[INFO] cloning repository https://github.com/jackdarlison/MNIST-burn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackdarlison/MNIST-burn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackdarlison%2FMNIST-burn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackdarlison%2FMNIST-burn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d19aa7afda78649c69b36e0f462c58c19cca86d
[INFO] checking jackdarlison/MNIST-burn against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackdarlison%2FMNIST-burn" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackdarlison/MNIST-burn on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jackdarlison/MNIST-burn
[INFO] finished tweaking git repo https://github.com/jackdarlison/MNIST-burn
[INFO] tweaked toml for git repo https://github.com/jackdarlison/MNIST-burn written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jackdarlison/MNIST-burn 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking jackdarlison/MNIST-burn against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackdarlison%2FMNIST-burn" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackdarlison/MNIST-burn on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jackdarlison/MNIST-burn
[INFO] finished tweaking git repo https://github.com/jackdarlison/MNIST-burn
[INFO] tweaked toml for git repo https://github.com/jackdarlison/MNIST-burn written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jackdarlison/MNIST-burn 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded burn v0.12.1
[INFO] [stderr]   Downloaded text_placeholder v0.5.0
[INFO] [stderr]   Downloaded burn-train v0.12.1
[INFO] [stderr]   Downloaded burn-candle v0.12.1
[INFO] [stderr]   Downloaded burn-ndarray v0.12.1
[INFO] [stderr]   Downloaded burn-tch v0.12.1
[INFO] [stderr]   Downloaded gix-trace v0.1.7
[INFO] [stderr]   Downloaded burn-fusion v0.12.1
[INFO] [stderr]   Downloaded burn-autodiff v0.12.1
[INFO] [stderr]   Downloaded burn-dataset v0.12.1
[INFO] [stderr]   Downloaded burn-tensor v0.12.1
[INFO] [stderr]   Downloaded burn-wgpu v0.12.1
[INFO] [stderr]   Downloaded burn-derive v0.12.1
[INFO] [stderr]   Downloaded burn-compute v0.12.1
[INFO] [stderr]   Downloaded burn-common v0.12.1
[INFO] [stderr]   Downloaded candle-core v0.3.3
[INFO] [stderr]   Downloaded burn-core v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be1ed0b63c6e0a72b52d3b51f397848911bad02d1d2d5ceda9bacf5017e5e06d
[INFO] running `Command { std: "docker" "start" "-a" "be1ed0b63c6e0a72b52d3b51f397848911bad02d1d2d5ceda9bacf5017e5e06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be1ed0b63c6e0a72b52d3b51f397848911bad02d1d2d5ceda9bacf5017e5e06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1ed0b63c6e0a72b52d3b51f397848911bad02d1d2d5ceda9bacf5017e5e06d", kill_on_drop: false }`
[INFO] [stdout] be1ed0b63c6e0a72b52d3b51f397848911bad02d1d2d5ceda9bacf5017e5e06d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90fef79ffdf8b4419c9670795b80967dcdd72a5620c22ca143bce33e9c7a4446
[INFO] running `Command { std: "docker" "start" "-a" "90fef79ffdf8b4419c9670795b80967dcdd72a5620c22ca143bce33e9c7a4446", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling cc v1.0.89
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.27.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking gpu-alloc-types v0.3.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.2
[INFO] [stderr]     Checking libloading v0.8.2
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking gpu-alloc v0.6.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking wgpu-types v0.18.0
[INFO] [stderr]     Checking renderdoc-sys v1.1.0
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking profiling v1.0.15
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking glow v0.13.1
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking gix-trace v0.1.7
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling derive-new v0.6.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.7
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]     Checking r2d2 v0.8.10
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stdout] error[E0282]: type annotations needed for `Box<_>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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] help: consider giving `items` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let items: Box<_> = format_items
[INFO] [stdout]    |              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `time` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "90fef79ffdf8b4419c9670795b80967dcdd72a5620c22ca143bce33e9c7a4446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90fef79ffdf8b4419c9670795b80967dcdd72a5620c22ca143bce33e9c7a4446", kill_on_drop: false }`
[INFO] [stdout] 90fef79ffdf8b4419c9670795b80967dcdd72a5620c22ca143bce33e9c7a4446