[INFO] fetching crate nova_middleware 0.0.1...
[INFO] checking nova_middleware-0.0.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate nova_middleware 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate nova_middleware 0.0.1 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 nova_middleware 0.0.1
[INFO] finished tweaking crates.io crate nova_middleware 0.0.1
[INFO] tweaked toml for crates.io crate nova_middleware 0.0.1 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 56 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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 nova_serde v0.0.1
[INFO] [stderr]   Downloaded nova_core v0.0.1
[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] 213f3cb00c747c2e620ce0c4b1e64d2040c9e342ec6115fa2bf98351ed5c6f03
[INFO] running `Command { std: "docker" "start" "-a" "213f3cb00c747c2e620ce0c4b1e64d2040c9e342ec6115fa2bf98351ed5c6f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "213f3cb00c747c2e620ce0c4b1e64d2040c9e342ec6115fa2bf98351ed5c6f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213f3cb00c747c2e620ce0c4b1e64d2040c9e342ec6115fa2bf98351ed5c6f03", kill_on_drop: false }`
[INFO] [stdout] 213f3cb00c747c2e620ce0c4b1e64d2040c9e342ec6115fa2bf98351ed5c6f03
[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] 397c3c81ce5c8a2695f2f1cebab1efe4af34cb92fdd9f98a76756fb5b0225aed
[INFO] running `Command { std: "docker" "start" "-a" "397c3c81ce5c8a2695f2f1cebab1efe4af34cb92fdd9f98a76756fb5b0225aed", kill_on_drop: false }`
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking xml-rs v0.8.20
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde-xml-rs v0.6.0
[INFO] [stderr]     Checking nova_serde v0.0.1
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking nova_core v0.0.1
[INFO] [stderr]     Checking nova_middleware v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "397c3c81ce5c8a2695f2f1cebab1efe4af34cb92fdd9f98a76756fb5b0225aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397c3c81ce5c8a2695f2f1cebab1efe4af34cb92fdd9f98a76756fb5b0225aed", kill_on_drop: false }`
[INFO] [stdout] 397c3c81ce5c8a2695f2f1cebab1efe4af34cb92fdd9f98a76756fb5b0225aed
[INFO] checking nova_middleware-0.0.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate nova_middleware 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate nova_middleware 0.0.1 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 nova_middleware 0.0.1
[INFO] finished tweaking crates.io crate nova_middleware 0.0.1
[INFO] tweaked toml for crates.io crate nova_middleware 0.0.1 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]     Blocking waiting for file lock on package cache
[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] ce2d071b685427f8a546149ca83f2bc5e91d76ea317f4fabfc04564120072f99
[INFO] running `Command { std: "docker" "start" "-a" "ce2d071b685427f8a546149ca83f2bc5e91d76ea317f4fabfc04564120072f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce2d071b685427f8a546149ca83f2bc5e91d76ea317f4fabfc04564120072f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2d071b685427f8a546149ca83f2bc5e91d76ea317f4fabfc04564120072f99", kill_on_drop: false }`
[INFO] [stdout] ce2d071b685427f8a546149ca83f2bc5e91d76ea317f4fabfc04564120072f99
[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] 20c69a96c7f638ee903610b9abbb53d1758f31df790a185b5d9a9c1eff22ab8c
[INFO] running `Command { std: "docker" "start" "-a" "20c69a96c7f638ee903610b9abbb53d1758f31df790a185b5d9a9c1eff22ab8c", kill_on_drop: false }`
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking xml-rs v0.8.20
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.2/src/inflate/core.rs:1196:9
[INFO] [stdout]      |
[INFO] [stdout] 1196 | /         match state {
[INFO] [stdout] 1197 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1198 | |                 l.bit_buf = 0;
[INFO] [stdout] 1199 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1741 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1742 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde-xml-rs v0.6.0
[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 `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "20c69a96c7f638ee903610b9abbb53d1758f31df790a185b5d9a9c1eff22ab8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c69a96c7f638ee903610b9abbb53d1758f31df790a185b5d9a9c1eff22ab8c", kill_on_drop: false }`
[INFO] [stdout] 20c69a96c7f638ee903610b9abbb53d1758f31df790a185b5d9a9c1eff22ab8c