[INFO] fetching crate tracing-error 0.1.2...
[INFO] testing tracing-error-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tracing-error 0.1.2 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate tracing-error 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-error 0.1.2
[INFO] finished tweaking crates.io crate tracing-error 0.1.2
[INFO] tweaked toml for crates.io crate tracing-error 0.1.2 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25b5d8f11ff7bdf53244c0b1a24faeb1e657ccc22ee19974e05e68c9f78ebbcd
[INFO] running `Command { std: "docker" "start" "-a" "25b5d8f11ff7bdf53244c0b1a24faeb1e657ccc22ee19974e05e68c9f78ebbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b5d8f11ff7bdf53244c0b1a24faeb1e657ccc22ee19974e05e68c9f78ebbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b5d8f11ff7bdf53244c0b1a24faeb1e657ccc22ee19974e05e68c9f78ebbcd", kill_on_drop: false }`
[INFO] [stdout] 25b5d8f11ff7bdf53244c0b1a24faeb1e657ccc22ee19974e05e68c9f78ebbcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7461b10e45f71649c8f896865ba1aa5a3b3a644c0d08799c00d8b9db3bca5bf
[INFO] running `Command { std: "docker" "start" "-a" "b7461b10e45f71649c8f896865ba1aa5a3b3a644c0d08799c00d8b9db3bca5bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tracing-error v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::parents`: equivalent to `self.parent().into_iter().flat_map(SpanRef::scope)`, but consider whether excluding `self` is actually intended
[INFO] [stdout]   --> src/layer.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let parents = span.parents();
[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 13.13s
[INFO] running `Command { std: "docker" "inspect" "b7461b10e45f71649c8f896865ba1aa5a3b3a644c0d08799c00d8b9db3bca5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7461b10e45f71649c8f896865ba1aa5a3b3a644c0d08799c00d8b9db3bca5bf", kill_on_drop: false }`
[INFO] [stdout] b7461b10e45f71649c8f896865ba1aa5a3b3a644c0d08799c00d8b9db3bca5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b7492df287255616f734107dcb67e5b9427019d02dda33e087d5142d2acf32
[INFO] running `Command { std: "docker" "start" "-a" "a3b7492df287255616f734107dcb67e5b9427019d02dda33e087d5142d2acf32", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::parents`: equivalent to `self.parent().into_iter().flat_map(SpanRef::scope)`, but consider whether excluding `self` is actually intended
[INFO] [stdout]   --> src/layer.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let parents = span.parents();
[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]    Compiling tracing-error v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::parents`: equivalent to `self.parent().into_iter().flat_map(SpanRef::scope)`, but consider whether excluding `self` is actually intended
[INFO] [stdout]   --> src/layer.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let parents = span.parents();
[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 1.17s
[INFO] running `Command { std: "docker" "inspect" "a3b7492df287255616f734107dcb67e5b9427019d02dda33e087d5142d2acf32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b7492df287255616f734107dcb67e5b9427019d02dda33e087d5142d2acf32", kill_on_drop: false }`
[INFO] [stdout] a3b7492df287255616f734107dcb67e5b9427019d02dda33e087d5142d2acf32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdf33741f2d6f05c10a51955220b112aa0cdb8170a652fbc9b90b26fde0491d3
[INFO] running `Command { std: "docker" "start" "-a" "fdf33741f2d6f05c10a51955220b112aa0cdb8170a652fbc9b90b26fde0491d3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `tracing_subscriber::registry::SpanRef::<'a, R>::parents`: equivalent to `self.parent().into_iter().flat_map(SpanRef::scope)`, but consider whether excluding `self` is actually intended
[INFO] [stdout] running 3 tests
[INFO] [stderr]   --> src/layer.rs:93:28
[INFO] [stdout] test backtrace::tests::capture_supported ... ok
[INFO] [stderr]    |
[INFO] [stdout] test backtrace::tests::capture_empty ... ok
[INFO] [stderr] 93 |         let parents = span.parents();
[INFO] [stdout] test backtrace::tests::capture_unsupported ... ok
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-error` (lib) generated 1 warning
[INFO] [stderr] warning: `tracing-error` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_error-a8156110bed39ae2)
[INFO] [stderr]    Doc-tests tracing-error
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/error.rs - error::TracedError (line 18) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/error.rs - error::InstrumentResult::in_current_span (line 211) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] test src/error.rs - error::InstrumentError::in_current_span (line 188) ... ok
[INFO] [stdout] test src/error.rs - error::ExtractSpanTrace::span_trace (line 244) ... ok
[INFO] [stdout] test src/backtrace.rs - backtrace::SpanTrace::capture (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fdf33741f2d6f05c10a51955220b112aa0cdb8170a652fbc9b90b26fde0491d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf33741f2d6f05c10a51955220b112aa0cdb8170a652fbc9b90b26fde0491d3", kill_on_drop: false }`
[INFO] [stdout] fdf33741f2d6f05c10a51955220b112aa0cdb8170a652fbc9b90b26fde0491d3