[INFO] fetching crate tracing-error 0.2.0...
[INFO] testing tracing-error-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate tracing-error 0.2.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate tracing-error 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca20196e4d7911363771613c8f2a5bd23b2fb905ad5ed2cb658ad2607814c97f
[INFO] running `Command { std: "docker" "start" "-a" "ca20196e4d7911363771613c8f2a5bd23b2fb905ad5ed2cb658ad2607814c97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca20196e4d7911363771613c8f2a5bd23b2fb905ad5ed2cb658ad2607814c97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca20196e4d7911363771613c8f2a5bd23b2fb905ad5ed2cb658ad2607814c97f", kill_on_drop: false }`
[INFO] [stdout] ca20196e4d7911363771613c8f2a5bd23b2fb905ad5ed2cb658ad2607814c97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa6cf4e5f45e0089ab9347fb193eec7ba17206b88b9b4406b5769fafb97d988b
[INFO] running `Command { std: "docker" "start" "-a" "fa6cf4e5f45e0089ab9347fb193eec7ba17206b88b9b4406b5769fafb97d988b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[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 v0.3.2
[INFO] [stderr]    Compiling tracing-error v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "fa6cf4e5f45e0089ab9347fb193eec7ba17206b88b9b4406b5769fafb97d988b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6cf4e5f45e0089ab9347fb193eec7ba17206b88b9b4406b5769fafb97d988b", kill_on_drop: false }`
[INFO] [stdout] fa6cf4e5f45e0089ab9347fb193eec7ba17206b88b9b4406b5769fafb97d988b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 853152e2af5393ee9f65e8d2ab14bd4bd51bd68fa089497e449ed6858ec49476
[INFO] running `Command { std: "docker" "start" "-a" "853152e2af5393ee9f65e8d2ab14bd4bd51bd68fa089497e449ed6858ec49476", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-error v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "853152e2af5393ee9f65e8d2ab14bd4bd51bd68fa089497e449ed6858ec49476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853152e2af5393ee9f65e8d2ab14bd4bd51bd68fa089497e449ed6858ec49476", kill_on_drop: false }`
[INFO] [stdout] 853152e2af5393ee9f65e8d2ab14bd4bd51bd68fa089497e449ed6858ec49476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f02f4332bd74d137289965c390a8b6b05a5d25e2d818d5699f651dbfe962ed38
[INFO] running `Command { std: "docker" "start" "-a" "f02f4332bd74d137289965c390a8b6b05a5d25e2d818d5699f651dbfe962ed38", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_error-cd6023543ad61d34)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test backtrace::tests::capture_empty ... ok
[INFO] [stdout] test backtrace::tests::capture_unsupported ... ok
[INFO] [stdout] test backtrace::tests::capture_supported ... 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/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 80) ... ok
[INFO] [stdout] test src/error.rs - error::ExtractSpanTrace::span_trace (line 259) ... ok
[INFO] [stdout] test src/lib.rs - (line 97) ... ok
[INFO] [stdout] test src/error.rs - error::InstrumentError::in_current_span (line 203) ... 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/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 0.73s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f02f4332bd74d137289965c390a8b6b05a5d25e2d818d5699f651dbfe962ed38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02f4332bd74d137289965c390a8b6b05a5d25e2d818d5699f651dbfe962ed38", kill_on_drop: false }`
[INFO] [stdout] f02f4332bd74d137289965c390a8b6b05a5d25e2d818d5699f651dbfe962ed38