[INFO] fetching crate ff_derive_wasm_unknown_unknown 0.12.2...
[INFO] checking ff_derive_wasm_unknown_unknown-0.12.2 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate ff_derive_wasm_unknown_unknown 0.12.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ff_derive_wasm_unknown_unknown 0.12.2 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding num-bigint v0.3.3 (latest: v0.4.6)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36cbb4b16a8772d03b3eae91a2a1610a82ce9ab69bd393f4b5c8f10a1d4814aa
[INFO] running `Command { std: "docker" "start" "-a" "36cbb4b16a8772d03b3eae91a2a1610a82ce9ab69bd393f4b5c8f10a1d4814aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36cbb4b16a8772d03b3eae91a2a1610a82ce9ab69bd393f4b5c8f10a1d4814aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cbb4b16a8772d03b3eae91a2a1610a82ce9ab69bd393f4b5c8f10a1d4814aa", kill_on_drop: false }`
[INFO] [stdout] 36cbb4b16a8772d03b3eae91a2a1610a82ce9ab69bd393f4b5c8f10a1d4814aa
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cc9f89ef8774f362175fa6e2523ce1c69fb3e55d26e4f4778223c51da509774
[INFO] running `Command { std: "docker" "start" "-a" "4cc9f89ef8774f362175fa6e2523ce1c69fb3e55d26e4f4778223c51da509774", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking addchain v0.2.0
[INFO] [stderr]     Checking ff_derive_wasm_unknown_unknown v0.12.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "4cc9f89ef8774f362175fa6e2523ce1c69fb3e55d26e4f4778223c51da509774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc9f89ef8774f362175fa6e2523ce1c69fb3e55d26e4f4778223c51da509774", kill_on_drop: false }`
[INFO] [stdout] 4cc9f89ef8774f362175fa6e2523ce1c69fb3e55d26e4f4778223c51da509774