[INFO] fetching crate pymbusparser 0.0.7...
[INFO] checking pymbusparser-0.0.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pymbusparser 0.0.7 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate pymbusparser 0.0.7
[INFO] finished tweaking crates.io crate pymbusparser 0.0.7
[INFO] tweaked toml for crates.io crate pymbusparser 0.0.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pymbusparser 0.0.7 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 pymbusparser 0.0.7 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 129a776b1742debf777436829bd5f5c1efc45029d64fe1429f6146355cd6f008
[INFO] running `Command { std: "docker" "start" "-a" "129a776b1742debf777436829bd5f5c1efc45029d64fe1429f6146355cd6f008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "129a776b1742debf777436829bd5f5c1efc45029d64fe1429f6146355cd6f008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129a776b1742debf777436829bd5f5c1efc45029d64fe1429f6146355cd6f008", kill_on_drop: false }`
[INFO] [stdout] 129a776b1742debf777436829bd5f5c1efc45029d64fe1429f6146355cd6f008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0e48c2172f3210e9f6d8a468f653fff46d8d3f1a187e456e40e88bd440e9f391
[INFO] running `Command { std: "docker" "start" "-a" "0e48c2172f3210e9f6d8a468f653fff46d8d3f1a187e456e40e88bd440e9f391", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling python3-dll-a v0.2.12
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling pyo3-build-config v0.25.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking is-terminal v0.4.15
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.0
[INFO] [stderr]    Compiling pyo3-ffi v0.25.0
[INFO] [stderr]    Compiling pyo3 v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling pyo3-macros v0.25.0
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking m-bus-parser v0.0.27
[INFO] [stderr]     Checking pymbusparser v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<DataRecords<'_>, Infallible>
[INFO] [stdout]   --> src/lib.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |             match DataRecords::try_from(bytes.as_slice()) {
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:37:49
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn m_bus_parse(data: &str, format: &str) -> String {
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DataRecords<'_>, Infallible>
[INFO] [stdout]   --> src/lib.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |             match DataRecords::try_from(bytes.as_slice()) {
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:37:49
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn m_bus_parse(data: &str, format: &str) -> String {
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pymbusparser` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pymbusparser` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0e48c2172f3210e9f6d8a468f653fff46d8d3f1a187e456e40e88bd440e9f391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e48c2172f3210e9f6d8a468f653fff46d8d3f1a187e456e40e88bd440e9f391", kill_on_drop: false }`
[INFO] [stdout] 0e48c2172f3210e9f6d8a468f653fff46d8d3f1a187e456e40e88bd440e9f391