[INFO] fetching crate tracing-subscriber 0.3.18...
[INFO] testing tracing-subscriber-0.3.18 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate tracing-subscriber 0.3.18 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tracing-subscriber 0.3.18 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-subscriber 0.3.18
[INFO] finished tweaking crates.io crate tracing-subscriber 0.3.18
[INFO] tweaked toml for crates.io crate tracing-subscriber 0.3.18 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 120 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] [stderr]       Adding matchers v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded valuable-serde v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 386673d4e600db67e399649d3130879e066c9bb94d0a464bcc36b73f30e9114b
[INFO] running `Command { std: "docker" "start" "-a" "386673d4e600db67e399649d3130879e066c9bb94d0a464bcc36b73f30e9114b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "386673d4e600db67e399649d3130879e066c9bb94d0a464bcc36b73f30e9114b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386673d4e600db67e399649d3130879e066c9bb94d0a464bcc36b73f30e9114b", kill_on_drop: false }`
[INFO] [stdout] 386673d4e600db67e399649d3130879e066c9bb94d0a464bcc36b73f30e9114b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30f5641df88af864c3c279393fa7b58ae967f68789201cc3d9857b761bb0ef07
[INFO] running `Command { std: "docker" "start" "-a" "30f5641df88af864c3c279393fa7b58ae967f68789201cc3d9857b761bb0ef07", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]    --> src/lib.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     private_in_public,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/registry/mod.rs:118:50
[INFO] [stdout]     |
[INFO] [stdout] 92  | pub trait LookupSpan<'a> {
[INFO] [stdout]     |                      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn span(&'a self, id: &Id) -> Option<SpanRef<'_, Self>>
[INFO] [stdout]     |                                                  ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "30f5641df88af864c3c279393fa7b58ae967f68789201cc3d9857b761bb0ef07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f5641df88af864c3c279393fa7b58ae967f68789201cc3d9857b761bb0ef07", kill_on_drop: false }`
[INFO] [stdout] 30f5641df88af864c3c279393fa7b58ae967f68789201cc3d9857b761bb0ef07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3178c33450b61943a95c14ad3f5c93d2768c6e31b1ec10030aeefe0a2e998aa2
[INFO] running `Command { std: "docker" "start" "-a" "3178c33450b61943a95c14ad3f5c93d2768c6e31b1ec10030aeefe0a2e998aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]    --> src/lib.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     private_in_public,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/registry/mod.rs:118:50
[INFO] [stdout]     |
[INFO] [stdout] 92  | pub trait LookupSpan<'a> {
[INFO] [stdout]     |                      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn span(&'a self, id: &Id) -> Option<SpanRef<'_, Self>>
[INFO] [stdout]     |                                                  ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tokio v1.41.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling pin-project v1.1.7
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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] 3 | 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/layer_filters/boxed.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::layer::MockLayer;
[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] 2 | use tracing_core::layer::MockLayer;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tracing_mock`
[INFO] [stdout]  --> tests/layer_filters/filter_scopes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::{event, expect, layer::MockLayer};
[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] 2 | use tracing_core::{event, expect, layer::MockLayer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/layer_filters/filter_scopes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::{event, expect, layer::MockLayer};
[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] 2 | use tracing_core::{event, expect, layer::MockLayer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/layer_filters/per_event.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::{expect, layer};
[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] 2 | use tracing_core::{expect, layer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/layer_filters/targets.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::event;
[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] 2 | use tracing_core::event;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tracing_mock`
[INFO] [stdout]  --> tests/layer_filters/trees.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::{event, expect, layer::MockLayer};
[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] 2 | use tracing_core::{event, expect, layer::MockLayer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/layer_filters/trees.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::{event, expect, layer::MockLayer};
[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] 2 | use tracing_core::{event, expect, layer::MockLayer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tracing_mock`
[INFO] [stdout]  --> tests/layer_filters/vec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing_mock::{expect, layer::MockLayer};
[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] 3 | use tracing_core::{expect, layer::MockLayer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/layer_filters/vec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing_mock::{expect, layer::MockLayer};
[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] 3 | use tracing_core::{expect, layer::MockLayer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]   --> tests/layer_filters/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing_mock::{event, expect, layer, subscriber};
[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] 12 | use tracing_core::{event, expect, layer, subscriber};
[INFO] [stdout]    |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/multiple_layer_filter_interests_cached.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing_mock::{expect, layer};
[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] 7 | use tracing_core::{expect, layer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tracing_mock`
[INFO] [stdout]  --> tests/unhinted_layer_filters_dont_break_other_layers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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] 3 | 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/hinted_layer_filters_dont_break_other_layers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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] 3 | use tracing_core::{
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/hinted_layer_filters_dont_break_other_layers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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] 3 | use tracing_core::{
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/unhinted_layer_filters_dont_break_other_layers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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] 3 | use tracing_core::{
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tracing_mock`
[INFO] [stdout]  --> tests/vec_subscriber_filter_interests_cached.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing_mock::{layer::MockLayer, *};
[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] 7 | use tracing_core::{layer::MockLayer, *};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/vec_subscriber_filter_interests_cached.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing_mock::{layer::MockLayer, *};
[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] 7 | use tracing_core::{layer::MockLayer, *};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "utils") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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] [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-subscriber` (test "hinted_layer_filters_dont_break_other_layers") due to 2 previous errors
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "multiple_layer_filter_interests_cached") due to 1 previous error
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "unhinted_layer_filters_dont_break_other_layers") due to 2 previous errors
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]    --> src/lib.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     private_in_public,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/registry/mod.rs:118:50
[INFO] [stdout]     |
[INFO] [stdout] 92  | pub trait LookupSpan<'a> {
[INFO] [stdout]     |                      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn span(&'a self, id: &Id) -> Option<SpanRef<'_, Self>>
[INFO] [stdout]     |                                                  ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[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-subscriber` (test "vec_subscriber_filter_interests_cached") due to 2 previous errors
[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-subscriber` (test "layer_filters") due to 10 previous errors
[INFO] [stdout] warning: struct `DoesNothing` is never constructed
[INFO] [stdout]    --> src/registry/sharded.rs:549:12
[INFO] [stdout]     |
[INFO] [stdout] 549 |     struct DoesNothing;
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/registry/sharded.rs:599:23
[INFO] [stdout]     |
[INFO] [stdout] 599 |     struct SetRemoved(Arc<()>);
[INFO] [stdout]     |            ---------- ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3178c33450b61943a95c14ad3f5c93d2768c6e31b1ec10030aeefe0a2e998aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3178c33450b61943a95c14ad3f5c93d2768c6e31b1ec10030aeefe0a2e998aa2", kill_on_drop: false }`
[INFO] [stdout] 3178c33450b61943a95c14ad3f5c93d2768c6e31b1ec10030aeefe0a2e998aa2
