[INFO] cloning repository https://github.com/dim0sh/burn_nannou_mnist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dim0sh/burn_nannou_mnist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdim0sh%2Fburn_nannou_mnist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdim0sh%2Fburn_nannou_mnist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d44b0987f3d4172ddf24b2f2f60d152e3cd9d92c
[INFO] checking dim0sh/burn_nannou_mnist/d44b0987f3d4172ddf24b2f2f60d152e3cd9d92c against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdim0sh%2Fburn_nannou_mnist" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dim0sh/burn_nannou_mnist on toolchain cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dim0sh/burn_nannou_mnist
[INFO] finished tweaking git repo https://github.com/dim0sh/burn_nannou_mnist
[INFO] tweaked toml for git repo https://github.com/dim0sh/burn_nannou_mnist written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dim0sh/burn_nannou_mnist 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" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.70
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "05d013f424beb1b8496f8779cc62da95e0b3c2ac27b3d261a9bc3962106f97c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d013f424beb1b8496f8779cc62da95e0b3c2ac27b3d261a9bc3962106f97c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d013f424beb1b8496f8779cc62da95e0b3c2ac27b3d261a9bc3962106f97c4", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31710dca8209119689de60c7d72644138696bf1d9376cec6cb4e6d1825ddf420
[INFO] running `Command { std: "docker" "start" "-a" "31710dca8209119689de60c7d72644138696bf1d9376cec6cb4e6d1825ddf420", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking r2d2 v0.8.10
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stdout] error[E0282]: type annotations needed for `Box<_>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/time-0.3.34/src/format_description/parse/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let items = format_items
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     Ok(items.into())
[INFO] [stdout]    |              ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is an inference error on crate `time` caused by an API change in Rust 1.80.0; update `time` to version `>=0.3.35` by calling `cargo update`
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking rmp v0.8.12
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[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
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[INFO] [stderr]     Checking tracing-core v0.1.32
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
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[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.30
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[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]     Checking ttf-parser v0.20.0
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[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `time` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "31710dca8209119689de60c7d72644138696bf1d9376cec6cb4e6d1825ddf420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31710dca8209119689de60c7d72644138696bf1d9376cec6cb4e6d1825ddf420", kill_on_drop: false }`
[INFO] [stdout] 31710dca8209119689de60c7d72644138696bf1d9376cec6cb4e6d1825ddf420