[INFO] fetching crate R4DCB08 0.4.0...
[INFO] checking R4DCB08-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate R4DCB08 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate R4DCB08 0.4.0
[INFO] finished tweaking crates.io crate R4DCB08 0.4.0
[INFO] tweaked toml for crates.io crate R4DCB08 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate R4DCB08 0.4.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate R4DCB08 0.4.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51013c7dffdf920b5c779bfe57f9e636e7f3a619bc7835f05f39ad2c418aadff
[INFO] running `Command { std: "docker" "start" "-a" "51013c7dffdf920b5c779bfe57f9e636e7f3a619bc7835f05f39ad2c418aadff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51013c7dffdf920b5c779bfe57f9e636e7f3a619bc7835f05f39ad2c418aadff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51013c7dffdf920b5c779bfe57f9e636e7f3a619bc7835f05f39ad2c418aadff", kill_on_drop: false }`
[INFO] [stdout] 51013c7dffdf920b5c779bfe57f9e636e7f3a619bc7835f05f39ad2c418aadff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44efcaaa103e012688f271afe0fc116ee8c60d9dff320e65918a901774236953
[INFO] running `Command { std: "docker" "start" "-a" "44efcaaa103e012688f271afe0fc116ee8c60d9dff320e65918a901774236953", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.102
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking nu-ansi-term v0.50.3
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking clap-num v1.2.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking clap_builder v4.5.50
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling paho-mqtt-sys v0.10.3
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking console v0.16.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking dialoguer v0.12.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking clap v4.5.50
[INFO] [stderr]     Checking clap-verbosity-flag v3.0.4
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking unescaper v0.1.6
[INFO] [stderr]     Checking flexi_logger v0.31.7
[INFO] [stderr]     Checking serialport v4.7.3
[INFO] [stderr]     Checking mio-serial v5.0.6
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking paho-mqtt v0.13.3
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking tokio-serial v5.4.5
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking tokio-modbus v0.16.3
[INFO] [stderr]     Checking R4DCB08 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<protocol::AutomaticReport, Infallible>
[INFO] [stdout]     --> src/protocol.rs:1414:26
[INFO] [stdout]      |
[INFO] [stdout] 1414 |         let report_10s = AutomaticReport::try_from(10).unwrap();
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `R4DCB08` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "44efcaaa103e012688f271afe0fc116ee8c60d9dff320e65918a901774236953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44efcaaa103e012688f271afe0fc116ee8c60d9dff320e65918a901774236953", kill_on_drop: false }`
[INFO] [stdout] 44efcaaa103e012688f271afe0fc116ee8c60d9dff320e65918a901774236953