[INFO] fetching crate jupyter-types 0.0.2...
[INFO] checking jupyter-types-0.0.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate jupyter-types 0.0.2 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jupyter-types 0.0.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.6)
[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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.14.0
[INFO] [stderr]   Downloaded pex v0.0.8
[INFO] [stderr]   Downloaded latexify v0.1.0
[INFO] [stderr]   Downloaded mathml-latex v0.0.3
[INFO] [stderr]   Downloaded mathml-core v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488b016deca18ab92070be43c494473cb4e789b9d89f7e013aa89f63feb017b7
[INFO] running `Command { std: "docker" "start" "-a" "488b016deca18ab92070be43c494473cb4e789b9d89f7e013aa89f63feb017b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488b016deca18ab92070be43c494473cb4e789b9d89f7e013aa89f63feb017b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488b016deca18ab92070be43c494473cb4e789b9d89f7e013aa89f63feb017b7", kill_on_drop: false }`
[INFO] [stdout] 488b016deca18ab92070be43c494473cb4e789b9d89f7e013aa89f63feb017b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50534c16fa7ac0d7f97fd286920dcdf10db27aa7d49767d52dd1d5d5bbe8972
[INFO] running `Command { std: "docker" "start" "-a" "e50534c16fa7ac0d7f97fd286920dcdf10db27aa7d49767d52dd1d5d5bbe8972", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking 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] running `Command { std: "docker" "inspect" "e50534c16fa7ac0d7f97fd286920dcdf10db27aa7d49767d52dd1d5d5bbe8972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50534c16fa7ac0d7f97fd286920dcdf10db27aa7d49767d52dd1d5d5bbe8972", kill_on_drop: false }`
[INFO] [stdout] e50534c16fa7ac0d7f97fd286920dcdf10db27aa7d49767d52dd1d5d5bbe8972