[INFO] fetching crate acir 0.27.0...
[INFO] checking acir-0.27.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate acir 0.27.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate acir 0.27.0 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 acir 0.27.0
[INFO] finished tweaking crates.io crate acir 0.27.0
[INFO] tweaked toml for crates.io crate acir 0.27.0 written to /workspace/builds/worker-6-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 65 packages
[INFO] [stderr]       Adding acir_field v0.27.4 (latest: v0.42.0)
[INFO] [stderr]       Adding brillig v0.27.0 (latest: v0.42.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding strum v0.24.1 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.24.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 crypto-common v0.1.6
[INFO] [stderr]   Downloaded num-integer v0.1.46
[INFO] [stderr]   Downloaded acir_field v0.27.4
[INFO] [stderr]   Downloaded brillig v0.27.0
[INFO] [stderr]   Downloaded rmp v0.8.12
[INFO] [stderr]   Downloaded strum v0.24.1
[INFO] [stderr]   Downloaded ark-serialize-derive v0.4.2
[INFO] [stderr]   Downloaded zeroize v1.7.0
[INFO] [stderr]   Downloaded ark-serialize v0.4.2
[INFO] [stderr]   Downloaded ark-std v0.4.0
[INFO] [stderr]   Downloaded hex v0.4.3
[INFO] [stderr]   Downloaded ark-ff-macros v0.4.2
[INFO] [stderr]   Downloaded ark-bn254 v0.4.0
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded ahash v0.8.11
[INFO] [stderr]   Downloaded zerocopy v0.7.32
[INFO] [stderr]   Downloaded hashbrown v0.13.2
[INFO] [stderr]   Downloaded ark-bls12-381 v0.4.0
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded ark-ec v0.4.2
[INFO] [stderr]   Downloaded ark-poly v0.4.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.7.32
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded ark-ff v0.4.2
[INFO] [stderr]   Downloaded num-bigint v0.4.4
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded rmp-serde v1.1.2
[INFO] [stderr]   Downloaded ark-ff-asm v0.4.2
[INFO] [stderr]   Downloaded either v1.10.0
[INFO] [stderr]   Downloaded zeroize_derive v1.4.2
[INFO] [stderr]   Downloaded generic-array v0.14.7
[INFO] [stderr]   Downloaded digest v0.10.7
[INFO] [stderr]   Downloaded paste v1.0.14
[INFO] [stderr]   Downloaded rustversion v1.0.14
[INFO] [stderr]   Downloaded strum_macros v0.24.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b3a87e734c52a509334f356afa1e7b3b3634b66afbe77fa942adefdd46b20c12
[INFO] running `Command { std: "docker" "start" "-a" "b3a87e734c52a509334f356afa1e7b3b3634b66afbe77fa942adefdd46b20c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3a87e734c52a509334f356afa1e7b3b3634b66afbe77fa942adefdd46b20c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a87e734c52a509334f356afa1e7b3b3634b66afbe77fa942adefdd46b20c12", kill_on_drop: false }`
[INFO] [stdout] b3a87e734c52a509334f356afa1e7b3b3634b66afbe77fa942adefdd46b20c12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f695051afb7684ce4753c042654508fc08f64d4147a99028593396f4f8c206a6
[INFO] running `Command { std: "docker" "start" "-a" "f695051afb7684ce4753c042654508fc08f64d4147a99028593396f4f8c206a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking ark-ff v0.4.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ark-poly v0.4.2
[INFO] [stderr]     Checking ark-ec v0.4.2
[INFO] [stderr]     Checking ark-bn254 v0.4.0
[INFO] [stderr]     Checking acir_field v0.27.4
[INFO] [stderr]     Checking brillig v0.27.0
[INFO] [stderr]     Checking acir v0.27.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.77s
[INFO] running `Command { std: "docker" "inspect" "f695051afb7684ce4753c042654508fc08f64d4147a99028593396f4f8c206a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f695051afb7684ce4753c042654508fc08f64d4147a99028593396f4f8c206a6", kill_on_drop: false }`
[INFO] [stdout] f695051afb7684ce4753c042654508fc08f64d4147a99028593396f4f8c206a6
[INFO] checking acir-0.27.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate acir 0.27.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate acir 0.27.0 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 acir 0.27.0
[INFO] finished tweaking crates.io crate acir 0.27.0
[INFO] tweaked toml for crates.io crate acir 0.27.0 written to /workspace/builds/worker-6-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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a849a894a8a7e355fafe9ff42e29dafb0d724d540811591b4a7155063ac0eeba
[INFO] running `Command { std: "docker" "start" "-a" "a849a894a8a7e355fafe9ff42e29dafb0d724d540811591b4a7155063ac0eeba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a849a894a8a7e355fafe9ff42e29dafb0d724d540811591b4a7155063ac0eeba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a849a894a8a7e355fafe9ff42e29dafb0d724d540811591b4a7155063ac0eeba", kill_on_drop: false }`
[INFO] [stdout] a849a894a8a7e355fafe9ff42e29dafb0d724d540811591b4a7155063ac0eeba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 445fd1bf639c303fa3ef5364e8da3fdbab2b54472db3bf370625f4647e4479c5
[INFO] running `Command { std: "docker" "start" "-a" "445fd1bf639c303fa3ef5364e8da3fdbab2b54472db3bf370625f4647e4479c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking itoa v1.0.11
[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]    Compiling heck v0.4.1
[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" "445fd1bf639c303fa3ef5364e8da3fdbab2b54472db3bf370625f4647e4479c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445fd1bf639c303fa3ef5364e8da3fdbab2b54472db3bf370625f4647e4479c5", kill_on_drop: false }`
[INFO] [stdout] 445fd1bf639c303fa3ef5364e8da3fdbab2b54472db3bf370625f4647e4479c5