[INFO] fetching crate syn_util 0.4.2...
[INFO] testing syn_util-0.4.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate syn_util 0.4.2 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate syn_util 0.4.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syn_util 0.4.2
[INFO] finished tweaking crates.io crate syn_util 0.4.2
[INFO] tweaked toml for crates.io crate syn_util 0.4.2 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e538fdd19f425e85078548151454add2b61d0fd0c754a102880d2e0a9d70a6b
[INFO] running `Command { std: "docker" "start" "-a" "2e538fdd19f425e85078548151454add2b61d0fd0c754a102880d2e0a9d70a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e538fdd19f425e85078548151454add2b61d0fd0c754a102880d2e0a9d70a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e538fdd19f425e85078548151454add2b61d0fd0c754a102880d2e0a9d70a6b", kill_on_drop: false }`
[INFO] [stdout] 2e538fdd19f425e85078548151454add2b61d0fd0c754a102880d2e0a9d70a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f45b52f8038578c0fb2026cd02669b70ed95b172f6a5c2773a2e5eb39d400173
[INFO] running `Command { std: "docker" "start" "-a" "f45b52f8038578c0fb2026cd02669b70ed95b172f6a5c2773a2e5eb39d400173", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling syn_util v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "f45b52f8038578c0fb2026cd02669b70ed95b172f6a5c2773a2e5eb39d400173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45b52f8038578c0fb2026cd02669b70ed95b172f6a5c2773a2e5eb39d400173", kill_on_drop: false }`
[INFO] [stdout] f45b52f8038578c0fb2026cd02669b70ed95b172f6a5c2773a2e5eb39d400173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a29ffc89f4adfb20dd7be5619c832476fd5679c9ac59e9384526bec68e52e587
[INFO] running `Command { std: "docker" "start" "-a" "a29ffc89f4adfb20dd7be5619c832476fd5679c9ac59e9384526bec68e52e587", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn_util v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "a29ffc89f4adfb20dd7be5619c832476fd5679c9ac59e9384526bec68e52e587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29ffc89f4adfb20dd7be5619c832476fd5679c9ac59e9384526bec68e52e587", kill_on_drop: false }`
[INFO] [stdout] a29ffc89f4adfb20dd7be5619c832476fd5679c9ac59e9384526bec68e52e587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70413ccb5d5d8045639f2ceb6b203d24d7044c73c53e7b4fa04a154b7407ecfe
[INFO] running `Command { std: "docker" "start" "-a" "70413ccb5d5d8045639f2ceb6b203d24d7044c73c53e7b4fa04a154b7407ecfe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syn_util-a84c201d47cfdca9)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test lit_cast::test::test_bool ... ok
[INFO] [stdout] test lit_cast::test::test_int ... ok
[INFO] [stdout] test lit_cast::test::test_float ... ok
[INFO] [stdout] test lit_cast::test::test_str ... ok
[INFO] [stdout] test test::test_get_attribute_map_impl ... ok
[INFO] [stdout] test test::test_get_attribute_value_impl ... ok
[INFO] [stdout] test test::test_get_attribute_value ... ok
[INFO] [stdout] test test::test_contains_attribute_impl ... ok
[INFO] [stdout] test test::test_get_attribute_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syn_util
[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" "70413ccb5d5d8045639f2ceb6b203d24d7044c73c53e7b4fa04a154b7407ecfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70413ccb5d5d8045639f2ceb6b203d24d7044c73c53e7b4fa04a154b7407ecfe", kill_on_drop: false }`
[INFO] [stdout] 70413ccb5d5d8045639f2ceb6b203d24d7044c73c53e7b4fa04a154b7407ecfe