[INFO] fetching crate tracing-subscriber 0.3.20...
[INFO] testing tracing-subscriber-0.3.20 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate tracing-subscriber 0.3.20 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-subscriber 0.3.20 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdc3f3a6576f05ff6f7554d9c2e3e29bd26bb7271db22578e8bf5652b596c0d9
[INFO] running `Command { std: "docker" "start" "-a" "cdc3f3a6576f05ff6f7554d9c2e3e29bd26bb7271db22578e8bf5652b596c0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdc3f3a6576f05ff6f7554d9c2e3e29bd26bb7271db22578e8bf5652b596c0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc3f3a6576f05ff6f7554d9c2e3e29bd26bb7271db22578e8bf5652b596c0d9", kill_on_drop: false }`
[INFO] [stdout] cdc3f3a6576f05ff6f7554d9c2e3e29bd26bb7271db22578e8bf5652b596c0d9
[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=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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d964c68ef5e0f01eb7da9f5598e78de549e5d2279a7e9272be787ea406df06d
[INFO] running `Command { std: "docker" "start" "-a" "5d964c68ef5e0f01eb7da9f5598e78de549e5d2279a7e9272be787ea406df06d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[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 2.78s
[INFO] running `Command { std: "docker" "inspect" "5d964c68ef5e0f01eb7da9f5598e78de549e5d2279a7e9272be787ea406df06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d964c68ef5e0f01eb7da9f5598e78de549e5d2279a7e9272be787ea406df06d", kill_on_drop: false }`
[INFO] [stdout] 5d964c68ef5e0f01eb7da9f5598e78de549e5d2279a7e9272be787ea406df06d
[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=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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c26977aaf803394748c662e1ef8c5a95a57ed76f707409ec43fc2a83f2e6b848
[INFO] running `Command { std: "docker" "start" "-a" "c26977aaf803394748c662e1ef8c5a95a57ed76f707409ec43fc2a83f2e6b848", kill_on_drop: false }`
[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 textwrap v0.11.0
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[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/layer_filter_interests_are_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/layer_filters/boxed.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::layer::MockLayer;
[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] 2 - use tracing_mock::layer::MockLayer;
[INFO] [stdout] 2 + use tracing_core::layer::MockLayer;
[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 unresolved module or unlinked crate `tracing_mock`
[INFO] [stdout]  --> tests/layer_filters/filter_scopes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::{expect, layer::MockLayer};
[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] 2 - use tracing_mock::{expect, layer::MockLayer};
[INFO] [stdout] 2 + use tracing_core::{expect, layer::MockLayer};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-subscriber` (test "layer_filter_interests_are_cached") due to 1 previous error
[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::{expect, layer::MockLayer};
[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] 2 - use tracing_mock::{expect, layer::MockLayer};
[INFO] [stdout] 2 + use tracing_core::{expect, layer::MockLayer};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 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] 2 - use tracing_mock::{expect, layer};
[INFO] [stdout] 2 + 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/layer_filters/trees.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::{expect, layer::MockLayer};
[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] 2 - use tracing_mock::{expect, layer::MockLayer};
[INFO] [stdout] 2 + 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/trees.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_mock::{expect, layer::MockLayer};
[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] 2 - use tracing_mock::{expect, layer::MockLayer};
[INFO] [stdout] 2 + use tracing_core::{expect, layer::MockLayer};
[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/layer_filters/vec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing_mock::{expect, layer::MockLayer};
[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::{expect, layer::MockLayer};
[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 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::{expect, layer::MockLayer};
[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::{expect, layer, subscriber};
[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] 12 - use tracing_mock::{expect, layer, subscriber};
[INFO] [stdout] 12 + use tracing_core::{expect, layer, subscriber};
[INFO] [stdout]    |
[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 "cached_layer_filters_dont_break_other_layers") 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 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "c26977aaf803394748c662e1ef8c5a95a57ed76f707409ec43fc2a83f2e6b848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26977aaf803394748c662e1ef8c5a95a57ed76f707409ec43fc2a83f2e6b848", kill_on_drop: false }`
[INFO] [stdout] c26977aaf803394748c662e1ef8c5a95a57ed76f707409ec43fc2a83f2e6b848