[INFO] cloning repository https://github.com/hayasshi/rust-tcp-book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hayasshi/rust-tcp-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayasshi%2Frust-tcp-book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayasshi%2Frust-tcp-book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d76d73cca8cbb0daaf7c84aae7b2a6d604a79c65 [INFO] testing hayasshi/rust-tcp-book against 1.75.0 for beta-1.76-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayasshi%2Frust-tcp-book" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hayasshi/rust-tcp-book on toolchain 1.75.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hayasshi/rust-tcp-book [INFO] finished tweaking git repo https://github.com/hayasshi/rust-tcp-book [INFO] tweaked toml for git repo https://github.com/hayasshi/rust-tcp-book written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hayasshi/rust-tcp-book 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.118 [INFO] [stderr] Downloaded pnet_base v0.27.2 [INFO] [stderr] Downloaded getrandom v0.2.0 [INFO] [stderr] Downloaded pnet_sys v0.27.2 [INFO] [stderr] Downloaded pnet_packet v0.27.2 [INFO] [stderr] Downloaded rand v0.8.0 [INFO] [stderr] Downloaded regex-syntax v0.6.21 [INFO] [stderr] Downloaded libc v0.2.81 [INFO] [stderr] Downloaded regex v1.4.2 [INFO] [stderr] Downloaded pnet v0.27.2 [INFO] [stderr] Downloaded anyhow v1.0.36 [INFO] [stderr] Downloaded ctrlc v3.1.7 [INFO] [stderr] Downloaded pnet_macros_support v0.27.2 [INFO] [stderr] Downloaded rand_core v0.6.0 [INFO] [stderr] Downloaded pnet_transport v0.27.2 [INFO] [stderr] Downloaded ipnetwork v0.17.0 [INFO] [stderr] Downloaded pnet_macros v0.27.2 [INFO] [stderr] Downloaded pnet_datalink v0.27.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78af37e91ddfff346ed2c4d4b0c1d0844a5c7c3a4f7b9663d09b7eb1ccafe767 [INFO] running `Command { std: "docker" "start" "-a" "78af37e91ddfff346ed2c4d4b0c1d0844a5c7c3a4f7b9663d09b7eb1ccafe767", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78af37e91ddfff346ed2c4d4b0c1d0844a5c7c3a4f7b9663d09b7eb1ccafe767", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78af37e91ddfff346ed2c4d4b0c1d0844a5c7c3a4f7b9663d09b7eb1ccafe767", kill_on_drop: false }` [INFO] [stdout] 78af37e91ddfff346ed2c4d4b0c1d0844a5c7c3a4f7b9663d09b7eb1ccafe767 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26048cc892a23478fa71a115c27d9e5da932a974290943ed070aadf7e1b8420f [INFO] running `Command { std: "docker" "start" "-a" "26048cc892a23478fa71a115c27d9e5da932a974290943ed070aadf7e1b8420f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling pnet_base v0.27.2 [INFO] [stderr] Compiling anyhow v1.0.36 [INFO] [stderr] Compiling pnet v0.27.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling pnet_macros_support v0.27.2 [INFO] [stderr] Compiling echoserver v0.1.0 (/opt/rustwide/workdir/echoserver) [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling pnet_sys v0.27.2 [INFO] [stderr] Compiling rand_core v0.6.0 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling rand v0.8.0 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling ipnetwork v0.17.0 [INFO] [stderr] Compiling pnet_datalink v0.27.2 [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] Compiling pnet_transport v0.27.2 [INFO] [stderr] Compiling toytcp v0.1.0 (/opt/rustwide/workdir/toytcp) [INFO] [stdout] warning: unused import: `crate::tcpflags` [INFO] [stdout] --> toytcp/src/socket.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::tcpflags; [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] --> toytcp/src/socket.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | use pnet::packet::{ip::IpNextHeaderProtocols, tcp, Packet}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> toytcp/src/socket.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::SystemTime` [INFO] [stdout] --> toytcp/src/socket.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::time::SystemTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ipv4`, `Tcp` [INFO] [stdout] --> toytcp/src/socket.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | use IpNextHeaderProtocols::{Ipv4, Tcp}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::NonNull` [INFO] [stdout] --> toytcp/src/tcp.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLockWriteGuard` [INFO] [stdout] --> toytcp/src/tcp.rs:12:46 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::{Arc, Condvar, Mutex, RwLock, RwLockWriteGuard}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `SystemTime` [INFO] [stdout] --> toytcp/src/tcp.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp`, `thread` [INFO] [stdout] --> toytcp/src/tcp.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{cmp, ops::Range, str, thread}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sock_id` [INFO] [stdout] --> toytcp/src/tcp.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | 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 `Listen`, `FinWait1`, `FinWait2`, `TimeWait`, `CloseWait`, and `LastAck` are never constructed [INFO] [stdout] --> toytcp/src/socket.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub enum TcpStatus { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 47 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 52 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 53 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 54 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 55 | 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] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_TRANSMITTION` is never used [INFO] [stdout] --> toytcp/src/tcp.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | const MAX_TRANSMITTION: u8 = 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RETRANSMITTION_TIMEOUT` is never used [INFO] [stdout] --> toytcp/src/tcp.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const RETRANSMITTION_TIMEOUT: u64 = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MSS` is never used [INFO] [stdout] --> toytcp/src/tcp.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | const MSS: usize = 1460; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.04s [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 2` [INFO] running `Command { std: "docker" "inspect" "26048cc892a23478fa71a115c27d9e5da932a974290943ed070aadf7e1b8420f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26048cc892a23478fa71a115c27d9e5da932a974290943ed070aadf7e1b8420f", kill_on_drop: false }` [INFO] [stdout] 26048cc892a23478fa71a115c27d9e5da932a974290943ed070aadf7e1b8420f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 58fdbefaa5395ebd88af462a19948d17d0bcc7f256b764f078c2ac5f65ccf9d2 [INFO] running `Command { std: "docker" "start" "-a" "58fdbefaa5395ebd88af462a19948d17d0bcc7f256b764f078c2ac5f65ccf9d2", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling echoserver v0.1.0 (/opt/rustwide/workdir/echoserver) [INFO] [stdout] warning: unused import: `crate::tcpflags` [INFO] [stdout] --> toytcp/src/socket.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::tcpflags; [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] --> toytcp/src/socket.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | use pnet::packet::{ip::IpNextHeaderProtocols, tcp, Packet}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> toytcp/src/socket.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::SystemTime` [INFO] [stdout] --> toytcp/src/socket.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::time::SystemTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ipv4`, `Tcp` [INFO] [stdout] --> toytcp/src/socket.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | use IpNextHeaderProtocols::{Ipv4, Tcp}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::NonNull` [INFO] [stdout] --> toytcp/src/tcp.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLockWriteGuard` [INFO] [stdout] --> toytcp/src/tcp.rs:12:46 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::{Arc, Condvar, Mutex, RwLock, RwLockWriteGuard}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `SystemTime` [INFO] [stdout] --> toytcp/src/tcp.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp`, `thread` [INFO] [stdout] --> toytcp/src/tcp.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{cmp, ops::Range, str, thread}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sock_id` [INFO] [stdout] --> toytcp/src/tcp.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | 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 `Listen`, `FinWait1`, `FinWait2`, `TimeWait`, `CloseWait`, and `LastAck` are never constructed [INFO] [stdout] --> toytcp/src/socket.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub enum TcpStatus { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 47 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 52 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 53 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 54 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 55 | 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] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_TRANSMITTION` is never used [INFO] [stdout] --> toytcp/src/tcp.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | const MAX_TRANSMITTION: u8 = 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RETRANSMITTION_TIMEOUT` is never used [INFO] [stdout] --> toytcp/src/tcp.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const RETRANSMITTION_TIMEOUT: u64 = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MSS` is never used [INFO] [stdout] --> toytcp/src/tcp.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | const MSS: usize = 1460; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling ctrlc v3.1.7 [INFO] [stderr] Compiling toytcp v0.1.0 (/opt/rustwide/workdir/toytcp) [INFO] [stdout] warning: unused imports: `io`, `str` [INFO] [stdout] --> toytcp/examples/echoclient.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{env, io, net::Ipv4Addr, str}; [INFO] [stdout] | ^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tcpflags` [INFO] [stdout] --> toytcp/src/socket.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::tcpflags; [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] --> toytcp/src/socket.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | use pnet::packet::{ip::IpNextHeaderProtocols, tcp, Packet}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> toytcp/src/socket.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::SystemTime` [INFO] [stdout] --> toytcp/src/socket.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::time::SystemTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ipv4`, `Tcp` [INFO] [stdout] --> toytcp/src/socket.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | use IpNextHeaderProtocols::{Ipv4, Tcp}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::NonNull` [INFO] [stdout] --> toytcp/src/tcp.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLockWriteGuard` [INFO] [stdout] --> toytcp/src/tcp.rs:12:46 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::{Arc, Condvar, Mutex, RwLock, RwLockWriteGuard}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `SystemTime` [INFO] [stdout] --> toytcp/src/tcp.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp`, `thread` [INFO] [stdout] --> toytcp/src/tcp.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{cmp, ops::Range, str, thread}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sock_id` [INFO] [stdout] --> toytcp/src/tcp.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | 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 `Listen`, `FinWait1`, `FinWait2`, `TimeWait`, `CloseWait`, and `LastAck` are never constructed [INFO] [stdout] --> toytcp/src/socket.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub enum TcpStatus { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 47 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 52 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 53 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 54 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 55 | 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] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_TRANSMITTION` is never used [INFO] [stdout] --> toytcp/src/tcp.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | const MAX_TRANSMITTION: u8 = 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RETRANSMITTION_TIMEOUT` is never used [INFO] [stdout] --> toytcp/src/tcp.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const RETRANSMITTION_TIMEOUT: u64 = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MSS` is never used [INFO] [stdout] --> toytcp/src/tcp.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | const MSS: usize = 1460; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.28s [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 2` [INFO] running `Command { std: "docker" "inspect" "58fdbefaa5395ebd88af462a19948d17d0bcc7f256b764f078c2ac5f65ccf9d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58fdbefaa5395ebd88af462a19948d17d0bcc7f256b764f078c2ac5f65ccf9d2", kill_on_drop: false }` [INFO] [stdout] 58fdbefaa5395ebd88af462a19948d17d0bcc7f256b764f078c2ac5f65ccf9d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 008765237fac1bd9ce35a2a68931ef50ea9c2c392a36490fafe0b387c045e014 [INFO] running `Command { std: "docker" "start" "-a" "008765237fac1bd9ce35a2a68931ef50ea9c2c392a36490fafe0b387c045e014", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate::tcpflags` [INFO] [stderr] --> toytcp/src/socket.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::tcpflags; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tcp` [INFO] [stderr] --> toytcp/src/socket.rs:4:47 [INFO] [stderr] | [INFO] [stderr] 4 | use pnet::packet::{ip::IpNextHeaderProtocols, tcp, Packet}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::VecDeque` [INFO] [stderr] --> toytcp/src/socket.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::collections::VecDeque; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::SystemTime` [INFO] [stderr] --> toytcp/src/socket.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::time::SystemTime; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Ipv4`, `Tcp` [INFO] [stderr] --> toytcp/src/socket.rs:11:29 [INFO] [stderr] | [INFO] [stderr] 11 | use IpNextHeaderProtocols::{Ipv4, Tcp}; [INFO] [stderr] | ^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ptr::NonNull` [INFO] [stderr] --> toytcp/src/tcp.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::ptr::NonNull; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `RwLockWriteGuard` [INFO] [stderr] --> toytcp/src/tcp.rs:12:46 [INFO] [stderr] | [INFO] [stderr] 12 | use std::sync::{Arc, Condvar, Mutex, RwLock, RwLockWriteGuard}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `SystemTime` [INFO] [stderr] --> toytcp/src/tcp.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use std::time::{Duration, SystemTime}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `cmp`, `thread` [INFO] [stderr] --> toytcp/src/tcp.rs:14:11 [INFO] [stderr] | [INFO] [stderr] 14 | use std::{cmp, ops::Range, str, thread}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sock_id` [INFO] [stderr] --> toytcp/src/tcp.rs:131:17 [INFO] [stderr] | [INFO] [stderr] 131 | let sock_id = socket.get_sock_id(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sock_id` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variants `Listen`, `FinWait1`, `FinWait2`, `TimeWait`, `CloseWait`, and `LastAck` are never constructed [INFO] [stderr] --> toytcp/src/socket.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub enum TcpStatus { [INFO] [stderr] | --------- variants in this enum [INFO] [stderr] 47 | Listen, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 51 | FinWait1, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 52 | FinWait2, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 53 | TimeWait, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 54 | CloseWait, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 55 | LastAck, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `TcpStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant `MAX_TRANSMITTION` is never used [INFO] [stderr] --> toytcp/src/tcp.rs:18:7 [INFO] [stderr] | [INFO] [stderr] 18 | const MAX_TRANSMITTION: u8 = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant `RETRANSMITTION_TIMEOUT` is never used [INFO] [stderr] --> toytcp/src/tcp.rs:19:7 [INFO] [stderr] | [INFO] [stderr] 19 | const RETRANSMITTION_TIMEOUT: u64 = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant `MSS` is never used [INFO] [stderr] --> toytcp/src/tcp.rs:20:7 [INFO] [stderr] | [INFO] [stderr] 20 | const MSS: usize = 1460; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `toytcp` (lib) generated 14 warnings (run `cargo fix --lib -p toytcp` to apply 10 suggestions) [INFO] [stderr] warning: `toytcp` (lib test) generated 14 warnings (14 duplicates) [INFO] [stderr] warning: unused imports: `io`, `str` [INFO] [stderr] --> toytcp/examples/echoclient.rs:2:16 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{env, io, net::Ipv4Addr, str}; [INFO] [stderr] | ^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `toytcp` (example "echoclient") generated 1 warning (run `cargo fix --example "echoclient"` to apply 1 suggestion) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [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 2` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/echoserver-5e00fdcb9421e134) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/toytcp-77f2ae9a0415ad34) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests toytcp [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "008765237fac1bd9ce35a2a68931ef50ea9c2c392a36490fafe0b387c045e014", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "008765237fac1bd9ce35a2a68931ef50ea9c2c392a36490fafe0b387c045e014", kill_on_drop: false }` [INFO] [stdout] 008765237fac1bd9ce35a2a68931ef50ea9c2c392a36490fafe0b387c045e014