[INFO] fetching crate futures-stable 0.2.1...
[INFO] documenting futures-stable-0.2.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate futures-stable 0.2.1 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate futures-stable 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-stable 0.2.1
[INFO] finished tweaking crates.io crate futures-stable 0.2.1
[INFO] tweaked toml for crates.io crate futures-stable 0.2.1 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core v0.2.1
[INFO] [stderr]   Downloaded futures-channel v0.2.1
[INFO] [stderr]   Downloaded futures-io v0.2.1
[INFO] [stderr]   Downloaded futures-util v0.2.1
[INFO] [stderr]   Downloaded futures-sink v0.2.1
[INFO] [stderr]   Downloaded futures-executor v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 702106eca86adedc702310a9b9c4628b18fb636613f87ca4725d25410ea84479
[INFO] running `Command { std: "docker" "start" "-a" "702106eca86adedc702310a9b9c4628b18fb636613f87ca4725d25410ea84479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "702106eca86adedc702310a9b9c4628b18fb636613f87ca4725d25410ea84479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702106eca86adedc702310a9b9c4628b18fb636613f87ca4725d25410ea84479", kill_on_drop: false }`
[INFO] [stdout] 702106eca86adedc702310a9b9c4628b18fb636613f87ca4725d25410ea84479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b89a584471ae1c66f801eed70a2bddcf71cac9718481a7d35adbb0b3d0007a85
[INFO] running `Command { std: "docker" "start" "-a" "b89a584471ae1c66f801eed70a2bddcf71cac9718481a7d35adbb0b3d0007a85", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]     Checking futures-channel v0.2.1
[INFO] [stderr]     Checking futures-io v0.2.1
[INFO] [stderr]     Checking futures-sink v0.2.1
[INFO] [stderr]     Checking futures-util v0.2.1
[INFO] [stderr]     Checking futures-executor v0.2.1
[INFO] [stderr]  Documenting futures-stable v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "b89a584471ae1c66f801eed70a2bddcf71cac9718481a7d35adbb0b3d0007a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89a584471ae1c66f801eed70a2bddcf71cac9718481a7d35adbb0b3d0007a85", kill_on_drop: false }`
[INFO] [stdout] b89a584471ae1c66f801eed70a2bddcf71cac9718481a7d35adbb0b3d0007a85
