[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirillt%2Fark-tagger" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirillt/ark-tagger on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/hecrj/iced.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded parking_lot_core v0.7.1
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[INFO] [stderr]   Downloaded dodrio v0.1.0
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[INFO] [stderr]   Downloaded svg_fmt v0.2.1
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[INFO] [stderr]   Downloaded gfx-backend-empty v0.5.0
[INFO] [stderr]   Downloaded cocoa v0.20.0
[INFO] [stderr]   Downloaded wgpu_glyph v0.8.0
[INFO] [stderr]   Downloaded smithay-clipboard v0.3.7
[INFO] [stderr]   Downloaded winit v0.22.1
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.5.0
[INFO] [stderr]   Downloaded zerocopy v0.3.0
[INFO] [stderr]   Downloaded wgpu-types v0.5.0
[INFO] [stderr]   Downloaded glam v0.8.6
[INFO] [stderr]   Downloaded d3d12 v0.3.0
[INFO] [stderr]   Downloaded metal v0.18.0
[INFO] [stderr]   Downloaded gfx-auxil v0.3.0
[INFO] [stderr]   Downloaded guillotiere v0.4.4
[INFO] [stderr]   Downloaded gfx-backend-metal v0.5.1
[INFO] [stderr]   Downloaded spirv_cross v0.18.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.5.2
[INFO] [stderr]   Downloaded ash v0.30.0
[INFO] [stderr]   Downloaded wgpu-core v0.5.3
[INFO] [stderr]   Downloaded clipboard_x11 v0.1.0
[INFO] [stderr]   Downloaded wgpu-native v0.5.0
[INFO] [stderr]   Downloaded clipboard_wayland v0.1.0
[INFO] [stderr]   Downloaded core-video-sys v0.1.3
[INFO] [stderr]   Downloaded window_clipboard v0.1.1
[INFO] [stderr]   Downloaded gfx-hal v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63faf075c4b203a0e0d5047f6718c0789b843fbde9378690d5f5463332417006
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63faf075c4b203a0e0d5047f6718c0789b843fbde9378690d5f5463332417006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63faf075c4b203a0e0d5047f6718c0789b843fbde9378690d5f5463332417006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63faf075c4b203a0e0d5047f6718c0789b843fbde9378690d5f5463332417006", kill_on_drop: false }`
[INFO] [stdout] 63faf075c4b203a0e0d5047f6718c0789b843fbde9378690d5f5463332417006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 296452f2456f2f4ef67503285827eb30ce15e84f67da24bf6451306349a3c649
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "296452f2456f2f4ef67503285827eb30ce15e84f67da24bf6451306349a3c649", kill_on_drop: false }`
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[INFO] [stderr]    Compiling linked-hash-map v0.5.2
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[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling downcast-rs v1.1.1
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[INFO] [stderr]    Compiling arrayvec v0.4.12
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[INFO] [stderr]    Compiling rand_chacha v0.2.2
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[INFO] [stderr]    Compiling parking_lot v0.10.2
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[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling glyph_brush_layout v0.1.9
[INFO] [stderr]    Compiling andrew v0.2.1
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[INFO] [stderr]    Compiling gfx-descriptor v0.1.0
[INFO] [stderr]    Compiling gfx-backend-empty v0.5.0
[INFO] [stderr]    Compiling glyph_brush v0.6.3
[INFO] [stderr]    Compiling lyon_path v0.14.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
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[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling euclid v0.19.9
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling guillotiere v0.4.4
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
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[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling clipboard_x11 v0.1.0
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[INFO] [stderr]    Compiling peek-poke v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.5.0
[INFO] [stderr]    Compiling futures-util v0.3.4
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[INFO] [stderr]    Compiling wgpu-core v0.5.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[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 smithay-clipboard v0.3.7
[INFO] [stderr]    Compiling winit v0.22.1
[INFO] [stderr]    Compiling iced_native v0.2.1 (https://github.com/hecrj/iced.git#edd01159)
[INFO] [stderr]    Compiling clipboard_wayland v0.1.0
[INFO] [stderr]    Compiling window_clipboard v0.1.1
[INFO] [stderr]    Compiling wgpu-native v0.5.0
[INFO] [stderr]    Compiling iced_winit v0.1.1 (https://github.com/hecrj/iced.git#edd01159)
[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 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[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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ark-tagger`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "296452f2456f2f4ef67503285827eb30ce15e84f67da24bf6451306349a3c649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296452f2456f2f4ef67503285827eb30ce15e84f67da24bf6451306349a3c649", kill_on_drop: false }`
[INFO] [stdout] 296452f2456f2f4ef67503285827eb30ce15e84f67da24bf6451306349a3c649