[INFO] fetching crate four_derive 0.0.12...
[INFO] checking four_derive-0.0.12 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate four_derive 0.0.12 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate four_derive 0.0.12 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate four_derive 0.0.12
[INFO] finished tweaking crates.io crate four_derive 0.0.12
[INFO] tweaked toml for crates.io crate four_derive 0.0.12 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74bafa995852ad1218a70a86a7f13c81cc4996368c54d5daa8d84e2c131eadec
[INFO] running `Command { std: "docker" "start" "-a" "74bafa995852ad1218a70a86a7f13c81cc4996368c54d5daa8d84e2c131eadec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74bafa995852ad1218a70a86a7f13c81cc4996368c54d5daa8d84e2c131eadec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bafa995852ad1218a70a86a7f13c81cc4996368c54d5daa8d84e2c131eadec", kill_on_drop: false }`
[INFO] [stdout] 74bafa995852ad1218a70a86a7f13c81cc4996368c54d5daa8d84e2c131eadec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 771f3bee8f89a5b06c6098f35e3ccc5e61a41844e2dbeae99a856d087bee6eac
[INFO] running `Command { std: "docker" "start" "-a" "771f3bee8f89a5b06c6098f35e3ccc5e61a41844e2dbeae99a856d087bee6eac", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.76
[INFO] [stderr]     Checking four_derive v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "771f3bee8f89a5b06c6098f35e3ccc5e61a41844e2dbeae99a856d087bee6eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771f3bee8f89a5b06c6098f35e3ccc5e61a41844e2dbeae99a856d087bee6eac", kill_on_drop: false }`
[INFO] [stdout] 771f3bee8f89a5b06c6098f35e3ccc5e61a41844e2dbeae99a856d087bee6eac