[INFO] fetching crate tracing-chrome 0.3.1...
[INFO] testing tracing-chrome-0.3.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate tracing-chrome 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tracing-chrome 0.3.1 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-chrome 0.3.1
[INFO] finished tweaking crates.io crate tracing-chrome 0.3.1
[INFO] tweaked toml for crates.io crate tracing-chrome 0.3.1 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 73327c5283e38559b06fc6cfdf145b576a93e39ea9c7eedede67d2d097b715b7
[INFO] running `Command { std: "docker" "start" "-a" "73327c5283e38559b06fc6cfdf145b576a93e39ea9c7eedede67d2d097b715b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73327c5283e38559b06fc6cfdf145b576a93e39ea9c7eedede67d2d097b715b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73327c5283e38559b06fc6cfdf145b576a93e39ea9c7eedede67d2d097b715b7", kill_on_drop: false }`
[INFO] [stdout] 73327c5283e38559b06fc6cfdf145b576a93e39ea9c7eedede67d2d097b715b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 17d2f81d5efd74ad5f6052b5b51830aa211b41dd1334d9dd56ebe6dc2645b395
[INFO] running `Command { std: "docker" "start" "-a" "17d2f81d5efd74ad5f6052b5b51830aa211b41dd1334d9dd56ebe6dc2645b395", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling tracing-chrome v0.3.1 (/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:421:14
[INFO] [stdout]     |
[INFO] [stdout] 421 |         span.from_root()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "17d2f81d5efd74ad5f6052b5b51830aa211b41dd1334d9dd56ebe6dc2645b395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d2f81d5efd74ad5f6052b5b51830aa211b41dd1334d9dd56ebe6dc2645b395", kill_on_drop: false }`
[INFO] [stdout] 17d2f81d5efd74ad5f6052b5b51830aa211b41dd1334d9dd56ebe6dc2645b395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9ddeef1c0703daa32c1a315c14de73b97f162e0ae305cbd1537ecc41679c0f0d
[INFO] running `Command { std: "docker" "start" "-a" "9ddeef1c0703daa32c1a315c14de73b97f162e0ae305cbd1537ecc41679c0f0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-chrome v0.3.1 (/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:421:14
[INFO] [stdout]     |
[INFO] [stdout] 421 |         span.from_root()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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:421:14
[INFO] [stdout]     |
[INFO] [stdout] 421 |         span.from_root()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "9ddeef1c0703daa32c1a315c14de73b97f162e0ae305cbd1537ecc41679c0f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ddeef1c0703daa32c1a315c14de73b97f162e0ae305cbd1537ecc41679c0f0d", kill_on_drop: false }`
[INFO] [stdout] 9ddeef1c0703daa32c1a315c14de73b97f162e0ae305cbd1537ecc41679c0f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 8ca01d01979cb951c5ea0129b96238e55ccb9e77148a22ddb55fc94d8d611ffd
[INFO] running `Command { std: "docker" "start" "-a" "8ca01d01979cb951c5ea0129b96238e55ccb9e77148a22ddb55fc94d8d611ffd", 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:421:14
[INFO] [stderr]     |
[INFO] [stderr] 421 |         span.from_root()
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-chrome` (lib) generated 1 warning
[INFO] [stderr] warning: `tracing-chrome` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_chrome-a51eb8ef00e2a2da)
[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]    Doc-tests tracing-chrome
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 4) - compile ... ok
[INFO] [stdout] test src/lib.rs - ChromeLayerBuilder<S>::category_fn (line 175) ... ok
[INFO] [stdout] test src/lib.rs - ChromeLayerBuilder<S>::name_fn (line 153) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ca01d01979cb951c5ea0129b96238e55ccb9e77148a22ddb55fc94d8d611ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca01d01979cb951c5ea0129b96238e55ccb9e77148a22ddb55fc94d8d611ffd", kill_on_drop: false }`
[INFO] [stdout] 8ca01d01979cb951c5ea0129b96238e55ccb9e77148a22ddb55fc94d8d611ffd