[INFO] fetching crate tracing-flame 0.1.0...
[INFO] checking tracing-flame-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate tracing-flame 0.1.0 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate tracing-flame 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-flame 0.1.0
[INFO] finished tweaking crates.io crate tracing-flame 0.1.0
[INFO] tweaked toml for crates.io crate tracing-flame 0.1.0 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25c85b6566b0640a429d17c6cab5cb6a6f02a8e1797b8e7085abbea59c186095
[INFO] running `Command { std: "docker" "start" "-a" "25c85b6566b0640a429d17c6cab5cb6a6f02a8e1797b8e7085abbea59c186095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c85b6566b0640a429d17c6cab5cb6a6f02a8e1797b8e7085abbea59c186095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c85b6566b0640a429d17c6cab5cb6a6f02a8e1797b8e7085abbea59c186095", kill_on_drop: false }`
[INFO] [stdout] 25c85b6566b0640a429d17c6cab5cb6a6f02a8e1797b8e7085abbea59c186095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47e8a4bcf98f707b6f593985d7787a3040a634f6c86648e3bce732e44456b75f
[INFO] running `Command { std: "docker" "start" "-a" "47e8a4bcf98f707b6f593985d7787a3040a634f6c86648e3bce732e44456b75f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-flame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::from_root`: equivalent to `self.parent().into_iter().flat_map(|span| span.scope().from_root())`, but consider whether excluding `self` is actually intended
[INFO] [stdout]    --> src/lib.rs:358:48
[INFO] [stdout]     |
[INFO] [stdout] 358 |         if !self.config.empty_samples && first.from_root().count() == 0 {
[INFO] [stdout]     |                                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::from_root`: equivalent to `self.parent().into_iter().flat_map(|span| span.scope().from_root())`, but consider whether excluding `self` is actually intended
[INFO] [stdout]    --> src/lib.rs:362:29
[INFO] [stdout]     |
[INFO] [stdout] 362 |         let parents = first.from_root();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::from_root`: equivalent to `self.parent().into_iter().flat_map(|span| span.scope().from_root())`, but consider whether excluding `self` is actually intended
[INFO] [stdout]    --> src/lib.rs:404:29
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let parents = first.from_root();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::from_root`: equivalent to `self.parent().into_iter().flat_map(|span| span.scope().from_root())`, but consider whether excluding `self` is actually intended
[INFO] [stdout]    --> src/lib.rs:358:48
[INFO] [stdout]     |
[INFO] [stdout] 358 |         if !self.config.empty_samples && first.from_root().count() == 0 {
[INFO] [stdout]     |                                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::from_root`: equivalent to `self.parent().into_iter().flat_map(|span| span.scope().from_root())`, but consider whether excluding `self` is actually intended
[INFO] [stdout]    --> src/lib.rs:362:29
[INFO] [stdout]     |
[INFO] [stdout] 362 |         let parents = first.from_root();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::from_root`: equivalent to `self.parent().into_iter().flat_map(|span| span.scope().from_root())`, but consider whether excluding `self` is actually intended
[INFO] [stdout]    --> src/lib.rs:404:29
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let parents = first.from_root();
[INFO] [stdout]     |                             ^^^^^^^^^
[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 [unoptimized + debuginfo] target(s) in 14.41s
[INFO] running `Command { std: "docker" "inspect" "47e8a4bcf98f707b6f593985d7787a3040a634f6c86648e3bce732e44456b75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e8a4bcf98f707b6f593985d7787a3040a634f6c86648e3bce732e44456b75f", kill_on_drop: false }`
[INFO] [stdout] 47e8a4bcf98f707b6f593985d7787a3040a634f6c86648e3bce732e44456b75f