[INFO] fetching crate fieldwork 0.4.6...
[INFO] checking fieldwork-0.4.6 against try#1baf923b9c3a455162afe43e18647f494c1a4b73 for pr-151510
[INFO] extracting crate fieldwork 0.4.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fieldwork 0.4.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fieldwork 0.4.6
[INFO] tweaked toml for crates.io crate fieldwork 0.4.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fieldwork 0.4.6 on toolchain 1baf923b9c3a455162afe43e18647f494c1a4b73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fieldwork 0.4.6 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" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d39cec737a3f0e28dbd40208bb7a6d7ec9720e25caf744bb3b78e1332f4b07
[INFO] running `Command { std: "docker" "start" "-a" "20d39cec737a3f0e28dbd40208bb7a6d7ec9720e25caf744bb3b78e1332f4b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d39cec737a3f0e28dbd40208bb7a6d7ec9720e25caf744bb3b78e1332f4b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d39cec737a3f0e28dbd40208bb7a6d7ec9720e25caf744bb3b78e1332f4b07", kill_on_drop: false }`
[INFO] [stdout] 20d39cec737a3f0e28dbd40208bb7a6d7ec9720e25caf744bb3b78e1332f4b07
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44e489330c5fd3e3e3ccd64408cd2a8788d7928fd8f9e20b056ce05c7db3a38d
[INFO] running `Command { std: "docker" "start" "-a" "44e489330c5fd3e3e3ccd64408cd2a8788d7928fd8f9e20b056ce05c7db3a38d", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `diff v0.1.13`
[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" "44e489330c5fd3e3e3ccd64408cd2a8788d7928fd8f9e20b056ce05c7db3a38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e489330c5fd3e3e3ccd64408cd2a8788d7928fd8f9e20b056ce05c7db3a38d", kill_on_drop: false }`
[INFO] [stdout] 44e489330c5fd3e3e3ccd64408cd2a8788d7928fd8f9e20b056ce05c7db3a38d