[INFO] fetching crate plotter 0.1.0...
[INFO] testing plotter-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate plotter 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate plotter 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3116eaf157b20e36b94a373a30ce32e2f0977bf0bc499892461a31841a102bd
[INFO] running `Command { std: "docker" "start" "-a" "b3116eaf157b20e36b94a373a30ce32e2f0977bf0bc499892461a31841a102bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3116eaf157b20e36b94a373a30ce32e2f0977bf0bc499892461a31841a102bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3116eaf157b20e36b94a373a30ce32e2f0977bf0bc499892461a31841a102bd", kill_on_drop: false }`
[INFO] [stdout] b3116eaf157b20e36b94a373a30ce32e2f0977bf0bc499892461a31841a102bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ce590be6e21e108660ffbb61c21bd33e9cf0d36b008884037a9136e28437e47
[INFO] running `Command { std: "docker" "start" "-a" "5ce590be6e21e108660ffbb61c21bd33e9cf0d36b008884037a9136e28437e47", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plotter/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         f: &Fn(f64) -> f64,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 -         f: &Fn(f64) -> f64,
[INFO] [stdout] 115 +         f: &dyn Fn(f64) -> f64,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/plotter/mod.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn plot(&self, size: (u32, u32), name: &'static str, port: String, options: PlotOptions) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "5ce590be6e21e108660ffbb61c21bd33e9cf0d36b008884037a9136e28437e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce590be6e21e108660ffbb61c21bd33e9cf0d36b008884037a9136e28437e47", kill_on_drop: false }`
[INFO] [stdout] 5ce590be6e21e108660ffbb61c21bd33e9cf0d36b008884037a9136e28437e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e96e07ee071e4e029382faa63190cfcdae6d1399f00d1e6cdfc0fd34c441eae5
[INFO] running `Command { std: "docker" "start" "-a" "e96e07ee071e4e029382faa63190cfcdae6d1399f00d1e6cdfc0fd34c441eae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plotter/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         f: &Fn(f64) -> f64,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 -         f: &Fn(f64) -> f64,
[INFO] [stdout] 115 +         f: &dyn Fn(f64) -> f64,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/plotter/mod.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn plot(&self, size: (u32, u32), name: &'static str, port: String, options: PlotOptions) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0254]: the name `plotter` is defined multiple times
[INFO] [stdout]  --> examples/basic.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate plotter;
[INFO] [stdout]   | --------------------- previous import of the extern crate `plotter` here
[INFO] [stdout] 2 | 
[INFO] [stdout] 3 | use plotter::plotter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ `plotter` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `plotter` must be defined only once in the type namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]   |
[INFO] [stdout] 3 | use plotter::plotter as other_plotter;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Dataset` in `plotter`
[INFO] [stdout]  --> examples/basic.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut data = plotter::Dataset::from_fn(&func, (-10.0, 10.0), 1.0, None);
[INFO] [stdout]   |                             ^^^^^^^ not found in `plotter`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 | use plotter::plotter::Dataset;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Dataset` in `plotter`
[INFO] [stdout]  --> examples/basic.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let other = plotter::Dataset::from_fn(&o, (-10.0, 10.0), 1.0, None);
[INFO] [stdout]   |                          ^^^^^^^ not found in `plotter`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 | use plotter::plotter::Dataset;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Plotter` in `plotter`
[INFO] [stdout]   --> examples/basic.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let app = plotter::Plotter::new(data);
[INFO] [stdout]    |                        ^^^^^^^ not found in `plotter`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 3  | use plotter::plotter::Plotter;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PlotOptions` in `plotter`
[INFO] [stdout]   --> examples/basic.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let opt = plotter::PlotOptions::new()
[INFO] [stdout]    |                        ^^^^^^^^^^^ not found in `plotter`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 3  | use plotter::plotter::PlotOptions;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `plotter::plotter`
[INFO] [stdout]  --> examples/basic.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use plotter::plotter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0254, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0254`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plotter` due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plotter/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         f: &Fn(f64) -> f64,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 -         f: &Fn(f64) -> f64,
[INFO] [stdout] 115 +         f: &dyn Fn(f64) -> f64,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/plotter/mod.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn plot(&self, size: (u32, u32), name: &'static str, port: String, options: PlotOptions) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e96e07ee071e4e029382faa63190cfcdae6d1399f00d1e6cdfc0fd34c441eae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96e07ee071e4e029382faa63190cfcdae6d1399f00d1e6cdfc0fd34c441eae5", kill_on_drop: false }`
[INFO] [stdout] e96e07ee071e4e029382faa63190cfcdae6d1399f00d1e6cdfc0fd34c441eae5