[INFO] fetching crate probe-rs-rtt 0.14.2...
[INFO] checking probe-rs-rtt-0.14.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate probe-rs-rtt 0.14.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate probe-rs-rtt 0.14.2 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 probe-rs-rtt 0.14.2
[INFO] finished tweaking crates.io crate probe-rs-rtt 0.14.2
[INFO] tweaked toml for crates.io crate probe-rs-rtt 0.14.2 written to /workspace/builds/worker-4-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 68 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding enum-primitive-derive v0.2.2 (latest: v0.3.0)
[INFO] [stderr]       Adding fallible-iterator v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding gimli v0.27.3 (latest: v0.28.1)
[INFO] [stderr]       Adding object v0.30.4 (latest: v0.34.0)
[INFO] [stderr]       Adding probe-rs v0.14.2 (latest: v0.23.0)
[INFO] [stderr]       Adding probe-rs-target v0.14.2 (latest: v0.23.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding scroll v0.10.2 (latest: v0.12.0)
[INFO] [stderr]       Adding scroll v0.11.0 (latest: v0.12.0)
[INFO] [stderr]       Adding svg v0.13.1 (latest: v0.16.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 wyz v0.5.1 (latest: v0.6.1)
[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 svg v0.13.1
[INFO] [stderr]   Downloaded hidapi v2.6.1
[INFO] [stderr]   Downloaded ihex v3.0.0
[INFO] [stderr]   Downloaded jep106 v0.2.8
[INFO] [stderr]   Downloaded probe-rs-target v0.14.2
[INFO] [stderr]   Downloaded jaylink v0.3.0
[INFO] [stderr]   Downloaded probe-rs v0.14.2
[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] 00bf8929dc2e9f1668d34b90ce5cdf36b38779d265873c60497dcf2a57608dbb
[INFO] running `Command { std: "docker" "start" "-a" "00bf8929dc2e9f1668d34b90ce5cdf36b38779d265873c60497dcf2a57608dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00bf8929dc2e9f1668d34b90ce5cdf36b38779d265873c60497dcf2a57608dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00bf8929dc2e9f1668d34b90ce5cdf36b38779d265873c60497dcf2a57608dbb", kill_on_drop: false }`
[INFO] [stdout] 00bf8929dc2e9f1668d34b90ce5cdf36b38779d265873c60497dcf2a57608dbb
[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] 358b641408d2eb30075acb5d1aa9bc14afe0ecfd8f0ad153bb8aa04456a77bf8
[INFO] running `Command { std: "docker" "start" "-a" "358b641408d2eb30075acb5d1aa9bc14afe0ecfd8f0ad153bb8aa04456a77bf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]    Compiling hidapi v2.6.1
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling rusb v0.9.3
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking object v0.30.4
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking ihex v3.0.0
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking svg v0.13.1
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]     Checking jaylink v0.3.0
[INFO] [stderr]     Checking jep106 v0.2.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking probe-rs-target v0.14.2
[INFO] [stderr]    Compiling probe-rs v0.14.2
[INFO] [stderr]     Checking probe-rs-rtt v0.14.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "358b641408d2eb30075acb5d1aa9bc14afe0ecfd8f0ad153bb8aa04456a77bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358b641408d2eb30075acb5d1aa9bc14afe0ecfd8f0ad153bb8aa04456a77bf8", kill_on_drop: false }`
[INFO] [stdout] 358b641408d2eb30075acb5d1aa9bc14afe0ecfd8f0ad153bb8aa04456a77bf8
[INFO] checking probe-rs-rtt-0.14.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate probe-rs-rtt 0.14.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate probe-rs-rtt 0.14.2 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 probe-rs-rtt 0.14.2
[INFO] finished tweaking crates.io crate probe-rs-rtt 0.14.2
[INFO] tweaked toml for crates.io crate probe-rs-rtt 0.14.2 written to /workspace/builds/worker-4-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-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] 261959e505430a48eca61483ec1db8825330ca0fd7142fc53c27f6514a1b1aca
[INFO] running `Command { std: "docker" "start" "-a" "261959e505430a48eca61483ec1db8825330ca0fd7142fc53c27f6514a1b1aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261959e505430a48eca61483ec1db8825330ca0fd7142fc53c27f6514a1b1aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261959e505430a48eca61483ec1db8825330ca0fd7142fc53c27f6514a1b1aca", kill_on_drop: false }`
[INFO] [stdout] 261959e505430a48eca61483ec1db8825330ca0fd7142fc53c27f6514a1b1aca
[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] c4402f3e711ad2eabd4f8de14f0d9a54d07ffa037e9c9b57611e0eda357e3f43
[INFO] running `Command { std: "docker" "start" "-a" "c4402f3e711ad2eabd4f8de14f0d9a54d07ffa037e9c9b57611e0eda357e3f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling rusb v0.9.3
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]    Compiling hidapi v2.6.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking object v0.30.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking svg v0.13.1
[INFO] [stderr]     Checking ihex v3.0.0
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking jaylink v0.3.0
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]     Checking jep106 v0.2.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking probe-rs-target v0.14.2
[INFO] [stderr]    Compiling probe-rs v0.14.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/probe-rs-0.14.2/src/debug/debug_info.rs:879:29
[INFO] [stdout]     |
[INFO] [stdout] 879 | / ...                   if unwind_register(
[INFO] [stdout] 880 | | ...                       calling_pc,
[INFO] [stdout] 881 | | ...                       &callee_frame_registers,
[INFO] [stdout] 882 | | ...                       None,
[INFO] [stdout] ...   |
[INFO] [stdout] 895 | | ...                       continue 'unwind;
[INFO] [stdout] 896 | | ...                   };
[INFO] [stdout]     | |_______________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[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 `probe-rs` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c4402f3e711ad2eabd4f8de14f0d9a54d07ffa037e9c9b57611e0eda357e3f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4402f3e711ad2eabd4f8de14f0d9a54d07ffa037e9c9b57611e0eda357e3f43", kill_on_drop: false }`
[INFO] [stdout] c4402f3e711ad2eabd4f8de14f0d9a54d07ffa037e9c9b57611e0eda357e3f43