[INFO] fetching crate os_type 2.2.0...
[INFO] testing os_type-2.2.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate os_type 2.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate os_type 2.2.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate os_type 2.2.0
[INFO] finished tweaking crates.io crate os_type 2.2.0
[INFO] tweaked toml for crates.io crate os_type 2.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82ebe5336528fea3ca1aac55255a5cc55af74a2cae445d9aea79363acede6187
[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" "82ebe5336528fea3ca1aac55255a5cc55af74a2cae445d9aea79363acede6187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82ebe5336528fea3ca1aac55255a5cc55af74a2cae445d9aea79363acede6187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ebe5336528fea3ca1aac55255a5cc55af74a2cae445d9aea79363acede6187", kill_on_drop: false }`
[INFO] [stdout] 82ebe5336528fea3ca1aac55255a5cc55af74a2cae445d9aea79363acede6187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43d4d4d6063cf8974151aee6507ea9a920532de962d6f5dcb791a21220202714
[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" "43d4d4d6063cf8974151aee6507ea9a920532de962d6f5dcb791a21220202714", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling os_type v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/os_release.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WindowsVer`
[INFO] [stdout]  --> src/windows_ver.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct WindowsVer {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `retrieve`
[INFO] [stdout]  --> src/windows_ver.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn retrieve() -> Option<WindowsVer> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/windows_ver.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse(output: String) -> WindowsVer {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_os_x`
[INFO] [stdout]   --> src/sw_vers.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn is_os_x() -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.96s
[INFO] running `Command { std: "docker" "inspect" "43d4d4d6063cf8974151aee6507ea9a920532de962d6f5dcb791a21220202714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d4d4d6063cf8974151aee6507ea9a920532de962d6f5dcb791a21220202714", kill_on_drop: false }`
[INFO] [stdout] 43d4d4d6063cf8974151aee6507ea9a920532de962d6f5dcb791a21220202714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--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] 78cb3d84b665aa6a97793dee507c2369f0a81d78a039067e19e9f5a3974287b0
[INFO] running `Command { std: "docker" "start" "-a" "78cb3d84b665aa6a97793dee507c2369f0a81d78a039067e19e9f5a3974287b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_type v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/os_release.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WindowsVer`
[INFO] [stdout]  --> src/windows_ver.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct WindowsVer {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `retrieve`
[INFO] [stdout]  --> src/windows_ver.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn retrieve() -> Option<WindowsVer> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/windows_ver.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse(output: String) -> WindowsVer {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_os_x`
[INFO] [stdout]   --> src/sw_vers.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn is_os_x() -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `retrieve`
[INFO] [stdout]  --> tests/../src/lsb_release.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn retrieve() -> Option<LsbRelease> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_available`
[INFO] [stdout]   --> tests/../src/lsb_release.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn is_available() -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_exists`
[INFO] [stdout]  --> tests/../src/utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_os_x`
[INFO] [stdout]   --> tests/../src/sw_vers.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn is_os_x() -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `retrieve`
[INFO] [stdout]   --> tests/../src/sw_vers.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn retrieve() -> Option<SwVers> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_exists`
[INFO] [stdout]  --> tests/../src/utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> tests/../src/rhel_release.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn read_file(filename: &str) -> Result<String, Error> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `retrieve`
[INFO] [stdout]   --> tests/../src/rhel_release.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn retrieve() -> Option<RHELRelease> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_exists`
[INFO] [stdout]  --> tests/../src/utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WindowsVer`
[INFO] [stdout]  --> src/windows_ver.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct WindowsVer {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `retrieve`
[INFO] [stdout]  --> src/windows_ver.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn retrieve() -> Option<WindowsVer> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/windows_ver.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse(output: String) -> WindowsVer {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_os_x`
[INFO] [stdout]   --> src/sw_vers.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn is_os_x() -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "78cb3d84b665aa6a97793dee507c2369f0a81d78a039067e19e9f5a3974287b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cb3d84b665aa6a97793dee507c2369f0a81d78a039067e19e9f5a3974287b0", kill_on_drop: false }`
[INFO] [stdout] 78cb3d84b665aa6a97793dee507c2369f0a81d78a039067e19e9f5a3974287b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54146836ab48800f2951cbe4ef1003d7f00bd2f3c1cbfd8ff8b46fdeb788de93
[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" "54146836ab48800f2951cbe4ef1003d7f00bd2f3c1cbfd8ff8b46fdeb788de93", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/os_release.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WindowsVer`
[INFO] [stderr]  --> src/windows_ver.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct WindowsVer {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `retrieve`
[INFO] [stderr]  --> src/windows_ver.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn retrieve() -> Option<WindowsVer> {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]   --> src/windows_ver.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn parse(output: String) -> WindowsVer {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_os_x`
[INFO] [stderr]   --> src/sw_vers.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn is_os_x() -> bool {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WindowsVer`
[INFO] [stderr]  --> src/windows_ver.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct WindowsVer {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `retrieve`
[INFO] [stderr]  --> src/windows_ver.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn retrieve() -> Option<WindowsVer> {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]   --> src/windows_ver.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn parse(output: String) -> WindowsVer {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_os_x`
[INFO] [stderr]   --> src/sw_vers.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn is_os_x() -> bool {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `retrieve`
[INFO] [stderr]  --> tests/../src/lsb_release.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn retrieve() -> Option<LsbRelease> {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_available`
[INFO] [stderr]   --> tests/../src/lsb_release.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn is_available() -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file_exists`
[INFO] [stderr]  --> tests/../src/utils.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_file`
[INFO] [stderr]   --> tests/../src/rhel_release.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn read_file(filename: &str) -> Result<String, Error> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `retrieve`
[INFO] [stderr]   --> tests/../src/rhel_release.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn retrieve() -> Option<RHELRelease> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file_exists`
[INFO] [stderr]  --> tests/../src/utils.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_os_x`
[INFO] [stderr]   --> tests/../src/sw_vers.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn is_os_x() -> bool {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `retrieve`
[INFO] [stderr]   --> tests/../src/sw_vers.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn retrieve() -> Option<SwVers> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file_exists`
[INFO] [stderr]  --> tests/../src/utils.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/os_type-d0371293b1e36ab8
[INFO] [stdout] test os_release::tests::parse_ubuntu_18_04_os_release ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/centos_release_test-1eb098bca6bad790
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_parses_distribution ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lsb_release_test-bce7a59b95dbedb7
[INFO] [stdout] test test_parses_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_parses_opensuse_lsb_distro ... ok
[INFO] [stdout] test test_parses_lsb_distro ... ok
[INFO] [stdout] test test_parses_lsb_version ... ok
[INFO] [stdout] test test_parses_arch_lsb_distro ... ok
[INFO] [stdout] test test_parses_opensuse_lsb_version ... ok
[INFO] [stdout] test test_parses_manjaro_lsb_distro ... ok
[INFO] [stdout] test test_parses_arch_lsb_version ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sw_vers_test-ea09af857ee1ea08
[INFO] [stdout] test test_parses_manjaro_lsb_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test parses_product_name ... ok
[INFO] [stderr]    Doc-tests os_type
[INFO] [stdout] test parses_product_version ... ok
[INFO] [stdout] test parses_build_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - current_platform (line 173) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54146836ab48800f2951cbe4ef1003d7f00bd2f3c1cbfd8ff8b46fdeb788de93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54146836ab48800f2951cbe4ef1003d7f00bd2f3c1cbfd8ff8b46fdeb788de93", kill_on_drop: false }`
[INFO] [stdout] 54146836ab48800f2951cbe4ef1003d7f00bd2f3c1cbfd8ff8b46fdeb788de93