[INFO] fetching crate tracing-setup 0.3.6...
[INFO] checking tracing-setup-0.3.6 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate tracing-setup 0.3.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tracing-setup 0.3.6 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-setup 0.3.6
[INFO] finished tweaking crates.io crate tracing-setup 0.3.6
[INFO] tweaked toml for crates.io crate tracing-setup 0.3.6 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding matchers v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding regex-automata v0.1.10 (available: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding traced-test v0.3.6 (available: v0.5.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded export-magic v0.3.6
[INFO] [stderr]   Downloaded traced-test v0.3.6
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b7e0aec52425c148160a4547f2cbcc99008ab48625126d50c09b95b870f133e
[INFO] running `Command { std: "docker" "start" "-a" "5b7e0aec52425c148160a4547f2cbcc99008ab48625126d50c09b95b870f133e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b7e0aec52425c148160a4547f2cbcc99008ab48625126d50c09b95b870f133e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7e0aec52425c148160a4547f2cbcc99008ab48625126d50c09b95b870f133e", kill_on_drop: false }`
[INFO] [stdout] 5b7e0aec52425c148160a4547f2cbcc99008ab48625126d50c09b95b870f133e
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6c984aa745e4a6216b3ba87ed64ef9369ce9a754645527c35800e68b88e6677
[INFO] running `Command { std: "docker" "start" "-a" "c6c984aa745e4a6216b3ba87ed64ef9369ce9a754645527c35800e68b88e6677", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling traced-test v0.3.6
[INFO] [stderr]     Checking tracing-setup v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/buffered_layer.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     let metadata = event.metadata();
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/buffered_layer.rs:104:52
[INFO] [stdout]     |
[INFO] [stdout] 104 |                         fn record_debug(&mut self, field: &tracing::field::Field, value: &dyn std::fmt::Debug) {
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FullWithHeader` and `LogLineAndContents` are never constructed
[INFO] [stdout]   --> src/buffered_layer.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub enum EventPrintType {
[INFO] [stdout]    |                  -------------- variants in this enum
[INFO] [stdout] 45 |             FullWithHeader,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 46 |             LogLineAndContents,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/buffered_layer.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     let metadata = event.metadata();
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/buffered_layer.rs:104:52
[INFO] [stdout]     |
[INFO] [stdout] 104 |                         fn record_debug(&mut self, field: &tracing::field::Field, value: &dyn std::fmt::Debug) {
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FullWithHeader` and `LogLineAndContents` are never constructed
[INFO] [stdout]   --> src/buffered_layer.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub enum EventPrintType {
[INFO] [stdout]    |                  -------------- variants in this enum
[INFO] [stdout] 45 |             FullWithHeader,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 46 |             LogLineAndContents,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.93s
[INFO] running `Command { std: "docker" "inspect" "c6c984aa745e4a6216b3ba87ed64ef9369ce9a754645527c35800e68b88e6677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c984aa745e4a6216b3ba87ed64ef9369ce9a754645527c35800e68b88e6677", kill_on_drop: false }`
[INFO] [stdout] c6c984aa745e4a6216b3ba87ed64ef9369ce9a754645527c35800e68b88e6677