[INFO] fetching crate tracing 0.1.37...
[INFO] checking tracing-0.1.37 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate tracing 0.1.37 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate tracing 0.1.37 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing 0.1.37
[INFO] finished tweaking crates.io crate tracing 0.1.37
[INFO] tweaked toml for crates.io crate tracing 0.1.37 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1b59e05d969f7d87debcec633e417b42b3f8a21ddef2168c3e27d0a59150eb9
[INFO] running `Command { std: "docker" "start" "-a" "b1b59e05d969f7d87debcec633e417b42b3f8a21ddef2168c3e27d0a59150eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b59e05d969f7d87debcec633e417b42b3f8a21ddef2168c3e27d0a59150eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b59e05d969f7d87debcec633e417b42b3f8a21ddef2168c3e27d0a59150eb9", kill_on_drop: false }`
[INFO] [stdout] b1b59e05d969f7d87debcec633e417b42b3f8a21ddef2168c3e27d0a59150eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e52ae505eeb5e6fbbadb318924324f3857f7b169c99606f87f1aae60b4029ba3
[INFO] running `Command { std: "docker" "start" "-a" "e52ae505eeb5e6fbbadb318924324f3857f7b169c99606f87f1aae60b4029ba3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking csv v1.2.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]    Compiling tracing-attributes v0.1.24
[INFO] [stderr]     Checking tracing v0.1.37 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]    --> src/lib.rs:914:5
[INFO] [stdout]     |
[INFO] [stdout] 914 |     const_err,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]   --> tests/filters_are_not_reevaluated_for_the_same_span.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_mock::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of undeclared crate or module `tracing_mock`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_core::*;
[INFO] [stdout]    |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tracing_mock`
[INFO] [stdout]  --> tests/no_subscriber.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (subscriber, handle) = tracing_mock::subscriber::mock().done().run_with_handle();
[INFO] [stdout]   |                                ^^^^^^^^^^^^ use of undeclared crate or module `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (subscriber, handle) = tracing_core::subscriber::mock().done().run_with_handle();
[INFO] [stdout]   |                                ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]   --> tests/span.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing_mock::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of undeclared crate or module `tracing_mock`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing_core::*;
[INFO] [stdout]    |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]   --> tests/filters_are_not_reevaluated_for_the_same_span.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]    |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]    --> src/lib.rs:914:5
[INFO] [stdout]     |
[INFO] [stdout] 914 |     const_err,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "filters_are_not_reevaluated_for_the_same_span") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "no_subscriber") due to 2 previous errors
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]   --> tests/span.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     with_default(subscriber::mock().run(), || {
[INFO] [stdout]    |                  ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]   --> tests/span.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     with_default(subscriber::mock().run(), || {
[INFO] [stdout]    |                  ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]   --> tests/span.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     with_default(subscriber::mock().run(), || {
[INFO] [stdout]    |                  ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]   --> tests/span.rs:64:23
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let subscriber1 = subscriber::mock()
[INFO] [stdout]    |                       ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |         .enter(span::mock().named("foo"))
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                use of undeclared crate or module `span`
[INFO] [stdout]    |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 |         .exit(span::mock().named("foo"))
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               use of undeclared crate or module `span`
[INFO] [stdout]    |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         .enter(span::mock().named("foo"))
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                use of undeclared crate or module `span`
[INFO] [stdout]    |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |         .exit(span::mock().named("foo"))
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               use of undeclared crate or module `span`
[INFO] [stdout]    |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    use of undeclared crate or module `span`
[INFO] [stdout]    |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]   --> tests/span.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let subscriber2 = subscriber::mock().run();
[INFO] [stdout]    |                       ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]   --> tests/span.rs:91:23
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let subscriber1 = subscriber::mock()
[INFO] [stdout]    |                       ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |         .enter(span::mock().named("foo"))
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                use of undeclared crate or module `span`
[INFO] [stdout]    |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:93:15
[INFO] [stdout]    |
[INFO] [stdout] 93 |         .exit(span::mock().named("foo"))
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               use of undeclared crate or module `span`
[INFO] [stdout]    |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |         .enter(span::mock().named("foo"))
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                use of undeclared crate or module `span`
[INFO] [stdout]    |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |         .exit(span::mock().named("foo"))
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               use of undeclared crate or module `span`
[INFO] [stdout]    |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]   --> tests/span.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    use of undeclared crate or module `span`
[INFO] [stdout]    |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |         with_default(subscriber::mock().run(), || {
[INFO] [stdout]     |                      ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:119:32
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:137:32
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:138:16
[INFO] [stdout]     |
[INFO] [stdout] 138 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `event`
[INFO] [stdout]    --> tests/span.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |         .event(event::mock())
[INFO] [stdout]     |                ^^^^^ use of undeclared crate or module `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:140:15
[INFO] [stdout]     |
[INFO] [stdout] 140 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:141:20
[INFO] [stdout]     |
[INFO] [stdout] 141 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:156:32
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:157:16
[INFO] [stdout]     |
[INFO] [stdout] 157 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `event`
[INFO] [stdout]    --> tests/span.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 |         .event(event::mock())
[INFO] [stdout]     |                ^^^^^ use of undeclared crate or module `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:159:15
[INFO] [stdout]     |
[INFO] [stdout] 159 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:160:20
[INFO] [stdout]     |
[INFO] [stdout] 160 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:161:16
[INFO] [stdout]     |
[INFO] [stdout] 161 |         .enter(span::mock().named("bar"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 |         .exit(span::mock().named("bar"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |         .drop_span(span::mock().named("bar"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:179:32
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `event`
[INFO] [stdout]    --> tests/span.rs:180:16
[INFO] [stdout]     |
[INFO] [stdout] 180 |         .event(event::mock())
[INFO] [stdout]     |                ^^^^^ use of undeclared crate or module `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:181:16
[INFO] [stdout]     |
[INFO] [stdout] 181 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:182:15
[INFO] [stdout]     |
[INFO] [stdout] 182 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:183:20
[INFO] [stdout]     |
[INFO] [stdout] 183 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:197:32
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |         .clone_span(span::mock().named("foo"))
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     use of undeclared crate or module `span`
[INFO] [stdout]     |                     help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:213:32
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |         .clone_span(span::mock().named("foo"))
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     use of undeclared crate or module `span`
[INFO] [stdout]     |                     help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:216:20
[INFO] [stdout]     |
[INFO] [stdout] 216 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:230:34
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let (subscriber1, handle1) = subscriber::mock()
[INFO] [stdout]     |                                  ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:231:16
[INFO] [stdout]     |
[INFO] [stdout] 231 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:232:15
[INFO] [stdout]     |
[INFO] [stdout] 232 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |         .clone_span(span::mock().named("foo"))
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     use of undeclared crate or module `span`
[INFO] [stdout]     |                     help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:234:16
[INFO] [stdout]     |
[INFO] [stdout] 234 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:235:15
[INFO] [stdout]     |
[INFO] [stdout] 235 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:236:20
[INFO] [stdout]     |
[INFO] [stdout] 236 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:237:20
[INFO] [stdout]     |
[INFO] [stdout] 237 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:239:23
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let subscriber2 = subscriber::mock().done().run();
[INFO] [stdout]     |                       ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:261:32
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:262:16
[INFO] [stdout]     |
[INFO] [stdout] 262 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:263:15
[INFO] [stdout]     |
[INFO] [stdout] 263 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:264:20
[INFO] [stdout]     |
[INFO] [stdout] 264 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:281:32
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:282:16
[INFO] [stdout]     |
[INFO] [stdout] 282 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `event`
[INFO] [stdout]    --> tests/span.rs:283:16
[INFO] [stdout]     |
[INFO] [stdout] 283 |         .event(event::mock())
[INFO] [stdout]     |                ^^^^^ use of undeclared crate or module `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:284:15
[INFO] [stdout]     |
[INFO] [stdout] 284 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:285:20
[INFO] [stdout]     |
[INFO] [stdout] 285 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:300:32
[INFO] [stdout]     |
[INFO] [stdout] 300 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:301:16
[INFO] [stdout]     |
[INFO] [stdout] 301 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `event`
[INFO] [stdout]    --> tests/span.rs:302:16
[INFO] [stdout]     |
[INFO] [stdout] 302 |         .event(event::mock())
[INFO] [stdout]     |                ^^^^^ use of undeclared crate or module `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:303:15
[INFO] [stdout]     |
[INFO] [stdout] 303 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:304:20
[INFO] [stdout]     |
[INFO] [stdout] 304 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:318:32
[INFO] [stdout]     |
[INFO] [stdout] 318 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:319:16
[INFO] [stdout]     |
[INFO] [stdout] 319 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `event`
[INFO] [stdout]    --> tests/span.rs:320:16
[INFO] [stdout]     |
[INFO] [stdout] 320 |         .event(event::mock())
[INFO] [stdout]     |                ^^^^^ use of undeclared crate or module `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:321:15
[INFO] [stdout]     |
[INFO] [stdout] 321 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:322:20
[INFO] [stdout]     |
[INFO] [stdout] 322 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:338:32
[INFO] [stdout]     |
[INFO] [stdout] 338 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:340:13
[INFO] [stdout]     |
[INFO] [stdout] 340 |             span::mock().named("foo").with_field(
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 field::mock("bar")
[INFO] [stdout]     |                 ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:346:16
[INFO] [stdout]     |
[INFO] [stdout] 346 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:347:15
[INFO] [stdout]     |
[INFO] [stdout] 347 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:348:20
[INFO] [stdout]     |
[INFO] [stdout] 348 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:367:32
[INFO] [stdout]     |
[INFO] [stdout] 367 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |             span::mock()
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:371:29
[INFO] [stdout]     |
[INFO] [stdout] 371 |                 .with_field(field::mock("fields.bar").with_value(&true).only()),
[INFO] [stdout]     |                             ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:385:32
[INFO] [stdout]     |
[INFO] [stdout] 385 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:387:13
[INFO] [stdout]     |
[INFO] [stdout] 387 |             span::mock().named("foo").with_field(
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:388:17
[INFO] [stdout]     |
[INFO] [stdout] 388 |                 field::mock("bar")
[INFO] [stdout]     |                 ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:393:16
[INFO] [stdout]     |
[INFO] [stdout] 393 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:394:15
[INFO] [stdout]     |
[INFO] [stdout] 394 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:395:20
[INFO] [stdout]     |
[INFO] [stdout] 395 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:428:32
[INFO] [stdout]     |
[INFO] [stdout] 428 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:430:13
[INFO] [stdout]     |
[INFO] [stdout] 430 |             span::mock().named("foo").with_field(
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:431:17
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 field::mock("x")
[INFO] [stdout]     |                 ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:433:26
[INFO] [stdout]     |
[INFO] [stdout] 433 |                     .and(field::mock("y").with_value(&debug(-1.223)))
[INFO] [stdout]     |                          ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |             span::mock()
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:440:29
[INFO] [stdout]     |
[INFO] [stdout] 440 |                 .with_field(field::mock("position").with_value(&debug(&pos)).only()),
[INFO] [stdout]     |                             ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:461:32
[INFO] [stdout]     |
[INFO] [stdout] 461 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:463:13
[INFO] [stdout]     |
[INFO] [stdout] 463 |             span::mock().named("foo").with_field(
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:464:17
[INFO] [stdout]     |
[INFO] [stdout] 464 |                 field::mock("x")
[INFO] [stdout]     |                 ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:466:26
[INFO] [stdout]     |
[INFO] [stdout] 466 |                     .and(field::mock("y").with_value(&-1.223))
[INFO] [stdout]     |                          ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:545:32
[INFO] [stdout]     |
[INFO] [stdout] 545 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:547:13
[INFO] [stdout]     |
[INFO] [stdout] 547 |             span::mock().named("foo").with_field(
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:548:17
[INFO] [stdout]     |
[INFO] [stdout] 548 |                 field::mock("bar")
[INFO] [stdout]     |                 ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:550:26
[INFO] [stdout]     |
[INFO] [stdout] 550 |                     .and(field::mock("baz").with_value(&false))
[INFO] [stdout]     |                          ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:555:13
[INFO] [stdout]     |
[INFO] [stdout] 555 |             span::mock().named("foo"),
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 556 |             field::mock("baz").with_value(&true).only(),
[INFO] [stdout]     |             ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:558:16
[INFO] [stdout]     |
[INFO] [stdout] 558 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:559:15
[INFO] [stdout]     |
[INFO] [stdout] 559 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:560:20
[INFO] [stdout]     |
[INFO] [stdout] 560 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:576:32
[INFO] [stdout]     |
[INFO] [stdout] 576 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:578:13
[INFO] [stdout]     |
[INFO] [stdout] 578 |             span::mock().named("foo").with_field(
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:579:17
[INFO] [stdout]     |
[INFO] [stdout] 579 |                 field::mock("bar")
[INFO] [stdout]     |                 ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:581:26
[INFO] [stdout]     |
[INFO] [stdout] 581 |                     .and(field::mock("baz").with_value(&false))
[INFO] [stdout]     |                          ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:586:13
[INFO] [stdout]     |
[INFO] [stdout] 586 |             span::mock().named("foo"),
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:587:13
[INFO] [stdout]     |
[INFO] [stdout] 587 |             field::mock("bar").with_value(&5).only(),
[INFO] [stdout]     |             ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:590:13
[INFO] [stdout]     |
[INFO] [stdout] 590 |             span::mock().named("foo"),
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:591:13
[INFO] [stdout]     |
[INFO] [stdout] 591 |             field::mock("baz").with_value(&true).only(),
[INFO] [stdout]     |             ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:593:16
[INFO] [stdout]     |
[INFO] [stdout] 593 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:594:15
[INFO] [stdout]     |
[INFO] [stdout] 594 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:595:20
[INFO] [stdout]     |
[INFO] [stdout] 595 |         .drop_span(span::mock().named("foo"))
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    use of undeclared crate or module `span`
[INFO] [stdout]     |                    help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:612:32
[INFO] [stdout]     |
[INFO] [stdout] 612 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:614:13
[INFO] [stdout]     |
[INFO] [stdout] 614 |             span::mock()
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:632:32
[INFO] [stdout]     |
[INFO] [stdout] 632 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:633:19
[INFO] [stdout]     |
[INFO] [stdout] 633 |         .new_span(span::mock().named("foo").with_explicit_parent(None))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:647:32
[INFO] [stdout]     |
[INFO] [stdout] 647 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:648:19
[INFO] [stdout]     |
[INFO] [stdout] 648 |         .new_span(span::mock().named("foo"))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:649:16
[INFO] [stdout]     |
[INFO] [stdout] 649 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:650:19
[INFO] [stdout]     |
[INFO] [stdout] 650 |         .new_span(span::mock().named("bar").with_explicit_parent(None))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:651:15
[INFO] [stdout]     |
[INFO] [stdout] 651 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:667:32
[INFO] [stdout]     |
[INFO] [stdout] 667 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:668:19
[INFO] [stdout]     |
[INFO] [stdout] 668 |         .new_span(span::mock().named("foo"))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:669:19
[INFO] [stdout]     |
[INFO] [stdout] 669 |         .new_span(span::mock().named("bar").with_explicit_parent(Some("foo")))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:684:32
[INFO] [stdout]     |
[INFO] [stdout] 684 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:685:19
[INFO] [stdout]     |
[INFO] [stdout] 685 |         .new_span(span::mock().named("foo"))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:686:19
[INFO] [stdout]     |
[INFO] [stdout] 686 |         .new_span(span::mock().named("a").with_explicit_parent(Some("foo")))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:687:19
[INFO] [stdout]     |
[INFO] [stdout] 687 |         .new_span(span::mock().named("b").with_explicit_parent(Some("foo")))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:688:19
[INFO] [stdout]     |
[INFO] [stdout] 688 |         .new_span(span::mock().named("c").with_explicit_parent(Some("foo")))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:689:19
[INFO] [stdout]     |
[INFO] [stdout] 689 |         .new_span(span::mock().named("d").with_explicit_parent(Some("foo")))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:690:19
[INFO] [stdout]     |
[INFO] [stdout] 690 |         .new_span(span::mock().named("e").with_explicit_parent(Some("foo")))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:709:32
[INFO] [stdout]     |
[INFO] [stdout] 709 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:710:19
[INFO] [stdout]     |
[INFO] [stdout] 710 |         .new_span(span::mock().named("foo"))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:711:19
[INFO] [stdout]     |
[INFO] [stdout] 711 |         .new_span(span::mock().named("bar"))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:712:16
[INFO] [stdout]     |
[INFO] [stdout] 712 |         .enter(span::mock().named("bar"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:713:19
[INFO] [stdout]     |
[INFO] [stdout] 713 |         .new_span(span::mock().named("baz").with_explicit_parent(Some("foo")))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:714:15
[INFO] [stdout]     |
[INFO] [stdout] 714 |         .exit(span::mock().named("bar"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:730:32
[INFO] [stdout]     |
[INFO] [stdout] 730 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:731:19
[INFO] [stdout]     |
[INFO] [stdout] 731 |         .new_span(span::mock().named("foo").with_contextual_parent(None))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:745:32
[INFO] [stdout]     |
[INFO] [stdout] 745 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:746:19
[INFO] [stdout]     |
[INFO] [stdout] 746 |         .new_span(span::mock().named("foo"))
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   use of undeclared crate or module `span`
[INFO] [stdout]     |                   help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:747:16
[INFO] [stdout]     |
[INFO] [stdout] 747 |         .enter(span::mock().named("foo"))
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                use of undeclared crate or module `span`
[INFO] [stdout]     |                help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:749:13
[INFO] [stdout]     |
[INFO] [stdout] 749 |             span::mock()
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:753:15
[INFO] [stdout]     |
[INFO] [stdout] 753 |         .exit(span::mock().named("foo"))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               use of undeclared crate or module `span`
[INFO] [stdout]     |               help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:769:32
[INFO] [stdout]     |
[INFO] [stdout] 769 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:771:13
[INFO] [stdout]     |
[INFO] [stdout] 771 |             span::mock().named("my_span").with_field(
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:772:17
[INFO] [stdout]     |
[INFO] [stdout] 772 |                 field::mock("my_field")
[INFO] [stdout]     |                 ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:789:32
[INFO] [stdout]     |
[INFO] [stdout] 789 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:791:13
[INFO] [stdout]     |
[INFO] [stdout] 791 |             span::mock().named("my_span").with_field(
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:792:17
[INFO] [stdout]     |
[INFO] [stdout] 792 |                 field::mock("my_field")
[INFO] [stdout]     |                 ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `subscriber`
[INFO] [stdout]    --> tests/span.rs:809:32
[INFO] [stdout]     |
[INFO] [stdout] 809 |     let (subscriber, handle) = subscriber::mock()
[INFO] [stdout]     |                                ^^^^^^^^^^ use of undeclared crate or module `subscriber`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `span`
[INFO] [stdout]    --> tests/span.rs:811:13
[INFO] [stdout]     |
[INFO] [stdout] 811 |             span::mock().named("my_span").with_field(
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             use of undeclared crate or module `span`
[INFO] [stdout]     |             help: a struct with a similar name exists (notice the capitalization): `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:812:17
[INFO] [stdout]     |
[INFO] [stdout] 812 |                 field::mock("display_field")
[INFO] [stdout]     |                 ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `field`
[INFO] [stdout]    --> tests/span.rs:814:26
[INFO] [stdout]     |
[INFO] [stdout] 814 |                     .and(field::mock("debug_field").with_value(&debug("hello world")))
[INFO] [stdout]     |                          ^^^^^ use of undeclared crate or module `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 161 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing` (test "span") due to 162 previous errors
[INFO] running `Command { std: "docker" "inspect" "e52ae505eeb5e6fbbadb318924324f3857f7b169c99606f87f1aae60b4029ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52ae505eeb5e6fbbadb318924324f3857f7b169c99606f87f1aae60b4029ba3", kill_on_drop: false }`
[INFO] [stdout] e52ae505eeb5e6fbbadb318924324f3857f7b169c99606f87f1aae60b4029ba3
