[INFO] cloning repository https://github.com/tawashichan/toy-tcp-sample [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tawashichan/toy-tcp-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Ftoy-tcp-sample", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Ftoy-tcp-sample'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c1366fd77118d865e6bf5d8849f7320edf3198f8 [INFO] checking tawashichan/toy-tcp-sample against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Ftoy-tcp-sample" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tawashichan/toy-tcp-sample on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tawashichan/toy-tcp-sample [INFO] finished tweaking git repo https://github.com/tawashichan/toy-tcp-sample [INFO] tweaked toml for git repo https://github.com/tawashichan/toy-tcp-sample written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tawashichan/toy-tcp-sample 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pnet_packet v0.27.2 [INFO] [stderr] Downloaded pnet_transport v0.27.2 [INFO] [stderr] Downloaded pnet_macros_support v0.27.2 [INFO] [stderr] Downloaded pnet v0.27.2 [INFO] [stderr] Downloaded pnet_macros v0.27.2 [INFO] [stderr] Downloaded pnet_base v0.27.2 [INFO] [stderr] Downloaded ipnetwork v0.17.0 [INFO] [stderr] Downloaded ctrlc v3.1.9 [INFO] [stderr] Downloaded pnet_datalink v0.27.2 [INFO] [stderr] Downloaded pnet_sys v0.27.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95cc9fd99317dd04830417cdf6aa3c5a6fbd26d2f84b7f40a73aac9c4bfdbe3a [INFO] running `Command { std: "docker" "start" "-a" "95cc9fd99317dd04830417cdf6aa3c5a6fbd26d2f84b7f40a73aac9c4bfdbe3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95cc9fd99317dd04830417cdf6aa3c5a6fbd26d2f84b7f40a73aac9c4bfdbe3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95cc9fd99317dd04830417cdf6aa3c5a6fbd26d2f84b7f40a73aac9c4bfdbe3a", kill_on_drop: false }` [INFO] [stdout] 95cc9fd99317dd04830417cdf6aa3c5a6fbd26d2f84b7f40a73aac9c4bfdbe3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51aeef5d46f40cec2fd127f5e1e24f150752cf507439839514ad965053d1dde8 [INFO] running `Command { std: "docker" "start" "-a" "51aeef5d46f40cec2fd127f5e1e24f150752cf507439839514ad965053d1dde8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Checking pnet_base v0.27.2 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pnet v0.27.2 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking pnet_macros_support v0.27.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking pnet_sys v0.27.2 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Checking ipnetwork v0.17.0 [INFO] [stderr] Checking pnet_datalink v0.27.2 [INFO] [stderr] Checking ctrlc v3.1.9 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.27.2 [INFO] [stderr] Compiling pnet_packet v0.27.2 [INFO] [stderr] Checking pnet_transport v0.27.2 [INFO] [stderr] Checking tcp-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Tcf` [INFO] [stdout] --> src/packet.rs:4:62 [INFO] [stdout] | [INFO] [stdout] 4 | use pnet::packet::{Packet, ip::IpNextHeaderProtocols::{self, Tcf}, tcp::TcpPacket, util}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tcp` [INFO] [stdout] --> src/tcp.rs:7:69 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{packet::TCPPacket, socket::{SockID, Socket, TcpStatus}, tcp, tcpflags}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tcp` [INFO] [stdout] --> src/socket.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{packet::TCPPacket, tcp}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Tcf` [INFO] [stdout] --> src/packet.rs:4:62 [INFO] [stdout] | [INFO] [stdout] 4 | use pnet::packet::{Packet, ip::IpNextHeaderProtocols::{self, Tcf}, tcp::TcpPacket, util}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tcp` [INFO] [stdout] --> src/tcp.rs:7:69 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{packet::TCPPacket, socket::{SockID, Socket, TcpStatus}, tcp, tcpflags}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tcp` [INFO] [stdout] --> src/socket.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{packet::TCPPacket, tcp}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sock_id` [INFO] [stdout] --> src/tcp.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | let sock_id = socket.get_sock_id(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sock_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sock_id` [INFO] [stdout] --> src/tcp.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | let sock_id = socket.get_sock_id(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sock_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Acked`, `DataArrived`, and `ConnectionClosed` are never constructed [INFO] [stdout] --> src/tcp.rs:216:5 [INFO] [stdout] | [INFO] [stdout] 214 | pub enum TCPEventKind { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 215 | ConnectionCompleted, [INFO] [stdout] 216 | Acked, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 217 | DataArrived, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 218 | ConnectionClosed, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TCPEventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Listen`, `FinWait1`, `FinWait2`, `TimeWait`, `CloseWait`, and `LastAck` are never constructed [INFO] [stdout] --> src/socket.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub enum TcpStatus { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 45 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 50 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 51 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 52 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 53 | LastAck, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TcpStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Acked`, `DataArrived`, and `ConnectionClosed` are never constructed [INFO] [stdout] --> src/tcp.rs:216:5 [INFO] [stdout] | [INFO] [stdout] 214 | pub enum TCPEventKind { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 215 | ConnectionCompleted, [INFO] [stdout] 216 | Acked, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 217 | DataArrived, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 218 | ConnectionClosed, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TCPEventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Listen`, `FinWait1`, `FinWait2`, `TimeWait`, `CloseWait`, and `LastAck` are never constructed [INFO] [stdout] --> src/socket.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub enum TcpStatus { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 45 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 50 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 51 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 52 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 53 | LastAck, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TcpStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.96s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "51aeef5d46f40cec2fd127f5e1e24f150752cf507439839514ad965053d1dde8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51aeef5d46f40cec2fd127f5e1e24f150752cf507439839514ad965053d1dde8", kill_on_drop: false }` [INFO] [stdout] 51aeef5d46f40cec2fd127f5e1e24f150752cf507439839514ad965053d1dde8