[INFO] cloning repository https://github.com/CrabBucket/EchoCLI [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrabBucket/EchoCLI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrabBucket%2FEchoCLI", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrabBucket%2FEchoCLI'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 485047ae019605f04c00eb67e69718d283a24754 [INFO] testing CrabBucket/EchoCLI against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrabBucket%2FEchoCLI" "/workspace/builds/worker-87/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CrabBucket/EchoCLI on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CrabBucket/EchoCLI [INFO] finished tweaking git repo https://github.com/CrabBucket/EchoCLI [INFO] tweaked toml for git repo https://github.com/CrabBucket/EchoCLI written to /workspace/builds/worker-87/source/Cargo.toml [INFO] crate git repo https://github.com/CrabBucket/EchoCLI already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be9d0176805523d3d2ca7eeb2ca7d6d9c0c9023997ad1ddd2a5dec4a3a477561 [INFO] running `Command { std: "docker" "start" "-a" "be9d0176805523d3d2ca7eeb2ca7d6d9c0c9023997ad1ddd2a5dec4a3a477561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be9d0176805523d3d2ca7eeb2ca7d6d9c0c9023997ad1ddd2a5dec4a3a477561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be9d0176805523d3d2ca7eeb2ca7d6d9c0c9023997ad1ddd2a5dec4a3a477561", kill_on_drop: false }` [INFO] [stdout] be9d0176805523d3d2ca7eeb2ca7d6d9c0c9023997ad1ddd2a5dec4a3a477561 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 368c94c270b2c07ed6870ab8d8a9b48c3274d0b326fcc6b4919b728d7cccb98a [INFO] running `Command { std: "docker" "start" "-a" "368c94c270b2c07ed6870ab8d8a9b48c3274d0b326fcc6b4919b728d7cccb98a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling ux v0.1.3 [INFO] [stderr] Compiling echo_cli v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ipv6Addr` [INFO] [stdout] --> src/network.rs:7:25 [INFO] [stdout] | [INFO] [stdout] 7 | use std::net::{Ipv4Addr,Ipv6Addr}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ui::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ui::*; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `vec` [INFO] [stdout] --> src/main.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{vec}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/network.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | let mut iphead = IPv4Header::new(Ipv4Addr::new(127,0,0,1),Ipv4Addr::new(127,0,0,1)); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/network.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | let mut iphead2 = IPv4Header::new(Ipv4Addr::new(127,0,0,1),Ipv4Addr::new(127,0,0,1)); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Conclusion` [INFO] [stdout] --> src/ui.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Conclusion { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TTL` [INFO] [stdout] --> src/ui.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | TTL, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `FlagType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Interval` [INFO] [stdout] --> src/ui.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | Interval, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `FlagType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Count` [INFO] [stdout] --> src/ui.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Count, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `FlagType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `flag_type` [INFO] [stdout] --> src/ui.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | flag_type: FlagType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Flag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `raw_value` [INFO] [stdout] --> src/ui.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | raw_value: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Flag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/ui.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn new(strarg: String) -> Flag{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `flag_type_from_string` [INFO] [stdout] --> src/ui.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | fn flag_type_from_string(str_flag: String) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_flags` [INFO] [stdout] --> src/ui.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn get_flags() -> Vec::{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `arg_count` [INFO] [stdout] --> src/ui.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn arg_count() -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `check_correct_args` [INFO] [stdout] --> src/ui.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn check_correct_args() -> Conclusion { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ICMPHeader` [INFO] [stdout] --> src/network.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | struct ICMPHeader { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.90s [INFO] running `Command { std: "docker" "inspect" "368c94c270b2c07ed6870ab8d8a9b48c3274d0b326fcc6b4919b728d7cccb98a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "368c94c270b2c07ed6870ab8d8a9b48c3274d0b326fcc6b4919b728d7cccb98a", kill_on_drop: false }` [INFO] [stdout] 368c94c270b2c07ed6870ab8d8a9b48c3274d0b326fcc6b4919b728d7cccb98a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bcb5b77d89862951448e2fcef95703d36e4dca567ff928ee0cc06fa72a895851 [INFO] running `Command { std: "docker" "start" "-a" "bcb5b77d89862951448e2fcef95703d36e4dca567ff928ee0cc06fa72a895851", kill_on_drop: false }` [INFO] [stderr] Compiling echo_cli v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ipv6Addr` [INFO] [stdout] --> src/network.rs:7:25 [INFO] [stdout] | [INFO] [stdout] 7 | use std::net::{Ipv4Addr,Ipv6Addr}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ui::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ui::*; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `vec` [INFO] [stdout] --> src/main.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{vec}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/network.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | let mut iphead = IPv4Header::new(Ipv4Addr::new(127,0,0,1),Ipv4Addr::new(127,0,0,1)); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/network.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | let mut iphead2 = IPv4Header::new(Ipv4Addr::new(127,0,0,1),Ipv4Addr::new(127,0,0,1)); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Conclusion` [INFO] [stdout] --> src/ui.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Conclusion { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TTL` [INFO] [stdout] --> src/ui.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | TTL, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `FlagType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Interval` [INFO] [stdout] --> src/ui.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | Interval, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `FlagType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Count` [INFO] [stdout] --> src/ui.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Count, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `FlagType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `flag_type` [INFO] [stdout] --> src/ui.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | flag_type: FlagType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Flag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `raw_value` [INFO] [stdout] --> src/ui.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | raw_value: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Flag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/ui.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/ui.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn new(strarg: String) -> Flag{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `flag_type_from_string` [INFO] [stdout] --> src/ui.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | fn flag_type_from_string(str_flag: String) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_flags` [INFO] [stdout] --> src/ui.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn get_flags() -> Vec::{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `arg_count` [INFO] [stdout] --> src/ui.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn arg_count() -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `check_correct_args` [INFO] [stdout] --> src/ui.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn check_correct_args() -> Conclusion { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ICMPHeader` [INFO] [stdout] --> src/network.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | struct ICMPHeader { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "bcb5b77d89862951448e2fcef95703d36e4dca567ff928ee0cc06fa72a895851", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcb5b77d89862951448e2fcef95703d36e4dca567ff928ee0cc06fa72a895851", kill_on_drop: false }` [INFO] [stdout] bcb5b77d89862951448e2fcef95703d36e4dca567ff928ee0cc06fa72a895851 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e102b10fd05eb2e06a2c2e0887210a99c38f053e2ff1596d39a2f01da9cd5da1 [INFO] running `Command { std: "docker" "start" "-a" "e102b10fd05eb2e06a2c2e0887210a99c38f053e2ff1596d39a2f01da9cd5da1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `Ipv6Addr` [INFO] [stderr] --> src/network.rs:7:25 [INFO] [stderr] | [INFO] [stderr] 7 | use std::net::{Ipv4Addr,Ipv6Addr}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `ui::*` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use ui::*; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `vec` [INFO] [stderr] --> src/main.rs:4:11 [INFO] [stderr] | [INFO] [stderr] 4 | use std::{vec}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/network.rs:152:9 [INFO] [stderr] | [INFO] [stderr] 152 | let mut iphead = IPv4Header::new(Ipv4Addr::new(127,0,0,1),Ipv4Addr::new(127,0,0,1)); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/network.rs:153:9 [INFO] [stderr] | [INFO] [stderr] 153 | let mut iphead2 = IPv4Header::new(Ipv4Addr::new(127,0,0,1),Ipv4Addr::new(127,0,0,1)); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Conclusion` [INFO] [stderr] --> src/ui.rs:4:10 [INFO] [stderr] | [INFO] [stderr] 4 | pub enum Conclusion { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `TTL` [INFO] [stderr] --> src/ui.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | TTL, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `FlagType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/ui.rs:9:10 [INFO] [stderr] | [INFO] [stderr] 9 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Interval` [INFO] [stderr] --> src/ui.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Interval, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `FlagType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/ui.rs:9:10 [INFO] [stderr] | [INFO] [stderr] 9 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Count` [INFO] [stderr] --> src/ui.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Count, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `FlagType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/ui.rs:9:10 [INFO] [stderr] | [INFO] [stderr] 9 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `flag_type` [INFO] [stderr] --> src/ui.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | flag_type: FlagType, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Flag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/ui.rs:16:10 [INFO] [stderr] | [INFO] [stderr] 16 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `raw_value` [INFO] [stderr] --> src/ui.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | raw_value: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Flag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/ui.rs:16:10 [INFO] [stderr] | [INFO] [stderr] 16 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/ui.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn new(strarg: String) -> Flag{ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `flag_type_from_string` [INFO] [stderr] --> src/ui.rs:37:8 [INFO] [stderr] | [INFO] [stderr] 37 | fn flag_type_from_string(str_flag: String) -> Result{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_flags` [INFO] [stderr] --> src/ui.rs:52:8 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn get_flags() -> Vec::{ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `arg_count` [INFO] [stderr] --> src/ui.rs:62:8 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn arg_count() -> i32 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `check_correct_args` [INFO] [stderr] --> src/ui.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn check_correct_args() -> Conclusion { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ICMPHeader` [INFO] [stderr] --> src/network.rs:143:8 [INFO] [stderr] | [INFO] [stderr] 143 | struct ICMPHeader { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `echo_cli` (bin "echo_cli" test) generated 17 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.24s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/echo_cli-bd9e8e09d662f514) [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" "e102b10fd05eb2e06a2c2e0887210a99c38f053e2ff1596d39a2f01da9cd5da1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e102b10fd05eb2e06a2c2e0887210a99c38f053e2ff1596d39a2f01da9cd5da1", kill_on_drop: false }` [INFO] [stdout] e102b10fd05eb2e06a2c2e0887210a99c38f053e2ff1596d39a2f01da9cd5da1