[INFO] fetching crate value_from_type_traits 1.0.2...
[INFO] checking value_from_type_traits-1.0.2 against master#3cdcdaf31b45f8045164aae9604573d23091970b for pr-122267
[INFO] extracting crate value_from_type_traits 1.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate value_from_type_traits 1.0.2 on toolchain 3cdcdaf31b45f8045164aae9604573d23091970b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate value_from_type_traits 1.0.2
[INFO] finished tweaking crates.io crate value_from_type_traits 1.0.2
[INFO] tweaked toml for crates.io crate value_from_type_traits 1.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c56bd92cf106a700d0aa80e4853ab46d7461424a23bfe7baa84412c79f4085c
[INFO] running `Command { std: "docker" "start" "-a" "9c56bd92cf106a700d0aa80e4853ab46d7461424a23bfe7baa84412c79f4085c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c56bd92cf106a700d0aa80e4853ab46d7461424a23bfe7baa84412c79f4085c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c56bd92cf106a700d0aa80e4853ab46d7461424a23bfe7baa84412c79f4085c", kill_on_drop: false }`
[INFO] [stdout] 9c56bd92cf106a700d0aa80e4853ab46d7461424a23bfe7baa84412c79f4085c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f15fab3f1484975fb339db0bda309de20d9615f57b082da701e26a60c4f735
[INFO] running `Command { std: "docker" "start" "-a" "b9f15fab3f1484975fb339db0bda309de20d9615f57b082da701e26a60c4f735", kill_on_drop: false }`
[INFO] [stderr]     Checking value_from_type_traits v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "b9f15fab3f1484975fb339db0bda309de20d9615f57b082da701e26a60c4f735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f15fab3f1484975fb339db0bda309de20d9615f57b082da701e26a60c4f735", kill_on_drop: false }`
[INFO] [stdout] b9f15fab3f1484975fb339db0bda309de20d9615f57b082da701e26a60c4f735
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.