[INFO] fetching crate tracing-flame 0.1.0...
[INFO] checking tracing-flame-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate tracing-flame 0.1.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate tracing-flame 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f00f090e69566053a8743996b65a0d810913604d97d8a9d6b96c92c36cc1bb7
[INFO] running `Command { std: "docker" "start" "-a" "5f00f090e69566053a8743996b65a0d810913604d97d8a9d6b96c92c36cc1bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f00f090e69566053a8743996b65a0d810913604d97d8a9d6b96c92c36cc1bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f00f090e69566053a8743996b65a0d810913604d97d8a9d6b96c92c36cc1bb7", kill_on_drop: false }`
[INFO] [stdout] 5f00f090e69566053a8743996b65a0d810913604d97d8a9d6b96c92c36cc1bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 260d269422e16853f85d865343cbe13017ac9d2ef7c41af016fd44454638eb3f
[INFO] running `Command { std: "docker" "start" "-a" "260d269422e16853f85d865343cbe13017ac9d2ef7c41af016fd44454638eb3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[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: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: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: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 17.94s
[INFO] running `Command { std: "docker" "inspect" "260d269422e16853f85d865343cbe13017ac9d2ef7c41af016fd44454638eb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260d269422e16853f85d865343cbe13017ac9d2ef7c41af016fd44454638eb3f", kill_on_drop: false }`
[INFO] [stdout] 260d269422e16853f85d865343cbe13017ac9d2ef7c41af016fd44454638eb3f