[INFO] fetching crate tracing-subscriber 0.3.20...
[INFO] building tracing-subscriber-0.3.20 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tracing-subscriber 0.3.20 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tracing-subscriber 0.3.20
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-subscriber 0.3.20
[INFO] tweaked toml for crates.io crate tracing-subscriber 0.3.20 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-subscriber 0.3.20 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-subscriber 0.3.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.10
[INFO] [stderr]   Downloaded valuable-serde v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14c5dc7094b8c4f5387c337439e24b396e6972d69311654a20d84421594c09c8
[INFO] running `Command { std: "docker" "start" "-a" "14c5dc7094b8c4f5387c337439e24b396e6972d69311654a20d84421594c09c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c5dc7094b8c4f5387c337439e24b396e6972d69311654a20d84421594c09c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c5dc7094b8c4f5387c337439e24b396e6972d69311654a20d84421594c09c8", kill_on_drop: false }`
[INFO] [stdout] 14c5dc7094b8c4f5387c337439e24b396e6972d69311654a20d84421594c09c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2fd78669d07ba8eef1196c93c75f92c26f066f311629f02d468ecf6978d78e2
[INFO] running `Command { std: "docker" "start" "-a" "c2fd78669d07ba8eef1196c93c75f92c26f066f311629f02d468ecf6978d78e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "c2fd78669d07ba8eef1196c93c75f92c26f066f311629f02d468ecf6978d78e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fd78669d07ba8eef1196c93c75f92c26f066f311629f02d468ecf6978d78e2", kill_on_drop: false }`
[INFO] [stdout] c2fd78669d07ba8eef1196c93c75f92c26f066f311629f02d468ecf6978d78e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e70fd6ed42d42ef6f3587b6ff8295a48b8ae8bd3ef91d16995223a787edc405
[INFO] running `Command { std: "docker" "start" "-a" "0e70fd6ed42d42ef6f3587b6ff8295a48b8ae8bd3ef91d16995223a787edc405", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling criterion v0.3.6
[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 unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 - use tracing_mock::{expect, layer};
[INFO] [stdout] 7 + use tracing_core::{expect, layer};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `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 unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use tracing_mock::{
[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 unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use tracing_mock::{
[INFO] [stdout] 3 + use tracing_core::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `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 unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use tracing_mock::{
[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 unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use tracing_mock::{
[INFO] [stdout] 3 + use tracing_core::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/multiple_layer_filter_interests_cached.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let info_layer = info_layer.with_filter(filter);
[INFO] [stdout]    |                                 ^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/multiple_layer_filter_interests_cached.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let warn_layer = warn_layer.with_filter(filter);
[INFO] [stdout]    |                                 ^^^^^^^^^^^ cannot infer type
[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[E0282]: type annotations needed
[INFO] [stdout]    --> tests/multiple_layer_filter_interests_cached.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |     info_handle.assert_finished();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> tests/multiple_layer_filter_interests_cached.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |     warn_handle.assert_finished();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "cached_layer_filters_dont_break_other_layers") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 - use tracing_mock::*;
[INFO] [stdout] 3 + use tracing_core::*;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "multiple_layer_filter_interests_cached") due to 5 previous errors
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/utils.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _guard = subscriber.set_default();
[INFO] [stdout]    |                             ^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/utils.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |     finished.assert_finished();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ cannot infer type
[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] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "unhinted_layer_filters_dont_break_other_layers") due to 2 previous errors
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "utils") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "0e70fd6ed42d42ef6f3587b6ff8295a48b8ae8bd3ef91d16995223a787edc405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e70fd6ed42d42ef6f3587b6ff8295a48b8ae8bd3ef91d16995223a787edc405", kill_on_drop: false }`
[INFO] [stdout] 0e70fd6ed42d42ef6f3587b6ff8295a48b8ae8bd3ef91d16995223a787edc405