[INFO] fetching crate sc-tracing 2.0.0-rc5...
[INFO] checking sc-tracing-2.0.0-rc5 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate sc-tracing 2.0.0-rc5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sc-tracing 2.0.0-rc5 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-tracing 2.0.0-rc5
[INFO] finished tweaking crates.io crate sc-tracing 2.0.0-rc5
[INFO] tweaked toml for crates.io crate sc-tracing 2.0.0-rc5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2a831ae62a129d5eb057924e85db5b7acf2b1f69936cfb9b2fcf7e410ee2fab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2a831ae62a129d5eb057924e85db5b7acf2b1f69936cfb9b2fcf7e410ee2fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2a831ae62a129d5eb057924e85db5b7acf2b1f69936cfb9b2fcf7e410ee2fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a831ae62a129d5eb057924e85db5b7acf2b1f69936cfb9b2fcf7e410ee2fab", kill_on_drop: false }`
[INFO] [stdout] b2a831ae62a129d5eb057924e85db5b7acf2b1f69936cfb9b2fcf7e410ee2fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0054968d941af2ec48a1da1fe05c38bc181ea49e9c672c8e38e30979ba6d13b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0054968d941af2ec48a1da1fe05c38bc181ea49e9c672c8e38e30979ba6d13b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-core v0.3.5
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[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking subtle v2.2.3
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[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
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[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking bs58 v0.3.1
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[INFO] [stderr]     Checking c_linked_list v1.1.1
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
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[INFO] [stderr]    Compiling indexmap v1.5.1
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[INFO] [stderr]     Checking parking_lot_core v0.7.2
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[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking parking_lot v0.10.2
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[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.10
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.17
[INFO] [stderr]    Compiling libp2p-core v0.20.1
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking sp-tracing v2.0.0-rc5
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking async-tls v0.8.0
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking soketto v0.4.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.4
[INFO] [stderr]     Checking parity-multiaddr v0.9.1
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking libp2p-swarm v0.20.1
[INFO] [stderr]     Checking libp2p-wasm-ext v0.20.1
[INFO] [stderr]     Checking libp2p-websocket v0.21.1
[INFO] [stderr]     Checking libp2p-dns v0.20.0
[INFO] [stderr]     Checking libp2p-tcp v0.20.0
[INFO] [stderr]     Checking libp2p v0.22.0
[INFO] [stderr]     Checking sc-telemetry v2.0.0-rc5
[INFO] [stderr]     Checking sc-tracing v2.0.0-rc5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tracing`
[INFO] [stdout]    --> src/lib.rs:431:14
[INFO] [stdout]     |
[INFO] [stdout] 431 |         let span = tracing::info_span!(target: "test_target", "test_span1");
[INFO] [stdout]     |                    ^^^^^^^ use of undeclared type or module `tracing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tracing`
[INFO] [stdout]    --> src/lib.rs:453:14
[INFO] [stdout]     |
[INFO] [stdout] 453 |         let span = tracing::info_span!(
[INFO] [stdout]     |                    ^^^^^^^ use of undeclared type or module `tracing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tracing`
[INFO] [stdout]    --> src/lib.rs:430:20
[INFO] [stdout]     |
[INFO] [stdout] 430 |         let _sub_guard = tracing::subscriber::set_default(sub);
[INFO] [stdout]     |                          ^^^^^^^ use of undeclared type or module `tracing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tracing`
[INFO] [stdout]    --> src/lib.rs:448:20
[INFO] [stdout]     |
[INFO] [stdout] 448 |         let _sub_guard = tracing::subscriber::set_default(sub);
[INFO] [stdout]     |                          ^^^^^^^ use of undeclared type or module `tracing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sc-tracing`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0054968d941af2ec48a1da1fe05c38bc181ea49e9c672c8e38e30979ba6d13b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0054968d941af2ec48a1da1fe05c38bc181ea49e9c672c8e38e30979ba6d13b3", kill_on_drop: false }`
[INFO] [stdout] 0054968d941af2ec48a1da1fe05c38bc181ea49e9c672c8e38e30979ba6d13b3