[INFO] fetching crate warp-contracts-macro 0.1.3...
[INFO] checking warp-contracts-macro-0.1.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate warp-contracts-macro 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate warp-contracts-macro 0.1.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warp-contracts-macro 0.1.3
[INFO] finished tweaking crates.io crate warp-contracts-macro 0.1.3
[INFO] tweaked toml for crates.io crate warp-contracts-macro 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages
[INFO] [stderr]       Adding js-sys v0.3.61 (latest: v0.3.69)
[INFO] [stderr]       Adding serde-wasm-bindgen v0.5.0 (latest: v0.6.5)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasm-bindgen v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.34 (latest: v0.4.42)
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding web-sys v0.3.61 (latest: v0.3.69)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded warp-contracts-core v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 770c669c8f42b1dbb6d17ed6831eb46b83b142d973c7d385a9a2b32c124c3025
[INFO] running `Command { std: "docker" "start" "-a" "770c669c8f42b1dbb6d17ed6831eb46b83b142d973c7d385a9a2b32c124c3025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "770c669c8f42b1dbb6d17ed6831eb46b83b142d973c7d385a9a2b32c124c3025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770c669c8f42b1dbb6d17ed6831eb46b83b142d973c7d385a9a2b32c124c3025", kill_on_drop: false }`
[INFO] [stdout] 770c669c8f42b1dbb6d17ed6831eb46b83b142d973c7d385a9a2b32c124c3025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcd6f44aa2651c7783bab9dcc99e3390379afb602cc5e84457982c251c157663
[INFO] running `Command { std: "docker" "start" "-a" "bcd6f44aa2651c7783bab9dcc99e3390379afb602cc5e84457982c251c157663", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.84
[INFO] [stderr]     Checking js-sys v0.3.61
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.34
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]     Checking warp-contracts-core v0.1.3
[INFO] [stderr]     Checking warp-contracts-macro v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.84
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "bcd6f44aa2651c7783bab9dcc99e3390379afb602cc5e84457982c251c157663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd6f44aa2651c7783bab9dcc99e3390379afb602cc5e84457982c251c157663", kill_on_drop: false }`
[INFO] [stdout] bcd6f44aa2651c7783bab9dcc99e3390379afb602cc5e84457982c251c157663