[INFO] fetching crate recvmsg 1.0.0... [INFO] checking recvmsg-1.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate recvmsg 1.0.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate recvmsg 1.0.0 [INFO] finished tweaking crates.io crate recvmsg 1.0.0 [INFO] tweaked toml for crates.io crate recvmsg 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate recvmsg 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] 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 33 packages to latest compatible versions [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.61.2) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] 19d7c2654d72809257647208b765dcf1f6f67cb4032670250a98a40a7574ddd9 [INFO] running `Command { std: "docker" "start" "-a" "19d7c2654d72809257647208b765dcf1f6f67cb4032670250a98a40a7574ddd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19d7c2654d72809257647208b765dcf1f6f67cb4032670250a98a40a7574ddd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19d7c2654d72809257647208b765dcf1f6f67cb4032670250a98a40a7574ddd9", kill_on_drop: false }` [INFO] [stdout] 19d7c2654d72809257647208b765dcf1f6f67cb4032670250a98a40a7574ddd9 [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] c9707561a085274aab8092115d078aebe685bbd2d14d235da102885f8a1a99ab [INFO] running `Command { std: "docker" "start" "-a" "c9707561a085274aab8092115d078aebe685bbd2d14d235da102885f8a1a99ab", kill_on_drop: false }` [INFO] [stderr] Checking recvmsg v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] error: could not compile `recvmsg` (lib) due to 9 previous errors [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/empty.rs:40:44 [INFO] [stdout] | [INFO] [stdout] 40 | ) -> Result, Self::Error> { [INFO] [stdout] | ____________________________________________^ [INFO] [stdout] 41 | | Ok(None) [INFO] [stdout] 42 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/empty.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(None) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/empty.rs:50:45 [INFO] [stdout] | [INFO] [stdout] 50 | ) -> Result { [INFO] [stdout] | _____________________________________________^ [INFO] [stdout] 51 | | Ok(TryRecvResult::EndOfStream) [INFO] [stdout] 52 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/empty.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | Ok(TryRecvResult::EndOfStream) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/empty.rs:62:42 [INFO] [stdout] | [INFO] [stdout] 62 | ) -> Result { [INFO] [stdout] | __________________________________________^ [INFO] [stdout] 63 | | Ok(RecvResult::EndOfStream) [INFO] [stdout] 64 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/empty.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | Ok(RecvResult::EndOfStream) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/empty.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | Ok(None).into() [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/empty.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | Ok(TryRecvResult::EndOfStream).into() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/empty.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | Ok(RecvResult::EndOfStream).into() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c9707561a085274aab8092115d078aebe685bbd2d14d235da102885f8a1a99ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9707561a085274aab8092115d078aebe685bbd2d14d235da102885f8a1a99ab", kill_on_drop: false }` [INFO] [stdout] c9707561a085274aab8092115d078aebe685bbd2d14d235da102885f8a1a99ab