[INFO] fetching crate dns2tcp 0.1.0...
[INFO] checking dns2tcp-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate dns2tcp 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dns2tcp 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dns2tcp 0.1.0
[INFO] finished tweaking crates.io crate dns2tcp 0.1.0
[INFO] tweaked toml for crates.io crate dns2tcp 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dns2tcp 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1f20e026af418886c3e5f0421394ca034d5d6e4a84fdcec6351bedca2f13c7d
[INFO] running `Command { std: "docker" "start" "-a" "b1f20e026af418886c3e5f0421394ca034d5d6e4a84fdcec6351bedca2f13c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1f20e026af418886c3e5f0421394ca034d5d6e4a84fdcec6351bedca2f13c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f20e026af418886c3e5f0421394ca034d5d6e4a84fdcec6351bedca2f13c7d", kill_on_drop: false }`
[INFO] [stdout] b1f20e026af418886c3e5f0421394ca034d5d6e4a84fdcec6351bedca2f13c7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43c42d07fcfb57fd3b2bc230f57aca6973d949682296d3cde67dd72908908767
[INFO] running `Command { std: "docker" "start" "-a" "43c42d07fcfb57fd3b2bc230f57aca6973d949682296d3cde67dd72908908767", kill_on_drop: false }`
[INFO] [stderr]     Checking dns2tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "43c42d07fcfb57fd3b2bc230f57aca6973d949682296d3cde67dd72908908767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c42d07fcfb57fd3b2bc230f57aca6973d949682296d3cde67dd72908908767", kill_on_drop: false }`
[INFO] [stdout] 43c42d07fcfb57fd3b2bc230f57aca6973d949682296d3cde67dd72908908767