[INFO] fetching crate river-layout-toolkit 0.1.7...
[INFO] checking river-layout-toolkit-0.1.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate river-layout-toolkit 0.1.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate river-layout-toolkit 0.1.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate river-layout-toolkit 0.1.7
[INFO] tweaked toml for crates.io crate river-layout-toolkit 0.1.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate river-layout-toolkit 0.1.7 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 river-layout-toolkit 0.1.7 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3d8cab21a405c555e1b8b34d9930c5a2e801f280d07478c9369e798e8152d6d4
[INFO] running `Command { std: "docker" "start" "-a" "3d8cab21a405c555e1b8b34d9930c5a2e801f280d07478c9369e798e8152d6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d8cab21a405c555e1b8b34d9930c5a2e801f280d07478c9369e798e8152d6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8cab21a405c555e1b8b34d9930c5a2e801f280d07478c9369e798e8152d6d4", kill_on_drop: false }`
[INFO] [stdout] 3d8cab21a405c555e1b8b34d9930c5a2e801f280d07478c9369e798e8152d6d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c6015aabbbcfb7aaa5343799ba90277ebef7773b296154b08c4882184e411599
[INFO] running `Command { std: "docker" "start" "-a" "c6015aabbbcfb7aaa5343799ba90277ebef7773b296154b08c4882184e411599", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling quick-xml v0.37.2
[INFO] [stderr]     Checking wayrs-core v1.0.4
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling wayrs-proto-parser v3.0.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling wayrs-scanner v0.15.2
[INFO] [stderr]     Checking wayrs-client v1.2.0
[INFO] [stderr]     Checking thiserror v2.0.11
[INFO] [stderr]     Checking river-layout-toolkit v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<GeneratedLayout, Infallible>
[INFO] [stdout]   --> examples/test_layout.rs:34:47
[INFO] [stdout]    |
[INFO] [stdout] 34 |       ) -> Result<GeneratedLayout, Self::Error> {
[INFO] [stdout]    |  _______________________________________________^
[INFO] [stdout] 35 | |         let mut layout = GeneratedLayout {
[INFO] [stdout] 36 | |             layout_name: "[]=".to_string(),
[INFO] [stdout] 37 | |             views: Vec::with_capacity(view_count as usize),
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         Ok(layout)
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `river-layout-toolkit` (example "test_layout") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<GeneratedLayout, Infallible>
[INFO] [stdout]   --> examples/test_layout.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         Ok(layout)
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6015aabbbcfb7aaa5343799ba90277ebef7773b296154b08c4882184e411599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6015aabbbcfb7aaa5343799ba90277ebef7773b296154b08c4882184e411599", kill_on_drop: false }`
[INFO] [stdout] c6015aabbbcfb7aaa5343799ba90277ebef7773b296154b08c4882184e411599
