[INFO] fetching crate watermelon 0.4.0...
[INFO] checking watermelon-0.4.0 against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] extracting crate watermelon 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate watermelon 0.4.0
[INFO] finished tweaking crates.io crate watermelon 0.4.0
[INFO] tweaked toml for crates.io crate watermelon 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate watermelon 0.4.0 on toolchain 1383df06117fd218068d1f39fd5326256dd4a348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate watermelon 0.4.0 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" "+1383df06117fd218068d1f39fd5326256dd4a348" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9fdfeb13beb0128583c5ab2d7e494764f7a0363b86a511e5184ec7236eb5ca6
[INFO] running `Command { std: "docker" "start" "-a" "e9fdfeb13beb0128583c5ab2d7e494764f7a0363b86a511e5184ec7236eb5ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9fdfeb13beb0128583c5ab2d7e494764f7a0363b86a511e5184ec7236eb5ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9fdfeb13beb0128583c5ab2d7e494764f7a0363b86a511e5184ec7236eb5ca6", kill_on_drop: false }`
[INFO] [stdout] e9fdfeb13beb0128583c5ab2d7e494764f7a0363b86a511e5184ec7236eb5ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09e54f4f504498d3cdc6977c09b894e0e28557eb726351f8912371e0ad0a3097
[INFO] running `Command { std: "docker" "start" "-a" "09e54f4f504498d3cdc6977c09b894e0e28557eb726351f8912371e0ad0a3097", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `arc-swap v1.7.1`
[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" "09e54f4f504498d3cdc6977c09b894e0e28557eb726351f8912371e0ad0a3097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e54f4f504498d3cdc6977c09b894e0e28557eb726351f8912371e0ad0a3097", kill_on_drop: false }`
[INFO] [stdout] 09e54f4f504498d3cdc6977c09b894e0e28557eb726351f8912371e0ad0a3097