[INFO] fetching crate mini 0.0.4...
[INFO] checking mini-0.0.4 against 1.55.0 for beta-1.56-3
[INFO] extracting crate mini 0.0.4 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate mini 0.0.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-66/source/Cargo.toml
[INFO] crate crates.io crate mini 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99b97a683ec71c6a0d925bcf3727e011c5186ab649ce13e8d1435c1ca5b72317
[INFO] running `Command { std: "docker" "start" "-a" "99b97a683ec71c6a0d925bcf3727e011c5186ab649ce13e8d1435c1ca5b72317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99b97a683ec71c6a0d925bcf3727e011c5186ab649ce13e8d1435c1ca5b72317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b97a683ec71c6a0d925bcf3727e011c5186ab649ce13e8d1435c1ca5b72317", kill_on_drop: false }`
[INFO] [stdout] 99b97a683ec71c6a0d925bcf3727e011c5186ab649ce13e8d1435c1ca5b72317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4f074d1982f09713d732102e37f9da8fa31ec7260930a03204638766129fcb4
[INFO] running `Command { std: "docker" "start" "-a" "b4f074d1982f09713d732102e37f9da8fa31ec7260930a03204638766129fcb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking mini v0.0.4 (/opt/rustwide/workdir)
[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]    |                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TcpConnectionNotify`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TcpConnectionNotify`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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)]` 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]    |                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TcpConnectionNotify`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TcpConnectionNotify`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "b4f074d1982f09713d732102e37f9da8fa31ec7260930a03204638766129fcb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f074d1982f09713d732102e37f9da8fa31ec7260930a03204638766129fcb4", kill_on_drop: false }`
[INFO] [stdout] b4f074d1982f09713d732102e37f9da8fa31ec7260930a03204638766129fcb4
