[INFO] fetching crate ruyi 0.1.6...
[INFO] testing ruyi-0.1.6 against 1.63.0 for beta-1.64-2
[INFO] extracting crate ruyi 0.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ruyi 0.1.6 on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruyi 0.1.6
[INFO] finished tweaking crates.io crate ruyi 0.1.6
[INFO] tweaked toml for crates.io crate ruyi 0.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] [stderr]   Downloaded bumpalo v3.10.0
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded net2 v0.2.37
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[INFO] [stderr]   Downloaded regex-syntax v0.5.6
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[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded ucd-util v0.1.9
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0468908daf15fe817c94b8d80f9e79295a804864bcb02729c6ef086dde38e42
[INFO] running `Command { std: "docker" "start" "-a" "e0468908daf15fe817c94b8d80f9e79295a804864bcb02729c6ef086dde38e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0468908daf15fe817c94b8d80f9e79295a804864bcb02729c6ef086dde38e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0468908daf15fe817c94b8d80f9e79295a804864bcb02729c6ef086dde38e42", kill_on_drop: false }`
[INFO] [stdout] e0468908daf15fe817c94b8d80f9e79295a804864bcb02729c6ef086dde38e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2eb0d9c9c022c31c6872f8966147824d1b25c6dd95af3030f2674733159bc19
[INFO] running `Command { std: "docker" "start" "-a" "e2eb0d9c9c022c31c6872f8966147824d1b25c6dd95af3030f2674733159bc19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling ruyi v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/nio/sys/unix/mod.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Ok((n))
[INFO] [stdout]    |        ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -     Ok((n))
[INFO] [stdout] 78 +     Ok(n)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/nio/sys/unix/mod.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     Ok((n))
[INFO] [stdout]    |        ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -     Ok((n))
[INFO] [stdout] 85 +     Ok(n)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/nio/sys/unix/linux.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Ok((n))
[INFO] [stdout]    |            ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -         Ok((n))
[INFO] [stdout] 70 +         Ok(n)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/hex_dump.rs:27:58
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut asc: [u8; BYTES_PER_ROW] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/nio/sys/unix/tcp.rs:94:61
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut storage: libc::sockaddr_storage = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/reactor/event_loop.rs:8:48
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/reactor/event_loop.rs:406:35
[INFO] [stdout]     |
[INFO] [stdout] 406 |         static SEQ: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor/mod.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type Task = Box<Future<Item = (), Error = ()>>;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 - pub type Task = Box<Future<Item = (), Error = ()>>;
[INFO] [stdout] 27 + pub type Task = Box<dyn Future<Item = (), Error = ()>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/event_loop.rs:285:36
[INFO] [stdout]     |
[INFO] [stdout] 285 |     main_task: Option<&'static mut Future<Item = (), Error = ()>>,
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 285 -     main_task: Option<&'static mut Future<Item = (), Error = ()>>,
[INFO] [stdout] 285 +     main_task: Option<&'static mut dyn Future<Item = (), Error = ()>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/event_loop.rs:444:39
[INFO] [stdout]     |
[INFO] [stdout] 444 |     fn run(&mut self, main_task: &mut Future<Item = (), Error = ()>) {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 444 -     fn run(&mut self, main_task: &mut Future<Item = (), Error = ()>) {
[INFO] [stdout] 444 +     fn run(&mut self, main_task: &mut dyn Future<Item = (), Error = ()>) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/buf/window.rs:70:53
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut p_dst = unsafe { bytes.as_mut_ptr().offset(size as isize) };
[INFO] [stdout]    |                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/buf/window.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     p_dst = p_dst.offset(-(size as isize));
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/reactor/timeout.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |         write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/reactor/timeout.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |         write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "e2eb0d9c9c022c31c6872f8966147824d1b25c6dd95af3030f2674733159bc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2eb0d9c9c022c31c6872f8966147824d1b25c6dd95af3030f2674733159bc19", kill_on_drop: false }`
[INFO] [stdout] e2eb0d9c9c022c31c6872f8966147824d1b25c6dd95af3030f2674733159bc19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6d609dc9d82bf169252b97adf3647abdff00675803d39f68e53a467a77530f5
[INFO] running `Command { std: "docker" "start" "-a" "b6d609dc9d82bf169252b97adf3647abdff00675803d39f68e53a467a77530f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling iana-time-zone v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/nio/sys/unix/mod.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Ok((n))
[INFO] [stdout]    |        ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -     Ok((n))
[INFO] [stdout] 78 +     Ok(n)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/nio/sys/unix/mod.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     Ok((n))
[INFO] [stdout]    |        ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -     Ok((n))
[INFO] [stdout] 85 +     Ok(n)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/nio/sys/unix/linux.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Ok((n))
[INFO] [stdout]    |            ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -         Ok((n))
[INFO] [stdout] 70 +         Ok(n)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/hex_dump.rs:27:58
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut asc: [u8; BYTES_PER_ROW] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/nio/sys/unix/tcp.rs:94:61
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut storage: libc::sockaddr_storage = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/reactor/event_loop.rs:8:48
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/reactor/event_loop.rs:406:35
[INFO] [stdout]     |
[INFO] [stdout] 406 |         static SEQ: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor/mod.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type Task = Box<Future<Item = (), Error = ()>>;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 - pub type Task = Box<Future<Item = (), Error = ()>>;
[INFO] [stdout] 27 + pub type Task = Box<dyn Future<Item = (), Error = ()>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/event_loop.rs:285:36
[INFO] [stdout]     |
[INFO] [stdout] 285 |     main_task: Option<&'static mut Future<Item = (), Error = ()>>,
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 285 -     main_task: Option<&'static mut Future<Item = (), Error = ()>>,
[INFO] [stdout] 285 +     main_task: Option<&'static mut dyn Future<Item = (), Error = ()>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/event_loop.rs:444:39
[INFO] [stdout]     |
[INFO] [stdout] 444 |     fn run(&mut self, main_task: &mut Future<Item = (), Error = ()>) {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 444 -     fn run(&mut self, main_task: &mut Future<Item = (), Error = ()>) {
[INFO] [stdout] 444 +     fn run(&mut self, main_task: &mut dyn Future<Item = (), Error = ()>) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/buf/window.rs:70:53
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut p_dst = unsafe { bytes.as_mut_ptr().offset(size as isize) };
[INFO] [stdout]    |                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/buf/window.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     p_dst = p_dst.offset(-(size as isize));
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/reactor/timeout.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |         write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/reactor/timeout.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |         write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling ruyi v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> tests/gate.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tests/gate.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | static COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/buf.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |     assert_eq!(n, 5);;
[INFO] [stdout]    |                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/nio/sys/unix/mod.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Ok((n))
[INFO] [stdout]    |        ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -     Ok((n))
[INFO] [stdout] 78 +     Ok(n)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/nio/sys/unix/mod.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     Ok((n))
[INFO] [stdout]    |        ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -     Ok((n))
[INFO] [stdout] 85 +     Ok(n)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/nio/sys/unix/linux.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Ok((n))
[INFO] [stdout]    |            ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -         Ok((n))
[INFO] [stdout] 70 +         Ok(n)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u16/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u32/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/u64/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f32/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/big_endian.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/big_endian.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/little_endian.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/codec/f64/little_endian.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buf/hex_dump.rs:27:58
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut asc: [u8; BYTES_PER_ROW] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/nio/sys/unix/tcp.rs:94:61
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut storage: libc::sockaddr_storage = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/reactor/event_loop.rs:8:48
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/reactor/event_loop.rs:406:35
[INFO] [stdout]     |
[INFO] [stdout] 406 |         static SEQ: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor/mod.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type Task = Box<Future<Item = (), Error = ()>>;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 - pub type Task = Box<Future<Item = (), Error = ()>>;
[INFO] [stdout] 27 + pub type Task = Box<dyn Future<Item = (), Error = ()>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/event_loop.rs:285:36
[INFO] [stdout]     |
[INFO] [stdout] 285 |     main_task: Option<&'static mut Future<Item = (), Error = ()>>,
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 285 -     main_task: Option<&'static mut Future<Item = (), Error = ()>>,
[INFO] [stdout] 285 +     main_task: Option<&'static mut dyn Future<Item = (), Error = ()>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/event_loop.rs:444:39
[INFO] [stdout]     |
[INFO] [stdout] 444 |     fn run(&mut self, main_task: &mut Future<Item = (), Error = ()>) {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 444 -     fn run(&mut self, main_task: &mut Future<Item = (), Error = ()>) {
[INFO] [stdout] 444 +     fn run(&mut self, main_task: &mut dyn Future<Item = (), Error = ()>) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/buf/window.rs:70:53
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut p_dst = unsafe { bytes.as_mut_ptr().offset(size as isize) };
[INFO] [stdout]    |                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/buf/window.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     p_dst = p_dst.offset(-(size as isize));
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/reactor/timeout.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |         write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/reactor/timeout.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |         write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.60s
[INFO] running `Command { std: "docker" "inspect" "b6d609dc9d82bf169252b97adf3647abdff00675803d39f68e53a467a77530f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d609dc9d82bf169252b97adf3647abdff00675803d39f68e53a467a77530f5", kill_on_drop: false }`
[INFO] [stdout] b6d609dc9d82bf169252b97adf3647abdff00675803d39f68e53a467a77530f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 915c7e3b7a47c956601de0325b4bd735ff9dac058d7752fc525a3bbfad710dcd
[INFO] running `Command { std: "docker" "start" "-a" "915c7e3b7a47c956601de0325b4bd735ff9dac058d7752fc525a3bbfad710dcd", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/nio/sys/unix/mod.rs:78:8
[INFO] [stderr]    |
[INFO] [stderr] 78 |     Ok((n))
[INFO] [stderr]    |        ^ ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 78 -     Ok((n))
[INFO] [stderr] 78 +     Ok(n)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/nio/sys/unix/mod.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 |     Ok((n))
[INFO] [stderr]    |        ^ ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 85 -     Ok((n))
[INFO] [stderr] 85 +     Ok(n)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/nio/sys/unix/linux.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         Ok((n))
[INFO] [stderr]    |            ^ ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 70 -         Ok((n))
[INFO] [stderr] 70 +         Ok(n)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u16/big_endian.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u16/big_endian.rs:41:36
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u16/little_endian.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u16/little_endian.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut v: u16 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u32/big_endian.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u32/big_endian.rs:41:36
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u32/little_endian.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u32/little_endian.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut v: u32 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u64/big_endian.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u64/big_endian.rs:41:36
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u64/little_endian.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/u64/little_endian.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut v: u64 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/f32/big_endian.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/f32/big_endian.rs:41:36
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/f32/little_endian.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/f32/little_endian.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut v: f32 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/f64/big_endian.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/f64/big_endian.rs:41:36
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/f64/little_endian.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/codec/f64/little_endian.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut v: f64 = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buf/hex_dump.rs:27:58
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut asc: [u8; BYTES_PER_ROW] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/nio/sys/unix/tcp.rs:94:61
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let mut storage: libc::sockaddr_storage = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]  --> src/reactor/event_loop.rs:8:48
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/reactor/event_loop.rs:406:35
[INFO] [stderr]     |
[INFO] [stderr] 406 |         static SEQ: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor/mod.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub type Task = Box<Future<Item = (), Error = ()>>;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 27 - pub type Task = Box<Future<Item = (), Error = ()>>;
[INFO] [stderr] 27 + pub type Task = Box<dyn Future<Item = (), Error = ()>>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reactor/event_loop.rs:285:36
[INFO] [stderr]     |
[INFO] [stderr] 285 |     main_task: Option<&'static mut Future<Item = (), Error = ()>>,
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 285 -     main_task: Option<&'static mut Future<Item = (), Error = ()>>,
[INFO] [stderr] 285 +     main_task: Option<&'static mut dyn Future<Item = (), Error = ()>>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reactor/event_loop.rs:444:39
[INFO] [stderr]     |
[INFO] [stderr] 444 |     fn run(&mut self, main_task: &mut Future<Item = (), Error = ()>) {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 444 -     fn run(&mut self, main_task: &mut Future<Item = (), Error = ()>) {
[INFO] [stderr] 444 +     fn run(&mut self, main_task: &mut dyn Future<Item = (), Error = ()>) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/buf/window.rs:70:53
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut p_dst = unsafe { bytes.as_mut_ptr().offset(size as isize) };
[INFO] [stderr]    |                                                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/buf/window.rs:77:35
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     p_dst = p_dst.offset(-(size as isize));
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/reactor/timeout.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 |         write!(fmt, "{}", self.description())
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/reactor/timeout.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |         write!(fmt, "{}", self.description())
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ruyi` (lib) generated 34 warnings
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]  --> tests/gate.rs:4:48
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> tests/gate.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 | static COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/buf.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |     assert_eq!(n, 5);;
[INFO] [stderr]    |                      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ruyi` (test "gate") generated 2 warnings
[INFO] [stderr] warning: `ruyi` (lib test) generated 34 warnings (34 duplicates)
[INFO] [stderr] warning: `ruyi` (test "buf") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ruyi-73aeb57115ef70b1)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/buf.rs (/opt/rustwide/target/debug/deps/buf-024f852391325ba3)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test codec_u8 ... ok
[INFO] [stdout] test codec_u8s ... ok
[INFO] [stdout] test windows ... ok
[INFO] [stdout] test compare ... ok
[INFO] [stdout] test codec_varint ... ok
[INFO] [stdout] test starts_with ... ok
[INFO] [stdout] test codec_f64 ... ok
[INFO] [stdout] test ends_with ... ok
[INFO] [stdout] test read_write ... ok
[INFO] [stdout] test find_and_rfind_from ... ok
[INFO] [stdout] test codec_u32 ... ok
[INFO] [stdout] test codec_str_utf8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/channel.rs (/opt/rustwide/target/debug/deps/channel-d90c0a79f41904c3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test spsc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/gate.rs (/opt/rustwide/target/debug/deps/gate-fac53ff5d5130cbf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test gate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/slab.rs (/opt/rustwide/target/debug/deps/slab-fd1c85d8c61d9c00)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test slab_insert ... ok
[INFO] [stdout] test slab_remove ... ok
[INFO] [stdout] test slab_invalid_idx ... ok
[INFO] [stdout] test slab_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/timer.rs (/opt/rustwide/target/debug/deps/timer-434014dde4090d89)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sleep ... ignored
[INFO] [stdout] test timer ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruyi
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/nio/sys/unix/mod.rs:78:8
[INFO] [stderr]    |
[INFO] [stderr] 78 |     Ok((n))
[INFO] [stderr]    |        ^ ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 78 -     Ok((n))
[INFO] [stderr] 78 +     Ok(n)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/nio/sys/unix/mod.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 |     Ok((n))
[INFO] [stderr]    |        ^ ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 85 -     Ok((n))
[INFO] [stderr] 85 +     Ok(n)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/nio/sys/unix/linux.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         Ok((n))
[INFO] [stderr]    |            ^ ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 70 -         Ok((n))
[INFO] [stderr] 70 +         Ok(n)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "915c7e3b7a47c956601de0325b4bd735ff9dac058d7752fc525a3bbfad710dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915c7e3b7a47c956601de0325b4bd735ff9dac058d7752fc525a3bbfad710dcd", kill_on_drop: false }`
[INFO] [stdout] 915c7e3b7a47c956601de0325b4bd735ff9dac058d7752fc525a3bbfad710dcd