[INFO] fetching crate blud 0.0.0...
[INFO] checking blud-0.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate blud 0.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate blud 0.0.0 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 blud 0.0.0
[INFO] finished tweaking crates.io crate blud 0.0.0
[INFO] tweaked toml for crates.io crate blud 0.0.0 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 8 packages
[INFO] [stderr]       Adding clipline v0.1.2 (latest: v0.2.0)
[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 clipline v0.1.2
[INFO] [stderr]   Downloaded mattr v0.0.2
[INFO] [stderr]   Downloaded vecto v0.1.1
[INFO] [stderr]   Downloaded umath v0.0.7
[INFO] [stderr]   Downloaded atools v0.1.2
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] [stderr]   Downloaded fimg v0.4.41
[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] 63b40916da0661c6daf978b696fd4ab98d828551795dce23ee47509df5ae07a0
[INFO] running `Command { std: "docker" "start" "-a" "63b40916da0661c6daf978b696fd4ab98d828551795dce23ee47509df5ae07a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63b40916da0661c6daf978b696fd4ab98d828551795dce23ee47509df5ae07a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b40916da0661c6daf978b696fd4ab98d828551795dce23ee47509df5ae07a0", kill_on_drop: false }`
[INFO] [stdout] 63b40916da0661c6daf978b696fd4ab98d828551795dce23ee47509df5ae07a0
[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] 6a490c8446e3e763ebc0a96ebda4da48f4f4608ba9b384e08b8f5bccd0378d4b
[INFO] running `Command { std: "docker" "start" "-a" "6a490c8446e3e763ebc0a96ebda4da48f4f4608ba9b384e08b8f5bccd0378d4b", kill_on_drop: false }`
[INFO] [stderr]     Checking umath v0.0.7
[INFO] [stderr]     Checking atools v0.1.2
[INFO] [stderr]     Checking clipline v0.1.2
[INFO] [stderr]     Checking mattr v0.0.2
[INFO] [stderr]     Checking iai v0.1.1
[INFO] [stderr]     Checking vecto v0.1.1
[INFO] [stderr]     Checking fimg v0.4.41
[INFO] [stderr]     Checking blud v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "6a490c8446e3e763ebc0a96ebda4da48f4f4608ba9b384e08b8f5bccd0378d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a490c8446e3e763ebc0a96ebda4da48f4f4608ba9b384e08b8f5bccd0378d4b", kill_on_drop: false }`
[INFO] [stdout] 6a490c8446e3e763ebc0a96ebda4da48f4f4608ba9b384e08b8f5bccd0378d4b
[INFO] checking blud-0.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate blud 0.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate blud 0.0.0 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 blud 0.0.0
[INFO] finished tweaking crates.io crate blud 0.0.0
[INFO] tweaked toml for crates.io crate blud 0.0.0 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] 2143e5c5d567bc6688e4320b7d9cd1571369b91c24e3b09472329e09ade0d88f
[INFO] running `Command { std: "docker" "start" "-a" "2143e5c5d567bc6688e4320b7d9cd1571369b91c24e3b09472329e09ade0d88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2143e5c5d567bc6688e4320b7d9cd1571369b91c24e3b09472329e09ade0d88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2143e5c5d567bc6688e4320b7d9cd1571369b91c24e3b09472329e09ade0d88f", kill_on_drop: false }`
[INFO] [stdout] 2143e5c5d567bc6688e4320b7d9cd1571369b91c24e3b09472329e09ade0d88f
[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] 59fede2016267578c5d36acc784d44771c95996d6476406f6111c3a1e28e1c53
[INFO] running `Command { std: "docker" "start" "-a" "59fede2016267578c5d36acc784d44771c95996d6476406f6111c3a1e28e1c53", kill_on_drop: false }`
[INFO] [stderr]     Checking umath v0.0.7
[INFO] [stderr]     Checking atools v0.1.2
[INFO] [stderr]     Checking mattr v0.0.2
[INFO] [stderr]     Checking clipline v0.1.2
[INFO] [stderr]     Checking iai v0.1.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/umath-0.0.7/src/lib.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 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 `umath` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "59fede2016267578c5d36acc784d44771c95996d6476406f6111c3a1e28e1c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59fede2016267578c5d36acc784d44771c95996d6476406f6111c3a1e28e1c53", kill_on_drop: false }`
[INFO] [stdout] 59fede2016267578c5d36acc784d44771c95996d6476406f6111c3a1e28e1c53