[INFO] fetching crate size-of-trait 1.1.3...
[INFO] checking size-of-trait-1.1.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate size-of-trait 1.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate size-of-trait 1.1.3
[INFO] finished tweaking crates.io crate size-of-trait 1.1.3
[INFO] tweaked toml for crates.io crate size-of-trait 1.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate size-of-trait 1.1.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90772b8c538b91b1edd0c75282af1b057816f651767764413b38e9af208234a1
[INFO] running `Command { std: "docker" "start" "-a" "90772b8c538b91b1edd0c75282af1b057816f651767764413b38e9af208234a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90772b8c538b91b1edd0c75282af1b057816f651767764413b38e9af208234a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90772b8c538b91b1edd0c75282af1b057816f651767764413b38e9af208234a1", kill_on_drop: false }`
[INFO] [stdout] 90772b8c538b91b1edd0c75282af1b057816f651767764413b38e9af208234a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f52651a75bfc365ca5fd88e58b87c0e53a5917cff39baf01c40da35dfcf6a3c
[INFO] running `Command { std: "docker" "start" "-a" "0f52651a75bfc365ca5fd88e58b87c0e53a5917cff39baf01c40da35dfcf6a3c", kill_on_drop: false }`
[INFO] [stderr]     Checking size-of-trait v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/tests.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         yield a;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout] 19 |     #[coroutine] || {
[INFO] [stdout]    |     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `size-of-trait` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0f52651a75bfc365ca5fd88e58b87c0e53a5917cff39baf01c40da35dfcf6a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f52651a75bfc365ca5fd88e58b87c0e53a5917cff39baf01c40da35dfcf6a3c", kill_on_drop: false }`
[INFO] [stdout] 0f52651a75bfc365ca5fd88e58b87c0e53a5917cff39baf01c40da35dfcf6a3c