[INFO] updating cached repository https://github.com/NavyD/linux-configuration
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c1a0ef82fbc1837c79cffdfa1f6df5ff88a48c2
[INFO] checking NavyD/linux-configuration against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Flinux-configuration" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NavyD/linux-configuration on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NavyD/linux-configuration
[INFO] finished tweaking git repo https://github.com/NavyD/linux-configuration
[INFO] tweaked toml for git repo https://github.com/NavyD/linux-configuration written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/NavyD/linux-configuration already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58d2d134deff21bb4ce64c6039e1c637c6dc9c8ac076bd9e19de65ee88885f8c
[INFO] running `Command { std: "docker" "start" "-a" "58d2d134deff21bb4ce64c6039e1c637c6dc9c8ac076bd9e19de65ee88885f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d2d134deff21bb4ce64c6039e1c637c6dc9c8ac076bd9e19de65ee88885f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d2d134deff21bb4ce64c6039e1c637c6dc9c8ac076bd9e19de65ee88885f8c", kill_on_drop: false }`
[INFO] [stdout] 58d2d134deff21bb4ce64c6039e1c637c6dc9c8ac076bd9e19de65ee88885f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8ac268199a96046be480f6f9233940ddfdf8e5a7458c6dd4d718778ab51fab2
[INFO] running `Command { std: "docker" "start" "-a" "c8ac268199a96046be480f6f9233940ddfdf8e5a7458c6dd4d718778ab51fab2", 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] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking lock_api v0.4.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking auto-configuration v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0170]: pattern binding `AptGet` is named the same as one of the variants of the type `PackageManager`
[INFO] [stdout]    --> src/main.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             AptGet => Command::new("sudo")
[INFO] [stdout]     |             ^^^^^^ help: to match on the variant, qualify the path: `PackageManager::AptGet`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `AptGet` is named the same as one of the variants of the type `PackageManager`
[INFO] [stdout]    --> src/main.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             AptGet => Command::new("apt-get")
[INFO] [stdout]     |             ^^^^^^ help: to match on the variant, qualify the path: `PackageManager::AptGet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/main.rs:150:26
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn commit(&self, path: &Path) -> io::Result<()> {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prepending`
[INFO] [stdout]    --> src/main.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let prepending = "libssl-dev pkg-config";
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prepending`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `commit_duration`
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     commit_duration: Duration,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `AptGet` is named the same as one of the variants of the type `PackageManager`
[INFO] [stdout]    --> src/main.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             AptGet => Command::new("sudo")
[INFO] [stdout]     |             ^^^^^^ help: to match on the variant, qualify the path: `PackageManager::AptGet`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec`
[INFO] [stdout]    --> src/main.rs:268:4
[INFO] [stdout]     |
[INFO] [stdout] 268 | fn exec(command: &str) -> io::Result<()> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RustProgram`
[INFO] [stdout]    --> src/main.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 | struct RustProgram {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `AptGet` is named the same as one of the variants of the type `PackageManager`
[INFO] [stdout]    --> src/main.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             AptGet => Command::new("apt-get")
[INFO] [stdout]     |             ^^^^^^ help: to match on the variant, qualify the path: `PackageManager::AptGet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `install`
[INFO] [stdout]    --> src/main.rs:326:12
[INFO] [stdout]     |
[INFO] [stdout] 326 |     pub fn install() {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `configurations`
[INFO] [stdout]    --> src/main.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 334 |     configurations: HashMap<PathBuf, RecursiveMode>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/main.rs:150:26
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn commit(&self, path: &Path) -> io::Result<()> {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AptGet` should have a snake case name
[INFO] [stdout]    --> src/main.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             AptGet => Command::new("sudo")
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `apt_get`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prepending`
[INFO] [stdout]    --> src/main.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let prepending = "libssl-dev pkg-config";
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prepending`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AptGet` should have a snake case name
[INFO] [stdout]    --> src/main.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             AptGet => Command::new("apt-get")
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `apt_get`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `commit_duration`
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     commit_duration: Duration,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec`
[INFO] [stdout]    --> src/main.rs:268:4
[INFO] [stdout]     |
[INFO] [stdout] 268 | fn exec(command: &str) -> io::Result<()> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RustProgram`
[INFO] [stdout]    --> src/main.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 | struct RustProgram {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `install`
[INFO] [stdout]    --> src/main.rs:326:12
[INFO] [stdout]     |
[INFO] [stdout] 326 |     pub fn install() {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `configurations`
[INFO] [stdout]    --> src/main.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 334 |     configurations: HashMap<PathBuf, RecursiveMode>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AptGet` should have a snake case name
[INFO] [stdout]    --> src/main.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             AptGet => Command::new("sudo")
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `apt_get`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AptGet` should have a snake case name
[INFO] [stdout]    --> src/main.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             AptGet => Command::new("apt-get")
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `apt_get`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "c8ac268199a96046be480f6f9233940ddfdf8e5a7458c6dd4d718778ab51fab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ac268199a96046be480f6f9233940ddfdf8e5a7458c6dd4d718778ab51fab2", kill_on_drop: false }`
[INFO] [stdout] c8ac268199a96046be480f6f9233940ddfdf8e5a7458c6dd4d718778ab51fab2