[INFO] fetching crate tracing-forest 0.3.0...
[INFO] checking tracing-forest-0.3.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate tracing-forest 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tracing-forest 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-forest 0.3.0
[INFO] tweaked toml for crates.io crate tracing-forest 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-forest 0.3.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-forest 0.3.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be8936d720b23f8a1ed836eefe449df4852973543c0787ed8a20a36f7a118af6
[INFO] running `Command { std: "docker" "start" "-a" "be8936d720b23f8a1ed836eefe449df4852973543c0787ed8a20a36f7a118af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be8936d720b23f8a1ed836eefe449df4852973543c0787ed8a20a36f7a118af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8936d720b23f8a1ed836eefe449df4852973543c0787ed8a20a36f7a118af6", kill_on_drop: false }`
[INFO] [stdout] be8936d720b23f8a1ed836eefe449df4852973543c0787ed8a20a36f7a118af6
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80a27881a88b996c92235b4b9ca3a1d13ad2f2bce33d736a1f98fd4e4bf171a5
[INFO] running `Command { std: "docker" "start" "-a" "80a27881a88b996c92235b4b9ca3a1d13ad2f2bce33d736a1f98fd4e4bf171a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.9
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-forest v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `crate::cfg_uuid`
[INFO] [stdout]    --> src/fail.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use crate::cfg_uuid;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-forest` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "80a27881a88b996c92235b4b9ca3a1d13ad2f2bce33d736a1f98fd4e4bf171a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a27881a88b996c92235b4b9ca3a1d13ad2f2bce33d736a1f98fd4e4bf171a5", kill_on_drop: false }`
[INFO] [stdout] 80a27881a88b996c92235b4b9ca3a1d13ad2f2bce33d736a1f98fd4e4bf171a5