[INFO] fetching crate libvirt 0.1.0...
[INFO] checking libvirt-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate libvirt 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libvirt 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libvirt 0.1.0
[INFO] removed path dependency libvirt-sys from crates.io crate libvirt 0.1.0
[INFO] finished tweaking crates.io crate libvirt 0.1.0
[INFO] tweaked toml for crates.io crate libvirt 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libvirt-sys v1.2.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5123015464bd4b4953d7052870e4bba0a2e9cb7f6ed665157c54492c04b00934
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5123015464bd4b4953d7052870e4bba0a2e9cb7f6ed665157c54492c04b00934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5123015464bd4b4953d7052870e4bba0a2e9cb7f6ed665157c54492c04b00934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5123015464bd4b4953d7052870e4bba0a2e9cb7f6ed665157c54492c04b00934", kill_on_drop: false }`
[INFO] [stdout] 5123015464bd4b4953d7052870e4bba0a2e9cb7f6ed665157c54492c04b00934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 727a50f42844b7ba996bf0d7a7f32357359f481e1558be3314c93889494f9a8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "727a50f42844b7ba996bf0d7a7f32357359f481e1558be3314c93889494f9a8f", kill_on_drop: false }`
[INFO] [stderr]     Checking libvirt-sys v1.2.18
[INFO] [stderr]     Checking libvirt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `string`
[INFO] [stdout]  --> src/connection.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{string, ptr, mem, slice};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/node.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string`
[INFO] [stdout]  --> src/domain.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{string, ptr, mem};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node`
[INFO] [stdout]  --> src/domain.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use node;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ptr`, `string`
[INFO] [stdout]  --> src/interface.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{string, ptr};
[INFO] [stdout]   |           ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/network.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let out: *mut i32 = match val {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let mut ids = ptr::null_mut();
[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: unused import: `string`
[INFO] [stdout]  --> src/connection.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{string, ptr, mem, slice};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/node.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string`
[INFO] [stdout]  --> src/domain.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{string, ptr, mem};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node`
[INFO] [stdout]  --> src/domain.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use node;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ptr`, `string`
[INFO] [stdout]  --> src/interface.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{string, ptr};
[INFO] [stdout]   |           ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]   --> src/interface.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn create(self, flags: u32) -> Result<(), VirError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destroy`
[INFO] [stdout]   --> src/interface.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn destroy(self, flags: u32) -> Result<(), VirError> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_active`
[INFO] [stdout]   --> src/interface.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn is_active(self) -> Result<(), VirError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mac`
[INFO] [stdout]   --> src/interface.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mac(self) -> Result<String, VirError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/interface.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn name(self) -> Result<String, VirError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `xml_desc`
[INFO] [stdout]   --> src/interface.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn xml_desc(self, flags: u32) -> Result<String, VirError>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `undefine`
[INFO] [stdout]   --> src/interface.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn undefine(self) -> Result<(), VirError>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]   --> src/interface.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn free(self) -> Result<(), VirError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cUri` should have a snake case name
[INFO] [stdout]   --> src/connection.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let cUri = CString::new(uri).unwrap();
[INFO] [stdout]    |                 ^^^^ help: convert the identifier to snake case: `c_uri`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pDomain` should have a snake case name
[INFO] [stdout]    --> src/connection.rs:313:17
[INFO] [stdout]     |
[INFO] [stdout] 313 |             let pDomain = virt::virDomainCreateXML(self.conn, cxml.as_ptr(), flags);
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `p_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pDomain` should have a snake case name
[INFO] [stdout]    --> src/connection.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |             let pDomain = virt::virDomainDefineXML(self.conn, cxml.as_ptr());
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `p_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/network.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let out: *mut i32 = match val {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let mut ids = ptr::null_mut();
[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: associated function is never used: `create`
[INFO] [stdout]   --> src/interface.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn create(self, flags: u32) -> Result<(), VirError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destroy`
[INFO] [stdout]   --> src/interface.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn destroy(self, flags: u32) -> Result<(), VirError> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_active`
[INFO] [stdout]   --> src/interface.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn is_active(self) -> Result<(), VirError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mac`
[INFO] [stdout]   --> src/interface.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mac(self) -> Result<String, VirError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/interface.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn name(self) -> Result<String, VirError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `xml_desc`
[INFO] [stdout]   --> src/interface.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn xml_desc(self, flags: u32) -> Result<String, VirError>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `undefine`
[INFO] [stdout]   --> src/interface.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn undefine(self) -> Result<(), VirError>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]   --> src/interface.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn free(self) -> Result<(), VirError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cUri` should have a snake case name
[INFO] [stdout]   --> src/connection.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let cUri = CString::new(uri).unwrap();
[INFO] [stdout]    |                 ^^^^ help: convert the identifier to snake case: `c_uri`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pDomain` should have a snake case name
[INFO] [stdout]    --> src/connection.rs:313:17
[INFO] [stdout]     |
[INFO] [stdout] 313 |             let pDomain = virt::virDomainCreateXML(self.conn, cxml.as_ptr(), flags);
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `p_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pDomain` should have a snake case name
[INFO] [stdout]    --> src/connection.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |             let pDomain = virt::virDomainDefineXML(self.conn, cxml.as_ptr());
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `p_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "727a50f42844b7ba996bf0d7a7f32357359f481e1558be3314c93889494f9a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727a50f42844b7ba996bf0d7a7f32357359f481e1558be3314c93889494f9a8f", kill_on_drop: false }`
[INFO] [stdout] 727a50f42844b7ba996bf0d7a7f32357359f481e1558be3314c93889494f9a8f