[INFO] fetching crate jupyter-types 0.0.2...
[INFO] testing jupyter-types-0.0.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate jupyter-types 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate jupyter-types 0.0.2
[INFO] finished tweaking crates.io crate jupyter-types 0.0.2
[INFO] tweaked toml for crates.io crate jupyter-types 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jupyter-types 0.0.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.8)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] [stderr]       Adding svg v0.14.0 (available: v0.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34fd32ea138fb490047511b6ea36558fd426d852469e7051854ebb7d1758e6fb
[INFO] running `Command { std: "docker" "start" "-a" "34fd32ea138fb490047511b6ea36558fd426d852469e7051854ebb7d1758e6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34fd32ea138fb490047511b6ea36558fd426d852469e7051854ebb7d1758e6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fd32ea138fb490047511b6ea36558fd426d852469e7051854ebb7d1758e6fb", kill_on_drop: false }`
[INFO] [stdout] 34fd32ea138fb490047511b6ea36558fd426d852469e7051854ebb7d1758e6fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8236785f43f31203e3d7b9a125a6f639367a4cbec1e879cb5de834cb32a67cf
[INFO] running `Command { std: "docker" "start" "-a" "d8236785f43f31203e3d7b9a125a6f639367a4cbec1e879cb5de834cb32a67cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling jupyter-types v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "d8236785f43f31203e3d7b9a125a6f639367a4cbec1e879cb5de834cb32a67cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8236785f43f31203e3d7b9a125a6f639367a4cbec1e879cb5de834cb32a67cf", kill_on_drop: false }`
[INFO] [stdout] d8236785f43f31203e3d7b9a125a6f639367a4cbec1e879cb5de834cb32a67cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6547c262bd9f81d418160ddc17264821f75775e2aad7b343dcb90da9c9d52276
[INFO] running `Command { std: "docker" "start" "-a" "6547c262bd9f81d418160ddc17264821f75775e2aad7b343dcb90da9c9d52276", kill_on_drop: false }`
[INFO] [stderr]    Compiling jupyter-types v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `calculator`
[INFO] [stdout]  --> tests/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use calculator::{Evaluator, Printer, SqrtAlgebra};
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `calculator`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `calculator`, use `cargo add calculator` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jupyter-types` (test "main") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6547c262bd9f81d418160ddc17264821f75775e2aad7b343dcb90da9c9d52276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6547c262bd9f81d418160ddc17264821f75775e2aad7b343dcb90da9c9d52276", kill_on_drop: false }`
[INFO] [stdout] 6547c262bd9f81d418160ddc17264821f75775e2aad7b343dcb90da9c9d52276