[INFO] fetching crate tracing-flame 0.1.0...
[INFO] testing tracing-flame-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate tracing-flame 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tracing-flame 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa27eb4d9d36ed6fdd0846853bd614637523824a0518c4de46e67d0ca3380112
[INFO] running `Command { std: "docker" "start" "-a" "aa27eb4d9d36ed6fdd0846853bd614637523824a0518c4de46e67d0ca3380112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa27eb4d9d36ed6fdd0846853bd614637523824a0518c4de46e67d0ca3380112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa27eb4d9d36ed6fdd0846853bd614637523824a0518c4de46e67d0ca3380112", kill_on_drop: false }`
[INFO] [stdout] aa27eb4d9d36ed6fdd0846853bd614637523824a0518c4de46e67d0ca3380112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ef6ed676b318f00c036e3eb7690fe19aec3d8de0e89a7b96764fed479ffb833
[INFO] running `Command { std: "docker" "start" "-a" "5ef6ed676b318f00c036e3eb7690fe19aec3d8de0e89a7b96764fed479ffb833", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.26
[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 13.31s
[INFO] running `Command { std: "docker" "inspect" "5ef6ed676b318f00c036e3eb7690fe19aec3d8de0e89a7b96764fed479ffb833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef6ed676b318f00c036e3eb7690fe19aec3d8de0e89a7b96764fed479ffb833", kill_on_drop: false }`
[INFO] [stdout] 5ef6ed676b318f00c036e3eb7690fe19aec3d8de0e89a7b96764fed479ffb833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc19c4c4f379a252dbfd4ecb62069517ca53f66c7eb2e705c6ed9a4a3eac7888
[INFO] running `Command { std: "docker" "start" "-a" "dc19c4c4f379a252dbfd4ecb62069517ca53f66c7eb2e705c6ed9a4a3eac7888", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[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 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 3.26s
[INFO] running `Command { std: "docker" "inspect" "dc19c4c4f379a252dbfd4ecb62069517ca53f66c7eb2e705c6ed9a4a3eac7888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc19c4c4f379a252dbfd4ecb62069517ca53f66c7eb2e705c6ed9a4a3eac7888", kill_on_drop: false }`
[INFO] [stdout] dc19c4c4f379a252dbfd4ecb62069517ca53f66c7eb2e705c6ed9a4a3eac7888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53e1f675a544cc2087c42b27773ef2a64313b01be72c0c06b6d3f8845aa3e640
[INFO] running `Command { std: "docker" "start" "-a" "53e1f675a544cc2087c42b27773ef2a64313b01be72c0c06b6d3f8845aa3e640", 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_flame-22ecc6d3a83d9178)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/collapsed.rs (/opt/rustwide/target/debug/deps/collapsed-195200fab949b39f)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/concurrent.rs (/opt/rustwide/target/debug/deps/concurrent-f1013efd598cfa22)
[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 0.63s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-flame
[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 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53e1f675a544cc2087c42b27773ef2a64313b01be72c0c06b6d3f8845aa3e640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e1f675a544cc2087c42b27773ef2a64313b01be72c0c06b6d3f8845aa3e640", kill_on_drop: false }`
[INFO] [stdout] 53e1f675a544cc2087c42b27773ef2a64313b01be72c0c06b6d3f8845aa3e640