[INFO] fetching crate mini 0.0.4...
[INFO] testing mini-0.0.4 against 1.94.0 for beta-1.95-1
[INFO] extracting crate mini 0.0.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mini 0.0.4
[INFO] finished tweaking crates.io crate mini 0.0.4
[INFO] tweaked toml for crates.io crate mini 0.0.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mini 0.0.4 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mini 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7ff991d8d6d16cf3fee2eece2a18e2629307bfe6a975901fe078ca677d9211e
[INFO] running `Command { std: "docker" "start" "-a" "b7ff991d8d6d16cf3fee2eece2a18e2629307bfe6a975901fe078ca677d9211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7ff991d8d6d16cf3fee2eece2a18e2629307bfe6a975901fe078ca677d9211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ff991d8d6d16cf3fee2eece2a18e2629307bfe6a975901fe078ca677d9211e", kill_on_drop: false }`
[INFO] [stdout] b7ff991d8d6d16cf3fee2eece2a18e2629307bfe6a975901fe078ca677d9211e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f231a60d464f5abc9f02b16e14fc4b9e2041067e9f30fddab19a18d5939837d3
[INFO] running `Command { std: "docker" "start" "-a" "f231a60d464f5abc9f02b16e14fc4b9e2041067e9f30fddab19a18d5939837d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/aio/net.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let _ = CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/aio/net.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         CString::from_raw(service as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let _ = CString::from_raw(service as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:381:17
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/aio/slab.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout]   1 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:396:21
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:605:18
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "f231a60d464f5abc9f02b16e14fc4b9e2041067e9f30fddab19a18d5939837d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f231a60d464f5abc9f02b16e14fc4b9e2041067e9f30fddab19a18d5939837d3", kill_on_drop: false }`
[INFO] [stdout] f231a60d464f5abc9f02b16e14fc4b9e2041067e9f30fddab19a18d5939837d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a14577a8790b6fdaf291006ecbceb7a1107eddeba89611623719cac99267e0
[INFO] running `Command { std: "docker" "start" "-a" "40a14577a8790b6fdaf291006ecbceb7a1107eddeba89611623719cac99267e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/aio/net.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let _ = CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/aio/net.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         CString::from_raw(service as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let _ = CString::from_raw(service as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:381:17
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/aio/slab.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout]   1 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:396:21
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:605:18
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/server.rs:40:66
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<TcpConnectionNotify> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<dyn TcpConnectionNotify> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pthread_t` should have an upper camel case name
[INFO] [stdout]    --> examples/multithread_http_server.rs:171:6
[INFO] [stdout]     |
[INFO] [stdout] 171 | type pthread_t = u64;
[INFO] [stdout]     |      ^^^^^^^^^ help: convert the identifier to upper camel case: `PthreadT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/tcp_echo.rs:30:66
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<TcpConnectionNotify> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<dyn TcpConnectionNotify> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `CPU_SET` should have a snake case name
[INFO] [stdout]    --> examples/multithread_http_server.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn CPU_SET(cpu: usize, cpuset: &mut cpu_set_t) {
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `cpu_set`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/chat_server.rs:90:66
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<TcpConnectionNotify> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<dyn TcpConnectionNotify> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stdout]  --> examples/chat_server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::unix::io::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/http_server.rs:41:66
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<TcpConnectionNotify> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<dyn TcpConnectionNotify> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/http.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     http.get("ww.redbook.io", &mut event_loop, DefaultHttpHandler::new(&stream, HttpGet, HttpError));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let _ = http.get("ww.redbook.io", &mut event_loop, DefaultHttpHandler::new(&stream, HttpGet, HttpError));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/http.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     http.get("www.redbook.io", &mut event_loop, HttpHandlerIgnoreErr::new(&stream, HttpGet));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let _ = http.get("www.redbook.io", &mut event_loop, HttpHandlerIgnoreErr::new(&stream, HttpGet));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/aio/net.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let _ = CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/aio/net.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         CString::from_raw(service as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let _ = CString::from_raw(service as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:381:17
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/aio/slab.rs:2:24
[INFO] [stdout]     |
[INFO] [stdout]   2 | #![cfg_attr(test, deny(warnings, unreachable_pub))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:396:21
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:605:18
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "40a14577a8790b6fdaf291006ecbceb7a1107eddeba89611623719cac99267e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a14577a8790b6fdaf291006ecbceb7a1107eddeba89611623719cac99267e0", kill_on_drop: false }`
[INFO] [stdout] 40a14577a8790b6fdaf291006ecbceb7a1107eddeba89611623719cac99267e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b722c1a672fbaa5d99267aef5890857cad683ba150d5757c57fa8fdf2a67fc75
[INFO] running `Command { std: "docker" "start" "-a" "b722c1a672fbaa5d99267aef5890857cad683ba150d5757c57fa8fdf2a67fc75", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stderr]    --> src/aio/net.rs:307:9
[INFO] [stderr]     |
[INFO] [stderr] 307 |         CString::from_raw(hostname as *mut _);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 307 |         let _ = CString::from_raw(hostname as *mut _);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stderr]    --> src/aio/net.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         CString::from_raw(service as *mut _);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 308 |         let _ = CString::from_raw(service as *mut _);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/aio/slab.rs:381:17
[INFO] [stderr]     |
[INFO] [stderr] 381 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/aio/slab.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr]   1 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 381 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/aio/slab.rs:396:21
[INFO] [stderr]     |
[INFO] [stderr] 396 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 396 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/aio/slab.rs:513:25
[INFO] [stderr]     |
[INFO] [stderr] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stderr]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/aio/slab.rs:605:18
[INFO] [stderr]     |
[INFO] [stderr] 605 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stderr]     |                  ^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 605 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stderr]     |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mini` (lib) generated 6 warnings (run `cargo fix --lib -p mini` to apply 4 suggestions)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/http.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     http.get("ww.redbook.io", &mut event_loop, DefaultHttpHandler::new(&stream, HttpGet, HttpError));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let _ = http.get("ww.redbook.io", &mut event_loop, DefaultHttpHandler::new(&stream, HttpGet, HttpError));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/http.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     http.get("www.redbook.io", &mut event_loop, HttpHandlerIgnoreErr::new(&stream, HttpGet));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let _ = http.get("www.redbook.io", &mut event_loop, HttpHandlerIgnoreErr::new(&stream, HttpGet));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mini` (example "http") generated 2 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/http_server.rs:41:66
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<TcpConnectionNotify> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<dyn TcpConnectionNotify> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: type `pthread_t` should have an upper camel case name
[INFO] [stderr]    --> examples/multithread_http_server.rs:171:6
[INFO] [stderr]     |
[INFO] [stderr] 171 | type pthread_t = u64;
[INFO] [stderr]     |      ^^^^^^^^^ help: convert the identifier to upper camel case: `PthreadT`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `CPU_SET` should have a snake case name
[INFO] [stderr]    --> examples/multithread_http_server.rs:165:4
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn CPU_SET(cpu: usize, cpuset: &mut cpu_set_t) {
[INFO] [stderr]     |    ^^^^^^^ help: convert the identifier to snake case: `cpu_set`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/chat_server.rs:90:66
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<TcpConnectionNotify> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<dyn TcpConnectionNotify> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stderr]  --> examples/chat_server.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::os::unix::io::AsRawFd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/server.rs:40:66
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<TcpConnectionNotify> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<dyn TcpConnectionNotify> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/tcp_echo.rs:30:66
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<TcpConnectionNotify> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn connected(&mut self, _listener: &net::TcpListener) -> Box<dyn TcpConnectionNotify> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/aio/slab.rs:381:17
[INFO] [stderr]     |
[INFO] [stderr] 381 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/aio/slab.rs:2:24
[INFO] [stderr]     |
[INFO] [stderr]   2 | #![cfg_attr(test, deny(warnings, unreachable_pub))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 381 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mini` (example "http_server") generated 1 warning (run `cargo fix --example "http_server" -p mini` to apply 1 suggestion)
[INFO] [stderr] warning: `mini` (example "multithread_http_server") generated 2 warnings
[INFO] [stderr] warning: `mini` (example "chat_server") generated 2 warnings (run `cargo fix --example "chat_server" -p mini` to apply 1 suggestion)
[INFO] [stderr] warning: `mini` (example "server") generated 1 warning (run `cargo fix --example "server" -p mini` to apply 1 suggestion)
[INFO] [stderr] warning: `mini` (example "tcp_echo") generated 1 warning (run `cargo fix --example "tcp_echo" -p mini` to apply 1 suggestion)
[INFO] [stderr] warning: `mini` (lib test) generated 6 warnings (5 duplicates) (run `cargo fix --lib -p mini --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mini-70a96a2d1d24449e)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test aio::uhttp_uri::test::test_http_uri ... ok
[INFO] [stdout] test getopts::test_split_within ... ok
[INFO] [stdout] test rand::tests::distribution_big ... ignored
[INFO] [stdout] test fs::tests::test_temp_file_exists ... ok
[INFO] [stdout] test aio::uhttp_uri::test::test_http_resource ... ok
[INFO] [stdout] test getopts::tests::test_long_to_short ... ok
[INFO] [stdout] test rand::tests::avg_median ... ok
[INFO] [stdout] test rand::tests::distribution_small ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/getopts.rs (/opt/rustwide/target/debug/deps/getopts-c6bb96221e73e4ef)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test test_aliases_long_and_short ... ok
[INFO] [stdout] test test_free_argument_is_hyphen ... ok
[INFO] [stdout] test test_combined ... ok
[INFO] [stdout] test test_nonexistant_opt ... ok
[INFO] [stdout] test test_nospace ... ok
[INFO] [stdout] test test_opt_only_end ... ok
[INFO] [stdout] test test_multi ... ok
[INFO] [stdout] test test_optflag_long_arg ... ok
[INFO] [stdout] test test_optflag ... ok
[INFO] [stdout] test test_opt_end ... ok
[INFO] [stdout] test test_nospace_conflict ... ok
[INFO] [stdout] test test_optflag_missing ... ok
[INFO] [stdout] test test_args_with_equals ... ok
[INFO] [stdout] test test_optflag_short_arg ... ok
[INFO] [stdout] test test_optflag_multi ... ok
[INFO] [stdout] test test_optflagmulti_long1 ... ok
[INFO] [stdout] test test_optflagmulti_long2 ... ok
[INFO] [stdout] test test_optflagmulti_short1 ... ok
[INFO] [stdout] test test_optflagmulti_short2b ... ok
[INFO] [stdout] test test_optflagmulti_short2a ... ok
[INFO] [stdout] test test_optmulti ... ok
[INFO] [stdout] test test_optmulti_missing ... ok
[INFO] [stdout] test test_optopt ... ok
[INFO] [stdout] test test_optopt_missing ... ok
[INFO] [stdout] test test_optopt_no_arg ... ok
[INFO] [stdout] test test_optflagmulti_mix ... ok
[INFO] [stdout] test test_reqopt_missing ... ok
[INFO] [stdout] test test_reqopt ... ok
[INFO] [stdout] test test_reqopt_multi ... ok
[INFO] [stdout] test test_reqopt_no_arg ... ok
[INFO] [stdout] test test_optmulti_no_arg ... ok
[INFO] [stdout] test test_optflagopt ... ok
[INFO] [stdout] test test_usage ... ok
[INFO] [stdout] test test_usage_description_multibyte_handling ... ok
[INFO] [stdout] test test_usage_short_only ... ok
[INFO] [stdout] test test_optmulti_multi ... ok
[INFO] [stdout] test test_usage_description_wrapping ... ok
[INFO] [stdout] test test_short_usage ... ok
[INFO] [stdout] test test_usage_long_only ... ok
[INFO] [stdout] test test_unrecognized_option ... ok
[INFO] [stdout] test test_optopt_multi ... ok
[INFO] [stdout] test test_undefined_opt_present - should panic ... ok
[INFO] [stdout] test test_long_name_too_short - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/http_serve.rs (/opt/rustwide/target/debug/deps/http_serve-b2277d4aa54e3ea7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_http_client_server has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b722c1a672fbaa5d99267aef5890857cad683ba150d5757c57fa8fdf2a67fc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b722c1a672fbaa5d99267aef5890857cad683ba150d5757c57fa8fdf2a67fc75", kill_on_drop: false }`
[INFO] [stdout] b722c1a672fbaa5d99267aef5890857cad683ba150d5757c57fa8fdf2a67fc75
