[INFO] fetching crate modbus-mapping-derive 0.4.0...
[INFO] building modbus-mapping-derive-0.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate modbus-mapping-derive 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate modbus-mapping-derive 0.4.0
[INFO] finished tweaking crates.io crate modbus-mapping-derive 0.4.0
[INFO] tweaked toml for crates.io crate modbus-mapping-derive 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-mapping-derive 0.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modbus-mapping-derive 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbb3fc878111336a88f5a33edc91aae54be878f925584ba5827e0f75c61d0ccc
[INFO] running `Command { std: "docker" "start" "-a" "fbb3fc878111336a88f5a33edc91aae54be878f925584ba5827e0f75c61d0ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbb3fc878111336a88f5a33edc91aae54be878f925584ba5827e0f75c61d0ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb3fc878111336a88f5a33edc91aae54be878f925584ba5827e0f75c61d0ccc", kill_on_drop: false }`
[INFO] [stdout] fbb3fc878111336a88f5a33edc91aae54be878f925584ba5827e0f75c61d0ccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c113d9f57dd25f44fde8b36139895e3439b1ffd4457349b601f77dbe399cc9c7
[INFO] running `Command { std: "docker" "start" "-a" "c113d9f57dd25f44fde8b36139895e3439b1ffd4457349b601f77dbe399cc9c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling modbus-mapping-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "c113d9f57dd25f44fde8b36139895e3439b1ffd4457349b601f77dbe399cc9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c113d9f57dd25f44fde8b36139895e3439b1ffd4457349b601f77dbe399cc9c7", kill_on_drop: false }`
[INFO] [stdout] c113d9f57dd25f44fde8b36139895e3439b1ffd4457349b601f77dbe399cc9c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3db73dae426249448a49fb2ba1595f834044ccfa2b7acc9c2c2ff3c7a5d4ca9a
[INFO] running `Command { std: "docker" "start" "-a" "3db73dae426249448a49fb2ba1595f834044ccfa2b7acc9c2c2ff3c7a5d4ca9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling modbus-mapping-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "3db73dae426249448a49fb2ba1595f834044ccfa2b7acc9c2c2ff3c7a5d4ca9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db73dae426249448a49fb2ba1595f834044ccfa2b7acc9c2c2ff3c7a5d4ca9a", kill_on_drop: false }`
[INFO] [stdout] 3db73dae426249448a49fb2ba1595f834044ccfa2b7acc9c2c2ff3c7a5d4ca9a