[INFO] fetching crate go-defer 0.1.0...
[INFO] checking go-defer-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate go-defer 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate go-defer 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 go-defer 0.1.0
[INFO] finished tweaking crates.io crate go-defer 0.1.0
[INFO] tweaked toml for crates.io crate go-defer 0.1.0 written to /workspace/builds/worker-5-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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 43fac4aa4fb46cad5c50f9a928571b5bea09db8c40061085ac36be1fb028e261
[INFO] running `Command { std: "docker" "start" "-a" "43fac4aa4fb46cad5c50f9a928571b5bea09db8c40061085ac36be1fb028e261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43fac4aa4fb46cad5c50f9a928571b5bea09db8c40061085ac36be1fb028e261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43fac4aa4fb46cad5c50f9a928571b5bea09db8c40061085ac36be1fb028e261", kill_on_drop: false }`
[INFO] [stdout] 43fac4aa4fb46cad5c50f9a928571b5bea09db8c40061085ac36be1fb028e261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e6bafc3a1c85fa15f41abafa5862e359e654ad4d75eb82f1fe5d3834b13f9027
[INFO] running `Command { std: "docker" "start" "-a" "e6bafc3a1c85fa15f41abafa5862e359e654ad4d75eb82f1fe5d3834b13f9027", kill_on_drop: false }`
[INFO] [stderr]     Checking go-defer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "e6bafc3a1c85fa15f41abafa5862e359e654ad4d75eb82f1fe5d3834b13f9027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6bafc3a1c85fa15f41abafa5862e359e654ad4d75eb82f1fe5d3834b13f9027", kill_on_drop: false }`
[INFO] [stdout] e6bafc3a1c85fa15f41abafa5862e359e654ad4d75eb82f1fe5d3834b13f9027
[INFO] checking go-defer-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate go-defer 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate go-defer 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 go-defer 0.1.0
[INFO] finished tweaking crates.io crate go-defer 0.1.0
[INFO] tweaked toml for crates.io crate go-defer 0.1.0 written to /workspace/builds/worker-5-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] 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f6a033e2b72f847022b246a09cc406d4088bf3aaa6cfb944be0ef71b55147938
[INFO] running `Command { std: "docker" "start" "-a" "f6a033e2b72f847022b246a09cc406d4088bf3aaa6cfb944be0ef71b55147938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a033e2b72f847022b246a09cc406d4088bf3aaa6cfb944be0ef71b55147938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a033e2b72f847022b246a09cc406d4088bf3aaa6cfb944be0ef71b55147938", kill_on_drop: false }`
[INFO] [stdout] f6a033e2b72f847022b246a09cc406d4088bf3aaa6cfb944be0ef71b55147938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 89c52ca536b67aa4dc717afd9058c4b2405bacb9820f25964bccd172d59abfc5
[INFO] running `Command { std: "docker" "start" "-a" "89c52ca536b67aa4dc717afd9058c4b2405bacb9820f25964bccd172d59abfc5", kill_on_drop: false }`
[INFO] [stderr]     Checking go-defer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed for `Result<R, Box<dyn Any + Send>>`
[INFO] [stdout]    --> src/lib.rs:113:7
[INFO] [stdout]     |
[INFO] [stdout] 113 |           let should_panic = catch_unwind(AssertUnwindSafe(|| {
[INFO] [stdout]     |  _____________^^^^^^^^^^^^___-
[INFO] [stdout] 114 | |             defer!(called = true);
[INFO] [stdout] 115 | |             panic!();
[INFO] [stdout] 116 | |         }));
[INFO] [stdout]     | |___________- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `should_panic` an explicit type, where the type for type parameter `R` is specified
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let should_panic: Result<R, Box<dyn Any + Send>> = catch_unwind(AssertUnwindSafe(|| {
[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 `go-defer` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "89c52ca536b67aa4dc717afd9058c4b2405bacb9820f25964bccd172d59abfc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c52ca536b67aa4dc717afd9058c4b2405bacb9820f25964bccd172d59abfc5", kill_on_drop: false }`
[INFO] [stdout] 89c52ca536b67aa4dc717afd9058c4b2405bacb9820f25964bccd172d59abfc5