[INFO] cloning repository https://github.com/JuneSYi/concurrent-network-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuneSYi/concurrent-network-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuneSYi%2Fconcurrent-network-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuneSYi%2Fconcurrent-network-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 85d57bf1997a9ebd4f3f6d37c4e2c905ecf93040 [INFO] checking JuneSYi/concurrent-network-server against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuneSYi%2Fconcurrent-network-server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/JuneSYi/concurrent-network-server [INFO] finished tweaking git repo https://github.com/JuneSYi/concurrent-network-server [INFO] tweaked toml for git repo https://github.com/JuneSYi/concurrent-network-server written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/JuneSYi/concurrent-network-server on toolchain a5689b034ad287112f709693384a37f1377eb9cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/JuneSYi/concurrent-network-server 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 66cbc865fde1260b3578cc6d8533f2a28f8f565707d7328a97a1ddb07e2c2a19 [INFO] running `Command { std: "docker" "start" "66cbc865fde1260b3578cc6d8533f2a28f8f565707d7328a97a1ddb07e2c2a19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66cbc865fde1260b3578cc6d8533f2a28f8f565707d7328a97a1ddb07e2c2a19", 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" "66cbc865fde1260b3578cc6d8533f2a28f8f565707d7328a97a1ddb07e2c2a19" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66cbc865fde1260b3578cc6d8533f2a28f8f565707d7328a97a1ddb07e2c2a19", 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" "66cbc865fde1260b3578cc6d8533f2a28f8f565707d7328a97a1ddb07e2c2a19" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking concurrent-network-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: useless conversion to the same type: `std::io::Error` [INFO] [stdout] --> src/handler/async_handler.rs:101:32 [INFO] [stdout] | [INFO] [stdout] 101 | return Err(e.into()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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] 101 - return Err(e.into()); [INFO] [stdout] 101 + return Err(e); [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 101 - return Err(e.into()); [INFO] [stdout] 101 + return Err(>::into(e)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `concurrent-network-server` (lib test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: useless conversion to the same type: `std::io::Error` [INFO] [stdout] --> src/handler/async_handler.rs:101:32 [INFO] [stdout] | [INFO] [stdout] 101 | return Err(e.into()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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] 101 - return Err(e.into()); [INFO] [stdout] 101 + return Err(e); [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 101 - return Err(e.into()); [INFO] [stdout] 101 + return Err(>::into(e)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `concurrent-network-server` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "66cbc865fde1260b3578cc6d8533f2a28f8f565707d7328a97a1ddb07e2c2a19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66cbc865fde1260b3578cc6d8533f2a28f8f565707d7328a97a1ddb07e2c2a19", kill_on_drop: false }` [INFO] [stdout] 66cbc865fde1260b3578cc6d8533f2a28f8f565707d7328a97a1ddb07e2c2a19