[INFO] fetching crate wincwifi 0.2.2... [INFO] checking wincwifi-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate wincwifi 0.2.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate wincwifi 0.2.2 [INFO] finished tweaking crates.io crate wincwifi 0.2.2 [INFO] tweaked toml for crates.io crate wincwifi 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wincwifi 0.2.2 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 wincwifi 0.2.2 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] [stderr] Blocking waiting for file lock on package cache [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] c52db1fdbb5d5f1e5819976d131889222fef78e45f529383a7fbdee9b029111d [INFO] running `Command { std: "docker" "start" "-a" "c52db1fdbb5d5f1e5819976d131889222fef78e45f529383a7fbdee9b029111d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c52db1fdbb5d5f1e5819976d131889222fef78e45f529383a7fbdee9b029111d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c52db1fdbb5d5f1e5819976d131889222fef78e45f529383a7fbdee9b029111d", kill_on_drop: false }` [INFO] [stdout] c52db1fdbb5d5f1e5819976d131889222fef78e45f529383a7fbdee9b029111d [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] 262a1b9b2da6a8506951be92b4215066c5edd0b3a19e094a3c1317931fd8996d [INFO] running `Command { std: "docker" "start" "-a" "262a1b9b2da6a8506951be92b4215066c5edd0b3a19e094a3c1317931fd8996d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Checking value-bag v1.11.1 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Compiling embedded-io-async v0.6.1 [INFO] [stderr] Checking futures-lite v2.6.0 [INFO] [stderr] Checking embedded-io v0.6.1 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Checking crc-any v2.5.0 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking embedded-nal v0.9.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking event-listener v5.4.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking env_filter v0.1.3 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking event-listener-strategy v0.5.4 [INFO] [stderr] Checking embedded-nal-async v0.8.0 [INFO] [stderr] Checking wincwifi v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking env_logger v0.11.7 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:134:19 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn new(v: &[u8]) -> HexWrap { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 134 | pub fn new(v: &[u8]) -> HexWrap<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/readwrite.rs:56:74 [INFO] [stdout] | [INFO] [stdout] 56 | fn read(&mut self, buf: &mut [u8]) -> Result { [INFO] [stdout] | __________________________________________________________________________^ [INFO] [stdout] 57 | | use core::cmp::min; [INFO] [stdout] 58 | | let amt = min(buf.len(), self.len()); [INFO] [stdout] 59 | | let (a, b) = self.split_at(amt); [INFO] [stdout] ... | [INFO] [stdout] 62 | | Ok(amt) [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] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/readwrite.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | Ok(amt) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/readwrite.rs:71:74 [INFO] [stdout] | [INFO] [stdout] 71 | fn read(&mut self, buf: &mut [u8]) -> Result { [INFO] [stdout] | __________________________________________________________________________^ [INFO] [stdout] 72 | | let mut immutable: &[u8] = self; [INFO] [stdout] 73 | | let amt = immutable.read(buf)?; [INFO] [stdout] 74 | | *self = &mut core::mem::take(self)[amt..]; [INFO] [stdout] 75 | | Ok(amt) [INFO] [stdout] 76 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, usize> [INFO] [stdout] --> src/readwrite.rs:73:19 [INFO] [stdout] | [INFO] [stdout] 73 | let amt = immutable.read(buf)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/readwrite.rs:73:19 [INFO] [stdout] | [INFO] [stdout] 73 | let amt = immutable.read(buf)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/readwrite.rs:73:19 [INFO] [stdout] | [INFO] [stdout] 73 | let amt = immutable.read(buf)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/readwrite.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | Ok(amt) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wincwifi` (lib) due to 7 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "262a1b9b2da6a8506951be92b4215066c5edd0b3a19e094a3c1317931fd8996d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "262a1b9b2da6a8506951be92b4215066c5edd0b3a19e094a3c1317931fd8996d", kill_on_drop: false }` [INFO] [stdout] 262a1b9b2da6a8506951be92b4215066c5edd0b3a19e094a3c1317931fd8996d