[INFO] fetching crate tracing-subscriber 0.3.18...
[INFO] testing tracing-subscriber-0.3.18 against 1.75.0 for beta-1.76-1
[INFO] extracting crate tracing-subscriber 0.3.18 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate tracing-subscriber 0.3.18 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 979dc5205b4bfcbb53cb6bb967edfa26134032c84afc3c517af16f83fd9550ea
[INFO] running `Command { std: "docker" "start" "-a" "979dc5205b4bfcbb53cb6bb967edfa26134032c84afc3c517af16f83fd9550ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "979dc5205b4bfcbb53cb6bb967edfa26134032c84afc3c517af16f83fd9550ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979dc5205b4bfcbb53cb6bb967edfa26134032c84afc3c517af16f83fd9550ea", kill_on_drop: false }`
[INFO] [stdout] 979dc5205b4bfcbb53cb6bb967edfa26134032c84afc3c517af16f83fd9550ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c5c0cc5398f4b2e4755edb76cbc55b382f5b65847f0e71ba99e4544c4a38d63
[INFO] running `Command { std: "docker" "start" "-a" "9c5c0cc5398f4b2e4755edb76cbc55b382f5b65847f0e71ba99e4544c4a38d63", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.7
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "9c5c0cc5398f4b2e4755edb76cbc55b382f5b65847f0e71ba99e4544c4a38d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5c0cc5398f4b2e4755edb76cbc55b382f5b65847f0e71ba99e4544c4a38d63", kill_on_drop: false }`
[INFO] [stdout] 9c5c0cc5398f4b2e4755edb76cbc55b382f5b65847f0e71ba99e4544c4a38d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa6166932244826578ab77a86341cc80285914c338760375b8faaec06d097171
[INFO] running `Command { std: "docker" "start" "-a" "fa6166932244826578ab77a86341cc80285914c338760375b8faaec06d097171", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling time-macros v0.2.16
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling oorandom v11.1.3
[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] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling time v0.3.31
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.111
[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/option_filter_interest_caching.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | 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] 8 | use tracing_core::{expect, layer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tracing_mock`
[INFO] [stdout]  --> tests/layer_filter_interests_are_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/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[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/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/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/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/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/cached_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/cached_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] warning: unused import: `Subscriber`
[INFO] [stdout]  --> tests/layer_filter_interests_are_cached.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{Level, Subscriber};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "layer_filter_interests_are_cached") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `layer`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:25:37
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (info_layer, info_handle) = layer::named("info")
[INFO] [stdout]    |                                     ^^^^^ use of undeclared crate or module `layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         .event(expect::event().at_level(Level::INFO))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |         .event(expect::event().at_level(Level::WARN))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |         .event(expect::event().at_level(Level::ERROR))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |         .event(expect::event().at_level(Level::INFO))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         .event(expect::event().at_level(Level::WARN))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         .event(expect::event().at_level(Level::ERROR))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Layer`
[INFO] [stdout]  --> tests/option_filter_interest_caching.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing_subscriber::{filter, prelude::*, Layer};
[INFO] [stdout]   |                                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `layer`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:37:37
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let (warn_layer, warn_handle) = layer::named("warn")
[INFO] [stdout]    |                                     ^^^^^ use of undeclared crate or module `layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         .event(expect::event().at_level(Level::WARN))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         .event(expect::event().at_level(Level::ERROR))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .event(expect::event().at_level(Level::WARN))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |         .event(expect::event().at_level(Level::ERROR))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Subscriber`
[INFO] [stdout]  --> tests/hinted_layer_filters_dont_break_other_layers.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing::{Level, Metadata, Subscriber};
[INFO] [stdout]   |                                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "option_filter_interest_caching") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[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] [stdout] error: aborting due to 2 previous errors
[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] 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] 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 3 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "cached_layer_filters_dont_break_other_layers") due to 3 previous errors
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "unhinted_layer_filters_dont_break_other_layers") due to 3 previous errors
[INFO] [stdout] error: aborting due to 14 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-subscriber` (test "vec_subscriber_filter_interests_cached") due to 15 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa6166932244826578ab77a86341cc80285914c338760375b8faaec06d097171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6166932244826578ab77a86341cc80285914c338760375b8faaec06d097171", kill_on_drop: false }`
[INFO] [stdout] fa6166932244826578ab77a86341cc80285914c338760375b8faaec06d097171
[INFO] testing tracing-subscriber-0.3.18 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate tracing-subscriber 0.3.18 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate tracing-subscriber 0.3.18 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dd44ce712057fb23c021f81c6dfc0a72117bae4f01cee397bfba9700a232dec
[INFO] running `Command { std: "docker" "start" "-a" "6dd44ce712057fb23c021f81c6dfc0a72117bae4f01cee397bfba9700a232dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dd44ce712057fb23c021f81c6dfc0a72117bae4f01cee397bfba9700a232dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd44ce712057fb23c021f81c6dfc0a72117bae4f01cee397bfba9700a232dec", kill_on_drop: false }`
[INFO] [stdout] 6dd44ce712057fb23c021f81c6dfc0a72117bae4f01cee397bfba9700a232dec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26698c43c919be450eb9a9240bb899fbf70ff7388f923e0791a6722ed6b4c346
[INFO] running `Command { std: "docker" "start" "-a" "26698c43c919be450eb9a9240bb899fbf70ff7388f923e0791a6722ed6b4c346", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.7
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "26698c43c919be450eb9a9240bb899fbf70ff7388f923e0791a6722ed6b4c346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26698c43c919be450eb9a9240bb899fbf70ff7388f923e0791a6722ed6b4c346", kill_on_drop: false }`
[INFO] [stdout] 26698c43c919be450eb9a9240bb899fbf70ff7388f923e0791a6722ed6b4c346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 700f8a8f67cbd4f5cd444de18d3b8d4e8a2312cf536fc656d924b37376a1aa9f
[INFO] running `Command { std: "docker" "start" "-a" "700f8a8f67cbd4f5cd444de18d3b8d4e8a2312cf536fc656d924b37376a1aa9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling time-macros v0.2.16
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[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] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling time v0.3.31
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[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/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[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/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] [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] 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[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/option_filter_interest_caching.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | 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] 8 | use tracing_core::{expect, layer};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `layer`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:25:37
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (info_layer, info_handle) = layer::named("info")
[INFO] [stdout]    |                                     ^^^^^ use of undeclared crate or module `layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         .event(expect::event().at_level(Level::INFO))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |         .event(expect::event().at_level(Level::WARN))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |         .event(expect::event().at_level(Level::ERROR))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Layer`
[INFO] [stdout]  --> tests/option_filter_interest_caching.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing_subscriber::{filter, prelude::*, Layer};
[INFO] [stdout]   |                                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |         .event(expect::event().at_level(Level::INFO))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         .event(expect::event().at_level(Level::WARN))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         .event(expect::event().at_level(Level::ERROR))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `layer`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:37:37
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let (warn_layer, warn_handle) = layer::named("warn")
[INFO] [stdout]    |                                     ^^^^^ use of undeclared crate or module `layer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         .event(expect::event().at_level(Level::WARN))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         .event(expect::event().at_level(Level::ERROR))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .event(expect::event().at_level(Level::WARN))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `expect`
[INFO] [stdout]   --> tests/vec_subscriber_filter_interests_cached.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |         .event(expect::event().at_level(Level::ERROR))
[INFO] [stdout]    |                ^^^^^^ use of undeclared crate or module `expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "option_filter_interest_caching") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Subscriber`
[INFO] [stdout]  --> tests/hinted_layer_filters_dont_break_other_layers.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing::{Level, Metadata, Subscriber};
[INFO] [stdout]   |                                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[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] 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] 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 3 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "unhinted_layer_filters_dont_break_other_layers") due to 3 previous errors
[INFO] [stdout] error: aborting due to 14 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-subscriber` (test "vec_subscriber_filter_interests_cached") due to 15 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: unused import: `Layer`
[INFO] [stdout]   --> tests/layer_filters/main.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing_subscriber::{filter, prelude::*, Layer};
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Layer`
[INFO] [stdout]  --> tests/layer_filters/option.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Layer,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::Subscriber`
[INFO] [stdout]  --> tests/layer_filters/option.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing::Subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 3 warnings emitted
[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 "layer_filters") due to 11 previous errors; 3 warnings emitted
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "700f8a8f67cbd4f5cd444de18d3b8d4e8a2312cf536fc656d924b37376a1aa9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700f8a8f67cbd4f5cd444de18d3b8d4e8a2312cf536fc656d924b37376a1aa9f", kill_on_drop: false }`
[INFO] [stdout] 700f8a8f67cbd4f5cd444de18d3b8d4e8a2312cf536fc656d924b37376a1aa9f
