[INFO] fetching crate async_fn 0.0.2...
[INFO] checking async_fn-0.0.2 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate async_fn 0.0.2 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate async_fn 0.0.2 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-71/source/.cargo/config
[INFO] removed /workspace/builds/worker-71/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-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 933eeb2ae4622958e5716b23d92cc1bec958ae8704697af9caea986372f075f8
[INFO] running `Command { std: "docker" "start" "-a" "933eeb2ae4622958e5716b23d92cc1bec958ae8704697af9caea986372f075f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "933eeb2ae4622958e5716b23d92cc1bec958ae8704697af9caea986372f075f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933eeb2ae4622958e5716b23d92cc1bec958ae8704697af9caea986372f075f8", kill_on_drop: false }`
[INFO] [stdout] 933eeb2ae4622958e5716b23d92cc1bec958ae8704697af9caea986372f075f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eb72974861d08f89fe29ec1263b1e874a1e7c8a5720153b75993d4ae9152394
[INFO] running `Command { std: "docker" "start" "-a" "4eb72974861d08f89fe29ec1263b1e874a1e7c8a5720153b75993d4ae9152394", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking extreme v666.666.666666
[INFO] [stderr]    Compiling quote v1.0.10
[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 15.97s
[INFO] running `Command { std: "docker" "inspect" "4eb72974861d08f89fe29ec1263b1e874a1e7c8a5720153b75993d4ae9152394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb72974861d08f89fe29ec1263b1e874a1e7c8a5720153b75993d4ae9152394", kill_on_drop: false }`
[INFO] [stdout] 4eb72974861d08f89fe29ec1263b1e874a1e7c8a5720153b75993d4ae9152394