[INFO] fetching crate rust_web_framework 0.1.6...
[INFO] checking rust_web_framework-0.1.6 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rust_web_framework 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rust_web_framework 0.1.6 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 rust_web_framework 0.1.6
[INFO] finished tweaking crates.io crate rust_web_framework 0.1.6
[INFO] tweaked toml for crates.io crate rust_web_framework 0.1.6 written to /workspace/builds/worker-3-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 6 packages
[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 terminal-link v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dec58dbd9560bb1ad4f22434b2ff37924a3307026f70797743a4fe7b8d0cc79d
[INFO] running `Command { std: "docker" "start" "-a" "dec58dbd9560bb1ad4f22434b2ff37924a3307026f70797743a4fe7b8d0cc79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dec58dbd9560bb1ad4f22434b2ff37924a3307026f70797743a4fe7b8d0cc79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec58dbd9560bb1ad4f22434b2ff37924a3307026f70797743a4fe7b8d0cc79d", kill_on_drop: false }`
[INFO] [stdout] dec58dbd9560bb1ad4f22434b2ff37924a3307026f70797743a4fe7b8d0cc79d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7eaef23316b16669375675ad9768edd861058aef12d5726563a28a2f63686188
[INFO] running `Command { std: "docker" "start" "-a" "7eaef23316b16669375675ad9768edd861058aef12d5726563a28a2f63686188", kill_on_drop: false }`
[INFO] [stderr]     Checking terminal-link v0.1.0
[INFO] [stderr]     Checking rust_web_framework v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "7eaef23316b16669375675ad9768edd861058aef12d5726563a28a2f63686188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eaef23316b16669375675ad9768edd861058aef12d5726563a28a2f63686188", kill_on_drop: false }`
[INFO] [stdout] 7eaef23316b16669375675ad9768edd861058aef12d5726563a28a2f63686188
[INFO] checking rust_web_framework-0.1.6 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate rust_web_framework 0.1.6 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate rust_web_framework 0.1.6 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 rust_web_framework 0.1.6
[INFO] finished tweaking crates.io crate rust_web_framework 0.1.6
[INFO] tweaked toml for crates.io crate rust_web_framework 0.1.6 written to /workspace/builds/worker-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0717f0a435ee9005272d0adf72ebb75de287bd7ea6d096d7a2409f13030e2e0e
[INFO] running `Command { std: "docker" "start" "-a" "0717f0a435ee9005272d0adf72ebb75de287bd7ea6d096d7a2409f13030e2e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0717f0a435ee9005272d0adf72ebb75de287bd7ea6d096d7a2409f13030e2e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0717f0a435ee9005272d0adf72ebb75de287bd7ea6d096d7a2409f13030e2e0e", kill_on_drop: false }`
[INFO] [stdout] 0717f0a435ee9005272d0adf72ebb75de287bd7ea6d096d7a2409f13030e2e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 33777d9172119801779e8f51a867b3fa533f7ab64be3b828927000b51f71f265
[INFO] running `Command { std: "docker" "start" "-a" "33777d9172119801779e8f51a867b3fa533f7ab64be3b828927000b51f71f265", kill_on_drop: false }`
[INFO] [stderr]     Checking terminal-link v0.1.0
[INFO] [stderr]     Checking rust_web_framework v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/response.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | /         match path.extension() {
[INFO] [stdout] 210 | |             Some(ext) => {
[INFO] [stdout] 211 | |                 match ext.to_str() {
[INFO] [stdout] 212 | |                     /*- Html -*/
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |             None => return ResponseType::Text,
[INFO] [stdout] 235 | |         };
[INFO] [stdout]     | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/response.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | /         match path.extension() {
[INFO] [stdout] 210 | |             Some(ext) => {
[INFO] [stdout] 211 | |                 match ext.to_str() {
[INFO] [stdout] 212 | |                     /*- Html -*/
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |             None => return ResponseType::Text,
[INFO] [stdout] 235 | |         };
[INFO] [stdout]     | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> src/lib.rs:299:13
[INFO] [stdout]     |
[INFO] [stdout] 299 | /             if tail_found { return Ok(()); }
[INFO] [stdout] 300 | |             else { return Err(()); }
[INFO] [stdout]     | |____________________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> src/lib.rs:299:13
[INFO] [stdout]     |
[INFO] [stdout] 299 | /             if tail_found { return Ok(()); }
[INFO] [stdout] 300 | |             else { return Err(()); }
[INFO] [stdout]     | |____________________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0284.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0284.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_web_framework` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust_web_framework` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "33777d9172119801779e8f51a867b3fa533f7ab64be3b828927000b51f71f265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33777d9172119801779e8f51a867b3fa533f7ab64be3b828927000b51f71f265", kill_on_drop: false }`
[INFO] [stdout] 33777d9172119801779e8f51a867b3fa533f7ab64be3b828927000b51f71f265