[INFO] fetching crate async-codec-lite 0.0.2...
[INFO] checking async-codec-lite-0.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate async-codec-lite 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate async-codec-lite 0.0.2
[INFO] finished tweaking crates.io crate async-codec-lite 0.0.2
[INFO] tweaked toml for crates.io crate async-codec-lite 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-codec-lite 0.0.2 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] 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]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] 8930eef5c9c79029ce8deba124a87ea7f80c681b3ffec2cb05800720d4a48923
[INFO] running `Command { std: "docker" "start" "-a" "8930eef5c9c79029ce8deba124a87ea7f80c681b3ffec2cb05800720d4a48923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8930eef5c9c79029ce8deba124a87ea7f80c681b3ffec2cb05800720d4a48923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8930eef5c9c79029ce8deba124a87ea7f80c681b3ffec2cb05800720d4a48923", kill_on_drop: false }`
[INFO] [stdout] 8930eef5c9c79029ce8deba124a87ea7f80c681b3ffec2cb05800720d4a48923
[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] dc44faad355f0a411546037fbffcc271d57e559a0ddac815e4125dac17f84d59
[INFO] running `Command { std: "docker" "start" "-a" "dc44faad355f0a411546037fbffcc271d57e559a0ddac815e4125dac17f84d59", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking async-codec-lite v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]  --> src/framed/read.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use bytes::{Bytes, BytesMut};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BytesMut` and `Bytes`
[INFO] [stdout]  --> src/framed/write.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use bytes::{Bytes, BytesMut};
[INFO] [stdout]   |                 ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]   --> src/framed/mod.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use bytes::{Bytes, BytesMut};
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<bytes::Bytes>, Infallible>
[INFO] [stdout]   --> src/codec/bytes.rs:22:89
[INFO] [stdout]    |
[INFO] [stdout] 22 |       fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________________________________^
[INFO] [stdout] 23 | |         let len = src.len();
[INFO] [stdout] 24 | |         Ok(if len > 0 {
[INFO] [stdout] 25 | |             Some(src.split_to(len).freeze())
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |         })
[INFO] [stdout] 29 | |     }
[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<Option<bytes::Bytes>, Infallible>
[INFO] [stdout]   --> src/codec/bytes.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         Ok(if len > 0 {
[INFO] [stdout] 25 | |             Some(src.split_to(len).freeze())
[INFO] [stdout] 26 | |         } else {
[INFO] [stdout] 27 | |             None
[INFO] [stdout] 28 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/codec/length.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 usize::try_from(Self::from_be_bytes(len_bytes)).map_err(|_| OverflowError)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | impl_length!(u8 => 1, u16 => 2, u32 => 4, u64 => 8);
[INFO] [stdout]    | --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `impl_length` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-codec-lite` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dc44faad355f0a411546037fbffcc271d57e559a0ddac815e4125dac17f84d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc44faad355f0a411546037fbffcc271d57e559a0ddac815e4125dac17f84d59", kill_on_drop: false }`
[INFO] [stdout] dc44faad355f0a411546037fbffcc271d57e559a0ddac815e4125dac17f84d59
