[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 try#173780a87744406b7489b28349c0176f14bb3881 for pr-135841 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffffclaypool%2Ftoytcp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fffclaypool/toytcp on toolchain 173780a87744406b7489b28349c0176f14bb3881 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "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-2-tc2/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" "+173780a87744406b7489b28349c0176f14bb3881" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: devdependencies [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aa225b3d2ed8d58b7ebacdaae836ab854b805faaf48ad6a3657687dc927ad93f [INFO] running `Command { std: "docker" "start" "-a" "aa225b3d2ed8d58b7ebacdaae836ab854b805faaf48ad6a3657687dc927ad93f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa225b3d2ed8d58b7ebacdaae836ab854b805faaf48ad6a3657687dc927ad93f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa225b3d2ed8d58b7ebacdaae836ab854b805faaf48ad6a3657687dc927ad93f", kill_on_drop: false }` [INFO] [stdout] aa225b3d2ed8d58b7ebacdaae836ab854b805faaf48ad6a3657687dc927ad93f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb14c33448434228822b5a001e972eacde516b1417db1a3f56e67cd021b857e1 [INFO] running `Command { std: "docker" "start" "-a" "bb14c33448434228822b5a001e972eacde516b1417db1a3f56e67cd021b857e1", 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 unicode-ident v1.0.12 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling pnet v0.34.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking pnet_base v0.34.0 [INFO] [stderr] Checking pnet_macros_support v0.34.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking pnet_sys v0.34.0 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling syn v2.0.39 [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 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 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: `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: 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] [stderr] error: could not compile `toytcp` (example "echoclient"); 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/173780a87744406b7489b28349c0176f14bb3881/bin/rustc --crate-name echoclient --edition=2021 examples/echoclient.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=1b8f2aa211131aef -C extra-filename=-e3faf471a8373d9f --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-54547397bdb2ad86.rmeta --extern pnet=/opt/rustwide/target/debug/deps/libpnet-9012a24b5ef207d0.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-28febc84f46a78de.rmeta --extern toytcp=/opt/rustwide/target/debug/deps/libtoytcp-2b0b01fe21104732.rmeta --cap-lints=forbid` (exit status: 0) [INFO] running `Command { std: "docker" "inspect" "bb14c33448434228822b5a001e972eacde516b1417db1a3f56e67cd021b857e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb14c33448434228822b5a001e972eacde516b1417db1a3f56e67cd021b857e1", kill_on_drop: false }` [INFO] [stdout] bb14c33448434228822b5a001e972eacde516b1417db1a3f56e67cd021b857e1