[INFO] fetching crate union_impl 0.1.3...
[INFO] testing union_impl-0.1.3 against 1.45.2 for beta-1.46-1
[INFO] extracting crate union_impl 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate union_impl 0.1.3 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate union_impl 0.1.3
[INFO] finished tweaking crates.io crate union_impl 0.1.3
[INFO] tweaked toml for crates.io crate union_impl 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 356fb75ec196bd5a5d49c2f5593cfecd66353d1d50633e0c912185c8cf6ededc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "356fb75ec196bd5a5d49c2f5593cfecd66353d1d50633e0c912185c8cf6ededc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "356fb75ec196bd5a5d49c2f5593cfecd66353d1d50633e0c912185c8cf6ededc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356fb75ec196bd5a5d49c2f5593cfecd66353d1d50633e0c912185c8cf6ededc", kill_on_drop: false }`
[INFO] [stdout] 356fb75ec196bd5a5d49c2f5593cfecd66353d1d50633e0c912185c8cf6ededc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bad35e71e7c4f529b47d4231a915412a28806b458cd23d91c52397a4e3397a2a
[INFO] running `Command { std: "docker" "start" "-a" "bad35e71e7c4f529b47d4231a915412a28806b458cd23d91c52397a4e3397a2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling union_impl v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.24s
[INFO] running `Command { std: "docker" "inspect" "bad35e71e7c4f529b47d4231a915412a28806b458cd23d91c52397a4e3397a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad35e71e7c4f529b47d4231a915412a28806b458cd23d91c52397a4e3397a2a", kill_on_drop: false }`
[INFO] [stdout] bad35e71e7c4f529b47d4231a915412a28806b458cd23d91c52397a4e3397a2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce65ac348527487a6a755f84f4ea789dae0df1d29ad9587a0b0a50d93894756d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce65ac348527487a6a755f84f4ea789dae0df1d29ad9587a0b0a50d93894756d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling union_impl v0.1.3
[INFO] [stderr]    Compiling union_export v0.1.3
[INFO] [stderr]    Compiling union v0.1.7
[INFO] [stderr]    Compiling union_impl v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.43s
[INFO] running `Command { std: "docker" "inspect" "ce65ac348527487a6a755f84f4ea789dae0df1d29ad9587a0b0a50d93894756d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce65ac348527487a6a755f84f4ea789dae0df1d29ad9587a0b0a50d93894756d", kill_on_drop: false }`
[INFO] [stdout] ce65ac348527487a6a755f84f4ea789dae0df1d29ad9587a0b0a50d93894756d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2c90a4d75314451f9478f3436d385a73f39ed27117f7c27de6424fbcf3ca699
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2c90a4d75314451f9478f3436d385a73f39ed27117f7c27de6424fbcf3ca699", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/union_impl-c4a9cf4c9e1453e6
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test expr_chain::expr_chain_with_default::tests::it_attempts_to_parse_empty_chain ... ok
[INFO] [stdout] test expr_chain::expr_chain_with_default::tests::it_parses_chain_from_initial_expr ... ok
[INFO] [stdout] test expr_chain::expr::process_expr::tests::it_tests_extract_expr_trait_impl_for_process_expr ... ok
[INFO] [stdout] test expr_chain::expr::process_expr::tests::it_tests_replace_expr_trait_impl_for_process_expr ... ok
[INFO] [stdout] test expr_chain::expr::action_expr::tests::it_tests_extract_expr_trait_impl_for_default_action_expr ... ok
[INFO] [stdout] test expr_chain::group::action_group::tests::it_tests_action_group_impl_default_expr ... ok
[INFO] [stdout] test expr_chain::expr_chain_with_default::tests::it_parses_chain_from_3_process_expr ... ok
[INFO] [stdout] test expr_chain::group::command_group::tests::it_tests_command_group_impl_process_expr ... ok
[INFO] [stdout] test expr_chain::expr_chain_with_default::tests::it_parses_chain_from_3_process_expr_and_1_default_expr ... ok
[INFO] [stdout] test expr_chain::group::group_determiner::tests::it_creates_comma_determiner ... ok
[INFO] [stdout] test expr_chain::expr::action_expr::tests::it_tests_extract_expr_trait_impl_for_process_action_expr ... ok
[INFO] [stdout] test expr_chain::group::command_group::tests::it_tests_command_group_impl_default_expr ... ok
[INFO] [stdout] test expr_chain::expr_chain_with_default::tests::it_parses_chain_with_all_possible_command_expressions ... ok
[INFO] [stdout] test expr_chain::expr::default_expr::tests::it_tests_to_tokens_trait_impl_for_default_expr ... ok
[INFO] [stdout] test expr_chain::group::group_determiner::tests::it_creates_then_determiner ... ok
[INFO] [stdout] test expr_chain::expr::default_expr::tests::it_tests_replace_expr_trait_impl_for_default_expr ... ok
[INFO] [stdout] test expr_chain::expr::default_expr::tests::it_tests_extract_expr_trait_impl_for_default_expr ... ok
[INFO] [stdout] test expr_chain::group::action_group::tests::it_tests_action_group_impl_process_expr ... ok
[INFO] [stdout] test expr_chain::expr_chain_with_default::tests::it_parses_chain_with_all_possible_deferred_command_expressions ... ok
[INFO] [stdout] test expr_chain::expr::process_expr::tests::it_tests_to_tokens_trait_impl_for_process_expr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests union_impl
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/union/name_constructors.rs - union::name_constructors::construct_thread_name (line 63) ... ok
[INFO] [stdout] test src/union/name_constructors.rs - union::name_constructors::construct_thread_name (line 81) ... ok
[INFO] [stdout] test src/expr_chain/group/group_determiner.rs - expr_chain::group::group_determiner::GroupDeterminer::new (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2c90a4d75314451f9478f3436d385a73f39ed27117f7c27de6424fbcf3ca699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c90a4d75314451f9478f3436d385a73f39ed27117f7c27de6424fbcf3ca699", kill_on_drop: false }`
[INFO] [stdout] e2c90a4d75314451f9478f3436d385a73f39ed27117f7c27de6424fbcf3ca699