[INFO] fetching crate river-dwindle 1.0.0... [INFO] checking river-dwindle-1.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate river-dwindle 1.0.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate river-dwindle 1.0.0 [INFO] finished tweaking crates.io crate river-dwindle 1.0.0 [INFO] tweaked toml for crates.io crate river-dwindle 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate river-dwindle 1.0.0 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 river-dwindle 1.0.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b74e56e8466440e243d9393e760919eec95e301a56470c1838927198c2a1602e [INFO] running `Command { std: "docker" "start" "-a" "b74e56e8466440e243d9393e760919eec95e301a56470c1838927198c2a1602e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b74e56e8466440e243d9393e760919eec95e301a56470c1838927198c2a1602e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b74e56e8466440e243d9393e760919eec95e301a56470c1838927198c2a1602e", kill_on_drop: false }` [INFO] [stdout] b74e56e8466440e243d9393e760919eec95e301a56470c1838927198c2a1602e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 524377eb5d6bf4f54f43705f3c8b03b31e7dc9a5ad867b6fcbffafe430cc78ad [INFO] running `Command { std: "docker" "start" "-a" "524377eb5d6bf4f54f43705f3c8b03b31e7dc9a5ad867b6fcbffafe430cc78ad", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling winnow v0.5.34 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking clap-num v1.0.2 [INFO] [stderr] Checking anstream v0.6.5 [INFO] [stderr] Checking clap_builder v4.4.14 [INFO] [stderr] Compiling indexmap v2.1.0 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling quick-xml v0.31.0 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling wayrs-proto-parser v1.0.1 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Compiling toml_edit v0.21.0 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling proc-macro-crate v3.0.0 [INFO] [stderr] Checking clap v4.4.14 [INFO] [stderr] Compiling wayrs-scanner v0.13.0 [INFO] [stderr] Checking wayrs-client v1.0.2 [INFO] [stderr] Checking river-layout-toolkit v0.1.6 [INFO] [stderr] Checking river-dwindle v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:115:47 [INFO] [stdout] | [INFO] [stdout] 115 | ) -> Result { [INFO] [stdout] | _______________________________________________^ [INFO] [stdout] 116 | | let mut layout = GeneratedLayout { [INFO] [stdout] 117 | | layout_name: "river-dwindle".to_string(), [INFO] [stdout] 118 | | views: Vec::with_capacity(view_count as usize), [INFO] [stdout] ... | [INFO] [stdout] 131 | | Ok(layout) [INFO] [stdout] 132 | | } [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 [INFO] [stdout] --> src/lib.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | Ok(layout) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `river-dwindle` (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 [INFO] [stdout] --> src/lib.rs:115:47 [INFO] [stdout] | [INFO] [stdout] 115 | ) -> Result { [INFO] [stdout] | _______________________________________________^ [INFO] [stdout] 116 | | let mut layout = GeneratedLayout { [INFO] [stdout] 117 | | layout_name: "river-dwindle".to_string(), [INFO] [stdout] 118 | | views: Vec::with_capacity(view_count as usize), [INFO] [stdout] ... | [INFO] [stdout] 131 | | Ok(layout) [INFO] [stdout] 132 | | } [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 [INFO] [stdout] --> src/lib.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | Ok(layout) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:232:32 [INFO] [stdout] | [INFO] [stdout] 232 | let generated_layout = dwindle [INFO] [stdout] | ________________________________^ [INFO] [stdout] 233 | | .generate_layout(view_count, DISPLAY_WIDTH, DISPLAY_HEIGHT, 1, DISPLAY_NAME) [INFO] [stdout] | |________________________________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `river-dwindle` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "524377eb5d6bf4f54f43705f3c8b03b31e7dc9a5ad867b6fcbffafe430cc78ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "524377eb5d6bf4f54f43705f3c8b03b31e7dc9a5ad867b6fcbffafe430cc78ad", kill_on_drop: false }` [INFO] [stdout] 524377eb5d6bf4f54f43705f3c8b03b31e7dc9a5ad867b6fcbffafe430cc78ad