[INFO] fetching crate massdriver_appkit 0.0.1...
[INFO] checking massdriver_appkit-0.0.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate massdriver_appkit 0.0.1 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate massdriver_appkit 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate massdriver_appkit 0.0.1
[INFO] finished tweaking crates.io crate massdriver_appkit 0.0.1
[INFO] tweaked toml for crates.io crate massdriver_appkit 0.0.1 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15d4e4acd3ef617d637c0470bd069d708b9d33fc464a1b44f865f38dcf9e6e77
[INFO] running `Command { std: "docker" "start" "-a" "15d4e4acd3ef617d637c0470bd069d708b9d33fc464a1b44f865f38dcf9e6e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d4e4acd3ef617d637c0470bd069d708b9d33fc464a1b44f865f38dcf9e6e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d4e4acd3ef617d637c0470bd069d708b9d33fc464a1b44f865f38dcf9e6e77", kill_on_drop: false }`
[INFO] [stdout] 15d4e4acd3ef617d637c0470bd069d708b9d33fc464a1b44f865f38dcf9e6e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e247fcc2a4418695edda7dcebf13ad04feb7858e460326d96bb0b33dd5ea95c4
[INFO] running `Command { std: "docker" "start" "-a" "e247fcc2a4418695edda7dcebf13ad04feb7858e460326d96bb0b33dd5ea95c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking massdriver_appkit v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "e247fcc2a4418695edda7dcebf13ad04feb7858e460326d96bb0b33dd5ea95c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e247fcc2a4418695edda7dcebf13ad04feb7858e460326d96bb0b33dd5ea95c4", kill_on_drop: false }`
[INFO] [stdout] e247fcc2a4418695edda7dcebf13ad04feb7858e460326d96bb0b33dd5ea95c4
