[INFO] fetching crate framez 0.3.1... [INFO] checking framez-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate framez 0.3.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate framez 0.3.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate framez 0.3.1 [INFO] tweaked toml for crates.io crate framez 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate framez 0.3.1 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 framez 0.3.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 438b48ff5c2ef8049c8049c6ac13ad3fbd99656fc7e66bc4cbc7ba16f0e6e477 [INFO] running `Command { std: "docker" "start" "-a" "438b48ff5c2ef8049c8049c6ac13ad3fbd99656fc7e66bc4cbc7ba16f0e6e477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "438b48ff5c2ef8049c8049c6ac13ad3fbd99656fc7e66bc4cbc7ba16f0e6e477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "438b48ff5c2ef8049c8049c6ac13ad3fbd99656fc7e66bc4cbc7ba16f0e6e477", kill_on_drop: false }` [INFO] [stdout] 438b48ff5c2ef8049c8049c6ac13ad3fbd99656fc7e66bc4cbc7ba16f0e6e477 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1ddf7cd070db3ca6f74ab4d3fe693f16e67c19fd7b394a7d578aebb9a4a4b97d [INFO] running `Command { std: "docker" "start" "-a" "1ddf7cd070db3ca6f74ab4d3fe693f16e67c19fd7b394a7d578aebb9a4a4b97d", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Compiling embedded-io-async v0.6.1 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking embedded-io v0.6.1 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Compiling embedded-io-adapters v0.6.1 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling syn v2.0.102 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking framez v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/bytes.rs:30:99 [INFO] [stdout] | [INFO] [stdout] 30 | fn decode(&mut self, src: &'buf mut [u8]) -> Result, Self::Error> { [INFO] [stdout] | ___________________________________________________________________________________________________^ [INFO] [stdout] 31 | | Ok(Some((src, src.len()))) [INFO] [stdout] 32 | | } [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, Infallible> [INFO] [stdout] --> src/codec/bytes.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | Ok(Some((src, src.len()))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/delimiter.rs:45:99 [INFO] [stdout] | [INFO] [stdout] 45 | fn decode(&mut self, src: &'buf mut [u8]) -> Result, Self::Error> { [INFO] [stdout] | ___________________________________________________________________________________________________^ [INFO] [stdout] 46 | | if src.len() < self.delimiter.len() { [INFO] [stdout] 47 | | return Ok(None); [INFO] [stdout] ... | [INFO] [stdout] 79 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/delimiter.rs:47:20 [INFO] [stdout] | [INFO] [stdout] 47 | return Ok(None); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/delimiter.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | / match self.delimiter.last() { [INFO] [stdout] 51 | | None => { [INFO] [stdout] 52 | | let bytes = &src[..self.seen + 1]; [INFO] [stdout] 53 | | let item = (bytes, self.seen + 1); [INFO] [stdout] ... | [INFO] [stdout] 78 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/delimiter.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 51 | None => { [INFO] [stdout] | _____________________^ [INFO] [stdout] 52 | | let bytes = &src[..self.seen + 1]; [INFO] [stdout] 53 | | let item = (bytes, self.seen + 1); [INFO] [stdout] ... | [INFO] [stdout] 56 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/delimiter.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | Ok(Some(item)) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/delimiter.rs:57:32 [INFO] [stdout] | [INFO] [stdout] 57 | Some(last_byte) => { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 58 | | while self.seen < src.len() { [INFO] [stdout] 59 | | if src[self.seen] == *last_byte { [INFO] [stdout] 60 | | let src_delimiter = [INFO] [stdout] ... | [INFO] [stdout] 76 | | Ok(None) [INFO] [stdout] 77 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/delimiter.rs:69:36 [INFO] [stdout] | [INFO] [stdout] 69 | ... return Ok(Some(item)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/delimiter.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | Ok(None) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/lines.rs:37:99 [INFO] [stdout] | [INFO] [stdout] 37 | fn decode(&mut self, src: &'buf mut [u8]) -> Result, Self::Error> { [INFO] [stdout] | ___________________________________________________________________________________________________^ [INFO] [stdout] 38 | | while self.seen < src.len() { [INFO] [stdout] 39 | | if src[self.seen] == b'\n' { [INFO] [stdout] 40 | | let line_bytes = match &src[..self.seen].last() { [INFO] [stdout] ... | [INFO] [stdout] 55 | | Ok(None) [INFO] [stdout] 56 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/lines.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | return Ok(Some(item)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/lines.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | Ok(None) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/codec/lines.rs:155:15 [INFO] [stdout] | [INFO] [stdout] 155 | match Decoder::decode(&mut self.inner, src) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mock.rs:15:76 [INFO] [stdout] | [INFO] [stdout] 15 | async fn read(&mut self, buf: &mut [u8]) -> Result { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 16 | | Ok(buf.len()) [INFO] [stdout] 17 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mock.rs:15:76 [INFO] [stdout] | [INFO] [stdout] 15 | async fn read(&mut self, buf: &mut [u8]) -> Result { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 16 | | Ok(buf.len()) [INFO] [stdout] 17 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mock.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | Ok(buf.len()) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mock.rs:21:73 [INFO] [stdout] | [INFO] [stdout] 21 | async fn write(&mut self, buf: &[u8]) -> Result { [INFO] [stdout] | _________________________________________________________________________^ [INFO] [stdout] 22 | | Ok(buf.len()) [INFO] [stdout] 23 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mock.rs:21:73 [INFO] [stdout] | [INFO] [stdout] 21 | async fn write(&mut self, buf: &[u8]) -> Result { [INFO] [stdout] | _________________________________________________________________________^ [INFO] [stdout] 22 | | Ok(buf.len()) [INFO] [stdout] 23 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mock.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | Ok(buf.len()) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `framez` (lib) due to 20 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1ddf7cd070db3ca6f74ab4d3fe693f16e67c19fd7b394a7d578aebb9a4a4b97d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ddf7cd070db3ca6f74ab4d3fe693f16e67c19fd7b394a7d578aebb9a4a4b97d", kill_on_drop: false }` [INFO] [stdout] 1ddf7cd070db3ca6f74ab4d3fe693f16e67c19fd7b394a7d578aebb9a4a4b97d