[INFO] fetching crate tracing-flame 0.1.0...
[INFO] testing tracing-flame-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate tracing-flame 0.1.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate tracing-flame 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b072fe1adb9120ba7d80011e3a9dbfbe051b731cdc0db3e90ef661157bf262e
[INFO] running `Command { std: "docker" "start" "-a" "1b072fe1adb9120ba7d80011e3a9dbfbe051b731cdc0db3e90ef661157bf262e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b072fe1adb9120ba7d80011e3a9dbfbe051b731cdc0db3e90ef661157bf262e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b072fe1adb9120ba7d80011e3a9dbfbe051b731cdc0db3e90ef661157bf262e", kill_on_drop: false }`
[INFO] [stdout] 1b072fe1adb9120ba7d80011e3a9dbfbe051b731cdc0db3e90ef661157bf262e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdb3c71c56a757616ec89ab63056246dbe14afdee89476933cc89bb48200257e
[INFO] running `Command { std: "docker" "start" "-a" "cdb3c71c56a757616ec89ab63056246dbe14afdee89476933cc89bb48200257e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.42s
[INFO] running `Command { std: "docker" "inspect" "cdb3c71c56a757616ec89ab63056246dbe14afdee89476933cc89bb48200257e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb3c71c56a757616ec89ab63056246dbe14afdee89476933cc89bb48200257e", kill_on_drop: false }`
[INFO] [stdout] cdb3c71c56a757616ec89ab63056246dbe14afdee89476933cc89bb48200257e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5927effe9c99ec0c4ae9f0cb58affc7971c68f9f87da52ab21bb2a991b11c89
[INFO] running `Command { std: "docker" "start" "-a" "b5927effe9c99ec0c4ae9f0cb58affc7971c68f9f87da52ab21bb2a991b11c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[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] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.70s
[INFO] running `Command { std: "docker" "inspect" "b5927effe9c99ec0c4ae9f0cb58affc7971c68f9f87da52ab21bb2a991b11c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5927effe9c99ec0c4ae9f0cb58affc7971c68f9f87da52ab21bb2a991b11c89", kill_on_drop: false }`
[INFO] [stdout] b5927effe9c99ec0c4ae9f0cb58affc7971c68f9f87da52ab21bb2a991b11c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cdea6d6579942629a694de94802502c63307de86793873d6b06d47d4b250e69
[INFO] running `Command { std: "docker" "start" "-a" "4cdea6d6579942629a694de94802502c63307de86793873d6b06d47d4b250e69", kill_on_drop: false }`
[INFO] [stderr] 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] [stderr]    --> src/lib.rs:358:48
[INFO] [stderr]     |
[INFO] [stderr] 358 |         if !self.config.empty_samples && first.from_root().count() == 0 {
[INFO] [stderr]     |                                                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> src/lib.rs:362:29
[INFO] [stderr]     |
[INFO] [stderr] 362 |         let parents = first.from_root();
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> src/lib.rs:404:29
[INFO] [stderr]     |
[INFO] [stderr] 404 |         let parents = first.from_root();
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-flame` (lib) generated 3 warnings
[INFO] [stderr] warning: `tracing-flame` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_flame-2df3b78173e1c49c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/collapsed.rs (/opt/rustwide/target/debug/deps/collapsed-9cfa6e00fce2366b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/concurrent.rs (/opt/rustwide/target/debug/deps/concurrent-84bacab97577ce50)
[INFO] [stdout] test capture_supported ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests tracing-flame
[INFO] [stdout] test capture_supported ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4cdea6d6579942629a694de94802502c63307de86793873d6b06d47d4b250e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdea6d6579942629a694de94802502c63307de86793873d6b06d47d4b250e69", kill_on_drop: false }`
[INFO] [stdout] 4cdea6d6579942629a694de94802502c63307de86793873d6b06d47d4b250e69