[INFO] cloning repository https://github.com/Pk-Kher/tcp-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pk-Kher/tcp-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPk-Kher%2Ftcp-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPk-Kher%2Ftcp-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84a0c3cfa3fb6babd9ffe7c7f1328de98a314f12
[INFO] testing Pk-Kher/tcp-in-rust against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPk-Kher%2Ftcp-in-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Pk-Kher/tcp-in-rust
[INFO] finished tweaking git repo https://github.com/Pk-Kher/tcp-in-rust
[INFO] tweaked toml for git repo https://github.com/Pk-Kher/tcp-in-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Pk-Kher/tcp-in-rust on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Pk-Kher/tcp-in-rust 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
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[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
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[INFO] [stderr]   Downloaded tokio v0.1.22
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[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
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[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8a6de47dc99653e620fc635bb98a7eede57c382c1339d148f53f6f439883779
[INFO] running `Command { std: "docker" "start" "-a" "e8a6de47dc99653e620fc635bb98a7eede57c382c1339d148f53f6f439883779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a6de47dc99653e620fc635bb98a7eede57c382c1339d148f53f6f439883779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a6de47dc99653e620fc635bb98a7eede57c382c1339d148f53f6f439883779", kill_on_drop: false }`
[INFO] [stdout] e8a6de47dc99653e620fc635bb98a7eede57c382c1339d148f53f6f439883779
[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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46f4fe19a32be706d1cf4574fc9cdaf1cf0ed2cd88e9902e8b1a946e697d9692
[INFO] running `Command { std: "docker" "start" "-a" "46f4fe19a32be706d1cf4574fc9cdaf1cf0ed2cd88e9902e8b1a946e697d9692", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling cc v1.2.48
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling etherparse v0.19.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tun-tap v0.1.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling tcp_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `any::Any`, `error::Error`, and `time::Duration`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::Any,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 3 |     collections::{HashMap, VecDeque, hash_map::Entry},
[INFO] [stdout] 4 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bits`
[INFO] [stdout]  --> src/tcp.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use bitflags::{Bits, bitflags};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `etherparse::err::tcp`
[INFO] [stdout]   --> src/tcp.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use etherparse::err::tcp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/tcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nacked`
[INFO] [stdout]    --> src/tcp.rs:460:25
[INFO] [stdout]     |
[INFO] [stdout] 460 |                     let nacked = self
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nacked`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         let mut cm=&mut *cmg;
[INFO] [stdout]    |                             ----^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut iface = Iface::without_packet_info("mytun", Mode::Tun)?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...   let mut buffer = vec![0u8; 1504]; // 1504 It comes from the maximum size of an IPv4/IPv6 packet plus a little extra padding t...
[INFO] [stdout]     |           ----^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/lib.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...   let mut buffer = vec![0u8; 1504]; // 1504 It comes from the maximum size of an IPv4/IPv6 packet plus a little extra padding t...
[INFO] [stdout]     |           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cm`
[INFO] [stdout]    --> src/lib.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let cm = self.h.manager.lock().unwrap();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]    --> src/tcp.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout]  96 | struct SendSequenceSpace {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 104 |     up: bool,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 105 |     ///segment sequence number used for last window update
[INFO] [stdout] 106 |     wl1: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 107 |     ///segment acknowledgment number used for last window update
[INFO] [stdout] 108 |     wl2: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]    --> src/tcp.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | struct ReceiveSequenceSpace {
[INFO] [stdout]     |        -------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 129 |     up: bool,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 130 |     ///initial receive sequence number
[INFO] [stdout] 131 |     irs: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.67s
[INFO] running `Command { std: "docker" "inspect" "46f4fe19a32be706d1cf4574fc9cdaf1cf0ed2cd88e9902e8b1a946e697d9692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f4fe19a32be706d1cf4574fc9cdaf1cf0ed2cd88e9902e8b1a946e697d9692", kill_on_drop: false }`
[INFO] [stdout] 46f4fe19a32be706d1cf4574fc9cdaf1cf0ed2cd88e9902e8b1a946e697d9692
[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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 410dd4183ab8f5a76f48231904b16922b3fa2afd94e1cfcce6d5830e3d27a923
[INFO] running `Command { std: "docker" "start" "-a" "410dd4183ab8f5a76f48231904b16922b3fa2afd94e1cfcce6d5830e3d27a923", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `any::Any`, `error::Error`, and `time::Duration`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::Any,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 3 |     collections::{HashMap, VecDeque, hash_map::Entry},
[INFO] [stdout] 4 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bits`
[INFO] [stdout]  --> src/tcp.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use bitflags::{Bits, bitflags};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `etherparse::err::tcp`
[INFO] [stdout]   --> src/tcp.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use etherparse::err::tcp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/tcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nacked`
[INFO] [stdout]    --> src/tcp.rs:460:25
[INFO] [stdout]     |
[INFO] [stdout] 460 |                     let nacked = self
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nacked`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         let mut cm=&mut *cmg;
[INFO] [stdout]    |                             ----^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut iface = Iface::without_packet_info("mytun", Mode::Tun)?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...   let mut buffer = vec![0u8; 1504]; // 1504 It comes from the maximum size of an IPv4/IPv6 packet plus a little extra padding t...
[INFO] [stdout]     |           ----^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/lib.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...   let mut buffer = vec![0u8; 1504]; // 1504 It comes from the maximum size of an IPv4/IPv6 packet plus a little extra padding t...
[INFO] [stdout]     |           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cm`
[INFO] [stdout]    --> src/lib.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let cm = self.h.manager.lock().unwrap();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]    --> src/tcp.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout]  96 | struct SendSequenceSpace {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 104 |     up: bool,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 105 |     ///segment sequence number used for last window update
[INFO] [stdout] 106 |     wl1: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 107 |     ///segment acknowledgment number used for last window update
[INFO] [stdout] 108 |     wl2: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tcp_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]    --> src/tcp.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | struct ReceiveSequenceSpace {
[INFO] [stdout]     |        -------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 129 |     up: bool,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 130 |     ///initial receive sequence number
[INFO] [stdout] 131 |     irs: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `any::Any`, `error::Error`, and `time::Duration`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::Any,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 3 |     collections::{HashMap, VecDeque, hash_map::Entry},
[INFO] [stdout] 4 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bits`
[INFO] [stdout]  --> src/tcp.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use bitflags::{Bits, bitflags};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `etherparse::err::tcp`
[INFO] [stdout]   --> src/tcp.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use etherparse::err::tcp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/tcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nacked`
[INFO] [stdout]    --> src/tcp.rs:460:25
[INFO] [stdout]     |
[INFO] [stdout] 460 |                     let nacked = self
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nacked`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         let mut cm=&mut *cmg;
[INFO] [stdout]    |                             ----^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut iface = Iface::without_packet_info("mytun", Mode::Tun)?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...   let mut buffer = vec![0u8; 1504]; // 1504 It comes from the maximum size of an IPv4/IPv6 packet plus a little extra padding t...
[INFO] [stdout]     |           ----^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/lib.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...   let mut buffer = vec![0u8; 1504]; // 1504 It comes from the maximum size of an IPv4/IPv6 packet plus a little extra padding t...
[INFO] [stdout]     |           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cm`
[INFO] [stdout]    --> src/lib.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let cm = self.h.manager.lock().unwrap();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]    --> src/tcp.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout]  96 | struct SendSequenceSpace {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 104 |     up: bool,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 105 |     ///segment sequence number used for last window update
[INFO] [stdout] 106 |     wl1: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 107 |     ///segment acknowledgment number used for last window update
[INFO] [stdout] 108 |     wl2: usize,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]    --> src/tcp.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | struct ReceiveSequenceSpace {
[INFO] [stdout]     |        -------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 129 |     up: bool,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 130 |     ///initial receive sequence number
[INFO] [stdout] 131 |     irs: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "410dd4183ab8f5a76f48231904b16922b3fa2afd94e1cfcce6d5830e3d27a923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410dd4183ab8f5a76f48231904b16922b3fa2afd94e1cfcce6d5830e3d27a923", kill_on_drop: false }`
[INFO] [stdout] 410dd4183ab8f5a76f48231904b16922b3fa2afd94e1cfcce6d5830e3d27a923
[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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1eb8865b34002c4d206ac3b41507fdfe5df7a9160f16fa26495e5c5b1a83d67a
[INFO] running `Command { std: "docker" "start" "-a" "1eb8865b34002c4d206ac3b41507fdfe5df7a9160f16fa26495e5c5b1a83d67a", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `any::Any`, `error::Error`, and `time::Duration`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     any::Any,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 3 |     collections::{HashMap, VecDeque, hash_map::Entry},
[INFO] [stderr] 4 |     error::Error,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     time::Duration,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Bits`
[INFO] [stderr]  --> src/tcp.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use bitflags::{Bits, bitflags};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `etherparse::err::tcp`
[INFO] [stderr]   --> src/tcp.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use etherparse::err::tcp;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]  --> src/tcp.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     error::Error,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nacked`
[INFO] [stderr]    --> src/tcp.rs:460:25
[INFO] [stderr]     |
[INFO] [stderr] 460 |                     let nacked = self
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nacked`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:93:29
[INFO] [stderr]    |
[INFO] [stderr] 93 |                         let mut cm=&mut *cmg;
[INFO] [stderr]    |                             ----^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let mut iface = Iface::without_packet_info("mytun", Mode::Tun)?;
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 | ...   let mut buffer = vec![0u8; 1504]; // 1504 It comes from the maximum size of an IPv4/IPv6 packet plus a little extra padding t...
[INFO] [stderr]     |           ----^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]    --> src/lib.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 | ...   let mut buffer = vec![0u8; 1504]; // 1504 It comes from the maximum size of an IPv4/IPv6 packet plus a little extra padding t...
[INFO] [stderr]     |           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cm`
[INFO] [stderr]    --> src/lib.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |         let cm = self.h.manager.lock().unwrap();
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cm`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stderr]    --> src/tcp.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr]  96 | struct SendSequenceSpace {
[INFO] [stderr]     |        ----------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 104 |     up: bool,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 105 |     ///segment sequence number used for last window update
[INFO] [stderr] 106 |     wl1: usize,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 107 |     ///segment acknowledgment number used for last window update
[INFO] [stderr] 108 |     wl2: usize,
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `up` and `irs` are never read
[INFO] [stderr]    --> src/tcp.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 123 | struct ReceiveSequenceSpace {
[INFO] [stderr]     |        -------------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 129 |     up: bool,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 130 |     ///initial receive sequence number
[INFO] [stderr] 131 |     irs: u32,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp_in_rust` (lib) generated 12 warnings (run `cargo fix --lib -p tcp_in_rust` to apply 9 suggestions)
[INFO] [stderr] warning: `tcp_in_rust` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tcp_in_rust-f2c064a763c9921f)
[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/main.rs (/opt/rustwide/target/debug/deps/tcp_in_rust-052e6afa6ca9de4d)
[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 tcp_in_rust
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/tcp.rs - tcp::ReceiveSequenceSpace (line 113) ... FAILED
[INFO] [stdout] test src/tcp.rs - tcp::SendSequenceSpace (line 86) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/tcp.rs - tcp::ReceiveSequenceSpace (line 113) stdout ----
[INFO] [stdout] error: expected item, found `1`
[INFO] [stdout]    --> src/tcp.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |                        1          2          3
[INFO] [stdout]     |                        ^ expected item
[INFO] [stdout]     |
[INFO] [stdout]     = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tcp.rs - tcp::SendSequenceSpace (line 86) stdout ----
[INFO] [stdout] error: expected item, found `1`
[INFO] [stdout]   --> src/tcp.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 |           1         2          3          4
[INFO] [stdout]    |           ^ expected item
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/tcp.rs - tcp::ReceiveSequenceSpace (line 113)
[INFO] [stdout]     src/tcp.rs - tcp::SendSequenceSpace (line 86)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1eb8865b34002c4d206ac3b41507fdfe5df7a9160f16fa26495e5c5b1a83d67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb8865b34002c4d206ac3b41507fdfe5df7a9160f16fa26495e5c5b1a83d67a", kill_on_drop: false }`
[INFO] [stdout] 1eb8865b34002c4d206ac3b41507fdfe5df7a9160f16fa26495e5c5b1a83d67a
