[INFO] cloning repository https://github.com/fx-kirin/mio_tcp_loop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fx-kirin/mio_tcp_loop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx-kirin%2Fmio_tcp_loop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx-kirin%2Fmio_tcp_loop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6c188b4b511fa5a40cabc20acebb249a64f3da2
[INFO] checking fx-kirin/mio_tcp_loop against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx-kirin%2Fmio_tcp_loop" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fx-kirin/mio_tcp_loop
[INFO] finished tweaking git repo https://github.com/fx-kirin/mio_tcp_loop
[INFO] tweaked toml for git repo https://github.com/fx-kirin/mio_tcp_loop written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fx-kirin/mio_tcp_loop on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to highest compatible versions
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 422205a0b0655bfec28570a636e62e9539afdf02d29cbff1af9bec349fe902c0
[INFO] running `Command { std: "docker" "start" "422205a0b0655bfec28570a636e62e9539afdf02d29cbff1af9bec349fe902c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422205a0b0655bfec28570a636e62e9539afdf02d29cbff1af9bec349fe902c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "422205a0b0655bfec28570a636e62e9539afdf02d29cbff1af9bec349fe902c0" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422205a0b0655bfec28570a636e62e9539afdf02d29cbff1af9bec349fe902c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "422205a0b0655bfec28570a636e62e9539afdf02d29cbff1af9bec349fe902c0" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking log v0.4.34
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking kaniexpect v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking gdb_breakpoint v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.21
[INFO] [stderr]     Checking thiserror v2.0.21
[INFO] [stderr]     Checking mio_tcp_loop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/lib.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log::{debug, error, info, trace};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/lib.rs:407:36
[INFO] [stdout]     |
[INFO] [stdout] 407 |                         return Err(e.into());
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 407 -                         return Err(e.into());
[INFO] [stdout] 407 +                         return Err(e);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 407 -                         return Err(e.into());
[INFO] [stdout] 407 +                         return Err(<std::io::Error as Into<_>>::into(e));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/lib.rs:421:37
[INFO] [stdout]     |
[INFO] [stdout] 421 |                     _ => return Err(e.into()),
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 421 -                     _ => return Err(e.into()),
[INFO] [stdout] 421 +                     _ => return Err(e),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 421 -                     _ => return Err(e.into()),
[INFO] [stdout] 421 +                     _ => return Err(<std::io::Error as Into<_>>::into(e)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/lib.rs:482:36
[INFO] [stdout]     |
[INFO] [stdout] 482 |                         return Err(e.into());
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 482 -                         return Err(e.into());
[INFO] [stdout] 482 +                         return Err(e);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 482 -                         return Err(e.into());
[INFO] [stdout] 482 +                         return Err(<std::io::Error as Into<_>>::into(e));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/lib.rs:489:37
[INFO] [stdout]     |
[INFO] [stdout] 489 |                     _ => return Err(e.into()),
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 489 -                     _ => return Err(e.into()),
[INFO] [stdout] 489 +                     _ => return Err(e),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 489 -                     _ => return Err(e.into()),
[INFO] [stdout] 489 +                     _ => return Err(<std::io::Error as Into<_>>::into(e)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mio_tcp_loop` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/lib.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log::{debug, error, info, trace};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/lib.rs:407:36
[INFO] [stdout]     |
[INFO] [stdout] 407 |                         return Err(e.into());
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 407 -                         return Err(e.into());
[INFO] [stdout] 407 +                         return Err(e);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 407 -                         return Err(e.into());
[INFO] [stdout] 407 +                         return Err(<std::io::Error as Into<_>>::into(e));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/lib.rs:421:37
[INFO] [stdout]     |
[INFO] [stdout] 421 |                     _ => return Err(e.into()),
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 421 -                     _ => return Err(e.into()),
[INFO] [stdout] 421 +                     _ => return Err(e),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 421 -                     _ => return Err(e.into()),
[INFO] [stdout] 421 +                     _ => return Err(<std::io::Error as Into<_>>::into(e)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/lib.rs:482:36
[INFO] [stdout]     |
[INFO] [stdout] 482 |                         return Err(e.into());
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 482 -                         return Err(e.into());
[INFO] [stdout] 482 +                         return Err(e);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 482 -                         return Err(e.into());
[INFO] [stdout] 482 +                         return Err(<std::io::Error as Into<_>>::into(e));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/lib.rs:489:37
[INFO] [stdout]     |
[INFO] [stdout] 489 |                     _ => return Err(e.into()),
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 489 -                     _ => return Err(e.into()),
[INFO] [stdout] 489 +                     _ => return Err(e),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 489 -                     _ => return Err(e.into()),
[INFO] [stdout] 489 +                     _ => return Err(<std::io::Error as Into<_>>::into(e)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mio_tcp_loop` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: unused dependency `gdb_breakpoint`
[INFO] [stderr]  --> Cargo.toml:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | gdb_breakpoint = "0.2.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `gdb_breakpoint`
[INFO] [stderr] warning: unused dependency `kaniexpect`
[INFO] [stderr]  --> Cargo.toml:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | kaniexpect = "0.1.3"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `kaniexpect`
[INFO] [stderr] warning: `mio_tcp_loop` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "inspect" "422205a0b0655bfec28570a636e62e9539afdf02d29cbff1af9bec349fe902c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422205a0b0655bfec28570a636e62e9539afdf02d29cbff1af9bec349fe902c0", kill_on_drop: false }`
[INFO] [stdout] 422205a0b0655bfec28570a636e62e9539afdf02d29cbff1af9bec349fe902c0
