[INFO] fetching crate tracing-span-tree 0.1.0...
[INFO] testing tracing-span-tree-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tracing-span-tree 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tracing-span-tree 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-span-tree 0.1.0
[INFO] finished tweaking crates.io crate tracing-span-tree 0.1.0
[INFO] tweaked toml for crates.io crate tracing-span-tree 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bfdd7bb96819a4e464d397c0330305901af0777ec20e8bf570432dc213df5ae
[INFO] running `Command { std: "docker" "start" "-a" "3bfdd7bb96819a4e464d397c0330305901af0777ec20e8bf570432dc213df5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bfdd7bb96819a4e464d397c0330305901af0777ec20e8bf570432dc213df5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfdd7bb96819a4e464d397c0330305901af0777ec20e8bf570432dc213df5ae", kill_on_drop: false }`
[INFO] [stdout] 3bfdd7bb96819a4e464d397c0330305901af0777ec20e8bf570432dc213df5ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ffc1569b9bd93fff23fdefaf6e16a95ec3164ff5f14d7dc9a905f7e4638eefd
[INFO] running `Command { std: "docker" "start" "-a" "1ffc1569b9bd93fff23fdefaf6e16a95ec3164ff5f14d7dc9a905f7e4638eefd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[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 serde_json v1.0.79
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling tracing-span-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::parent_id`: this method cannot properly support per-layer filtering, and may return the `Id` of a disabled span if per-layer filtering is in use. use `.parent().map(SpanRef::id)` instead.
[INFO] [stdout]    --> src/lib.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |         match span.parent_id() {
[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 10.93s
[INFO] running `Command { std: "docker" "inspect" "1ffc1569b9bd93fff23fdefaf6e16a95ec3164ff5f14d7dc9a905f7e4638eefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffc1569b9bd93fff23fdefaf6e16a95ec3164ff5f14d7dc9a905f7e4638eefd", kill_on_drop: false }`
[INFO] [stdout] 1ffc1569b9bd93fff23fdefaf6e16a95ec3164ff5f14d7dc9a905f7e4638eefd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d52ff53fe37b4173652b9f9f44de45ae8be2bd3002e8d4a4d2558b555685a2
[INFO] running `Command { std: "docker" "start" "-a" "e7d52ff53fe37b4173652b9f9f44de45ae8be2bd3002e8d4a4d2558b555685a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-span-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::parent_id`: this method cannot properly support per-layer filtering, and may return the `Id` of a disabled span if per-layer filtering is in use. use `.parent().map(SpanRef::id)` instead.
[INFO] [stdout]    --> src/lib.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |         match span.parent_id() {
[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>::parent_id`: this method cannot properly support per-layer filtering, and may return the `Id` of a disabled span if per-layer filtering is in use. use `.parent().map(SpanRef::id)` instead.
[INFO] [stdout]    --> src/lib.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |         match span.parent_id() {
[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 1.34s
[INFO] running `Command { std: "docker" "inspect" "e7d52ff53fe37b4173652b9f9f44de45ae8be2bd3002e8d4a4d2558b555685a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d52ff53fe37b4173652b9f9f44de45ae8be2bd3002e8d4a4d2558b555685a2", kill_on_drop: false }`
[INFO] [stdout] e7d52ff53fe37b4173652b9f9f44de45ae8be2bd3002e8d4a4d2558b555685a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6fc36ff6e539c8df44c4baf49a8f989ca8c3d5f3e825aa34307d3a8dcab7a9ec
[INFO] running `Command { std: "docker" "start" "-a" "6fc36ff6e539c8df44c4baf49a8f989ca8c3d5f3e825aa34307d3a8dcab7a9ec", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::parent_id`: this method cannot properly support per-layer filtering, and may return the `Id` of a disabled span if per-layer filtering is in use. use `.parent().map(SpanRef::id)` instead.
[INFO] [stderr]    --> src/lib.rs:112:20
[INFO] [stderr]     |
[INFO] [stderr] 112 |         match span.parent_id() {
[INFO] [stderr]     |                    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-span-tree` (lib) generated 1 warning
[INFO] [stderr] warning: `tracing-span-tree` (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_span_tree-9d819122022f7618)
[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/it.rs (/opt/rustwide/target/debug/deps/it-2bfa5fdac4b7b4c2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test aggregated ... ok
[INFO] [stdout] test not_aggregated ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-span-tree
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6fc36ff6e539c8df44c4baf49a8f989ca8c3d5f3e825aa34307d3a8dcab7a9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc36ff6e539c8df44c4baf49a8f989ca8c3d5f3e825aa34307d3a8dcab7a9ec", kill_on_drop: false }`
[INFO] [stdout] 6fc36ff6e539c8df44c4baf49a8f989ca8c3d5f3e825aa34307d3a8dcab7a9ec