[INFO] fetching crate generator_extensions 0.1.1...
[INFO] checking generator_extensions-0.1.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate generator_extensions 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate generator_extensions 0.1.1
[INFO] finished tweaking crates.io crate generator_extensions 0.1.1
[INFO] tweaked toml for crates.io crate generator_extensions 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate generator_extensions 0.1.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b6f1a966dc51ce5cd7b0f9602ffb62f16c4b74b1edc30591bf0bbfaa3a411b6
[INFO] running `Command { std: "docker" "start" "-a" "2b6f1a966dc51ce5cd7b0f9602ffb62f16c4b74b1edc30591bf0bbfaa3a411b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b6f1a966dc51ce5cd7b0f9602ffb62f16c4b74b1edc30591bf0bbfaa3a411b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6f1a966dc51ce5cd7b0f9602ffb62f16c4b74b1edc30591bf0bbfaa3a411b6", kill_on_drop: false }`
[INFO] [stdout] 2b6f1a966dc51ce5cd7b0f9602ffb62f16c4b74b1edc30591bf0bbfaa3a411b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f35d287af120269e9d37f261d873b5643a2c221e75741ff85f1c265c49a7104b
[INFO] running `Command { std: "docker" "start" "-a" "f35d287af120269e9d37f261d873b5643a2c221e75741ff85f1c265c49a7104b", kill_on_drop: false }`
[INFO] [stderr]     Checking generator_extensions v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState`
[INFO] [stdout]   --> src/gen.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use core::ops::{Generator, GeneratorState};
[INFO] [stdout]    |                 ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState`
[INFO] [stdout]  --> src/iter.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use core::ops::{Generator, GeneratorState};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState`
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub use core::ops::{Generator, GeneratorState};
[INFO] [stdout]    |                     ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(generator_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState`
[INFO] [stdout]   --> src/gen.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use core::ops::{Generator, GeneratorState};
[INFO] [stdout]    |                 ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Yield` not found for `G`
[INFO] [stdout]   --> src/gen.rs:58:46
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn expect_yield(&mut self, arg: R) -> G::Yield {
[INFO] [stdout]    |                                              ^^^^^ associated type `Yield` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Return` not found for `G`
[INFO] [stdout]   --> src/gen.rs:69:49
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn expect_complete(&mut self, arg: R) -> G::Return {
[INFO] [stdout]    |                                                 ^^^^^^ associated type `Return` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState`
[INFO] [stdout]  --> src/iter.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use core::ops::{Generator, GeneratorState};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::ops::GeneratorState`
[INFO] [stdout]  --> src/tests.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::ops::GeneratorState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState`
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub use core::ops::{Generator, GeneratorState};
[INFO] [stdout]    |                     ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(generator_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Yield` not found for `G`
[INFO] [stdout]   --> src/gen.rs:58:46
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn expect_yield(&mut self, arg: R) -> G::Yield {
[INFO] [stdout]    |                                              ^^^^^ associated type `Yield` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Return` not found for `G`
[INFO] [stdout]   --> src/gen.rs:69:49
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn expect_complete(&mut self, arg: R) -> G::Return {
[INFO] [stdout]    |                                                 ^^^^^^ associated type `Return` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generator_extensions` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0220, E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generator_extensions` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "f35d287af120269e9d37f261d873b5643a2c221e75741ff85f1c265c49a7104b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35d287af120269e9d37f261d873b5643a2c221e75741ff85f1c265c49a7104b", kill_on_drop: false }`
[INFO] [stdout] f35d287af120269e9d37f261d873b5643a2c221e75741ff85f1c265c49a7104b