[INFO] fetching crate sunbeam-build 0.0.22-alpha...
[INFO] checking sunbeam-build-0.0.22-alpha against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate sunbeam-build 0.0.22-alpha into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sunbeam-build 0.0.22-alpha
[INFO] finished tweaking crates.io crate sunbeam-build 0.0.22-alpha
[INFO] tweaked toml for crates.io crate sunbeam-build 0.0.22-alpha written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sunbeam-build 0.0.22-alpha 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] 2752c6b3568bda1aad3822cc51672baa7f7fcda06fb29b659356f0dde228bd6f
[INFO] running `Command { std: "docker" "start" "-a" "2752c6b3568bda1aad3822cc51672baa7f7fcda06fb29b659356f0dde228bd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2752c6b3568bda1aad3822cc51672baa7f7fcda06fb29b659356f0dde228bd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2752c6b3568bda1aad3822cc51672baa7f7fcda06fb29b659356f0dde228bd6f", kill_on_drop: false }`
[INFO] [stdout] 2752c6b3568bda1aad3822cc51672baa7f7fcda06fb29b659356f0dde228bd6f
[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] 6c72ad51a2e85414ff5704de55785f3d82aec5250cd11478b6254af83cfffe27
[INFO] running `Command { std: "docker" "start" "-a" "6c72ad51a2e85414ff5704de55785f3d82aec5250cd11478b6254af83cfffe27", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking sunbeam-ir v0.0.22-alpha
[INFO] [stderr]     Checking sunbeam-build v0.0.22-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Classes, ParseCssError>
[INFO] [stdout]   --> src/lib.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |   ) -> Result<Classes, ParseCssError> {
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 30 | |     let mut all_classes = Classes::new();
[INFO] [stdout] 31 | |
[INFO] [stdout] 32 | |     for path in rust_source_files {
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     Ok(all_classes)
[INFO] [stdout] 44 | | }
[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<Classes, ParseCssError>
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Ok(all_classes)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sunbeam-build` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Classes, ParseCssError>
[INFO] [stdout]   --> src/lib.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |   ) -> Result<Classes, ParseCssError> {
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 30 | |     let mut all_classes = Classes::new();
[INFO] [stdout] 31 | |
[INFO] [stdout] 32 | |     for path in rust_source_files {
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     Ok(all_classes)
[INFO] [stdout] 44 | | }
[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<Classes, ParseCssError>
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Ok(all_classes)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Classes, ParseCssError>
[INFO] [stdout]    --> src/lib.rs:251:22
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let parsed = parse_rust_files(files, &SunbeamConfig::default()).unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sunbeam-build` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "6c72ad51a2e85414ff5704de55785f3d82aec5250cd11478b6254af83cfffe27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c72ad51a2e85414ff5704de55785f3d82aec5250cd11478b6254af83cfffe27", kill_on_drop: false }`
[INFO] [stdout] 6c72ad51a2e85414ff5704de55785f3d82aec5250cd11478b6254af83cfffe27
