[INFO] fetching crate exocore-transport 0.1.22...
[INFO] checking exocore-transport-0.1.22 against try#77ee4623672f6bca3e33ba60b6479de48d44b1f9 for pr-99217
[INFO] extracting crate exocore-transport 0.1.22 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate exocore-transport 0.1.22 on toolchain 77ee4623672f6bca3e33ba60b6479de48d44b1f9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exocore-transport 0.1.22
[INFO] finished tweaking crates.io crate exocore-transport 0.1.22
[INFO] tweaked toml for crates.io crate exocore-transport 0.1.22 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1eacdadb2dcf9396310e53154e67f80b7a7c762db187741460b75f88ece065d
[INFO] running `Command { std: "docker" "start" "-a" "d1eacdadb2dcf9396310e53154e67f80b7a7c762db187741460b75f88ece065d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1eacdadb2dcf9396310e53154e67f80b7a7c762db187741460b75f88ece065d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1eacdadb2dcf9396310e53154e67f80b7a7c762db187741460b75f88ece065d", kill_on_drop: false }`
[INFO] [stdout] d1eacdadb2dcf9396310e53154e67f80b7a7c762db187741460b75f88ece065d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c737a5b4257b744abe9644bd3fc98cd02d906aa18cddab5be2b9c69bdabe32f
[INFO] running `Command { std: "docker" "start" "-a" "6c737a5b4257b744abe9644bd3fc98cd02d906aa18cddab5be2b9c69bdabe32f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
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[INFO] running `Command { std: "docker" "inspect" "6c737a5b4257b744abe9644bd3fc98cd02d906aa18cddab5be2b9c69bdabe32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c737a5b4257b744abe9644bd3fc98cd02d906aa18cddab5be2b9c69bdabe32f", kill_on_drop: false }`
[INFO] [stdout] 6c737a5b4257b744abe9644bd3fc98cd02d906aa18cddab5be2b9c69bdabe32f