[INFO] crate plotter 0.1.0 is already in cache
[INFO] extracting crate plotter 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/plotter/0.1.0
[INFO] extracting crate plotter 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/plotter/0.1.0
[INFO] validating manifest of plotter-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of plotter-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing plotter-0.1.0
[INFO] finished frobbing plotter-0.1.0
[INFO] frobbed toml for plotter-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/plotter/0.1.0/Cargo.toml
[INFO] started frobbing plotter-0.1.0
[INFO] finished frobbing plotter-0.1.0
[INFO] frobbed toml for plotter-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/plotter/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing plotter-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/plotter/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d4128d1cb9d48e18f7b1f0b7acac92c3cc41df5816ac04ea91dd4e7b6331dfae
[INFO] running `"docker" "start" "-a" "d4128d1cb9d48e18f7b1f0b7acac92c3cc41df5816ac04ea91dd4e7b6331dfae"`
[INFO] [stderr]    Compiling plotter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/plotter/mod.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         f: &Fn(f64) -> f64,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/plotter/mod.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn plot(&self, size: (u32, u32), name: &'static str, port: String, options: PlotOptions) {
[INFO] [stderr]    |                                          ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "d4128d1cb9d48e18f7b1f0b7acac92c3cc41df5816ac04ea91dd4e7b6331dfae"`
[INFO] running `"docker" "rm" "-f" "d4128d1cb9d48e18f7b1f0b7acac92c3cc41df5816ac04ea91dd4e7b6331dfae"`
[INFO] [stdout] d4128d1cb9d48e18f7b1f0b7acac92c3cc41df5816ac04ea91dd4e7b6331dfae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/plotter/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bb9bdd1ea904cb268a52b285a6a3f0e0bccc1d864a4218ca57d902d7de72a51d
[INFO] running `"docker" "start" "-a" "bb9bdd1ea904cb268a52b285a6a3f0e0bccc1d864a4218ca57d902d7de72a51d"`
[INFO] [stderr]    Compiling plotter v0.1.0 (/opt/crater/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] warning: unused import: `plotter::plotter`
[INFO] [stderr]  --> examples/basic.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use plotter::plotter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/plotter/mod.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         f: &Fn(f64) -> f64,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/plotter/mod.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn plot(&self, size: (u32, u32), name: &'static str, port: String, options: PlotOptions) {
[INFO] [stderr]    |                                          ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bb9bdd1ea904cb268a52b285a6a3f0e0bccc1d864a4218ca57d902d7de72a51d"`
[INFO] running `"docker" "rm" "-f" "bb9bdd1ea904cb268a52b285a6a3f0e0bccc1d864a4218ca57d902d7de72a51d"`
[INFO] [stdout] bb9bdd1ea904cb268a52b285a6a3f0e0bccc1d864a4218ca57d902d7de72a51d