[INFO] fetching crate async_fn 0.0.2...
[INFO] checking async_fn-0.0.2 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate async_fn 0.0.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate async_fn 0.0.2 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config
[INFO] removed /workspace/builds/worker-14/source/rust-toolchain
[INFO] started tweaking crates.io crate async_fn 0.0.2
[INFO] finished tweaking crates.io crate async_fn 0.0.2
[INFO] tweaked toml for crates.io crate async_fn 0.0.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extreme v666.666.666666
[INFO] [stderr]   Downloaded async_fn-proc_macros v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 974f4b5bdec07c7df2f0a269fc0b0871626baa86d2d38728b6c6aad95418080e
[INFO] running `Command { std: "docker" "start" "-a" "974f4b5bdec07c7df2f0a269fc0b0871626baa86d2d38728b6c6aad95418080e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "974f4b5bdec07c7df2f0a269fc0b0871626baa86d2d38728b6c6aad95418080e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974f4b5bdec07c7df2f0a269fc0b0871626baa86d2d38728b6c6aad95418080e", kill_on_drop: false }`
[INFO] [stdout] 974f4b5bdec07c7df2f0a269fc0b0871626baa86d2d38728b6c6aad95418080e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c4cfc29358338dcc8c441372688c4721b06305fdc6d8b8a73590b690bfbcde7
[INFO] running `Command { std: "docker" "start" "-a" "1c4cfc29358338dcc8c441372688c4721b06305fdc6d8b8a73590b690bfbcde7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking extreme v666.666.666666
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling async_fn-proc_macros v0.0.2
[INFO] [stderr]     Checking async_fn v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.42s
[INFO] running `Command { std: "docker" "inspect" "1c4cfc29358338dcc8c441372688c4721b06305fdc6d8b8a73590b690bfbcde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4cfc29358338dcc8c441372688c4721b06305fdc6d8b8a73590b690bfbcde7", kill_on_drop: false }`
[INFO] [stdout] 1c4cfc29358338dcc8c441372688c4721b06305fdc6d8b8a73590b690bfbcde7