[INFO] fetching crate mcp3208 0.1.0...
[INFO] checking mcp3208-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate mcp3208 0.1.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate mcp3208 0.1.0 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 mcp3208 0.1.0
[INFO] finished tweaking crates.io crate mcp3208 0.1.0
[INFO] tweaked toml for crates.io crate mcp3208 0.1.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate crates.io crate mcp3208 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spidev v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 508df7f15c73073b1990244274728aa1c3a9cd2bdecd88ba060f664b75bd8aa5
[INFO] running `Command { std: "docker" "start" "-a" "508df7f15c73073b1990244274728aa1c3a9cd2bdecd88ba060f664b75bd8aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "508df7f15c73073b1990244274728aa1c3a9cd2bdecd88ba060f664b75bd8aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508df7f15c73073b1990244274728aa1c3a9cd2bdecd88ba060f664b75bd8aa5", kill_on_drop: false }`
[INFO] [stdout] 508df7f15c73073b1990244274728aa1c3a9cd2bdecd88ba060f664b75bd8aa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] deb6a20121ba57236a846703508888b77a3c90a9b8576508aedbbde717c27254
[INFO] running `Command { std: "docker" "start" "-a" "deb6a20121ba57236a846703508888b77a3c90a9b8576508aedbbde717c27254", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking spidev v0.4.0
[INFO] [stderr]     Checking mcp3208 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.24s
[INFO] running `Command { std: "docker" "inspect" "deb6a20121ba57236a846703508888b77a3c90a9b8576508aedbbde717c27254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb6a20121ba57236a846703508888b77a3c90a9b8576508aedbbde717c27254", kill_on_drop: false }`
[INFO] [stdout] deb6a20121ba57236a846703508888b77a3c90a9b8576508aedbbde717c27254
