[INFO] fetching crate coreml-native 0.2.0...
[INFO] testing coreml-native-0.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate coreml-native 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate coreml-native 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate coreml-native 0.2.0
[INFO] tweaked toml for crates.io crate coreml-native 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate coreml-native 0.2.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate coreml-native 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objc2-core-ml v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7
[INFO] running `Command { std: "docker" "start" "7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling coreml-native v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/model_async.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::async_bridge::{self, CompletionFuture};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `completion_channel` is never used
[INFO] [stdout]   --> src/async_bridge.rs:91:15
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub(crate) fn completion_channel<T: Send>() -> (CompletionSender<T>, CompletionFuture<T>) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompletionSender` is never constructed
[INFO] [stdout]    --> src/async_bridge.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub(crate) struct CompletionSender<T> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send` is never used
[INFO] [stdout]    --> src/async_bridge.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | impl<T: Send> CompletionSender<T> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 121 |     /// Send the completion result, waking the future if it's being polled.
[INFO] [stdout] 122 |     pub fn send(self, value: Result<T>) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `datatype_to_ml` is never used
[INFO] [stdout]   --> src/ffi.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) fn datatype_to_ml(dt: DataType) -> isize {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ml_to_datatype` is never used
[INFO] [stdout]   --> src/ffi.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub(crate) fn ml_to_datatype(raw: isize) -> Option<DataType> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/model_async.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::async_bridge::{self, CompletionFuture};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `completion_channel` is never used
[INFO] [stdout]   --> src/async_bridge.rs:91:15
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub(crate) fn completion_channel<T: Send>() -> (CompletionSender<T>, CompletionFuture<T>) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompletionSender` is never constructed
[INFO] [stdout]    --> src/async_bridge.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub(crate) struct CompletionSender<T> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send` is never used
[INFO] [stdout]    --> src/async_bridge.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | impl<T: Send> CompletionSender<T> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 121 |     /// Send the completion result, waking the future if it's being polled.
[INFO] [stdout] 122 |     pub fn send(self, value: Result<T>) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `datatype_to_ml` is never used
[INFO] [stdout]   --> src/ffi.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) fn datatype_to_ml(dt: DataType) -> isize {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ml_to_datatype` is never used
[INFO] [stdout]   --> src/ffi.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub(crate) fn ml_to_datatype(raw: isize) -> Option<DataType> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling coreml-native v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/model_async.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::async_bridge::{self, CompletionFuture};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `CompletionFuture<std::path::PathBuf>` doesn't implement `Debug`
[INFO] [stdout]    --> src/compile.rs:130:68
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let err = super::compile_model_async("/tmp/model.mlmodel").unwrap_err();
[INFO] [stdout]     |                                                                    ^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `Debug` is not implemented for `CompletionFuture<std::path::PathBuf>`
[INFO] [stdout]    --> src/async_bridge.rs:24:1
[INFO] [stdout]     |
[INFO] [stdout]  24 | pub struct CompletionFuture<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: add `#[derive(Debug)]` to `CompletionFuture<std::path::PathBuf>` or manually `impl Debug for CompletionFuture<std::path::PathBuf>`
[INFO] [stdout] note: required by a bound in `std::result::Result::<T, E>::unwrap_err`
[INFO] [stdout]    --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/result.rs:1323:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `CompletionFuture<Model>` doesn't implement `Debug`
[INFO] [stdout]    --> src/model_async.rs:310:78
[INFO] [stdout]     |
[INFO] [stdout] 310 |         let err = Model::load_async("/tmp/fake.mlmodelc", ComputeUnits::All).unwrap_err();
[INFO] [stdout]     |                                                                              ^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `Debug` is not implemented for `CompletionFuture<Model>`
[INFO] [stdout]    --> src/async_bridge.rs:24:1
[INFO] [stdout]     |
[INFO] [stdout]  24 | pub struct CompletionFuture<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: add `#[derive(Debug)]` to `CompletionFuture<Model>` or manually `impl Debug for CompletionFuture<Model>`
[INFO] [stdout] note: required by a bound in `std::result::Result::<T, E>::unwrap_err`
[INFO] [stdout]    --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/result.rs:1323:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `CompletionFuture<Model>` doesn't implement `Debug`
[INFO] [stdout]    --> src/model_async.rs:317:73
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let err = Model::load_from_bytes(&[0u8; 10], ComputeUnits::All).unwrap_err();
[INFO] [stdout]     |                                                                         ^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `Debug` is not implemented for `CompletionFuture<Model>`
[INFO] [stdout]    --> src/async_bridge.rs:24:1
[INFO] [stdout]     |
[INFO] [stdout]  24 | pub struct CompletionFuture<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: add `#[derive(Debug)]` to `CompletionFuture<Model>` or manually `impl Debug for CompletionFuture<Model>`
[INFO] [stdout] note: required by a bound in `std::result::Result::<T, E>::unwrap_err`
[INFO] [stdout]    --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/result.rs:1323:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coreml-native` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7", kill_on_drop: false }`
[INFO] [stdout] 7b67c12884829889737de5a21eab7e2f98d42bcc22bb529918b97712e9f7bae7
