[INFO] fetching crate xdiff 0.4.3...
[INFO] checking xdiff-0.4.3 against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] extracting crate xdiff 0.4.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate xdiff 0.4.3
[INFO] finished tweaking crates.io crate xdiff 0.4.3
[INFO] tweaked toml for crates.io crate xdiff 0.4.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xdiff 0.4.3 on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xdiff 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c30726dd3254253f17c20a83c9279dfa6b3af5255865cddfcbbfc3a05bc2b98e
[INFO] running `Command { std: "docker" "start" "-a" "c30726dd3254253f17c20a83c9279dfa6b3af5255865cddfcbbfc3a05bc2b98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30726dd3254253f17c20a83c9279dfa6b3af5255865cddfcbbfc3a05bc2b98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30726dd3254253f17c20a83c9279dfa6b3af5255865cddfcbbfc3a05bc2b98e", kill_on_drop: false }`
[INFO] [stdout] c30726dd3254253f17c20a83c9279dfa6b3af5255865cddfcbbfc3a05bc2b98e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d29cbf16d0e044da448a1ff53b3b8d1e9534db2021a6f09071b85ba0bf8d043
[INFO] running `Command { std: "docker" "start" "-a" "1d29cbf16d0e044da448a1ff53b3b8d1e9534db2021a6f09071b85ba0bf8d043", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `adler v1.0.2`
[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" "1d29cbf16d0e044da448a1ff53b3b8d1e9534db2021a6f09071b85ba0bf8d043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d29cbf16d0e044da448a1ff53b3b8d1e9534db2021a6f09071b85ba0bf8d043", kill_on_drop: false }`
[INFO] [stdout] 1d29cbf16d0e044da448a1ff53b3b8d1e9534db2021a6f09071b85ba0bf8d043