[INFO] fetching crate extern_executor 0.1.2...
[INFO] checking extern_executor-0.1.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate extern_executor 0.1.2 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate extern_executor 0.1.2 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extern_executor 0.1.2
[INFO] finished tweaking crates.io crate extern_executor 0.1.2
[INFO] tweaked toml for crates.io crate extern_executor 0.1.2 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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" "+beta-2021-10-15" "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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 272f8abb6c4f8368d7ee3974a0e15ed6d33a40d0ac9c3b63b901e6be1003b361
[INFO] running `Command { std: "docker" "start" "-a" "272f8abb6c4f8368d7ee3974a0e15ed6d33a40d0ac9c3b63b901e6be1003b361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "272f8abb6c4f8368d7ee3974a0e15ed6d33a40d0ac9c3b63b901e6be1003b361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272f8abb6c4f8368d7ee3974a0e15ed6d33a40d0ac9c3b63b901e6be1003b361", kill_on_drop: false }`
[INFO] [stdout] 272f8abb6c4f8368d7ee3974a0e15ed6d33a40d0ac9c3b63b901e6be1003b361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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=warn" "-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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3517bf9be070535c7fa64ed0ef9879fa3a7d0848246b30c2705a7e52d9453296
[INFO] running `Command { std: "docker" "start" "-a" "3517bf9be070535c7fa64ed0ef9879fa3a7d0848246b30c2705a7e52d9453296", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling extern_executor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "3517bf9be070535c7fa64ed0ef9879fa3a7d0848246b30c2705a7e52d9453296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3517bf9be070535c7fa64ed0ef9879fa3a7d0848246b30c2705a7e52d9453296", kill_on_drop: false }`
[INFO] [stdout] 3517bf9be070535c7fa64ed0ef9879fa3a7d0848246b30c2705a7e52d9453296
