[INFO] fetching crate scd30-modbus 0.2.0... [INFO] checking scd30-modbus-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate scd30-modbus 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate scd30-modbus 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate scd30-modbus 0.2.0 [INFO] finished tweaking crates.io crate scd30-modbus 0.2.0 [INFO] tweaked toml for crates.io crate scd30-modbus 0.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 80 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding async-fs v1.6.0 (latest: v2.1.1) [INFO] [stderr] Adding async-io v1.13.0 (latest: v2.3.2) [INFO] [stderr] Adding async-lock v2.8.0 (latest: v3.3.0) [INFO] [stderr] Adding async-net v1.8.0 (latest: v2.0.0) [INFO] [stderr] Adding async-process v1.8.1 (latest: v2.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v3.1.0 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v4.0.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener-strategy v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding io-lifetimes v1.0.11 (latest: v2.0.3) [INFO] [stderr] Adding linux-raw-sys v0.3.8 (latest: v0.6.4) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding polling v2.8.0 (latest: v3.6.0) [INFO] [stderr] Adding rustix v0.37.27 (latest: v0.38.32) [INFO] [stderr] Adding smol v1.3.0 (latest: v2.0.0) [INFO] [stderr] Adding socket2 v0.4.10 (latest: v0.5.6) [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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded embedded-hal v1.0.0 [INFO] [stderr] Downloaded embedded-hal-nb v1.0.0 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5dccf58f4c84f467fcef33266cc6fc9920fd0803dec302f609bf0ba719c3ff42 [INFO] running `Command { std: "docker" "start" "-a" "5dccf58f4c84f467fcef33266cc6fc9920fd0803dec302f609bf0ba719c3ff42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dccf58f4c84f467fcef33266cc6fc9920fd0803dec302f609bf0ba719c3ff42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dccf58f4c84f467fcef33266cc6fc9920fd0803dec302f609bf0ba719c3ff42", kill_on_drop: false }` [INFO] [stdout] 5dccf58f4c84f467fcef33266cc6fc9920fd0803dec302f609bf0ba719c3ff42 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c3bd5d8c9c88e43fbc1a90fdd73e5d95441ddbc714fdf97fb2e678d1259e4d8 [INFO] running `Command { std: "docker" "start" "-a" "8c3bd5d8c9c88e43fbc1a90fdd73e5d95441ddbc714fdf97fb2e678d1259e4d8", kill_on_drop: false }` [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Checking event-listener v5.3.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking event-listener-strategy v0.5.1 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking async-channel v2.2.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling async-fs v1.6.0 [INFO] [stderr] Checking event-listener v3.1.0 [INFO] [stderr] Checking embedded-hal v1.0.0 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking embedded-hal-nb v1.0.0 [INFO] [stderr] Checking async-net v1.8.0 [INFO] [stderr] Checking polling v3.6.0 [INFO] [stderr] Checking async-io v2.3.2 [INFO] [stderr] Checking async-signal v0.2.5 [INFO] [stderr] Checking async-process v1.8.1 [INFO] [stderr] Checking smol v1.3.0 [INFO] [stderr] Checking scd30-modbus v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.56s [INFO] running `Command { std: "docker" "inspect" "8c3bd5d8c9c88e43fbc1a90fdd73e5d95441ddbc714fdf97fb2e678d1259e4d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c3bd5d8c9c88e43fbc1a90fdd73e5d95441ddbc714fdf97fb2e678d1259e4d8", kill_on_drop: false }` [INFO] [stdout] 8c3bd5d8c9c88e43fbc1a90fdd73e5d95441ddbc714fdf97fb2e678d1259e4d8 [INFO] checking scd30-modbus-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate scd30-modbus 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate scd30-modbus 0.2.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate scd30-modbus 0.2.0 [INFO] finished tweaking crates.io crate scd30-modbus 0.2.0 [INFO] tweaked toml for crates.io crate scd30-modbus 0.2.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 80 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding async-fs v1.6.0 (latest: v2.1.1) [INFO] [stderr] Adding async-io v1.13.0 (latest: v2.3.2) [INFO] [stderr] Adding async-lock v2.8.0 (latest: v3.3.0) [INFO] [stderr] Adding async-net v1.8.0 (latest: v2.0.0) [INFO] [stderr] Adding async-process v1.8.1 (latest: v2.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v3.1.0 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v4.0.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener-strategy v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding io-lifetimes v1.0.11 (latest: v2.0.3) [INFO] [stderr] Adding linux-raw-sys v0.3.8 (latest: v0.6.4) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding polling v2.8.0 (latest: v3.6.0) [INFO] [stderr] Adding rustix v0.37.27 (latest: v0.38.32) [INFO] [stderr] Adding smol v1.3.0 (latest: v2.0.0) [INFO] [stderr] Adding socket2 v0.4.10 (latest: v0.5.6) [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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa7f999676a91a3a890578d874399b4080d457955e0f59e75138c034d2f73062 [INFO] running `Command { std: "docker" "start" "-a" "fa7f999676a91a3a890578d874399b4080d457955e0f59e75138c034d2f73062", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa7f999676a91a3a890578d874399b4080d457955e0f59e75138c034d2f73062", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa7f999676a91a3a890578d874399b4080d457955e0f59e75138c034d2f73062", kill_on_drop: false }` [INFO] [stdout] fa7f999676a91a3a890578d874399b4080d457955e0f59e75138c034d2f73062 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82a2a766199e862c1c568b2458a4f1d64c46401cebc6107d5be62c4f50b8a2bb [INFO] running `Command { std: "docker" "start" "-a" "82a2a766199e862c1c568b2458a4f1d64c46401cebc6107d5be62c4f50b8a2bb", kill_on_drop: false }` [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking event-listener v5.3.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking event-listener-strategy v0.5.1 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking async-channel v2.2.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling async-fs v1.6.0 [INFO] [stderr] Checking event-listener v3.1.0 [INFO] [stderr] Checking embedded-hal v1.0.0 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking embedded-hal-nb v1.0.0 [INFO] [stderr] Checking async-net v1.8.0 [INFO] [stderr] Checking polling v3.6.0 [INFO] [stderr] Checking async-io v2.3.2 [INFO] [stderr] Checking async-signal v0.2.5 [INFO] [stderr] Checking async-process v1.8.1 [INFO] [stderr] Checking smol v1.3.0 [INFO] [stderr] Checking scd30-modbus v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.78s [INFO] running `Command { std: "docker" "inspect" "82a2a766199e862c1c568b2458a4f1d64c46401cebc6107d5be62c4f50b8a2bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82a2a766199e862c1c568b2458a4f1d64c46401cebc6107d5be62c4f50b8a2bb", kill_on_drop: false }` [INFO] [stdout] 82a2a766199e862c1c568b2458a4f1d64c46401cebc6107d5be62c4f50b8a2bb