[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-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayasshi%2Frust-tcp-book" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-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 anyhow v1.0.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ae0f6a083b52875d10c03047fcb9ac3c4b2a06c0b23aec6242558db6602fc328
[INFO] running `Command { std: "docker" "start" "-a" "ae0f6a083b52875d10c03047fcb9ac3c4b2a06c0b23aec6242558db6602fc328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae0f6a083b52875d10c03047fcb9ac3c4b2a06c0b23aec6242558db6602fc328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0f6a083b52875d10c03047fcb9ac3c4b2a06c0b23aec6242558db6602fc328", kill_on_drop: false }`
[INFO] [stdout] ae0f6a083b52875d10c03047fcb9ac3c4b2a06c0b23aec6242558db6602fc328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f54d53c7fdf68294f845c82956a9aadfc5928258b4d6de174e8599ed341a56c1
[INFO] running `Command { std: "docker" "start" "-a" "f54d53c7fdf68294f845c82956a9aadfc5928258b4d6de174e8599ed341a56c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cfg-if v0.1.10
[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 term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[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 pnet_base v0.27.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling echoserver v0.1.0 (/opt/rustwide/workdir/echoserver)
[INFO] [stderr]    Compiling pnet_macros_support v0.27.2
[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 rand_chacha v0.3.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling regex v1.4.2
[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 9.11s
[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" "f54d53c7fdf68294f845c82956a9aadfc5928258b4d6de174e8599ed341a56c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54d53c7fdf68294f845c82956a9aadfc5928258b4d6de174e8599ed341a56c1", kill_on_drop: false }`
[INFO] [stdout] f54d53c7fdf68294f845c82956a9aadfc5928258b4d6de174e8599ed341a56c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8e3990c120ec97f18e1e5faa663e16c2d188ae214bc4997b4c53dababa0156d8
[INFO] running `Command { std: "docker" "start" "-a" "8e3990c120ec97f18e1e5faa663e16c2d188ae214bc4997b4c53dababa0156d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.18.0
[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 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 2.71s
[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" "8e3990c120ec97f18e1e5faa663e16c2d188ae214bc4997b4c53dababa0156d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3990c120ec97f18e1e5faa663e16c2d188ae214bc4997b4c53dababa0156d8", kill_on_drop: false }`
[INFO] [stdout] 8e3990c120ec97f18e1e5faa663e16c2d188ae214bc4997b4c53dababa0156d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f903d040d2cf138f6ef29046779fb1404d1c7c9b61433926740c75a49722d573
[INFO] running `Command { std: "docker" "start" "-a" "f903d040d2cf138f6ef29046779fb1404d1c7c9b61433926740c75a49722d573", 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 0.02s
[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] [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" "f903d040d2cf138f6ef29046779fb1404d1c7c9b61433926740c75a49722d573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f903d040d2cf138f6ef29046779fb1404d1c7c9b61433926740c75a49722d573", kill_on_drop: false }`
[INFO] [stdout] f903d040d2cf138f6ef29046779fb1404d1c7c9b61433926740c75a49722d573
[INFO] testing hayasshi/rust-tcp-book against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayasshi%2Frust-tcp-book" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hayasshi/rust-tcp-book on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-3-tc2/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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed183072d2f35a7a67d5f5097f7195611a87da94eb2846a2cda41f08cd1afef
[INFO] running `Command { std: "docker" "start" "-a" "3ed183072d2f35a7a67d5f5097f7195611a87da94eb2846a2cda41f08cd1afef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed183072d2f35a7a67d5f5097f7195611a87da94eb2846a2cda41f08cd1afef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed183072d2f35a7a67d5f5097f7195611a87da94eb2846a2cda41f08cd1afef", kill_on_drop: false }`
[INFO] [stdout] 3ed183072d2f35a7a67d5f5097f7195611a87da94eb2846a2cda41f08cd1afef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba298c8dd6127c0985f15d7d05861822a7eacaadc34c0a2322e98ac8c02145d2
[INFO] running `Command { std: "docker" "start" "-a" "ba298c8dd6127c0985f15d7d05861822a7eacaadc34c0a2322e98ac8c02145d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling memchr v2.3.4
[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 glob v0.2.11
[INFO] [stderr]    Compiling pnet_base v0.27.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]    Compiling echoserver v0.1.0 (/opt/rustwide/workdir/echoserver)
[INFO] [stderr]    Compiling pnet_macros_support v0.27.2
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ba298c8dd6127c0985f15d7d05861822a7eacaadc34c0a2322e98ac8c02145d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba298c8dd6127c0985f15d7d05861822a7eacaadc34c0a2322e98ac8c02145d2", kill_on_drop: false }`
[INFO] [stdout] ba298c8dd6127c0985f15d7d05861822a7eacaadc34c0a2322e98ac8c02145d2
