[INFO] fetching crate quik-core 0.0.8...
[INFO] checking quik-core-0.0.8 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate quik-core 0.0.8 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate quik-core 0.0.8
[INFO] finished tweaking crates.io crate quik-core 0.0.8
[INFO] tweaked toml for crates.io crate quik-core 0.0.8 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quik-core 0.0.8 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b8e99262916663673575a9539a1227ce8fcd0f072c27c535333c6391b81da160
[INFO] running `Command { std: "docker" "start" "b8e99262916663673575a9539a1227ce8fcd0f072c27c535333c6391b81da160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8e99262916663673575a9539a1227ce8fcd0f072c27c535333c6391b81da160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b8e99262916663673575a9539a1227ce8fcd0f072c27c535333c6391b81da160" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8e99262916663673575a9539a1227ce8fcd0f072c27c535333c6391b81da160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b8e99262916663673575a9539a1227ce8fcd0f072c27c535333c6391b81da160" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking quik-util v0.0.8
[INFO] [stderr]     Checking quik-core v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_as_chunks` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_as_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_as_chunks` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_as_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/packet.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let length = VarInt::parse(&mut data)?; // TODO use this
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/packet.rs:145:25
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     let length = VarInt::parse(&mut data)?; // TODO use this
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/packet.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let length = VarInt::parse(&mut data)?; // TODO use this
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn send(&self, data: &[u8]) {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `io` is never read
[INFO] [stdout]   --> src/transport.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Connection<C: Crypto, I: Io, H: Handler> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     crypto: C,
[INFO] [stdout] 18 |     io: I,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/packet.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let length = VarInt::parse(&mut data)?; // TODO use this
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/packet.rs:145:25
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     let length = VarInt::parse(&mut data)?; // TODO use this
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/packet.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let length = VarInt::parse(&mut data)?; // TODO use this
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn send(&self, data: &[u8]) {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<usize>`
[INFO] [stdout]    --> src/frame.rs:251:48
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout] 251 +                 let stream_data = data.extract(offset, length.into())?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout] 251 +                 let stream_data = data.extract(<Option<usize> as Into<_>>::into(offset), length.into())?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<usize>`
[INFO] [stdout]    --> src/frame.rs:251:63
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout] 251 +                 let stream_data = data.extract(offset.into(), length)?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout] 251 +                 let stream_data = data.extract(offset.into(), <Option<usize> as Into<_>>::into(length))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `io` is never read
[INFO] [stdout]   --> src/transport.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Connection<C: Crypto, I: Io, H: Handler> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     crypto: C,
[INFO] [stdout] 18 |     io: I,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<usize>`
[INFO] [stdout]    --> src/frame.rs:251:48
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout] 251 +                 let stream_data = data.extract(offset, length.into())?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout] 251 +                 let stream_data = data.extract(<Option<usize> as Into<_>>::into(offset), length.into())?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<usize>`
[INFO] [stdout]    --> src/frame.rs:251:63
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout] 251 +                 let stream_data = data.extract(offset.into(), length)?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 let stream_data = data.extract(offset.into(), length.into())?;
[INFO] [stdout] 251 +                 let stream_data = data.extract(offset.into(), <Option<usize> as Into<_>>::into(length))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quik-core` (lib) due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `quik-core` (lib test) due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b8e99262916663673575a9539a1227ce8fcd0f072c27c535333c6391b81da160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e99262916663673575a9539a1227ce8fcd0f072c27c535333c6391b81da160", kill_on_drop: false }`
[INFO] [stdout] b8e99262916663673575a9539a1227ce8fcd0f072c27c535333c6391b81da160
