[INFO] fetching crate tracing-error 0.2.0...
[INFO] testing tracing-error-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate tracing-error 0.2.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate tracing-error 0.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-error 0.2.0
[INFO] finished tweaking crates.io crate tracing-error 0.2.0
[INFO] tweaked toml for crates.io crate tracing-error 0.2.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1410900de53025ec61a5bb79adc37425df892b1caede9efc47e70d8d61ee9d1
[INFO] running `Command { std: "docker" "start" "-a" "e1410900de53025ec61a5bb79adc37425df892b1caede9efc47e70d8d61ee9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1410900de53025ec61a5bb79adc37425df892b1caede9efc47e70d8d61ee9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1410900de53025ec61a5bb79adc37425df892b1caede9efc47e70d8d61ee9d1", kill_on_drop: false }`
[INFO] [stdout] e1410900de53025ec61a5bb79adc37425df892b1caede9efc47e70d8d61ee9d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5590417fe40d5ab0634e2d59663394d7071015fe7f3d4ca2c4cfd1df4f643f82
[INFO] running `Command { std: "docker" "start" "-a" "5590417fe40d5ab0634e2d59663394d7071015fe7f3d4ca2c4cfd1df4f643f82", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[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 v0.1.29
[INFO] [stderr]    Compiling tracing-subscriber v0.3.3
[INFO] [stderr]    Compiling tracing-error v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "5590417fe40d5ab0634e2d59663394d7071015fe7f3d4ca2c4cfd1df4f643f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5590417fe40d5ab0634e2d59663394d7071015fe7f3d4ca2c4cfd1df4f643f82", kill_on_drop: false }`
[INFO] [stdout] 5590417fe40d5ab0634e2d59663394d7071015fe7f3d4ca2c4cfd1df4f643f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62356a24f998d6d3eb91ef54062fa69c366401c66334563fb273238a5e47929d
[INFO] running `Command { std: "docker" "start" "-a" "62356a24f998d6d3eb91ef54062fa69c366401c66334563fb273238a5e47929d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tracing-error v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "62356a24f998d6d3eb91ef54062fa69c366401c66334563fb273238a5e47929d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62356a24f998d6d3eb91ef54062fa69c366401c66334563fb273238a5e47929d", kill_on_drop: false }`
[INFO] [stdout] 62356a24f998d6d3eb91ef54062fa69c366401c66334563fb273238a5e47929d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f17ca7d78a286871375266af77b37b63520ceaee16624ece2e415b79e348da8
[INFO] running `Command { std: "docker" "start" "-a" "0f17ca7d78a286871375266af77b37b63520ceaee16624ece2e415b79e348da8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_error-5f0994ee936943a1)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test backtrace::tests::capture_empty ... ok
[INFO] [stdout] test backtrace::tests::capture_supported ... ok
[INFO] [stdout] test backtrace::tests::capture_unsupported ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-error
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/backtrace.rs - backtrace::SpanTrace::capture (line 80) ... FAILED
[INFO] [stdout] test src/error.rs - error::TracedError (line 18) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 124) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 97) ... ok
[INFO] [stdout] test src/error.rs - error::ExtractSpanTrace::span_trace (line 259) ... ok
[INFO] [stdout] test src/error.rs - error::InstrumentError::in_current_span (line 203) ... ok
[INFO] [stdout] test src/error.rs - error::InstrumentResult::in_current_span (line 226) ... ok
[INFO] [stdout] test src/lib.rs - (line 80) ... ok
[INFO] [stdout] test src/lib.rs - (line 145) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/backtrace.rs - backtrace::SpanTrace::capture (line 80) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `instrument` in `tracing`
[INFO] [stdout]   --> src/backtrace.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[tracing::instrument]
[INFO] [stdout]    |            ^^^^^^^^^^ could not find `instrument` in `tracing`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/backtrace.rs - backtrace::SpanTrace::capture (line 80)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "0f17ca7d78a286871375266af77b37b63520ceaee16624ece2e415b79e348da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f17ca7d78a286871375266af77b37b63520ceaee16624ece2e415b79e348da8", kill_on_drop: false }`
[INFO] [stdout] 0f17ca7d78a286871375266af77b37b63520ceaee16624ece2e415b79e348da8