[INFO] fetching crate ff_derive_wasm_unknown_unknown 0.12.2...
[INFO] checking ff_derive_wasm_unknown_unknown-0.12.2 against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] extracting crate ff_derive_wasm_unknown_unknown 0.12.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ff_derive_wasm_unknown_unknown 0.12.2
[INFO] finished tweaking crates.io crate ff_derive_wasm_unknown_unknown 0.12.2
[INFO] tweaked toml for crates.io crate ff_derive_wasm_unknown_unknown 0.12.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ff_derive_wasm_unknown_unknown 0.12.2 on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding num-bigint v0.3.3 (available: v0.4.6)
[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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ab90f2e81141a11bd9cb1a0077e89e324b175ff9e57b5aea3e71104c497e1ce
[INFO] running `Command { std: "docker" "start" "-a" "9ab90f2e81141a11bd9cb1a0077e89e324b175ff9e57b5aea3e71104c497e1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ab90f2e81141a11bd9cb1a0077e89e324b175ff9e57b5aea3e71104c497e1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab90f2e81141a11bd9cb1a0077e89e324b175ff9e57b5aea3e71104c497e1ce", kill_on_drop: false }`
[INFO] [stdout] 9ab90f2e81141a11bd9cb1a0077e89e324b175ff9e57b5aea3e71104c497e1ce
[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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c740ce310ecc6d2dbcc44da65825936b7492c636cc9902f18c84d9f2bb3651a4
[INFO] running `Command { std: "docker" "start" "-a" "c740ce310ecc6d2dbcc44da65825936b7492c636cc9902f18c84d9f2bb3651a4", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `addchain v0.2.0`
[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" "c740ce310ecc6d2dbcc44da65825936b7492c636cc9902f18c84d9f2bb3651a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c740ce310ecc6d2dbcc44da65825936b7492c636cc9902f18c84d9f2bb3651a4", kill_on_drop: false }`
[INFO] [stdout] c740ce310ecc6d2dbcc44da65825936b7492c636cc9902f18c84d9f2bb3651a4