[INFO] fetching crate nova-api 0.1.4...
[INFO] checking nova-api-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate nova-api 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nova-api 0.1.4 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 nova-api 0.1.4
[INFO] finished tweaking crates.io crate nova-api 0.1.4
[INFO] tweaked toml for crates.io crate nova-api 0.1.4 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 62 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding multimap v0.8.3 (latest: v0.10.0)
[INFO] [stderr]       Adding prettyplease v0.1.25 (latest: v0.2.17)
[INFO] [stderr]       Adding prost v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding prost-build v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding prost-derive v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding prost-types v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding protobuf v2.28.0 (latest: v3.4.0)
[INFO] [stderr]       Adding protobuf-codegen v2.28.0 (latest: v3.4.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml_edit v0.20.7 (latest: v0.22.9)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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 protobuf-codegen v2.28.0
[INFO] [stderr]   Downloaded autotools v0.2.6
[INFO] [stderr]   Downloaded protobuf-build v0.15.1
[INFO] [stderr]   Downloaded protobuf-src v1.1.0+21.5
[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] 0a51a29c40bd7dd02a1c2615b22a5b6533bc13a33927473bd699d1e703be5bea
[INFO] running `Command { std: "docker" "start" "-a" "0a51a29c40bd7dd02a1c2615b22a5b6533bc13a33927473bd699d1e703be5bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a51a29c40bd7dd02a1c2615b22a5b6533bc13a33927473bd699d1e703be5bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a51a29c40bd7dd02a1c2615b22a5b6533bc13a33927473bd699d1e703be5bea", kill_on_drop: false }`
[INFO] [stdout] 0a51a29c40bd7dd02a1c2615b22a5b6533bc13a33927473bd699d1e703be5bea
[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] 1c58a4c0bf1e68532859a4dcd3518a64c437628d3909c6ecca25cb8fac79daae
[INFO] running `Command { std: "docker" "start" "-a" "1c58a4c0bf1e68532859a4dcd3518a64c437628d3909c6ecca25cb8fac79daae", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking nova-api v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |         pub use raft::*;
[INFO] [stdout]    |                 ^^^^^^^ the name `file_descriptor_proto` in the value namespace is first re-exported here
[INFO] [stdout] 10 |         pub use metadata::*;
[INFO] [stdout]    |                 ----------- but the name `file_descriptor_proto` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |         pub use raft::*;
[INFO] [stdout]    |                 ^^^^^^^ the name `file_descriptor_proto` in the value namespace is first re-exported here
[INFO] [stdout] 10 |         pub use metadata::*;
[INFO] [stdout]    |                 ----------- but the name `file_descriptor_proto` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "1c58a4c0bf1e68532859a4dcd3518a64c437628d3909c6ecca25cb8fac79daae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c58a4c0bf1e68532859a4dcd3518a64c437628d3909c6ecca25cb8fac79daae", kill_on_drop: false }`
[INFO] [stdout] 1c58a4c0bf1e68532859a4dcd3518a64c437628d3909c6ecca25cb8fac79daae