?` to provide an error compatible with `Result<(), error::Error>`
[INFO] [stdout] 52  | |     if storage.projects.iter().any(|p| p.name == project_name) {
[INFO] [stdout] 53  | |         println!("the project {} already exists", project_name);
[INFO] [stdout] ...   |
[INFO] [stdout] 62  | |     Ok(())
[INFO] [stdout] 63  | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<(), 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/commands.rs:66:61
[INFO] [stdout]     |
[INFO] [stdout] 65  | / pub fn remove(matches: &ArgMatches, storage: &mut Storage) -> Result<(), Error> {
[INFO] [stdout] 66  | |     let project_name = String::from(matches.value_of("NAME")?);
[INFO] [stdout]     | |                                                             ^ use `.ok_or(...)?` to provide an error compatible with `Result<(), error::Error>`
[INFO] [stdout] 67  | |     let mut found = false;
[INFO] [stdout] 68  | |     storage.projects.retain(|x| {
[INFO] [stdout] ...   |
[INFO] [stdout] 79  | |     Ok(())
[INFO] [stdout] 80  | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<(), error::Error>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `decide` due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "b8bd67f1087a743b36b57dd1a91435a991f1360c92260e6e1734dae8d3c30d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8bd67f1087a743b36b57dd1a91435a991f1360c92260e6e1734dae8d3c30d18", kill_on_drop: false }`
[INFO] [stdout] b8bd67f1087a743b36b57dd1a91435a991f1360c92260e6e1734dae8d3c30d18
