[INFO] cloning repository https://github.com/floom4/blair_switch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/floom4/blair_switch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloom4%2Fblair_switch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloom4%2Fblair_switch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bde8c623ab74520b5f7043d507e9415335e666ac
[INFO] checking floom4/blair_switch against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloom4%2Fblair_switch" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/floom4/blair_switch
[INFO] finished tweaking git repo https://github.com/floom4/blair_switch
[INFO] tweaked toml for git repo https://github.com/floom4/blair_switch written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/floom4/blair_switch on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/floom4/blair_switch 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `blair_switch` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc1/source/target/.../blair_switch
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `blair-switch`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 - name = "blair_switch"
[INFO] [stderr] 11 + name = "blair-switch"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `blair-switch`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 ~ version = "0.1.0"
[INFO] [stderr] 13 + [[bin]]
[INFO] [stderr] 14 + name = "blair-switch"
[INFO] [stderr] 15 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `blair_switch` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline v17.0.0
[INFO] [stderr]   Downloaded macaddr v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4f752623757d5fcdc39d174df08c99b37ae0ca0dc1294956131b81749750c66d
[INFO] running `Command { std: "docker" "start" "4f752623757d5fcdc39d174df08c99b37ae0ca0dc1294956131b81749750c66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f752623757d5fcdc39d174df08c99b37ae0ca0dc1294956131b81749750c66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f752623757d5fcdc39d174df08c99b37ae0ca0dc1294956131b81749750c66d" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f752623757d5fcdc39d174df08c99b37ae0ca0dc1294956131b81749750c66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f752623757d5fcdc39d174df08c99b37ae0ca0dc1294956131b81749750c66d" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `blair_switch` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../blair_switch
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `blair-switch`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 - name = "blair_switch"
[INFO] [stderr] 11 + name = "blair-switch"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `blair-switch`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 ~ version = "0.1.0"
[INFO] [stderr] 13 + [[bin]]
[INFO] [stderr] 14 + name = "blair-switch"
[INFO] [stderr] 15 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `blair_switch` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking bitflags v2.9.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking rustyline v17.0.0
[INFO] [stderr]     Checking blair_switch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ffi`
[INFO] [stdout]  --> src/network/interface.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ffi, fmt, io, mem};
[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: `std::ptr`
[INFO] [stdout]  --> src/network/interface.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `recv`
[INFO] [stdout]   --> src/network/interface.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   recv,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `SystemTime`
[INFO] [stdout]  --> src/fib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ffi`
[INFO] [stdout]  --> src/network/interface.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ffi, fmt, io, mem};
[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: `std::ptr`
[INFO] [stdout]  --> src/network/interface.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `recv`
[INFO] [stdout]   --> src/network/interface.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   recv,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `SystemTime`
[INFO] [stdout]  --> src/fib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/interface.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut ctrl_msg : Vec<u8> = unsafe { vec![0; libc::CMSG_SPACE(500) as usize] };
[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/network/interface.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut ctrl_msg : Vec<u8> = unsafe { vec![0; libc::CMSG_SPACE(500) as usize] };
[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: `config`
[INFO] [stdout]   --> src/cli/commands.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     handler: | _, _, _, _, config, _ | {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/cli/commands.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |     handler: | _, _, _, _, config, _args | {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/cli/commands.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     handler: | _, _, _, _, config, _ | {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/cli/commands.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |     handler: | _, _, _, _, config, _args | {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/cli/commands.rs:134:36
[INFO] [stdout]     |
[INFO] [stdout] 134 |     handler: | _, _, _, curr_intf, config, _ | {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/cli/commands.rs:134:36
[INFO] [stdout]     |
[INFO] [stdout] 134 |     handler: | _, _, _, curr_intf, config, _ | {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `config_to_str` is never used
[INFO] [stdout]   --> src/cli/shell.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn config_to_str(config: &HashMap<CliMode, HashSet<String>>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn build(interfaces_name: &[String]) -> io::Result<Switch> {
[INFO] [stdout]    |                                 ^^^^^^^^^                ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn build(interfaces_name: &[String]) -> io::Result<Switch<'_>> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `config_to_str` is never used
[INFO] [stdout]   --> src/cli/shell.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn config_to_str(config: &HashMap<CliMode, HashSet<String>>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn build(interfaces_name: &[String]) -> io::Result<Switch> {
[INFO] [stdout]    |                                 ^^^^^^^^^                ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn build(interfaces_name: &[String]) -> io::Result<Switch<'_>> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/network/interface.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |   pub fn init(name: &str, tx: Sender<IntfCmd>) -> io::Result<Interface> {
[INFO] [stdout]    |                     ^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |   pub fn init(name: &str, tx: Sender<IntfCmd>) -> io::Result<Interface<'_>> {
[INFO] [stdout]    |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/network/interface.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |   pub fn init(name: &str, tx: Sender<IntfCmd>) -> io::Result<Interface> {
[INFO] [stdout]    |                     ^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |   pub fn init(name: &str, tx: Sender<IntfCmd>) -> io::Result<Interface<'_>> {
[INFO] [stdout]    |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.69s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "4f752623757d5fcdc39d174df08c99b37ae0ca0dc1294956131b81749750c66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f752623757d5fcdc39d174df08c99b37ae0ca0dc1294956131b81749750c66d", kill_on_drop: false }`
[INFO] [stdout] 4f752623757d5fcdc39d174df08c99b37ae0ca0dc1294956131b81749750c66d
