[INFO] fetching crate rich-strong-server 0.1.2...
[INFO] checking rich-strong-server-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rich-strong-server 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rich-strong-server 0.1.2 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 rich-strong-server 0.1.2
[INFO] finished tweaking crates.io crate rich-strong-server 0.1.2
[INFO] tweaked toml for crates.io crate rich-strong-server 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rich-strong-server 0.1.2 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sni_shuffle v0.1.0
[INFO] [stderr]   Downloaded enum-iterator-derive v1.0.1
[INFO] [stderr]   Downloaded configparser v3.0.0
[INFO] [stderr]   Downloaded rich-strong-lib v0.1.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded proc-macro2 v1.0.40
[INFO] [stderr]   Downloaded backtrace v0.3.65
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded object v0.28.4
[INFO] [stderr]   Downloaded quote v1.0.20
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded windows_i686_gnu v0.36.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.36.1
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.36.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.98
[INFO] [stderr]   Downloaded enum-iterator v1.1.2
[INFO] [stderr]   Downloaded mio v0.8.4
[INFO] [stderr]   Downloaded windows-sys v0.36.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.36.1
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] de02cc3a39915bd53c431f7cd3fa6011240399e5de13819ae1c7568a8f80fb97
[INFO] running `Command { std: "docker" "start" "-a" "de02cc3a39915bd53c431f7cd3fa6011240399e5de13819ae1c7568a8f80fb97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de02cc3a39915bd53c431f7cd3fa6011240399e5de13819ae1c7568a8f80fb97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de02cc3a39915bd53c431f7cd3fa6011240399e5de13819ae1c7568a8f80fb97", kill_on_drop: false }`
[INFO] [stdout] de02cc3a39915bd53c431f7cd3fa6011240399e5de13819ae1c7568a8f80fb97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cdc8ba8296a80e907878274c7b1d55e88bee45ddd95e4c0758dc216429eb700a
[INFO] running `Command { std: "docker" "start" "-a" "cdc8ba8296a80e907878274c7b1d55e88bee45ddd95e4c0758dc216429eb700a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking sni_shuffle v0.1.0
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking configparser v3.0.0
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling enum-iterator-derive v1.0.1
[INFO] [stderr]     Checking enum-iterator v1.1.2
[INFO] [stderr]     Checking rich-strong-lib v0.1.2
[INFO] [stderr]     Checking rich-strong-server v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "cdc8ba8296a80e907878274c7b1d55e88bee45ddd95e4c0758dc216429eb700a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc8ba8296a80e907878274c7b1d55e88bee45ddd95e4c0758dc216429eb700a", kill_on_drop: false }`
[INFO] [stdout] cdc8ba8296a80e907878274c7b1d55e88bee45ddd95e4c0758dc216429eb700a
[INFO] checking rich-strong-server-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate rich-strong-server 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rich-strong-server 0.1.2 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 rich-strong-server 0.1.2
[INFO] finished tweaking crates.io crate rich-strong-server 0.1.2
[INFO] tweaked toml for crates.io crate rich-strong-server 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate rich-strong-server 0.1.2 already has a lockfile, it will not be regenerated
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 02f5f689b1da3e299838552641a710b77a6b6fba2769ac731e6d54077b570a5c
[INFO] running `Command { std: "docker" "start" "-a" "02f5f689b1da3e299838552641a710b77a6b6fba2769ac731e6d54077b570a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f5f689b1da3e299838552641a710b77a6b6fba2769ac731e6d54077b570a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f5f689b1da3e299838552641a710b77a6b6fba2769ac731e6d54077b570a5c", kill_on_drop: false }`
[INFO] [stdout] 02f5f689b1da3e299838552641a710b77a6b6fba2769ac731e6d54077b570a5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b9252cb4b412e18eb022dcf80ed8bd1faa7938df703c8196662fe0c8f044ff9e
[INFO] running `Command { std: "docker" "start" "-a" "b9252cb4b412e18eb022dcf80ed8bd1faa7938df703c8196662fe0c8f044ff9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking configparser v3.0.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.5.3/src/inflate/core.rs:1107:9
[INFO] [stdout]      |
[INFO] [stdout] 1107 | /         match state {
[INFO] [stdout] 1108 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1109 | |                 l.bit_buf = 0;
[INFO] [stdout] 1110 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1639 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1640 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] running `Command { std: "docker" "inspect" "b9252cb4b412e18eb022dcf80ed8bd1faa7938df703c8196662fe0c8f044ff9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9252cb4b412e18eb022dcf80ed8bd1faa7938df703c8196662fe0c8f044ff9e", kill_on_drop: false }`
[INFO] [stdout] b9252cb4b412e18eb022dcf80ed8bd1faa7938df703c8196662fe0c8f044ff9e