[INFO] fetching crate proto_import 0.1.0...
[INFO] checking proto_import-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate proto_import 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate proto_import 0.1.0 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 proto_import 0.1.0
[INFO] finished tweaking crates.io crate proto_import 0.1.0
[INFO] tweaked toml for crates.io crate proto_import 0.1.0 written to /workspace/builds/worker-0-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 2 packages
[INFO] [stderr]       Adding watt v0.4.6 (latest: v0.5.0)
[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 watt v0.4.6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d57a43dbab73f30a2c0dd3f5a92a4084c24d16f64c8126900859383987e5b2f4
[INFO] running `Command { std: "docker" "start" "-a" "d57a43dbab73f30a2c0dd3f5a92a4084c24d16f64c8126900859383987e5b2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57a43dbab73f30a2c0dd3f5a92a4084c24d16f64c8126900859383987e5b2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57a43dbab73f30a2c0dd3f5a92a4084c24d16f64c8126900859383987e5b2f4", kill_on_drop: false }`
[INFO] [stdout] d57a43dbab73f30a2c0dd3f5a92a4084c24d16f64c8126900859383987e5b2f4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5355b8ff622a22441d187cac4e9e2648841284bda884f7d9a9524dbf8adc371
[INFO] running `Command { std: "docker" "start" "-a" "e5355b8ff622a22441d187cac4e9e2648841284bda884f7d9a9524dbf8adc371", kill_on_drop: false }`
[INFO] [stderr]     Checking watt v0.4.6
[INFO] [stderr]     Checking proto_import v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "e5355b8ff622a22441d187cac4e9e2648841284bda884f7d9a9524dbf8adc371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5355b8ff622a22441d187cac4e9e2648841284bda884f7d9a9524dbf8adc371", kill_on_drop: false }`
[INFO] [stdout] e5355b8ff622a22441d187cac4e9e2648841284bda884f7d9a9524dbf8adc371
[INFO] checking proto_import-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate proto_import 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate proto_import 0.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proto_import 0.1.0
[INFO] finished tweaking crates.io crate proto_import 0.1.0
[INFO] tweaked toml for crates.io crate proto_import 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 571e2306c745372ca4e656829f5feebd70542e548a3a6f65a3d45e87a38a0aa6
[INFO] running `Command { std: "docker" "start" "-a" "571e2306c745372ca4e656829f5feebd70542e548a3a6f65a3d45e87a38a0aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "571e2306c745372ca4e656829f5feebd70542e548a3a6f65a3d45e87a38a0aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571e2306c745372ca4e656829f5feebd70542e548a3a6f65a3d45e87a38a0aa6", kill_on_drop: false }`
[INFO] [stdout] 571e2306c745372ca4e656829f5feebd70542e548a3a6f65a3d45e87a38a0aa6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a6c6dc9008e3392b38c158e9f7cde237386dfb1eef8a5ea9125520f7de59135
[INFO] running `Command { std: "docker" "start" "-a" "0a6c6dc9008e3392b38c158e9f7cde237386dfb1eef8a5ea9125520f7de59135", kill_on_drop: false }`
[INFO] [stderr]     Checking watt v0.4.6
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/watt-0.4.6/src/sym.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Data::with(|d| panic!("{}", d.string[string]));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Data::with(|d| -> /* Type */ panic!("{}", d.string[string]));
[INFO] [stdout]    |                    +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `watt` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0a6c6dc9008e3392b38c158e9f7cde237386dfb1eef8a5ea9125520f7de59135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6c6dc9008e3392b38c158e9f7cde237386dfb1eef8a5ea9125520f7de59135", kill_on_drop: false }`
[INFO] [stdout] 0a6c6dc9008e3392b38c158e9f7cde237386dfb1eef8a5ea9125520f7de59135