[INFO] cloning repository https://github.com/ForsakenHarmony/serial-ws2812 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ForsakenHarmony/serial-ws2812" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fserial-ws2812", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fserial-ws2812'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 647c70a2e7fe253dea2f6aa0f16f7298e4db39e2 [INFO] checking ForsakenHarmony/serial-ws2812 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fserial-ws2812" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ForsakenHarmony/serial-ws2812 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] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/ForsakenHarmony/serial-ws2812 [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/ForsakenHarmony/serial-ws2812 [INFO] tweaked toml for git repo https://github.com/ForsakenHarmony/serial-ws2812 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ForsakenHarmony/serial-ws2812 already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-serial v5.4.4 [INFO] [stderr] Downloaded bitflags v2.0.2 [INFO] [stderr] Downloaded mio-serial v5.0.5 [INFO] [stderr] Downloaded serialport v4.2.1 [INFO] [stderr] Downloaded regex-syntax v0.7.3 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c0dbdb10bad61eaf70f03813a2e0ec933ecbeec1585a7198b61f854fc99aa007 [INFO] running `Command { std: "docker" "start" "-a" "c0dbdb10bad61eaf70f03813a2e0ec933ecbeec1585a7198b61f854fc99aa007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0dbdb10bad61eaf70f03813a2e0ec933ecbeec1585a7198b61f854fc99aa007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0dbdb10bad61eaf70f03813a2e0ec933ecbeec1585a7198b61f854fc99aa007", kill_on_drop: false }` [INFO] [stdout] c0dbdb10bad61eaf70f03813a2e0ec933ecbeec1585a7198b61f854fc99aa007 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db3807489bd4731ee432bf8bcc5f102ba5eb41cb6e171e4e9e911cdc86e4fe0b [INFO] running `Command { std: "docker" "start" "-a" "db3807489bd4731ee432bf8bcc5f102ba5eb41cb6e171e4e9e911cdc86e4fe0b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking regex-syntax v0.7.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Compiling backtrace v0.3.68 [INFO] [stderr] Checking gimli v0.27.3 [INFO] [stderr] Compiling thiserror v1.0.44 [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking lock_api v0.4.10 [INFO] [stderr] Checking parking_lot_core v0.9.8 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking bitflags v2.0.2 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking serial-ws2812-shared v0.0.1 (/opt/rustwide/workdir/shared) [INFO] [stderr] Checking object v0.31.1 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Checking regex-automata v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking serialport v4.2.1 [INFO] [stderr] Checking addr2line v0.20.0 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling thiserror-impl v1.0.44 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking serial-ws2812 v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.0 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.75s [INFO] running `Command { std: "docker" "inspect" "db3807489bd4731ee432bf8bcc5f102ba5eb41cb6e171e4e9e911cdc86e4fe0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db3807489bd4731ee432bf8bcc5f102ba5eb41cb6e171e4e9e911cdc86e4fe0b", kill_on_drop: false }` [INFO] [stdout] db3807489bd4731ee432bf8bcc5f102ba5eb41cb6e171e4e9e911cdc86e4fe0b [INFO] checking ForsakenHarmony/serial-ws2812 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fserial-ws2812" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ForsakenHarmony/serial-ws2812 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] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/ForsakenHarmony/serial-ws2812 [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/ForsakenHarmony/serial-ws2812 [INFO] tweaked toml for git repo https://github.com/ForsakenHarmony/serial-ws2812 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ForsakenHarmony/serial-ws2812 already has a lockfile, it will not be regenerated [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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94c01d7b07729b5b40e2d511428604b4dfd52471dba0cb33f41fb7b09cea3b96 [INFO] running `Command { std: "docker" "start" "-a" "94c01d7b07729b5b40e2d511428604b4dfd52471dba0cb33f41fb7b09cea3b96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94c01d7b07729b5b40e2d511428604b4dfd52471dba0cb33f41fb7b09cea3b96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94c01d7b07729b5b40e2d511428604b4dfd52471dba0cb33f41fb7b09cea3b96", kill_on_drop: false }` [INFO] [stdout] 94c01d7b07729b5b40e2d511428604b4dfd52471dba0cb33f41fb7b09cea3b96 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 060f80f5ea30a3474e5f075b3dcf40bc5e7846ae2759dd47ffd417f941cf51fd [INFO] running `Command { std: "docker" "start" "-a" "060f80f5ea30a3474e5f075b3dcf40bc5e7846ae2759dd47ffd417f941cf51fd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Checking regex-syntax v0.7.3 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Compiling backtrace v0.3.68 [INFO] [stderr] Compiling thiserror v1.0.44 [INFO] [stderr] Checking gimli v0.27.3 [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking lock_api v0.4.10 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking parking_lot_core v0.9.8 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking bitflags v2.0.2 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking serial-ws2812-shared v0.0.1 (/opt/rustwide/workdir/shared) [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Checking object v0.31.1 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Checking serialport v4.2.1 [INFO] [stderr] Checking regex-automata v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking addr2line v0.20.0 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling thiserror-impl v1.0.44 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking serial-ws2812 v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.0 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.90s [INFO] running `Command { std: "docker" "inspect" "060f80f5ea30a3474e5f075b3dcf40bc5e7846ae2759dd47ffd417f941cf51fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "060f80f5ea30a3474e5f075b3dcf40bc5e7846ae2759dd47ffd417f941cf51fd", kill_on_drop: false }` [INFO] [stdout] 060f80f5ea30a3474e5f075b3dcf40bc5e7846ae2759dd47ffd417f941cf51fd