[INFO] crate plotter 0.1.0 is already in cache
[INFO] checking plotter-0.1.0 against nightly-2019-10-27 for pr-65897
[INFO] extracting crate plotter 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate plotter 0.1.0 on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate plotter 0.1.0
[INFO] finished tweaking crates.io crate plotter 0.1.0
[INFO] tweaked toml for crates.io crate plotter 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12220c6457d132c499c72009dea13f2f16b9080a3db312b60edb70dea96c4f38
[INFO] running `"docker" "start" "-a" "12220c6457d132c499c72009dea13f2f16b9080a3db312b60edb70dea96c4f38"`
[INFO] [stderr]     Checking plotter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0254]: the name `plotter` is defined multiple times
[INFO] [stderr]  --> examples/basic.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate plotter;
[INFO] [stderr]   | --------------------- previous import of the extern crate `plotter` here
[INFO] [stderr] 2 | 
[INFO] [stderr] 3 | use plotter::plotter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ `plotter` reimported here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `plotter` must be defined only once in the type namespace of this module
[INFO] [stderr] help: you can use `as` to change the binding name of the import
[INFO] [stderr]   |
[INFO] [stderr] 3 | use plotter::plotter as other_plotter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Dataset` in `plotter`
[INFO] [stderr]  --> examples/basic.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut data = plotter::Dataset::from_fn(&func, (-10.0, 10.0), 1.0, None);
[INFO] [stderr]   |                             ^^^^^^^ could not find `Dataset` in `plotter`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Dataset` in `plotter`
[INFO] [stderr]  --> examples/basic.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let other = plotter::Dataset::from_fn(&o, (-10.0, 10.0), 1.0, None);
[INFO] [stderr]   |                          ^^^^^^^ could not find `Dataset` in `plotter`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Plotter` in `plotter`
[INFO] [stderr]   --> examples/basic.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let app = plotter::Plotter::new(data);
[INFO] [stderr]    |                        ^^^^^^^ could not find `Plotter` in `plotter`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `PlotOptions` in `plotter`
[INFO] [stderr]   --> examples/basic.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let opt = plotter::PlotOptions::new()
[INFO] [stderr]    |                        ^^^^^^^^^^^ could not find `PlotOptions` in `plotter`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0254, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0254`.
[INFO] [stderr] error: could not compile `plotter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "12220c6457d132c499c72009dea13f2f16b9080a3db312b60edb70dea96c4f38"`
[INFO] running `"docker" "rm" "-f" "12220c6457d132c499c72009dea13f2f16b9080a3db312b60edb70dea96c4f38"`
[INFO] [stdout] 12220c6457d132c499c72009dea13f2f16b9080a3db312b60edb70dea96c4f38