[INFO] fetching crate ifcfg 0.1.2...
[INFO] testing ifcfg-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate ifcfg 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ifcfg 0.1.2
[INFO] finished tweaking crates.io crate ifcfg 0.1.2
[INFO] tweaked toml for crates.io crate ifcfg 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ifcfg 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ifcfg 0.1.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded handlebars v0.29.1
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded syn v1.0.63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13ff46c6b2e3687685a1966c49538e12de094af591d495f543ce8089be7ddede
[INFO] running `Command { std: "docker" "start" "-a" "13ff46c6b2e3687685a1966c49538e12de094af591d495f543ce8089be7ddede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13ff46c6b2e3687685a1966c49538e12de094af591d495f543ce8089be7ddede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ff46c6b2e3687685a1966c49538e12de094af591d495f543ce8089be7ddede", kill_on_drop: false }`
[INFO] [stdout] 13ff46c6b2e3687685a1966c49538e12de094af591d495f543ce8089be7ddede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0ec8a3d4512609e4fabbbdae5049893c80f5f9da87fe6e27c9d554f0f67ad04
[INFO] running `Command { std: "docker" "start" "-a" "f0ec8a3d4512609e4fabbbdae5049893c80f5f9da87fe6e27c9d554f0f67ad04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling handlebars v0.29.1
[INFO] [stderr]    Compiling ifcfg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> build.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |     IoError(io::Error),
[INFO] [stdout]     |     ------- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 119 -     IoError(io::Error),
[INFO] [stdout] 119 +     IoError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> build.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     TemplateError(hbs::TemplateError),
[INFO] [stdout]     |     ------------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 120 -     TemplateError(hbs::TemplateError),
[INFO] [stdout] 120 +     TemplateError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> build.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     RenderError(hbs::RenderError),
[INFO] [stdout]     |     ----------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 121 -     RenderError(hbs::RenderError),
[INFO] [stdout] 121 +     RenderError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `wasi`
[INFO] [stdout]   --> src/unix/constants.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | target_env = "wasi",
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_env` are: ``, `gnu`, `macabi`, `mlibc`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `nto71_iosock`, `nto80`, `ohos`, `p1`, `p2`, `p3`, `relibc`, `sgx`, `sim`, `uclibc`, and `v5`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 21.73s
[INFO] running `Command { std: "docker" "inspect" "f0ec8a3d4512609e4fabbbdae5049893c80f5f9da87fe6e27c9d554f0f67ad04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ec8a3d4512609e4fabbbdae5049893c80f5f9da87fe6e27c9d554f0f67ad04", kill_on_drop: false }`
[INFO] [stdout] f0ec8a3d4512609e4fabbbdae5049893c80f5f9da87fe6e27c9d554f0f67ad04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc2c8cb2c17ac88dbc0a0fd0dcfbb83ef00afecdab4b804a258630d745f0873b
[INFO] running `Command { std: "docker" "start" "-a" "fc2c8cb2c17ac88dbc0a0fd0dcfbb83ef00afecdab4b804a258630d745f0873b", kill_on_drop: false }`
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> build.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |     IoError(io::Error),
[INFO] [stdout]     |     ------- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 119 -     IoError(io::Error),
[INFO] [stdout] 119 +     IoError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> build.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     TemplateError(hbs::TemplateError),
[INFO] [stdout]     |     ------------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 120 -     TemplateError(hbs::TemplateError),
[INFO] [stdout] 120 +     TemplateError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> build.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     RenderError(hbs::RenderError),
[INFO] [stdout]     |     ----------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 121 -     RenderError(hbs::RenderError),
[INFO] [stdout] 121 +     RenderError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `wasi`
[INFO] [stdout]   --> src/unix/constants.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | target_env = "wasi",
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_env` are: ``, `gnu`, `macabi`, `mlibc`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `nto71_iosock`, `nto80`, `ohos`, `p1`, `p2`, `p3`, `relibc`, `sgx`, `sim`, `uclibc`, and `v5`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `wasi`
[INFO] [stdout]   --> src/unix/constants.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | target_env = "wasi",
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_env` are: ``, `gnu`, `macabi`, `mlibc`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `nto71_iosock`, `nto80`, `ohos`, `p1`, `p2`, `p3`, `relibc`, `sgx`, `sim`, `uclibc`, and `v5`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ifcfg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "fc2c8cb2c17ac88dbc0a0fd0dcfbb83ef00afecdab4b804a258630d745f0873b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2c8cb2c17ac88dbc0a0fd0dcfbb83ef00afecdab4b804a258630d745f0873b", kill_on_drop: false }`
[INFO] [stdout] fc2c8cb2c17ac88dbc0a0fd0dcfbb83ef00afecdab4b804a258630d745f0873b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b8d3fe2811572fb8b72b91ca853b34a179d862b5c9bec0296f9ce867b1d4bb6
[INFO] running `Command { std: "docker" "start" "-a" "5b8d3fe2811572fb8b72b91ca853b34a179d862b5c9bec0296f9ce867b1d4bb6", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> build.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |     IoError(io::Error),
[INFO] [stderr]     |     ------- ^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 119 -     IoError(io::Error),
[INFO] [stderr] 119 +     IoError(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> build.rs:120:19
[INFO] [stderr]     |
[INFO] [stderr] 120 |     TemplateError(hbs::TemplateError),
[INFO] [stderr]     |     ------------- ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 120 -     TemplateError(hbs::TemplateError),
[INFO] [stderr] 120 +     TemplateError(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> build.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |     RenderError(hbs::RenderError),
[INFO] [stderr]     |     ----------- ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 121 -     RenderError(hbs::RenderError),
[INFO] [stderr] 121 +     RenderError(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `ifcfg` (build script) generated 3 warnings
[INFO] [stderr] warning: unexpected `cfg` condition value: `wasi`
[INFO] [stderr]   --> src/unix/constants.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | target_env = "wasi",
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `target_env` are: ``, `gnu`, `macabi`, `mlibc`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `nto71_iosock`, `nto80`, `ohos`, `p1`, `p2`, `p3`, `relibc`, `sgx`, `sim`, `uclibc`, and `v5`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ifcfg` (lib) generated 1 warning
[INFO] [stderr] warning: `ifcfg` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ifcfg-8829802f753816e6)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test unix::constants::tests::test_existing ... ok
[INFO] [stdout] test unix::constants::tests::test_not_existing ... ok
[INFO] [stdout] test tests::test_get_adapters ... ok
[INFO] [stdout] test unix::error::tests::test_error_has_traits ... ok
[INFO] [stdout] test unix::interfaces::tests::test_hardwareaddr_deriving ... ok
[INFO] [stdout] test unix::interfaces::tests::test_interface_is_comparable ... ok
[INFO] [stdout] test unix::interfaces::tests::test_hardwareaddr_format ... ok
[INFO] [stdout] test unix::ffi::tests::test_make_int16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ifcfg
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/unix/interfaces.rs - unix::interfaces::HardwareAddr::as_bare_string (line 127) ... ignored
[INFO] [stdout] test src/unix/interfaces.rs - unix::interfaces::HardwareAddr::as_bytes (line 143) ... ignored
[INFO] [stdout] test src/unix/interfaces.rs - unix::interfaces::HardwareAddr::as_string (line 110) ... ignored
[INFO] [stdout] test src/unix/interfaces.rs - unix::interfaces::Interface::get_by_name (line 264) ... ignored
[INFO] [stdout] test src/lib.rs - IfCfg::get (line 92) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b8d3fe2811572fb8b72b91ca853b34a179d862b5c9bec0296f9ce867b1d4bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8d3fe2811572fb8b72b91ca853b34a179d862b5c9bec0296f9ce867b1d4bb6", kill_on_drop: false }`
[INFO] [stdout] 5b8d3fe2811572fb8b72b91ca853b34a179d862b5c9bec0296f9ce867b1d4bb6
