[INFO] cloning repository https://github.com/fffclaypool/toytcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fffclaypool/toytcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffffclaypool%2Ftoytcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffffclaypool%2Ftoytcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6fbe87f80fd726ebb715c2320ee2afdd64fc22bc [INFO] checking fffclaypool/toytcp against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffffclaypool%2Ftoytcp" "/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/fffclaypool/toytcp on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fffclaypool/toytcp [INFO] finished tweaking git repo https://github.com/fffclaypool/toytcp [INFO] tweaked toml for git repo https://github.com/fffclaypool/toytcp written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fffclaypool/toytcp 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: devdependencies [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pnet_transport v0.34.0 [INFO] [stderr] Downloaded pnet_macros_support v0.34.0 [INFO] [stderr] Downloaded pnet v0.34.0 [INFO] [stderr] Downloaded pnet_packet v0.34.0 [INFO] [stderr] Downloaded pnet_macros v0.34.0 [INFO] [stderr] Downloaded pnet_datalink v0.34.0 [INFO] [stderr] Downloaded pnet_base v0.34.0 [INFO] [stderr] Downloaded pnet_sys v0.34.0 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a605818110e4a27240fbd94f72bce557b2f1e8972077db3586e43c1e1d6087b6 [INFO] running `Command { std: "docker" "start" "-a" "a605818110e4a27240fbd94f72bce557b2f1e8972077db3586e43c1e1d6087b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a605818110e4a27240fbd94f72bce557b2f1e8972077db3586e43c1e1d6087b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a605818110e4a27240fbd94f72bce557b2f1e8972077db3586e43c1e1d6087b6", kill_on_drop: false }` [INFO] [stdout] a605818110e4a27240fbd94f72bce557b2f1e8972077db3586e43c1e1d6087b6 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5ecabc9d89acd2b4a9a499765b743962883eed11183f82c58040367b3a9353d [INFO] running `Command { std: "docker" "start" "-a" "a5ecabc9d89acd2b4a9a499765b743962883eed11183f82c58040367b3a9353d", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: devdependencies [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling pnet v0.34.0 [INFO] [stderr] Checking pnet_base v0.34.0 [INFO] [stderr] Checking pnet_macros_support v0.34.0 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking pnet_sys v0.34.0 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Checking ipnetwork v0.20.0 [INFO] [stderr] Checking pnet_datalink v0.34.0 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling pnet_macros v0.34.0 [INFO] [stderr] Checking pnet_packet v0.34.0 [INFO] [stderr] Checking pnet_transport v0.34.0 [INFO] [stderr] Checking toytcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::tcpflags` [INFO] [stdout] --> 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: `std::collections::VecDeque` [INFO] [stdout] --> 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] --> src/socket.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::time::SystemTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLockWriteGuard` [INFO] [stdout] --> src/tcp.rs:11:46 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::{Arc, Condvar, Mutex, RwLock, RwLockWriteGuard}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration` and `SystemTime` [INFO] [stdout] --> src/tcp.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp` and `thread` [INFO] [stdout] --> src/tcp.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | use std::{cmp, ops::Range, str, thread}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tcpflags` [INFO] [stdout] --> 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: `std::collections::VecDeque` [INFO] [stdout] --> 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] --> src/socket.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::time::SystemTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLockWriteGuard` [INFO] [stdout] --> src/tcp.rs:11:46 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::{Arc, Condvar, Mutex, RwLock, RwLockWriteGuard}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration` and `SystemTime` [INFO] [stdout] --> src/tcp.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp` and `thread` [INFO] [stdout] --> src/tcp.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | use std::{cmp, ops::Range, str, thread}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tail` is never read [INFO] [stdout] --> src/socket.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 126 | pub struct RecvParam { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | pub tail: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RecvParam` has derived impls for the traits `Debug` and `Clone`, 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:135:5 [INFO] [stdout] | [INFO] [stdout] 134 | pub enum TcpStatus { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 135 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 139 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 140 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 141 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 142 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 143 | 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: constant `MAX_TRANSMITTION` is never used [INFO] [stdout] --> src/tcp.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const MAX_TRANSMITTION: u8 = 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RETRANSMITTION_TIMEOUT` is never used [INFO] [stdout] --> src/tcp.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | const RETRANSMITTION_TIMEOUT: u64 = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MSS` is never used [INFO] [stdout] --> src/tcp.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const MSS: usize = 1460; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tail` is never read [INFO] [stdout] --> src/socket.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 126 | pub struct RecvParam { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | pub tail: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RecvParam` has derived impls for the traits `Debug` and `Clone`, 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:135:5 [INFO] [stdout] | [INFO] [stdout] 134 | pub enum TcpStatus { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 135 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 139 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 140 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 141 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 142 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 143 | 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: constant `MAX_TRANSMITTION` is never used [INFO] [stdout] --> src/tcp.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const MAX_TRANSMITTION: u8 = 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RETRANSMITTION_TIMEOUT` is never used [INFO] [stdout] --> src/tcp.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | const RETRANSMITTION_TIMEOUT: u64 = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MSS` is never used [INFO] [stdout] --> src/tcp.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const MSS: usize = 1460; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `io` and `str` [INFO] [stdout] --> 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.15s [INFO] running `Command { std: "docker" "inspect" "a5ecabc9d89acd2b4a9a499765b743962883eed11183f82c58040367b3a9353d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5ecabc9d89acd2b4a9a499765b743962883eed11183f82c58040367b3a9353d", kill_on_drop: false }` [INFO] [stdout] a5ecabc9d89acd2b4a9a499765b743962883eed11183f82c58040367b3a9353d