[INFO] cloning repository https://github.com/mycognosist/mbus_read [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mycognosist/mbus_read" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmycognosist%2Fmbus_read", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmycognosist%2Fmbus_read'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cef4d58f7e2bdff35ae8bafecd22a77b4f744a7d [INFO] checking mycognosist/mbus_read against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmycognosist%2Fmbus_read" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mycognosist/mbus_read on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mycognosist/mbus_read [INFO] finished tweaking git repo https://github.com/mycognosist/mbus_read [INFO] tweaked toml for git repo https://github.com/mycognosist/mbus_read written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mycognosist/mbus_read 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mio-serial v0.6.0 [INFO] [stderr] Downloaded ioctl-rs v0.1.6 [INFO] [stderr] Downloaded libudev v0.2.0 [INFO] [stderr] Downloaded tokio-serial v0.6.0 [INFO] [stderr] Downloaded ktmw32-sys v0.1.1 [INFO] [stderr] Downloaded winreg v0.4.0 [INFO] [stderr] Downloaded log v0.4.2 [INFO] [stderr] Downloaded serialport v1.0.1 [INFO] [stderr] Downloaded tokio-modbus v0.2.1 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 46f84d6dc9e69c9c60c76e9983a8f048f05034ef3cb5533c785127632b32b627 [INFO] running `Command { std: "docker" "start" "-a" "46f84d6dc9e69c9c60c76e9983a8f048f05034ef3cb5533c785127632b32b627", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46f84d6dc9e69c9c60c76e9983a8f048f05034ef3cb5533c785127632b32b627", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46f84d6dc9e69c9c60c76e9983a8f048f05034ef3cb5533c785127632b32b627", kill_on_drop: false }` [INFO] [stdout] 46f84d6dc9e69c9c60c76e9983a8f048f05034ef3cb5533c785127632b32b627 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b307d9ca001ed4bc26da31a0a8001ca2beb34d547b34a15102ecf1840a8c465 [INFO] running `Command { std: "docker" "start" "-a" "3b307d9ca001ed4bc26da31a0a8001ca2beb34d547b34a15102ecf1840a8c465", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking futures v0.1.21 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking log v0.4.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling pkg-config v0.3.11 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking bytes v0.4.8 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking tokio-threadpool v0.1.4 [INFO] [stderr] Checking tokio-timer v0.2.4 [INFO] [stderr] Checking serialport v1.0.1 [INFO] [stderr] Checking mio-serial v0.6.0 [INFO] [stderr] Checking tokio-reactor v0.1.2 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-fs v0.1.1 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-serial v0.6.0 [INFO] [stderr] Checking tokio-modbus v0.2.1 [INFO] [stderr] Checking mbus_read v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s [INFO] running `Command { std: "docker" "inspect" "3b307d9ca001ed4bc26da31a0a8001ca2beb34d547b34a15102ecf1840a8c465", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b307d9ca001ed4bc26da31a0a8001ca2beb34d547b34a15102ecf1840a8c465", kill_on_drop: false }` [INFO] [stdout] 3b307d9ca001ed4bc26da31a0a8001ca2beb34d547b34a15102ecf1840a8c465 [INFO] checking mycognosist/mbus_read against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmycognosist%2Fmbus_read" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mycognosist/mbus_read on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mycognosist/mbus_read [INFO] finished tweaking git repo https://github.com/mycognosist/mbus_read [INFO] tweaked toml for git repo https://github.com/mycognosist/mbus_read written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mycognosist/mbus_read 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd5304eb2dbcd92fc658da5ccc9e07293754e840427cf306dc0a39abbc7e2b0e [INFO] running `Command { std: "docker" "start" "-a" "cd5304eb2dbcd92fc658da5ccc9e07293754e840427cf306dc0a39abbc7e2b0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd5304eb2dbcd92fc658da5ccc9e07293754e840427cf306dc0a39abbc7e2b0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd5304eb2dbcd92fc658da5ccc9e07293754e840427cf306dc0a39abbc7e2b0e", kill_on_drop: false }` [INFO] [stdout] cd5304eb2dbcd92fc658da5ccc9e07293754e840427cf306dc0a39abbc7e2b0e [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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b440164eba2dd752d9862ffba70a1984191a8a7d0ea8ed57f20c92e8005d2a72 [INFO] running `Command { std: "docker" "start" "-a" "b440164eba2dd752d9862ffba70a1984191a8a7d0ea8ed57f20c92e8005d2a72", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking futures v0.1.21 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Checking log v0.4.2 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling pkg-config v0.3.11 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking bytes v0.4.8 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking serialport v1.0.1 [INFO] [stderr] Checking tokio-threadpool v0.1.4 [INFO] [stderr] Checking tokio-timer v0.2.4 [INFO] [stderr] Checking tokio-reactor v0.1.2 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking mio-serial v0.6.0 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.1 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-serial v0.6.0 [INFO] [stderr] Checking tokio-modbus v0.2.1 [INFO] [stderr] Checking mbus_read v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 71 | let task = Client::connect_rtu(port, modbus_addr, &handle).and_then(|client| { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 72 | println!("Reading registers"); [INFO] [stdout] 73 | / client [INFO] [stdout] 74 | | //.read_holding_registers(0x082B, 2) [INFO] [stdout] 75 | | .read_holding_registers(start_register, registers) [INFO] [stdout] | |______________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 71 | let task = Client::connect_rtu(port, modbus_addr, &handle).and_then(|client| { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 72 | println!("Reading registers"); [INFO] [stdout] 73 | / client [INFO] [stdout] 74 | | //.read_holding_registers(0x082B, 2) [INFO] [stdout] 75 | | .read_holding_registers(start_register, registers) [INFO] [stdout] | |______________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mbus_read` (bin "mbus_read") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mbus_read` (bin "mbus_read" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b440164eba2dd752d9862ffba70a1984191a8a7d0ea8ed57f20c92e8005d2a72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b440164eba2dd752d9862ffba70a1984191a8a7d0ea8ed57f20c92e8005d2a72", kill_on_drop: false }` [INFO] [stdout] b440164eba2dd752d9862ffba70a1984191a8a7d0ea8ed57f20c92e8005d2a72