[INFO] fetching crate generic-uvarint 0.1.0...
[INFO] checking generic-uvarint-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate generic-uvarint 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate generic-uvarint 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 generic-uvarint 0.1.0
[INFO] finished tweaking crates.io crate generic-uvarint 0.1.0
[INFO] tweaked toml for crates.io crate generic-uvarint 0.1.0 written to /workspace/builds/worker-1-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 4 packages
[INFO] [stderr]       Adding unsigned-varint v0.7.2 (latest: v0.8.0)
[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 generic-array v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 57fb8c77cad64e912ffd91f73d83c0c7fc36b1e8343f23cf4699fbc1e68ba263
[INFO] running `Command { std: "docker" "start" "-a" "57fb8c77cad64e912ffd91f73d83c0c7fc36b1e8343f23cf4699fbc1e68ba263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57fb8c77cad64e912ffd91f73d83c0c7fc36b1e8343f23cf4699fbc1e68ba263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fb8c77cad64e912ffd91f73d83c0c7fc36b1e8343f23cf4699fbc1e68ba263", kill_on_drop: false }`
[INFO] [stdout] 57fb8c77cad64e912ffd91f73d83c0c7fc36b1e8343f23cf4699fbc1e68ba263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9d071280728703965dbcc8a6d598b497692aefd21bc2aa11d737b6cf19c87dcc
[INFO] running `Command { std: "docker" "start" "-a" "9d071280728703965dbcc8a6d598b497692aefd21bc2aa11d737b6cf19c87dcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking generic-array v1.0.0
[INFO] [stderr]     Checking generic-uvarint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "9d071280728703965dbcc8a6d598b497692aefd21bc2aa11d737b6cf19c87dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d071280728703965dbcc8a6d598b497692aefd21bc2aa11d737b6cf19c87dcc", kill_on_drop: false }`
[INFO] [stdout] 9d071280728703965dbcc8a6d598b497692aefd21bc2aa11d737b6cf19c87dcc
[INFO] checking generic-uvarint-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate generic-uvarint 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate generic-uvarint 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 generic-uvarint 0.1.0
[INFO] finished tweaking crates.io crate generic-uvarint 0.1.0
[INFO] tweaked toml for crates.io crate generic-uvarint 0.1.0 written to /workspace/builds/worker-1-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b38cc7878eb772577c9d56039f42cdce74490185b30ef60f5faf832f03051eb6
[INFO] running `Command { std: "docker" "start" "-a" "b38cc7878eb772577c9d56039f42cdce74490185b30ef60f5faf832f03051eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b38cc7878eb772577c9d56039f42cdce74490185b30ef60f5faf832f03051eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38cc7878eb772577c9d56039f42cdce74490185b30ef60f5faf832f03051eb6", kill_on_drop: false }`
[INFO] [stdout] b38cc7878eb772577c9d56039f42cdce74490185b30ef60f5faf832f03051eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6814b372ff07ef7d78b9bcdf8a30f160f388ca30bb1e120a4acc35dcf34165c4
[INFO] running `Command { std: "docker" "start" "-a" "6814b372ff07ef7d78b9bcdf8a30f160f388ca30bb1e120a4acc35dcf34165c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking generic-array v1.0.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/generic-array-1.0.0/src/hex.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         unsafe { core::hint::unreachable_unchecked() };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[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 `generic-array` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6814b372ff07ef7d78b9bcdf8a30f160f388ca30bb1e120a4acc35dcf34165c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6814b372ff07ef7d78b9bcdf8a30f160f388ca30bb1e120a4acc35dcf34165c4", kill_on_drop: false }`
[INFO] [stdout] 6814b372ff07ef7d78b9bcdf8a30f160f388ca30bb1e120a4acc35dcf34165c4