[INFO] fetching crate sunspec-models 0.5.26...
[INFO] checking sunspec-models-0.5.26 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate sunspec-models 0.5.26 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sunspec-models 0.5.26
[INFO] finished tweaking crates.io crate sunspec-models 0.5.26
[INFO] tweaked toml for crates.io crate sunspec-models 0.5.26 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sunspec-models 0.5.26 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 sunspec-models 0.5.26 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 380a132e75504344ba0d75041dca0a8b45c859884d5cd2805cac1c3f682405de
[INFO] running `Command { std: "docker" "start" "-a" "380a132e75504344ba0d75041dca0a8b45c859884d5cd2805cac1c3f682405de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "380a132e75504344ba0d75041dca0a8b45c859884d5cd2805cac1c3f682405de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380a132e75504344ba0d75041dca0a8b45c859884d5cd2805cac1c3f682405de", kill_on_drop: false }`
[INFO] [stdout] 380a132e75504344ba0d75041dca0a8b45c859884d5cd2805cac1c3f682405de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6cc1f960fd81068cc76e227cb74eae2ac5e79ae731f13b9d63393a4f88e30bd1
[INFO] running `Command { std: "docker" "start" "-a" "6cc1f960fd81068cc76e227cb74eae2ac5e79ae731f13b9d63393a4f88e30bd1", kill_on_drop: false }`
[INFO] [stderr]     Checking sunspec-models v0.5.26 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/types.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let bytes: Vec<u8> = to_be_bytes(data).try_into().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<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/types.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let bytes: Vec<u8> = to_be_bytes(data).try_into().unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/types.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let bytes: Vec<u8> = to_be_bytes(data).try_into().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<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/types.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let bytes: Vec<u8> = to_be_bytes(data).try_into().unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sunspec-models` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sunspec-models` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6cc1f960fd81068cc76e227cb74eae2ac5e79ae731f13b9d63393a4f88e30bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc1f960fd81068cc76e227cb74eae2ac5e79ae731f13b9d63393a4f88e30bd1", kill_on_drop: false }`
[INFO] [stdout] 6cc1f960fd81068cc76e227cb74eae2ac5e79ae731f13b9d63393a4f88e30bd1
