[INFO] fetching crate sierra-proc-demo 0.2.0...
[INFO] testing sierra-proc-demo-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sierra-proc-demo 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate sierra-proc-demo 0.2.0
[INFO] finished tweaking crates.io crate sierra-proc-demo 0.2.0
[INFO] tweaked toml for crates.io crate sierra-proc-demo 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sierra-proc-demo 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sierra-proc-demo 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d3c15431d666d906c51e08b66c84235df59105afe6c09515473df139047f42d
[INFO] running `Command { std: "docker" "start" "-a" "2d3c15431d666d906c51e08b66c84235df59105afe6c09515473df139047f42d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `OutOfMemory`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sierra-0.2.0/src/backend/vulkan/device.rs:2085:51
[INFO] [stdout]      |
[INFO] [stdout] 2085 |             .ok_or_else(host_memory_space_overlow)?;
[INFO] [stdout]      |              -------------------------------------^ the trait `From<!>` is not implemented for `OutOfMemory`
[INFO] [stdout]      |              |
[INFO] [stdout]      |              this can't be annotated with `?` because it has type `Result<_, !>`
[INFO] [stdout]      |
[INFO] [stdout] note: `OutOfMemory` needs to implement `From<!>`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sierra-0.2.0/src/lib.rs:231:1
[INFO] [stdout]      |
[INFO] [stdout]  231 | pub struct OutOfMemory;
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sierra` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2f7c99fbddb36b8ffad289903b0c365eccc6f4a3796c424214f72c86992da49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7c99fbddb36b8ffad289903b0c365eccc6f4a3796c424214f72c86992da49a", kill_on_drop: false }`
[INFO] [stdout] 2f7c99fbddb36b8ffad289903b0c365eccc6f4a3796c424214f72c86992da49a
