[INFO] cloning repository https://github.com/kirillt/ark-tagger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirillt/ark-tagger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirillt%2Fark-tagger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirillt%2Fark-tagger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd86d732fa4b6c344a87f6acc94f1dc3887950d
[INFO] testing kirillt/ark-tagger 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%2Fkirillt%2Fark-tagger" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirillt/ark-tagger 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/kirillt/ark-tagger
[INFO] finished tweaking git repo https://github.com/kirillt/ark-tagger
[INFO] tweaked toml for git repo https://github.com/kirillt/ark-tagger written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kirillt/ark-tagger 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ef591dfba2dc8e3794ec59573fe33a115ff30bbfb3c2a1f78910acba4d366498
[INFO] running `Command { std: "docker" "start" "-a" "ef591dfba2dc8e3794ec59573fe33a115ff30bbfb3c2a1f78910acba4d366498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef591dfba2dc8e3794ec59573fe33a115ff30bbfb3c2a1f78910acba4d366498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef591dfba2dc8e3794ec59573fe33a115ff30bbfb3c2a1f78910acba4d366498", kill_on_drop: false }`
[INFO] [stdout] ef591dfba2dc8e3794ec59573fe33a115ff30bbfb3c2a1f78910acba4d366498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f00b5b79546c63b38e97e7698b5fb8934e175fe21eb36a4ba3784faf6f83ade2
[INFO] running `Command { std: "docker" "start" "-a" "f00b5b79546c63b38e97e7698b5fb8934e175fe21eb36a4ba3784faf6f83ade2", 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] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling log v0.4.8
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[INFO] [stderr]    Compiling rustc-hash v1.1.0
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[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling clipboard_x11 v0.1.0
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.5.2
[INFO] [stderr]    Compiling peek-poke v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.5.0
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling wgpu-core v0.5.3
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling iced_futures v0.1.1 (https://github.com/hecrj/iced.git#edd01159)
[INFO] [stderr]    Compiling iced_native v0.2.1 (https://github.com/hecrj/iced.git#edd01159)
[INFO] [stderr]    Compiling wgpu-native v0.5.0
[INFO] [stderr]    Compiling wgpu v0.5.0
[INFO] [stderr]    Compiling wgpu_glyph v0.8.0
[INFO] [stderr]    Compiling iced_wgpu v0.2.1 (https://github.com/hecrj/iced.git#edd01159)
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling smithay-clipboard v0.3.7
[INFO] [stderr]    Compiling winit v0.22.1
[INFO] [stderr]    Compiling clipboard_wayland v0.1.0
[INFO] [stderr]    Compiling window_clipboard v0.1.1
[INFO] [stderr]    Compiling iced_winit v0.1.1 (https://github.com/hecrj/iced.git#edd01159)
[INFO] [stderr]    Compiling iced v0.1.1 (https://github.com/hecrj/iced.git#edd01159)
[INFO] [stderr]    Compiling ark-tagger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError`
[INFO] [stdout]  --> src/model/id.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::option::NoneError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `NoneError` in `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 method that returns `Result`
[INFO] [stdout]    --> src/model/id.rs:32:32
[INFO] [stdout]     |
[INFO] [stdout] 29  | /     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout] 30  | |         let mut parts = s.split('_');
[INFO] [stdout] 31  | |
[INFO] [stdout] 32  | |         let size = parts.next()?;
[INFO] [stdout]     | |                                ^ use `.ok_or(...)?` to provide an error compatible with `Result<Id, id::ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 38  | |         Ok(Id { size, hash })
[INFO] [stdout] 39  | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<Id, id::ParseError>`
[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 method that returns `Result`
[INFO] [stdout]    --> src/model/id.rs:35:32
[INFO] [stdout]     |
[INFO] [stdout] 29  | /     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout] 30  | |         let mut parts = s.split('_');
[INFO] [stdout] 31  | |
[INFO] [stdout] 32  | |         let size = parts.next()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |         let hash = parts.next()?;
[INFO] [stdout]     | |                                ^ use `.ok_or(...)?` to provide an error compatible with `Result<Id, id::ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 38  | |         Ok(Id { size, hash })
[INFO] [stdout] 39  | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<Id, id::ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ark-tagger` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "f00b5b79546c63b38e97e7698b5fb8934e175fe21eb36a4ba3784faf6f83ade2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00b5b79546c63b38e97e7698b5fb8934e175fe21eb36a4ba3784faf6f83ade2", kill_on_drop: false }`
[INFO] [stdout] f00b5b79546c63b38e97e7698b5fb8934e175fe21eb36a4ba3784faf6f83ade2
