[INFO] fetching crate ff_derive_wasm_unknown_unknown 0.12.2...
[INFO] checking ff_derive_wasm_unknown_unknown-0.12.2 against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146
[INFO] extracting crate ff_derive_wasm_unknown_unknown 0.12.2 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ff_derive_wasm_unknown_unknown 0.12.2 on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded addchain v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ad1d939a854515714a4c1cc9819412897bdb6ee064b661561ba4be10c8d3693
[INFO] running `Command { std: "docker" "start" "-a" "1ad1d939a854515714a4c1cc9819412897bdb6ee064b661561ba4be10c8d3693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad1d939a854515714a4c1cc9819412897bdb6ee064b661561ba4be10c8d3693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad1d939a854515714a4c1cc9819412897bdb6ee064b661561ba4be10c8d3693", kill_on_drop: false }`
[INFO] [stdout] 1ad1d939a854515714a4c1cc9819412897bdb6ee064b661561ba4be10c8d3693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fe257dd2f71f4e0361d7aca45496f1e5b539a1b3ca40b4654354d989f0ae892
[INFO] running `Command { std: "docker" "start" "-a" "2fe257dd2f71f4e0361d7aca45496f1e5b539a1b3ca40b4654354d989f0ae892", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking cfg-if v1.0.4
[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 3.92s
[INFO] running `Command { std: "docker" "inspect" "2fe257dd2f71f4e0361d7aca45496f1e5b539a1b3ca40b4654354d989f0ae892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe257dd2f71f4e0361d7aca45496f1e5b539a1b3ca40b4654354d989f0ae892", kill_on_drop: false }`
[INFO] [stdout] 2fe257dd2f71f4e0361d7aca45496f1e5b539a1b3ca40b4654354d989f0ae892