[INFO] fetching crate tracing-error 0.2.1...
[INFO] testing tracing-error-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate tracing-error 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tracing-error 0.2.1
[INFO] finished tweaking crates.io crate tracing-error 0.2.1
[INFO] tweaked toml for crates.io crate tracing-error 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-error 0.2.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 746369309c3575906dd6a0c5b9aa393515c005cca41b43b3902bd03bcc47767c
[INFO] running `Command { std: "docker" "start" "-a" "746369309c3575906dd6a0c5b9aa393515c005cca41b43b3902bd03bcc47767c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "746369309c3575906dd6a0c5b9aa393515c005cca41b43b3902bd03bcc47767c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746369309c3575906dd6a0c5b9aa393515c005cca41b43b3902bd03bcc47767c", kill_on_drop: false }`
[INFO] [stdout] 746369309c3575906dd6a0c5b9aa393515c005cca41b43b3902bd03bcc47767c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7be744c227edbcb053a80edc167f8bbc6363ca98cfe82d26bc20bdf932cf10dc
[INFO] running `Command { std: "docker" "start" "-a" "7be744c227edbcb053a80edc167f8bbc6363ca98cfe82d26bc20bdf932cf10dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling tracing-error v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "7be744c227edbcb053a80edc167f8bbc6363ca98cfe82d26bc20bdf932cf10dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be744c227edbcb053a80edc167f8bbc6363ca98cfe82d26bc20bdf932cf10dc", kill_on_drop: false }`
[INFO] [stdout] 7be744c227edbcb053a80edc167f8bbc6363ca98cfe82d26bc20bdf932cf10dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17b1675308d9d5dab10974f7e11aaafb29ae3b8c90df51502c45092d08cb0b3
[INFO] running `Command { std: "docker" "start" "-a" "b17b1675308d9d5dab10974f7e11aaafb29ae3b8c90df51502c45092d08cb0b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-error v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "b17b1675308d9d5dab10974f7e11aaafb29ae3b8c90df51502c45092d08cb0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17b1675308d9d5dab10974f7e11aaafb29ae3b8c90df51502c45092d08cb0b3", kill_on_drop: false }`
[INFO] [stdout] b17b1675308d9d5dab10974f7e11aaafb29ae3b8c90df51502c45092d08cb0b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa7b2f9fa38a08193fc697946735e5ced65f21f0ed9eec071c296806a728bce9
[INFO] running `Command { std: "docker" "start" "-a" "aa7b2f9fa38a08193fc697946735e5ced65f21f0ed9eec071c296806a728bce9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_error-4f5caa833189c320)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test backtrace::tests::capture_unsupported ... ok
[INFO] [stdout] test backtrace::tests::capture_supported ... ok
[INFO] [stdout] test backtrace::tests::capture_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_error
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - (line 80) ... ok
[INFO] [stdout] test src/lib.rs - (line 124) ... ok
[INFO] [stdout] test src/backtrace.rs - backtrace::SpanTrace::capture (line 79) ... FAILED
[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/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/error.rs - error::InstrumentResult::in_current_span (line 226) ... ok
[INFO] [stdout] test src/error.rs - error::InstrumentError::in_current_span (line 203) ... ok
[INFO] [stdout] test src/lib.rs - (line 145) ... ok
[INFO] [stdout] test src/error.rs - error::TracedError (line 18) - compile fail ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/backtrace.rs - backtrace::SpanTrace::capture (line 79) 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]  90 | #[tracing::instrument]
[INFO] [stdout]     |            ^^^^^^^^^^ could not find `instrument` in `tracing`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.41/src/lib.rs:972:29
[INFO] [stdout]     |
[INFO] [stdout] 969 | #[cfg(feature = "attributes")]
[INFO] [stdout]     |       ---------------------- the item is gated behind the `attributes` feature
[INFO] [stdout] ...
[INFO] [stdout] 972 | pub use tracing_attributes::instrument;
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 79)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "aa7b2f9fa38a08193fc697946735e5ced65f21f0ed9eec071c296806a728bce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7b2f9fa38a08193fc697946735e5ced65f21f0ed9eec071c296806a728bce9", kill_on_drop: false }`
[INFO] [stdout] aa7b2f9fa38a08193fc697946735e5ced65f21f0ed9eec071c296806a728bce9