[INFO] fetching crate syn-select 0.2.0...
[INFO] testing syn-select-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate syn-select 0.2.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate syn-select 0.2.0 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-select 0.2.0
[INFO] finished tweaking crates.io crate syn-select 0.2.0
[INFO] tweaked toml for crates.io crate syn-select 0.2.0 written to /workspace/builds/worker-20/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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 5fb38008548922c6ac6c8681dd494e5c919a9cbfbd6f13b66ccd073dce275d12
[INFO] running `Command { std: "docker" "start" "-a" "5fb38008548922c6ac6c8681dd494e5c919a9cbfbd6f13b66ccd073dce275d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fb38008548922c6ac6c8681dd494e5c919a9cbfbd6f13b66ccd073dce275d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb38008548922c6ac6c8681dd494e5c919a9cbfbd6f13b66ccd073dce275d12", kill_on_drop: false }`
[INFO] [stdout] 5fb38008548922c6ac6c8681dd494e5c919a9cbfbd6f13b66ccd073dce275d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 62ee9136f4120a56256041e34472b74f85f3384c6697f2908b4d7ebf3e8f89b9
[INFO] running `Command { std: "docker" "start" "-a" "62ee9136f4120a56256041e34472b74f85f3384c6697f2908b4d7ebf3e8f89b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn-select v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "62ee9136f4120a56256041e34472b74f85f3384c6697f2908b4d7ebf3e8f89b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ee9136f4120a56256041e34472b74f85f3384c6697f2908b4d7ebf3e8f89b9", kill_on_drop: false }`
[INFO] [stdout] 62ee9136f4120a56256041e34472b74f85f3384c6697f2908b4d7ebf3e8f89b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 461fea0349ab01ead822c3db139f136d54187934adbcf8b01cd93fb2ef6134a3
[INFO] running `Command { std: "docker" "start" "-a" "461fea0349ab01ead822c3db139f136d54187934adbcf8b01cd93fb2ef6134a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn-select v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "461fea0349ab01ead822c3db139f136d54187934adbcf8b01cd93fb2ef6134a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461fea0349ab01ead822c3db139f136d54187934adbcf8b01cd93fb2ef6134a3", kill_on_drop: false }`
[INFO] [stdout] 461fea0349ab01ead822c3db139f136d54187934adbcf8b01cd93fb2ef6134a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 07e868b250dfead4015451f3c55bfc32a79023e74631c0d5da95c2f61f65e9d7
[INFO] running `Command { std: "docker" "start" "-a" "07e868b250dfead4015451f3c55bfc32a79023e74631c0d5da95c2f61f65e9d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syn_select-35e01aab8255be49)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests syn-select
[INFO] [stdout] test tests::example_4 ... ok
[INFO] [stdout] test tests::example_3 ... ok
[INFO] [stdout] test tests::example_6 ... ok
[INFO] [stdout] test tests::example_1 ... ok
[INFO] [stdout] test tests::example_5 ... ok
[INFO] [stdout] test tests::example_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/selector.rs - selector::Selector::try_from (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07e868b250dfead4015451f3c55bfc32a79023e74631c0d5da95c2f61f65e9d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e868b250dfead4015451f3c55bfc32a79023e74631c0d5da95c2f61f65e9d7", kill_on_drop: false }`
[INFO] [stdout] 07e868b250dfead4015451f3c55bfc32a79023e74631c0d5da95c2f61f65e9d7