[INFO] fetching crate async-trait-ext 0.2.1...
[INFO] testing async-trait-ext-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate async-trait-ext 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate async-trait-ext 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate async-trait-ext 0.2.1
[INFO] tweaked toml for crates.io crate async-trait-ext 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-trait-ext 0.2.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding macro-input v0.1.0 (available: v0.3.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro-input-macros v0.1.0
[INFO] [stderr]   Downloaded macro-compose v0.1.0
[INFO] [stderr]   Downloaded macro-input-core v0.1.0
[INFO] [stderr]   Downloaded macro-input v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd40d3ce6676536808e9cd62230069a429aa2c49f0a4f04c404ffdb29ffada14
[INFO] running `Command { std: "docker" "start" "-a" "bd40d3ce6676536808e9cd62230069a429aa2c49f0a4f04c404ffdb29ffada14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd40d3ce6676536808e9cd62230069a429aa2c49f0a4f04c404ffdb29ffada14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd40d3ce6676536808e9cd62230069a429aa2c49f0a4f04c404ffdb29ffada14", kill_on_drop: false }`
[INFO] [stdout] bd40d3ce6676536808e9cd62230069a429aa2c49f0a4f04c404ffdb29ffada14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] fc048216c0ddfb50200560966ef9b202e63110da0add705f3638956d70e2d327
[INFO] running `Command { std: "docker" "start" "-a" "fc048216c0ddfb50200560966ef9b202e63110da0add705f3638956d70e2d327", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling macro-compose v0.1.0
[INFO] [stderr]    Compiling macro-input-core v0.1.0
[INFO] [stderr]    Compiling macro-input-macros v0.1.0
[INFO] [stderr]    Compiling macro-input v0.1.0
[INFO] [stderr]    Compiling async-trait-ext v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/methods/expand/poll.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PollMethodExpand<'a>(pub &'a ItemTrait);
[INFO] [stdout]   |            ----------------     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.55s
[INFO] running `Command { std: "docker" "inspect" "fc048216c0ddfb50200560966ef9b202e63110da0add705f3638956d70e2d327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc048216c0ddfb50200560966ef9b202e63110da0add705f3638956d70e2d327", kill_on_drop: false }`
[INFO] [stdout] fc048216c0ddfb50200560966ef9b202e63110da0add705f3638956d70e2d327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2981072714d33ad2b30d21472084609b076094053423067347934493e8ae828f
[INFO] running `Command { std: "docker" "start" "-a" "2981072714d33ad2b30d21472084609b076094053423067347934493e8ae828f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling async-trait-ext v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/methods/expand/poll.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PollMethodExpand<'a>(pub &'a ItemTrait);
[INFO] [stdout]   |            ----------------     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/methods/expand/poll.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PollMethodExpand<'a>(pub &'a ItemTrait);
[INFO] [stdout]   |            ----------------     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling macro-compose v0.1.0
[INFO] [stderr]    Compiling macro-input-core v0.1.0
[INFO] [stderr]    Compiling macro-input v0.1.0
[INFO] [stdout] warning: trait `FooExt` is never used
[INFO] [stdout]  --> tests/sync.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     trait Foo {
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: item does not constrain `FooBaz::{opaque#0}`
[INFO] [stdout]  --> tests/mut_pattern.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn test_mut_pattern() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider removing `#[define_opaque]` or adding an empty `#[define_opaque()]`
[INFO] [stdout] note: this opaque type is supposed to be constrained
[INFO] [stdout]  --> tests/mut_pattern.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[async_trait_ext(dynamic)]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]  --> tests/examples.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[async_trait_ext(dynamic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AsyncReadReadU8` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FooExt` is never used
[INFO] [stdout]  --> tests/visibility.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |         pub trait Foo {
[INFO] [stdout]   |                   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: item does not constrain `Foo2Baz::{opaque#0}`
[INFO] [stdout]   --> tests/mut_pattern.rs:4:4
[INFO] [stdout]    |
[INFO] [stdout] 4  | fn test_mut_pattern() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider removing `#[define_opaque]` or adding an empty `#[define_opaque()]`
[INFO] [stdout] note: this opaque type is supposed to be constrained
[INFO] [stdout]   --> tests/mut_pattern.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     #[async_trait_ext]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]   --> tests/examples.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[async_trait_ext]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadStaticReadUntil` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]   --> tests/examples.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | #[async_trait_ext(dynamic)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadDynamicReadUntil` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> tests/mut_pattern.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[async_trait_ext(dynamic)]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     expected future, found a different future
[INFO] [stdout]   |     expected `FooBaz<'_>` because of return type
[INFO] [stdout]   |
[INFO] [stdout]   = note: distinct uses of `impl Trait` result in different opaque types
[INFO] [stdout]   = note: this error originates in the attribute macro `async_trait_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> tests/examples.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[async_trait_ext(dynamic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | expected future, found a different future
[INFO] [stdout]   | expected `AsyncReadReadU8<'a>` because of return type
[INFO] [stdout]   |
[INFO] [stdout]   = note: distinct uses of `impl Trait` result in different opaque types
[INFO] [stdout]   = note: this error originates in the attribute macro `async_trait_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/mut_pattern.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     #[async_trait_ext]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     expected future, found `async` block
[INFO] [stdout]    |     expected `Foo2Baz<'_, __IMPL>` because of return type
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected opaque type `Foo2Baz<'_, __IMPL>`
[INFO] [stdout]             found `async` block `{async block@tests/mut_pattern.rs:18:5: 18:23}`
[INFO] [stdout] note: this item must have a `#[define_opaque(Foo2Baz)]` attribute to be able to define hidden types
[INFO] [stdout]   --> tests/mut_pattern.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |         async fn baz(&self, mut a: u32) -> u32 {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    = note: this error originates in the attribute macro `async_trait_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/examples.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[async_trait_ext]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | expected future, found `async` block
[INFO] [stdout]    | expected `ReadStaticReadUntil<'a, __IMPL>` because of return type
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected opaque type `ReadStaticReadUntil<'a, __IMPL>`
[INFO] [stdout]             found `async` block `{async block@tests/examples.rs:30:1: 30:19}`
[INFO] [stdout] note: this item must have a `#[define_opaque(ReadStaticReadUntil)]` attribute to be able to define hidden types
[INFO] [stdout]   --> tests/examples.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |     async fn read_until<'a>(&'a mut self, byte: u8, mut buf: &'a mut [u8]) -> Result<usize> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    = note: this error originates in the attribute macro `async_trait_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/examples.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | #[async_trait_ext(dynamic)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | expected future, found a different future
[INFO] [stdout]    | expected `ReadDynamicReadUntil<'a>` because of return type
[INFO] [stdout]    |
[INFO] [stdout]    = note: distinct uses of `impl Trait` result in different opaque types
[INFO] [stdout]    = note: this error originates in the attribute macro `async_trait_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-trait-ext` (test "mut_pattern") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `async-trait-ext` (test "examples") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "2981072714d33ad2b30d21472084609b076094053423067347934493e8ae828f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2981072714d33ad2b30d21472084609b076094053423067347934493e8ae828f", kill_on_drop: false }`
[INFO] [stdout] 2981072714d33ad2b30d21472084609b076094053423067347934493e8ae828f