[INFO] fetching crate varflags_attribute 0.2.2...
[INFO] testing varflags_attribute-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate varflags_attribute 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate varflags_attribute 0.2.2
[INFO] finished tweaking crates.io crate varflags_attribute 0.2.2
[INFO] tweaked toml for crates.io crate varflags_attribute 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate varflags_attribute 0.2.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitworks v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c717b3611626e60c18c0491201d0dff04750d020f1487473e199bd845e957600
[INFO] running `Command { std: "docker" "start" "-a" "c717b3611626e60c18c0491201d0dff04750d020f1487473e199bd845e957600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c717b3611626e60c18c0491201d0dff04750d020f1487473e199bd845e957600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c717b3611626e60c18c0491201d0dff04750d020f1487473e199bd845e957600", kill_on_drop: false }`
[INFO] [stdout] c717b3611626e60c18c0491201d0dff04750d020f1487473e199bd845e957600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa752756588c4cdf8cf2b8439b373f79d8eb969faf4c154c6b46af93a74b5de4
[INFO] running `Command { std: "docker" "start" "-a" "fa752756588c4cdf8cf2b8439b373f79d8eb969faf4c154c6b46af93a74b5de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitworks v0.2.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling varflags_attribute v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "fa752756588c4cdf8cf2b8439b373f79d8eb969faf4c154c6b46af93a74b5de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa752756588c4cdf8cf2b8439b373f79d8eb969faf4c154c6b46af93a74b5de4", kill_on_drop: false }`
[INFO] [stdout] fa752756588c4cdf8cf2b8439b373f79d8eb969faf4c154c6b46af93a74b5de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fd65bf8a47b0de8debb67c5d7134b8e8a736a7c89a5fb2f292f33db1df9a8e5
[INFO] running `Command { std: "docker" "start" "-a" "2fd65bf8a47b0de8debb67c5d7134b8e8a736a7c89a5fb2f292f33db1df9a8e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling varflags_attribute v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "2fd65bf8a47b0de8debb67c5d7134b8e8a736a7c89a5fb2f292f33db1df9a8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd65bf8a47b0de8debb67c5d7134b8e8a736a7c89a5fb2f292f33db1df9a8e5", kill_on_drop: false }`
[INFO] [stdout] 2fd65bf8a47b0de8debb67c5d7134b8e8a736a7c89a5fb2f292f33db1df9a8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99d37cf5f941604e5bfc3ea93fcc7d642bdc3f0dd72c2306b9b7f02f53e94708
[INFO] running `Command { std: "docker" "start" "-a" "99d37cf5f941604e5bfc3ea93fcc7d642bdc3f0dd72c2306b9b7f02f53e94708", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/varflags_attribute-eafdafee27aca6c2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests varflags_attribute
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99d37cf5f941604e5bfc3ea93fcc7d642bdc3f0dd72c2306b9b7f02f53e94708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d37cf5f941604e5bfc3ea93fcc7d642bdc3f0dd72c2306b9b7f02f53e94708", kill_on_drop: false }`
[INFO] [stdout] 99d37cf5f941604e5bfc3ea93fcc7d642bdc3f0dd72c2306b9b7f02f53e94708