[INFO] cloning repository https://github.com/developerworks/programming-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/developerworks/programming-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeveloperworks%2Fprogramming-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeveloperworks%2Fprogramming-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b07506eb23a7a960db01b8c56eee9ff66836d59
[INFO] checking developerworks/programming-rust against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeveloperworks%2Fprogramming-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/developerworks/programming-rust
[INFO] finished tweaking git repo https://github.com/developerworks/programming-rust
[INFO] tweaked toml for git repo https://github.com/developerworks/programming-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/developerworks/programming-rust on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/developerworks/programming-rust 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded snafu v0.7.0
[INFO] [stderr]   Downloaded snafu-derive v0.7.0
[INFO] [stderr]   Downloaded object v0.28.3
[INFO] [stderr]   Downloaded bitvec v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c346f99561959a12839b4b888d4bc49813902570afd21b04595b598ef671980f
[INFO] running `Command { std: "docker" "start" "-a" "c346f99561959a12839b4b888d4bc49813902570afd21b04595b598ef671980f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c346f99561959a12839b4b888d4bc49813902570afd21b04595b598ef671980f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c346f99561959a12839b4b888d4bc49813902570afd21b04595b598ef671980f", kill_on_drop: false }`
[INFO] [stdout] c346f99561959a12839b4b888d4bc49813902570afd21b04595b598ef671980f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f7da5ba4f97d390581b8349766f2bbe8f734d82b8f5dde3939ebab047cd6af7
[INFO] running `Command { std: "docker" "start" "-a" "9f7da5ba4f97d390581b8349766f2bbe8f734d82b8f5dde3939ebab047cd6af7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking object v0.28.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling snafu-derive v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking snafu v0.7.0
[INFO] [stderr]     Checking programming-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> examples/trait_default.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct TupleWithDefault(i32, i32, i32);
[INFO] [stdout]    |        ---------------- ^^^  ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `TupleWithDefault` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]   --> examples/tour.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |           if !cfg!(feature = "testing") {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 48 | /     qprintln!(
[INFO] [stdout] 49 | |         "A Msb0 BitSlice has the same left-to-right order in memory as it does \
[INFO] [stdout] 50 | |          semantically"
[INFO] [stdout] 51 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `testing` as a feature in `Cargo.toml`
[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]    = note: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]   --> examples/tour.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |           if !cfg!(feature = "testing") {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 56 | /     qprintln!(
[INFO] [stdout] 57 | |         "An Lsb0 BitVec has the opposite layout in memory as it does \
[INFO] [stdout] 58 | |          semantically"
[INFO] [stdout] 59 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]   --> examples/tour.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 63 |     qprintln!("A BitVec can use storage other than u8");
[INFO] [stdout]    |     --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]   --> examples/tour.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 66 |     qprintln!("BitVec can participate in Boolean arithmetic");
[INFO] [stdout]    |     --------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]   --> examples/tour.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |           if !cfg!(feature = "testing") {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     qprintln!(
[INFO] [stdout] 77 | |         "\
[INFO] [stdout] 78 | | Bit slice operations will never affect or observe memory outside the domain of
[INFO] [stdout] 79 | | the slice descriptor. This can result in slow behavior when operations must work
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | | are dominant."
[INFO] [stdout] 85 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]   --> examples/tour.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 97 |     qprintln!("End example");
[INFO] [stdout]    |     ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/tour.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  21 |           if !cfg!(feature = "testing") {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 104 | /         qprintln!(
[INFO] [stdout] 105 | |             "Memory information: {} elements, {} bits",
[INFO] [stdout] 106 | |             bs.domain().len(),
[INFO] [stdout] 107 | |             bs.len(),
[INFO] [stdout] 108 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/tour.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 109 |         qprintln!("Print out the semantic contents");
[INFO] [stdout]     |         -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/tour.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 110 |         qprintln!("{:#?}", bs);
[INFO] [stdout]     |         ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/tour.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 111 |         qprintln!("Print out the memory contents");
[INFO] [stdout]     |         ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/tour.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 112 |         qprintln!("{:?}", bs.domain());
[INFO] [stdout]     |         ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/tour.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 113 |         qprintln!("Show the bits in memory");
[INFO] [stdout]     |         ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/tour.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 115 |             qprintln!("{:0w$b} ", elt, w = bitvec::mem::bits_of::<T::Mem>());
[INFO] [stdout]     |             ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/tour.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout]  21 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 117 |         qprintln!();
[INFO] [stdout]     |         ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/bitvec_ipv4.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  37 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 133 |     qprintln!("Final packet: [");
[INFO] [stdout]     |     ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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]     = note: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/bitvec_ipv4.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  37 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 135 |         qprintln!("    {:08b}", *byte);
[INFO] [stdout]     |         ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/bitvec_ipv4.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  37 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 137 |     qprintln!("]");
[INFO] [stdout]     |     -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/bitvec_ipv4.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  37 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 141 |     qprintln!("Press <Enter> to move through the steps of the example");
[INFO] [stdout]     |     ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `testing`
[INFO] [stdout]    --> examples/bitvec_ipv4.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  37 |         if !cfg!(feature = "testing") {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 164 |     qprintln!("{}: {:#}", title, AnnotatedArray::new(packet, range));
[INFO] [stdout]     |     ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `testing` as a feature in `Cargo.toml`
[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: this warning originates in the macro `qprintln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.44s
[INFO] running `Command { std: "docker" "inspect" "9f7da5ba4f97d390581b8349766f2bbe8f734d82b8f5dde3939ebab047cd6af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7da5ba4f97d390581b8349766f2bbe8f734d82b8f5dde3939ebab047cd6af7", kill_on_drop: false }`
[INFO] [stdout] 9f7da5ba4f97d390581b8349766f2bbe8f734d82b8f5dde3939ebab047cd6af7
