[INFO] fetching crate libw 0.1.6...
[INFO] checking libw-0.1.6 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate libw 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libw 0.1.6 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 libw 0.1.6
[INFO] finished tweaking crates.io crate libw 0.1.6
[INFO] tweaked toml for crates.io crate libw 0.1.6 written to /workspace/builds/worker-2/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.9.0+wasi-snapshot-preview1` for dependency `wasi` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7a0ca8ea58147eda40dce310b20377d9a55285ca5f4cedf31791ace61d10ea18
[INFO] running `Command { std: "docker" "start" "-a" "7a0ca8ea58147eda40dce310b20377d9a55285ca5f4cedf31791ace61d10ea18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a0ca8ea58147eda40dce310b20377d9a55285ca5f4cedf31791ace61d10ea18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0ca8ea58147eda40dce310b20377d9a55285ca5f4cedf31791ace61d10ea18", kill_on_drop: false }`
[INFO] [stdout] 7a0ca8ea58147eda40dce310b20377d9a55285ca5f4cedf31791ace61d10ea18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 78b55b8fad50252fdc91898282b85c6d2a280ade11512aeaded5d9d41dd3327d
[INFO] running `Command { std: "docker" "start" "-a" "78b55b8fad50252fdc91898282b85c6d2a280ade11512aeaded5d9d41dd3327d", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.9.0+wasi-snapshot-preview1` for dependency `wasi` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Checking wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]     Checking libw v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "78b55b8fad50252fdc91898282b85c6d2a280ade11512aeaded5d9d41dd3327d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b55b8fad50252fdc91898282b85c6d2a280ade11512aeaded5d9d41dd3327d", kill_on_drop: false }`
[INFO] [stdout] 78b55b8fad50252fdc91898282b85c6d2a280ade11512aeaded5d9d41dd3327d
