[INFO] fetching crate arctk-attr 0.3.1...
[INFO] testing arctk-attr-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate arctk-attr 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arctk-attr 0.3.1 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 arctk-attr 0.3.1
[INFO] finished tweaking crates.io crate arctk-attr 0.3.1
[INFO] tweaked toml for crates.io crate arctk-attr 0.3.1 written to /workspace/builds/worker-6/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a0377fc71f8e1302461bdb493a2acb7f4f0a0c629c545499bd21cdfe0a52a562
[INFO] running `Command { std: "docker" "start" "-a" "a0377fc71f8e1302461bdb493a2acb7f4f0a0c629c545499bd21cdfe0a52a562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0377fc71f8e1302461bdb493a2acb7f4f0a0c629c545499bd21cdfe0a52a562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0377fc71f8e1302461bdb493a2acb7f4f0a0c629c545499bd21cdfe0a52a562", kill_on_drop: false }`
[INFO] [stdout] a0377fc71f8e1302461bdb493a2acb7f4f0a0c629c545499bd21cdfe0a52a562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a89d8e9c19dd18999f1659d544bfa70dd456a0c62f393c22b0aa711ceb6d24d3
[INFO] running `Command { std: "docker" "start" "-a" "a89d8e9c19dd18999f1659d544bfa70dd456a0c62f393c22b0aa711ceb6d24d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling arctk-attr v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "a89d8e9c19dd18999f1659d544bfa70dd456a0c62f393c22b0aa711ceb6d24d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89d8e9c19dd18999f1659d544bfa70dd456a0c62f393c22b0aa711ceb6d24d3", kill_on_drop: false }`
[INFO] [stdout] a89d8e9c19dd18999f1659d544bfa70dd456a0c62f393c22b0aa711ceb6d24d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a49607293eee2025ccf0a3894b022448f51d38bab6209b51d8ce427f37247d3a
[INFO] running `Command { std: "docker" "start" "-a" "a49607293eee2025ccf0a3894b022448f51d38bab6209b51d8ce427f37247d3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling arctk-attr v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "a49607293eee2025ccf0a3894b022448f51d38bab6209b51d8ce427f37247d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49607293eee2025ccf0a3894b022448f51d38bab6209b51d8ce427f37247d3a", kill_on_drop: false }`
[INFO] [stdout] a49607293eee2025ccf0a3894b022448f51d38bab6209b51d8ce427f37247d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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", kill_on_drop: false }`
[INFO] [stdout] a6765a181d84a3d64198363f674c1ed455ea1368738ef615e0f5b8d9d015db0b
[INFO] running `Command { std: "docker" "start" "-a" "a6765a181d84a3d64198363f674c1ed455ea1368738ef615e0f5b8d9d015db0b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arctk_attr-ff9ff9526e040ca6)
[INFO] [stderr]    Doc-tests arctk-attr
[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" "a6765a181d84a3d64198363f674c1ed455ea1368738ef615e0f5b8d9d015db0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6765a181d84a3d64198363f674c1ed455ea1368738ef615e0f5b8d9d015db0b", kill_on_drop: false }`
[INFO] [stdout] a6765a181d84a3d64198363f674c1ed455ea1368738ef615e0f5b8d9d015db0b