[INFO] cloning repository https://github.com/krxi/trust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krxi/trust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrxi%2Ftrust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrxi%2Ftrust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0a389e5e33564c053be5c47000ac04306e6a5d95 [INFO] checking krxi/trust against master#2c0f4860cc86e2354a55ea04e738848168435c90 for pr-149145 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrxi%2Ftrust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/krxi/trust [INFO] finished tweaking git repo https://github.com/krxi/trust [INFO] tweaked toml for git repo https://github.com/krxi/trust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/krxi/trust on toolchain 2c0f4860cc86e2354a55ea04e738848168435c90 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/krxi/trust 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" "+2c0f4860cc86e2354a55ea04e738848168435c90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-core v0.1.18 [INFO] [stderr] Downloaded scoped-tls v0.1.2 [INFO] [stderr] Downloaded tokio-fs v0.1.7 [INFO] [stderr] Downloaded memoffset v0.5.6 [INFO] [stderr] Downloaded tokio-codec v0.1.2 [INFO] [stderr] Downloaded cc v1.2.45 [INFO] [stderr] Downloaded mio v0.6.23 [INFO] [stderr] Downloaded crossbeam-deque v0.7.4 [INFO] [stderr] Downloaded tokio-threadpool v0.1.18 [INFO] [stderr] Downloaded tokio-udp v0.1.6 [INFO] [stderr] Downloaded mio-uds v0.6.8 [INFO] [stderr] Downloaded tokio-uds v0.2.7 [INFO] [stderr] Downloaded miow v0.2.2 [INFO] [stderr] Downloaded net2 v0.2.39 [INFO] [stderr] Downloaded smallvec v0.6.14 [INFO] [stderr] Downloaded tokio-io v0.1.13 [INFO] [stderr] Downloaded tokio-sync v0.1.8 [INFO] [stderr] Downloaded tokio-reactor v0.1.12 [INFO] [stderr] Downloaded tun-tap v0.1.4 [INFO] [stderr] Downloaded tokio-current-thread v0.1.7 [INFO] [stderr] Downloaded tokio-tcp v0.1.4 [INFO] [stderr] Downloaded parking_lot_core v0.6.3 [INFO] [stderr] Downloaded etherparse v0.18.2 [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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd2a5c723dd0b45712793211b8776456118c030580f5b267dd27f58a3525236d [INFO] running `Command { std: "docker" "start" "-a" "bd2a5c723dd0b45712793211b8776456118c030580f5b267dd27f58a3525236d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd2a5c723dd0b45712793211b8776456118c030580f5b267dd27f58a3525236d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd2a5c723dd0b45712793211b8776456118c030580f5b267dd27f58a3525236d", kill_on_drop: false }` [INFO] [stdout] bd2a5c723dd0b45712793211b8776456118c030580f5b267dd27f58a3525236d [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=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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21ed535d49e410b5950a6476589db06a111dd1075a27a107a21d5bce76422205 [INFO] running `Command { std: "docker" "start" "-a" "21ed535d49e410b5950a6476589db06a111dd1075a27a107a21d5bce76422205", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling cc v1.2.45 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking etherparse v0.18.2 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tun-tap v0.1.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking trust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TcpHeader` [INFO] [stdout] --> src/main.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use etherparse::{Ipv4HeaderSlice, TcpHeader, TcpHeaderSlice}; [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: `tun_tap::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tun_tap::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `net::Ipv4Addr` [INFO] [stdout] --> src/tcp.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{io, net::Ipv4Addr}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ipv4Header` [INFO] [stdout] --> src/tcp.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use etherparse::{Ipv4Header, Ipv4HeaderSlice, TcpHeader, TcpHeaderSlice, ip_number::TCP}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 28 | / loop { [INFO] [stdout] 29 | | let bytes = nic.recv(&mut buf[..])?; // the func needed with mut buf |--| pub fn recv(&self, buf: &mut [u8]) -> Result src/tcp.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:40:27 [INFO] [stdout] | [INFO] [stdout] 40 | ... if let Ok(mut ipv4_header) = etherparse::Ipv4Header::new(tcp_packet.header_len_u16(), 64, TCP, iph.destination(),iph.source()) { [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: unused variable: `nic` [INFO] [stdout] --> src/tcp.rs:21:36 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn on_packet<'a>(&mut self,nic: &mut Iface,iph: Ipv4HeaderSlice<'a>, tcph: TcpHeaderSlice, data: &'a [u8]) -> io::Result [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let a = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let b = 4; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flags` [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let flags = i16::from_be_bytes([buf[0], buf[1]]); // Takes the first 2 bytes in bytes array and converts to integer ( decimal ) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Closed`, `SynRcvd`, `SynSent`, and `Estab` are never constructed [INFO] [stdout] --> src/tcp.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum State { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 7 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 8 | Listen, [INFO] [stdout] 9 | SynRcvd, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 10 | SynSent, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | Estab [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | ipv4_header.write(&mut unwritten); // TO UNDERSTAND [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = ipv4_header.write(&mut unwritten); // TO UNDERSTAND [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpHeader` [INFO] [stdout] --> src/main.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use etherparse::{Ipv4HeaderSlice, TcpHeader, TcpHeaderSlice}; [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: `tun_tap::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tun_tap::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `net::Ipv4Addr` [INFO] [stdout] --> src/tcp.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{io, net::Ipv4Addr}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ipv4Header` [INFO] [stdout] --> src/tcp.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use etherparse::{Ipv4Header, Ipv4HeaderSlice, TcpHeader, TcpHeaderSlice, ip_number::TCP}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 28 | / loop { [INFO] [stdout] 29 | | let bytes = nic.recv(&mut buf[..])?; // the func needed with mut buf |--| pub fn recv(&self, buf: &mut [u8]) -> Result src/tcp.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:40:27 [INFO] [stdout] | [INFO] [stdout] 40 | ... if let Ok(mut ipv4_header) = etherparse::Ipv4Header::new(tcp_packet.header_len_u16(), 64, TCP, iph.destination(),iph.source()) { [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: unused variable: `nic` [INFO] [stdout] --> src/tcp.rs:21:36 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn on_packet<'a>(&mut self,nic: &mut Iface,iph: Ipv4HeaderSlice<'a>, tcph: TcpHeaderSlice, data: &'a [u8]) -> io::Result [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let a = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let b = 4; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flags` [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let flags = i16::from_be_bytes([buf[0], buf[1]]); // Takes the first 2 bytes in bytes array and converts to integer ( decimal ) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Closed`, `SynRcvd`, `SynSent`, and `Estab` are never constructed [INFO] [stdout] --> src/tcp.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum State { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 7 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 8 | Listen, [INFO] [stdout] 9 | SynRcvd, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 10 | SynSent, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | Estab [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | ipv4_header.write(&mut unwritten); // TO UNDERSTAND [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = ipv4_header.write(&mut unwritten); // TO UNDERSTAND [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.73s [INFO] running `Command { std: "docker" "inspect" "21ed535d49e410b5950a6476589db06a111dd1075a27a107a21d5bce76422205", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21ed535d49e410b5950a6476589db06a111dd1075a27a107a21d5bce76422205", kill_on_drop: false }` [INFO] [stdout] 21ed535d49e410b5950a6476589db06a111dd1075a27a107a21d5bce76422205