[INFO] fetching crate async_labjack 0.1.0...
[INFO] checking async_labjack-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate async_labjack 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate async_labjack 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async_labjack 0.1.0
[INFO] tweaked toml for crates.io crate async_labjack 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async_labjack 0.1.0 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 async_labjack 0.1.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 006ea16f6b4dce881462d089235767263664e07352313de61d2e8d485fef2a73
[INFO] running `Command { std: "docker" "start" "-a" "006ea16f6b4dce881462d089235767263664e07352313de61d2e8d485fef2a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "006ea16f6b4dce881462d089235767263664e07352313de61d2e8d485fef2a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006ea16f6b4dce881462d089235767263664e07352313de61d2e8d485fef2a73", kill_on_drop: false }`
[INFO] [stdout] 006ea16f6b4dce881462d089235767263664e07352313de61d2e8d485fef2a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a1fd218f5780425c3a2b158f4a22b2ff0e7eb8b7af57adb41573915df234b0a8
[INFO] running `Command { std: "docker" "start" "-a" "a1fd218f5780425c3a2b158f4a22b2ff0e7eb8b7af57adb41573915df234b0a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling thiserror v2.0.7
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]     Checking predicates-core v1.0.8
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking predicates v3.1.2
[INFO] [stderr]     Checking predicates-tree v1.0.11
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]     Checking mockall v0.13.1
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking tokio-modbus v0.16.1
[INFO] [stderr]     Checking async_labjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<calibrations::Calibrations, Infallible>
[INFO] [stdout]    --> src/helpers/calibrations.rs:351:15
[INFO] [stdout]     |
[INFO] [stdout] 351 |         match cal.try_into() {
[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: std::result::Result<calibrations::Calibrations, Infallible>
[INFO] [stdout]    --> src/helpers/calibrations.rs:356:49
[INFO] [stdout]     |
[INFO] [stdout] 356 |                 panic!("Unexpected conversion: {cal:?}")
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<calibrations::Calibrations, Infallible>
[INFO] [stdout]    --> src/helpers/calibrations.rs:375:15
[INFO] [stdout]     |
[INFO] [stdout] 375 |         match cal.try_into() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<calibrations::Calibrations, Infallible>
[INFO] [stdout]    --> src/helpers/calibrations.rs:380:49
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 panic!("Unexpected conversion: {cal:?}")
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_labjack` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a1fd218f5780425c3a2b158f4a22b2ff0e7eb8b7af57adb41573915df234b0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fd218f5780425c3a2b158f4a22b2ff0e7eb8b7af57adb41573915df234b0a8", kill_on_drop: false }`
[INFO] [stdout] a1fd218f5780425c3a2b158f4a22b2ff0e7eb8b7af57adb41573915df234b0a8