[INFO] fetching crate modbus-relay 2025.11.0...
[INFO] checking modbus-relay-2025.11.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate modbus-relay 2025.11.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate modbus-relay 2025.11.0
[INFO] finished tweaking crates.io crate modbus-relay 2025.11.0
[INFO] tweaked toml for crates.io crate modbus-relay 2025.11.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-relay 2025.11.0 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 modbus-relay 2025.11.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cb4053525b4114eeb5b61fe9f8fbd4154dd5917735a16f34a349521bee27514d
[INFO] running `Command { std: "docker" "start" "-a" "cb4053525b4114eeb5b61fe9f8fbd4154dd5917735a16f34a349521bee27514d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb4053525b4114eeb5b61fe9f8fbd4154dd5917735a16f34a349521bee27514d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4053525b4114eeb5b61fe9f8fbd4154dd5917735a16f34a349521bee27514d", kill_on_drop: false }`
[INFO] [stdout] cb4053525b4114eeb5b61fe9f8fbd4154dd5917735a16f34a349521bee27514d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6531641d4a0900290380bc489b7df2aeb2c681aea12c539ee2074f8fa0c4b0f3
[INFO] running `Command { std: "docker" "start" "-a" "6531641d4a0900290380bc489b7df2aeb2c681aea12c539ee2074f8fa0c4b0f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]     Checking toml_parser v1.0.4
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking toml_datetime v0.7.3
[INFO] [stderr]     Checking serde_spanned v1.0.3
[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking yaml-rust2 v0.10.4
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking toml v0.9.8
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]     Checking serde-untagged v0.1.9
[INFO] [stderr]     Checking rust-ini v0.21.3
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[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]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]    Compiling pest_derive v2.8.3
[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 tracing v0.1.41
[INFO] [stderr]     Checking axum-core v0.5.5
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking unescaper v0.1.6
[INFO] [stderr]     Checking serialport v4.8.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking config v0.15.18
[INFO] [stderr]     Checking serial_test v3.2.0
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking axum v0.8.6
[INFO] [stderr]     Checking modbus-relay v2025.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/http_api.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let response = app.oneshot(req).await.unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/http_api.rs:224:41
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let response = app.oneshot(req).await.unwrap();
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/http_api.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let response = app.oneshot(req).await.unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/http_api.rs:259:24
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let response = app.oneshot(req).await.unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/http_api.rs:259:41
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let response = app.oneshot(req).await.unwrap();
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/http_api.rs:259:24
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let response = app.oneshot(req).await.unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `modbus-relay` (lib test) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6531641d4a0900290380bc489b7df2aeb2c681aea12c539ee2074f8fa0c4b0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6531641d4a0900290380bc489b7df2aeb2c681aea12c539ee2074f8fa0c4b0f3", kill_on_drop: false }`
[INFO] [stdout] 6531641d4a0900290380bc489b7df2aeb2c681aea12c539ee2074f8fa0c4b0f3