[INFO] fetching crate tracing-attributes 0.1.15...
[INFO] testing tracing-attributes-0.1.15 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tracing-attributes 0.1.15 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate tracing-attributes 0.1.15 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-attributes 0.1.15
[INFO] finished tweaking crates.io crate tracing-attributes 0.1.15
[INFO] tweaked toml for crates.io crate tracing-attributes 0.1.15 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 626f8cc99e2cd5e112bbee83d3b607470376412564350365e6feaa30bb83bc46
[INFO] running `Command { std: "docker" "start" "-a" "626f8cc99e2cd5e112bbee83d3b607470376412564350365e6feaa30bb83bc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "626f8cc99e2cd5e112bbee83d3b607470376412564350365e6feaa30bb83bc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626f8cc99e2cd5e112bbee83d3b607470376412564350365e6feaa30bb83bc46", kill_on_drop: false }`
[INFO] [stdout] 626f8cc99e2cd5e112bbee83d3b607470376412564350365e6feaa30bb83bc46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0922ab178df48900efe5c5ded1e5f24449cf3fd82de9618f5001b9aff0a6e5e
[INFO] running `Command { std: "docker" "start" "-a" "a0922ab178df48900efe5c5ded1e5f24449cf3fd82de9618f5001b9aff0a6e5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-attributes v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "a0922ab178df48900efe5c5ded1e5f24449cf3fd82de9618f5001b9aff0a6e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0922ab178df48900efe5c5ded1e5f24449cf3fd82de9618f5001b9aff0a6e5e", kill_on_drop: false }`
[INFO] [stdout] a0922ab178df48900efe5c5ded1e5f24449cf3fd82de9618f5001b9aff0a6e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3636ab1f0f49fa5cef2d8f3e873da1fd43c9c86f406bf61e291be1084e12c24a
[INFO] running `Command { std: "docker" "start" "-a" "3636ab1f0f49fa5cef2d8f3e873da1fd43c9c86f406bf61e291be1084e12c24a", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/support.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod support;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read tests/../../tracing-futures/tests/support.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/async_fn.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod support;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-attributes` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/support.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod support;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/support.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod support;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/support.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod support;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read tests/../../tracing-futures/tests/support.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/err.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod support;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/support.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod support;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/support.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod support;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/support.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod support;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3636ab1f0f49fa5cef2d8f3e873da1fd43c9c86f406bf61e291be1084e12c24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3636ab1f0f49fa5cef2d8f3e873da1fd43c9c86f406bf61e291be1084e12c24a", kill_on_drop: false }`
[INFO] [stdout] 3636ab1f0f49fa5cef2d8f3e873da1fd43c9c86f406bf61e291be1084e12c24a