[INFO] fetching crate enum2pos 0.1.2...
[INFO] checking enum2pos-0.1.2 against master#8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd for pr-150557
[INFO] extracting crate enum2pos 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate enum2pos 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate enum2pos 0.1.2
[INFO] tweaked toml for crates.io crate enum2pos 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum2pos 0.1.2 on toolchain 8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.114)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94c21c11909ec270e169bc7e12fcbf192d87ac5cf3b7761dc4e14f7947702384
[INFO] running `Command { std: "docker" "start" "-a" "94c21c11909ec270e169bc7e12fcbf192d87ac5cf3b7761dc4e14f7947702384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94c21c11909ec270e169bc7e12fcbf192d87ac5cf3b7761dc4e14f7947702384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c21c11909ec270e169bc7e12fcbf192d87ac5cf3b7761dc4e14f7947702384", kill_on_drop: false }`
[INFO] [stdout] 94c21c11909ec270e169bc7e12fcbf192d87ac5cf3b7761dc4e14f7947702384
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc161af9ad46c3d7986a1fbc6cf97f64bc5c73897f3d784ee2074bcbd867815
[INFO] running `Command { std: "docker" "start" "-a" "4bc161af9ad46c3d7986a1fbc6cf97f64bc5c73897f3d784ee2074bcbd867815", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `proc-macro2 v1.0.105`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   config.json not found in registry
[INFO] running `Command { std: "docker" "inspect" "4bc161af9ad46c3d7986a1fbc6cf97f64bc5c73897f3d784ee2074bcbd867815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc161af9ad46c3d7986a1fbc6cf97f64bc5c73897f3d784ee2074bcbd867815", kill_on_drop: false }`
[INFO] [stdout] 4bc161af9ad46c3d7986a1fbc6cf97f64bc5c73897f3d784ee2074bcbd867815