[INFO] fetching crate cardano-net 0.2.1...
[INFO] checking cardano-net-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cardano-net 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cardano-net 0.2.1 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 cardano-net 0.2.1
[INFO] finished tweaking crates.io crate cardano-net 0.2.1
[INFO] tweaked toml for crates.io crate cardano-net 0.2.1 written to /workspace/builds/worker-0-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 113 packages
[INFO] [stderr]       Adding bech32 v0.9.1 (latest: v0.11.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cbored v0.3.5 (latest: v0.4.0)
[INFO] [stderr]       Adding cbored-derive v0.3.2 (latest: v0.4.0)
[INFO] [stderr]       Adding enum-as-inner v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hostname v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding idna v0.2.3 (latest: v0.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[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] [stderr]       Adding trust-dns-proto v0.21.2 (latest: v0.23.2)
[INFO] [stderr]       Adding trust-dns-resolver v0.21.2 (latest: v0.23.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[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 cbored v0.3.5
[INFO] [stderr]   Downloaded cardano-sdk v0.2.5
[INFO] [stderr]   Downloaded ed25519-bip32 v0.4.1
[INFO] [stderr]   Downloaded cbored-derive v0.3.2
[INFO] [stderr]   Downloaded enum-as-inner v0.4.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.21.2
[INFO] [stderr]   Downloaded bip39-dict v0.1.3
[INFO] [stderr]   Downloaded cryptoxide v0.4.4
[INFO] [stderr]   Downloaded trust-dns-proto v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6ad0d31aef8c0ffc17c7d7e36140626997320a0a991d91a00e291210a1505c8d
[INFO] running `Command { std: "docker" "start" "-a" "6ad0d31aef8c0ffc17c7d7e36140626997320a0a991d91a00e291210a1505c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad0d31aef8c0ffc17c7d7e36140626997320a0a991d91a00e291210a1505c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad0d31aef8c0ffc17c7d7e36140626997320a0a991d91a00e291210a1505c8d", kill_on_drop: false }`
[INFO] [stdout] 6ad0d31aef8c0ffc17c7d7e36140626997320a0a991d91a00e291210a1505c8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f484767b06f3c9022e5b7a80ca5a3fe8050d26e265942297e5a6353fb8cc8963
[INFO] running `Command { std: "docker" "start" "-a" "f484767b06f3c9022e5b7a80ca5a3fe8050d26e265942297e5a6353fb8cc8963", kill_on_drop: false }`
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking cryptoxide v0.4.4
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling cbored-derive v0.3.2
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking cbored v0.3.5
[INFO] [stderr]     Checking ed25519-bip32 v0.4.1
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking bip39-dict v0.1.3
[INFO] [stderr]     Checking cardano-sdk v0.2.5
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking trust-dns-resolver v0.21.2
[INFO] [stderr]     Checking cardano-net v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "f484767b06f3c9022e5b7a80ca5a3fe8050d26e265942297e5a6353fb8cc8963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f484767b06f3c9022e5b7a80ca5a3fe8050d26e265942297e5a6353fb8cc8963", kill_on_drop: false }`
[INFO] [stdout] f484767b06f3c9022e5b7a80ca5a3fe8050d26e265942297e5a6353fb8cc8963
[INFO] checking cardano-net-0.2.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cardano-net 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cardano-net 0.2.1 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 cardano-net 0.2.1
[INFO] finished tweaking crates.io crate cardano-net 0.2.1
[INFO] tweaked toml for crates.io crate cardano-net 0.2.1 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9588073ec6df6f014b2a9ef3d77bbe0af0631cf31293cfaef4f5997f0b3ffbd2
[INFO] running `Command { std: "docker" "start" "-a" "9588073ec6df6f014b2a9ef3d77bbe0af0631cf31293cfaef4f5997f0b3ffbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9588073ec6df6f014b2a9ef3d77bbe0af0631cf31293cfaef4f5997f0b3ffbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9588073ec6df6f014b2a9ef3d77bbe0af0631cf31293cfaef4f5997f0b3ffbd2", kill_on_drop: false }`
[INFO] [stdout] 9588073ec6df6f014b2a9ef3d77bbe0af0631cf31293cfaef4f5997f0b3ffbd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8c4ff23dfa485e078f99730bc51496241712eb52561a88790d693805dd516ea4
[INFO] running `Command { std: "docker" "start" "-a" "8c4ff23dfa485e078f99730bc51496241712eb52561a88790d693805dd516ea4", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signal-hook-registry-1.4.1/src/half_lock.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             unsafe { libc::abort() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-task v0.3.30
[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 `signal-hook-registry` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8c4ff23dfa485e078f99730bc51496241712eb52561a88790d693805dd516ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4ff23dfa485e078f99730bc51496241712eb52561a88790d693805dd516ea4", kill_on_drop: false }`
[INFO] [stdout] 8c4ff23dfa485e078f99730bc51496241712eb52561a88790d693805dd516ea4